Cellular proteins and peptides that are induced in response to cold stress. They are found in a broad variety of prokaryotic and eukaryotic organisms.
An absence of warmth or heat or a temperature notably below an accustomed norm.
Proteins which are synthesized in eukaryotic organisms and bacteria in response to hyperthermia and other environmental stresses. They increase thermal tolerance and perform functions essential to cell survival under these conditions.
Proteins found in any species of bacterium.
Members of the class of compounds composed of AMINO ACIDS joined together by peptide bonds between adjacent amino acids into linear, branched or cyclical structures. OLIGOPEPTIDES are composed of approximately 2-12 amino acids. Polypeptides are composed of approximately 13 or more amino acids. PROTEINS are linear polypeptides that are normally synthesized on RIBOSOMES.
Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.
Any of the processes by which cytoplasmic or intercellular factors influence the differential control of gene action in bacteria.
A rod-shaped bacterium surrounded by a sheath-like structure which protrudes balloon-like beyond the ends of the cell. It is thermophilic, with growth occurring at temperatures as high as 90 degrees C. It is isolated from geothermally heated marine sediments or hot springs. (From Bergey's Manual of Determinative Bacteriology, 9th ed)
The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION.
Liquids transforming into solids by the removal of heat.
A class of MOLECULAR CHAPERONES found in both prokaryotes and in several compartments of eukaryotic cells. These proteins can interact with polypeptides during a variety of assembly processes in such a way as to prevent the formation of nonfunctional structures.
A species of gram-negative, facultatively anaerobic, rod-shaped bacteria (GRAM-NEGATIVE FACULTATIVELY ANAEROBIC RODS) commonly found in the lower part of the intestine of warm-blooded animals. It is usually nonpathogenic, but some strains are known to produce DIARRHEA and pyogenic infections. Pathogenic strains (virotypes) are classified by their specific pathogenic mechanisms such as toxins (ENTEROTOXIGENIC ESCHERICHIA COLI), etc.
A species of gram-positive bacteria that is a common soil and water saprophyte.
The property of objects that determines the direction of heat flow when they are placed in direct thermal contact. The temperature is the energy of microscopic motions (vibrational and translational) of the particles of atoms.
The sequence of PURINES and PYRIMIDINES in nucleic acids and polynucleotides. It is also called nucleotide sequence.
Proteins obtained from ESCHERICHIA COLI.
A constellation of responses that occur when an organism is exposed to excessive cold. In humans, a fall in skin temperature triggers gasping, hypertension, and hyperventilation.
Sepsis associated with HYPOTENSION or hypoperfusion despite adequate fluid resuscitation. Perfusion abnormalities may include, but are not limited to LACTIC ACIDOSIS; OLIGURIA; or acute alteration in mental status.
The non-genetic biological changes of an organism in response to challenges in its ENVIRONMENT.
Processes involved in the formation of TERTIARY PROTEIN STRUCTURE.
A pathological condition manifested by failure to perfuse or oxygenate vital organs.
A class of MOLECULAR CHAPERONES whose members act in the mechanism of SIGNAL TRANSDUCTION by STEROID RECEPTORS.
Ribonucleic acid in bacteria having regulatory and catalytic roles as well as involvement in protein synthesis.
The degree of similarity between sequences of amino acids. This information is useful for the analyzing genetic relatedness of proteins and species.
A constellation of responses that occur when an organism is exposed to excessive heat. Responses include synthesis of new proteins and regulation of others.
A subfamily of small heat-shock proteins that function as molecular chaperones that aid in refolding of non-native proteins. They play a protective role that increases cellular survival during times of stress.
Proteins that bind to RNA molecules. Included here are RIBONUCLEOPROTEINS and other proteins whose function is to bind specifically to RNA.
Presence of warmth or heat or a temperature notably higher than an accustomed norm.
A group I chaperonin protein that forms the barrel-like structure of the chaperonin complex. It is an oligomeric protein with a distinctive structure of fourteen subunits, arranged in two rings of seven subunits each. The protein was originally studied in BACTERIA where it is commonly referred to as GroEL protein.
Models used experimentally or theoretically to study molecular shape, electronic properties, or interactions; includes analogous molecules, computer-generated graphics, and mechanical structures.
The characteristic 3-dimensional shape of a protein, including the secondary, supersecondary (motifs), tertiary (domains) and quaternary structure of the peptide chain. PROTEIN STRUCTURE, QUATERNARY describes the conformation assumed by multimeric proteins (aggregates of more than one polypeptide chain).
Transport proteins that carry specific substances in the blood or across cell membranes.
The level of protein structure in which regular hydrogen-bond interactions within contiguous stretches of polypeptide chain give rise to alpha helices, beta strands (which align to form beta sheets) or other types of coils. This is the first folding level of protein conformation.
Partial proteins formed by partial hydrolysis of complete proteins or generated through PROTEIN ENGINEERING techniques.
Stress-inducible members of the heat-shock proteins 70 family. HSP72 heat shock proteins function with other MOLECULAR CHAPERONES to mediate PROTEIN FOLDING and to stabilize pre-existent proteins against aggregation.
Acute hemorrhage or excessive fluid loss resulting in HYPOVOLEMIA.
A catarrhal disorder of the upper respiratory tract, which may be viral or a mixed infection. It generally involves a runny nose, nasal congestion, and sneezing.
A collection of cloned peptides, or chemically synthesized peptides, frequently consisting of all possible combinations of amino acids making up an n-amino acid peptide.
LACTAMS forming compounds with a ring size of approximately 1-3 dozen atoms.
Benzene rings which contain two ketone moieties in any position. They can be substituted in any position except at the ketone groups.
A family of cellular proteins that mediate the correct assembly or disassembly of polypeptides and their associated ligands. Although they take part in the assembly process, molecular chaperones are not components of the final structures.
Small cationic peptides that are an important component, in most species, of early innate and induced defenses against invading microbes. In animals they are found on mucosal surfaces, within phagocytic granules, and on the surface of the body. They are also found in insects and plants. Among others, this group includes the DEFENSINS, protegrins, tachyplesins, and thionins. They displace DIVALENT CATIONS from phosphate groups of MEMBRANE LIPIDS leading to disruption of the membrane.
A family of low molecular weight heat-shock proteins that can serve as MOLECULAR CHAPERONES.
Adaptation to a new environment or to a change in the old.
Peptides whose amino and carboxy ends are linked together with a peptide bond forming a circular chain. Some of them are ANTI-INFECTIVE AGENTS. Some of them are biosynthesized non-ribosomally (PEPTIDE BIOSYNTHESIS, NON-RIBOSOMAL).
The process in which substances, either endogenous or exogenous, bind to proteins, peptides, enzymes, protein precursors, or allied compounds. Specific protein-binding measures are often used as assays in diagnostic assessments.
A genus of cone-nosed bugs of the subfamily TRIATOMINAE. Its species are vectors of TRYPANOSOMA CRUZI.
RNA sequences that serve as templates for protein synthesis. Bacterial mRNAs are generally primary transcripts in that they do not require post-transcriptional processing. Eukaryotic mRNA is synthesized in the nucleus and must be exported to the cytoplasm for translation. Most eukaryotic mRNAs have a sequence of polyadenylic acid at the 3' end, referred to as the poly(A) tail. The function of this tail is not known for certain, but it may play a role in the export of mature mRNA from the nucleus as well as in helping stabilize some mRNA molecules by retarding their degradation in the cytoplasm.
Analysis of PEPTIDES that are generated from the digestion or fragmentation of a protein or mixture of PROTEINS, by ELECTROPHORESIS; CHROMATOGRAPHY; or MASS SPECTROMETRY. The resulting peptide fingerprints are analyzed for a variety of purposes including the identification of the proteins in a sample, GENETIC POLYMORPHISMS, patterns of gene expression, and patterns diagnostic for diseases.
Peptides composed of between two and twelve amino acids.
The insertion of recombinant DNA molecules from prokaryotic and/or eukaryotic sources into a replicating vehicle, such as a plasmid or virus vector, and the introduction of the resultant hybrid molecules into recipient cells without altering the viability of those cells.
A family of multisubunit protein complexes that form into large cylindrical structures which bind to and encapsulate non-native proteins. Chaperonins utilize the energy of ATP hydrolysis to enhance the efficiency of PROTEIN FOLDING reactions and thereby help proteins reach their functional conformation. The family of chaperonins is split into GROUP I CHAPERONINS, and GROUP II CHAPERONINS, with each group having its own repertoire of protein subunits and subcellular preferences.
Electrophoresis in which a second perpendicular electrophoretic transport is performed on the separate components resulting from the first electrophoresis. This technique is usually performed on polyacrylamide gels.
The biosynthesis of RNA carried out on a template of DNA. The biosynthesis of DNA from an RNA template is called REVERSE TRANSCRIPTION.
The rate dynamics in chemical or physical systems.
A constitutively expressed subfamily of the HSP70 heat-shock proteins. They preferentially bind and release hydrophobic peptides by an ATP-dependent process and are involved in post-translational PROTEIN TRANSLOCATION.
Shock resulting from diminution of cardiac output in heart disease.
The unfavorable effect of environmental factors (stressors) on the physiological functions of an organism. Prolonged unresolved physiological stress can affect HOMEOSTASIS of the organism, and may lead to damaging or pathological conditions.
Established cell cultures that have the potential to propagate indefinitely.

A segment of cold shock protein directs the folding of a combinatorial protein. (1/35)

It has been suggested that protein domains evolved by the non-homologous recombination of building blocks of subdomain size. In earlier work we attempted to recapitulate domain evolution in vitro. We took a polypeptide segment comprising three beta-strands in the monomeric, five-stranded beta-barrel cold shock protein (CspA) of Escherichia coli as a building block. This segment corresponds to a complete exon in homologous eukaryotic proteins and includes residues that nucleate folding in CspA. We recombined this segment at random with fragments of natural proteins and succeeded in generating a range of folded chimaeric proteins. We now present the crystal structure of one such combinatorial protein, 1b11, a 103-residue polypeptide that includes segments from CspA and the S1 domain of the 30S ribosomal subunit of E. coli. The structure reveals a segment-swapped, six-stranded beta-barrel of unique architecture that assembles to a tetramer. Surprisingly, the CspA segment retains its structural identity in 1b11, recapitulating its original fold and deforming the structure of the S1 segment as necessary to complete a barrel. Our work provides structural evidence that (i) random shuffling of nonhomologous polypeptide segments can lead to folded proteins and unique architectures, (ii) many structural features of the segments are retained, and (iii) some segments can act as templates around which the rest of the protein folds.  (+info)

Gene expression regulation by the Curli activator CsgD protein: modulation of cellulose biosynthesis and control of negative determinants for microbial adhesion. (2/35)

Curli fibers, encoded by the csgBAC genes, promote biofilm formation in Escherichia coli and other enterobacteria. Curli production is dependent on the CsgD transcription activator, which also promotes cellulose biosynthesis. In this study, we investigated the effects of CsgD expression from a weak constitutive promoter in the biofilm formation-deficient PHL565 strain of E. coli. We found that despite its function as a transcription activator, the CsgD protein is localized in the cytoplasmic membrane. Constitutive CsgD expression promotes biofilm formation by PHL565 and activates transcription from the csgBAC promoter; however, csgBAC expression remains dependent on temperature and the growth medium. Constitutive expression of the CsgD protein results in altered transcription patterns for at least 24 novel genes, in addition to the previously identified CsgD-dependent genes. The cspA and fecR genes, encoding regulatory proteins responding to cold shock and to iron, respectively, and yoaD, encoding a putative negative regulator of cellulose biosynthesis, were found to be some of the novel CsgD-regulated genes. Consistent with the predicted functional role, increased expression of the yoaD gene negatively affects cell aggregation, while yoaD inactivation results in stimulation of cell aggregation and leads to increased cellulose production. Inactivation of fecR results in significant increases in both cell aggregation and biofilm formation, while the effects of cspA are not as strong in the conditions tested. Our results indicate that CsgD can modulate cellulose biosynthesis through activation of the yoaD gene. In addition, the positive effect of CsgD on biofilm formation might be enhanced by repression of the fecR gene.  (+info)

Control and regulation of the cellular responses to cold shock: the responses in yeast and mammalian systems. (3/35)

Although the cold-shock response has now been studied in a number of different organisms for several decades, it is only in the last few years that we have begun to understand the molecular mechanisms that govern adaptation to cold stress. Notably, all organisms from prokaryotes to plants and higher eukaryotes respond to cold shock in a comparatively similar manner. The general response of cells to cold stress is the elite and rapid overexpression of a small group of proteins, the so-called CSPs (cold-shock proteins). The most well characterized CSP is CspA, the major CSP expressed in Escherichia coli upon temperature downshift. More recently, a number of reports have shown that exposing yeast or mammalian cells to sub-physiological temperatures (<30 or <37 degrees C respectively) invokes a co-ordinated cellular response involving modulation of transcription, translation, metabolism, the cell cycle and the cell cytoskeleton. In the present review, we summarize the regulation and role of cold-shock genes and proteins in the adaptive response upon decreased temperature with particular reference to yeast and in vitro cultured mammalian cells. Finally, we present an integrated model for the co-ordinated responses required to maintain the viability and integrity of mammalian cells upon mild hypothermic cold shock.  (+info)

Global effects of homocysteine on transcription in Escherichia coli: induction of the gene for the major cold-shock protein, CspA. (4/35)

Homocysteine (Hcy) is a thiol-containing amino acid that is considered to be medically important because it is linked to the development of several life-threatening diseases in humans, including cardiovascular disease and stroke. It inhibits the growth of Escherichia coli when supplied in the growth medium. Growth inhibition is believed to arise as a result of partial starvation for isoleucine, which occurs because Hcy perturbs the biosynthesis of this amino acid. This study attempted to further elucidate the inhibitory mode of action of Hcy by examining the impact of exogenously supplied Hcy on the transcriptome. Using gene macroarrays the transcript levels corresponding to 68 genes were found to be reproducibly altered in the presence of 0.5 mM Hcy. Of these genes, the biggest functional groups affected were those involved in translation (25 genes) and in amino acid metabolism (19 genes). Genes involved in protection against oxidative stress were repressed in Hcy-treated cells and this correlated with a decrease in catalase activity. The gene showing the strongest induction by Hcy was cspA, which encodes the major cold-shock protein CspA. RT-PCR and reporter fusion experiments confirmed that cspA was induced by Hcy. Induction of cspA by Hcy was not caused by nutritional upshift, a stimulus known to induce CspA expression, nor was it dependent on the presence of a functional CspA protein. The induction of cspA by Hcy was suppressed when isoleucine was included in the growth medium. These data suggest that the induction of CspA expression in the presence of Hcy occurs because of a limitation for isoleucine. The possibility that Hcy-induced cspA expression is triggered by translational stalling that occurs when the cells are limited for isoleucine is discussed.  (+info)

Cold shock domain proteins and glycine-rich RNA-binding proteins from Arabidopsis thaliana can promote the cold adaptation process in Escherichia coli. (5/35)

Despite the fact that cold shock domain proteins (CSDPs) and glycine-rich RNA-binding proteins (GRPs) have been implicated to play a role during the cold adaptation process, their importance and function in eukaryotes, including plants, are largely unknown. To understand the functional role of plant CSDPs and GRPs in the cold response, two CSDPs (CSDP1 and CSDP2) and three GRPs (GRP2, GRP4 and GRP7) from Arabidopsis thaliana were investigated. Heterologous expression of CSDP1 or GRP7 complemented the cold sensitivity of BX04 mutant Escherichia coli that lack four cold shock proteins (CSPs) and is highly sensitive to cold stress, and resulted in better survival rate than control cells during incubation at low temperature. In contrast, CSDP2 and GRP4 had very little ability. Selective evolution of ligand by exponential enrichment (SELEX) revealed that GRP7 does not recognize specific RNAs but binds preferentially to G-rich RNA sequences. CSDP1 and GRP7 had DNA melting activity, and enhanced RNase activity. In contrast, CSDP2 and GRP4 had no DNA melting activity and did not enhance RNAase activity. Together, these results indicate that CSDPs and GRPs help E.coli grow and survive better during cold shock, and strongly imply that CSDP1 and GRP7 exhibit RNA chaperone activity during the cold adaptation process.  (+info)

Bacterial toxicity of potassium tellurite: unveiling an ancient enigma. (6/35)

Biochemical, genetic, enzymatic and molecular approaches were used to demonstrate, for the first time, that tellurite (TeO(3) (2-)) toxicity in E. coli involves superoxide formation. This radical is derived, at least in part, from enzymatic TeO(3) (2-) reduction. This conclusion is supported by the following observations made in K(2)TeO(3)-treated E. coli BW25113: i) induction of the ibpA gene encoding for the small heat shock protein IbpA, which has been associated with resistance to superoxide, ii) increase of cytoplasmic reactive oxygen species (ROS) as determined with ROS-specific probe 2'7'-dichlorodihydrofluorescein diacetate (H(2)DCFDA), iii) increase of carbonyl content in cellular proteins, iv) increase in the generation of thiobarbituric acid-reactive substances (TBARs), v) inactivation of oxidative stress-sensitive [Fe-S] enzymes such as aconitase, vi) increase of superoxide dismutase (SOD) activity, vii) increase of sodA, sodB and soxS mRNA transcription, and viii) generation of superoxide radical during in vitro enzymatic reduction of potassium tellurite.  (+info)

Role of RNA structure and susceptibility to RNase E in regulation of a cold shock mRNA, cspA mRNA. (7/35)

Degradation of the cspA mRNA in vivo is very rapid at temperatures greater than 30 degrees C and is moderately dependent on RNase E. Investigations in vitro show that degradosomes prepared from normal or cold-shocked cultures cleave the cspA mRNA preferentially at a single site in vitro between two stem-loops approximately 24 residues 3' to the termination codon and approximately 31 residues from the 3' end. The site of cleavage is independent of the temperature and largely independent of the phosphorylation status of the 5' end of cspA mRNA. A 5' stem-loop, potential occlusion of the initiation and termination codons, temperature-dependent translational efficiency, and the position of the RNase E cleavage site can explain the differential stability of the cspA mRNA.  (+info)

Dimorphic aggregation behavior of a fusion polypeptide incorporating a stable protein domain (EGFP) with an amyloidogenic sequence (retroCspA). (8/35)

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The cold shock domain (CSD) is a nucleic acid binding domain that is widely conserved from bacteria to higher plants and animals. In Escherichia coli, cold shock proteins (CSPs) are composed solely of a CSD and function as RNA chaperones that destabilize RNA secondary structures. Cellular RNAs tend to be folded into unfavorable structures under low temperature conditions, and RNA chaperones resolve these structures, recovering functionality of the RNAs. CSP functions are associated mainly with cold adaptation, but they are also involved in other biological processes under normal growth conditions. Eukaryotic CSD proteins contain auxiliary domains in addition to the CSD and regulate many biological processes such as development and stress tolerance. In plants, it has been demonstrated that CSD proteins play essential roles in acquiring freezing tolerance. In addition, it has been suggested that some plant CSD proteins regulate embryo development, flowering time, and fruit development. In this review, we
RNA can typically fold into several isoenergetic structures, giving place to misfolded and non-functional structures. It is known that proteins can assist in RNA folding by two different mechanisms: binding and stabilizing specific structures, or by what is called RNA chaperone activity (RCA), an activity that accelerates folding through the resolution of misfolded structures or inhibition of their formation. Therefore one goal is to gain insight into RNA chaperone function on an atomic level. We use CspA as a model of RNA chaperone. CspA is the major cold shock protein in E. coli. It is a 70 residues protein that serves to induce adaptation to cold shock conditions (10-15°). Previous studies in our group on CspA dynamics showed that the protein is 1% unfolded at 32°C (M. Tollinger, unpublished results), it has single-stranded nucleic acid binding capacity. It is supposed to act as transcriptional anti-terminator for cold shock genes. We have already determined the solution structure of CspA ...
MON 87460 contains a gene that expresses cold shock protein B (CSPB) from Bacillus subtilis. Expression of this gene confers a yield advantage when yield is limited by water availability. Compositional analyses of MON 87460 and a conventional corn variety with similar background genetics were conduc …
SWISS-MODEL Repository entry for A0R5E1 (CSPA_MYCS2), Probable cold shock protein A. Mycolicibacterium smegmatis (strain ATCC 700084 / mc(2)155) (Mycobacteriumsmegmatis)
The p-value tells us whether or not a genes expression changes significantly but it is hard to know if that was due to cold shock or any other factor. The p-value of the profile gives us the significance of a particular group of genes, which should give us a better idea of which group of genes responded to cold shock, and get rid of some the possible random genes that were changed. The gene ontology p-value furthers specifies which gene could be affected by cold shock together by grouping the genes with their specific transcription factors. Each p-value allows us to narrow in on genes that are related to each other and helps to identify which genes were changed significantly, specifically due to cold shock ...
CSDE1 antibody [N2C1], Internal (cold shock domain containing E1, RNA-binding) for ICC/IF, IHC-P, WB. Anti-CSDE1 pAb (GTX116218) is tested in Human samples. 100% Ab-Assurance.
Pseudomonas fluorescens is a specific spoilage microorganism of refrigerated marine fish, and is highly adapted to low temperature. Cold shock proteins (CSPs) play an important role in cold adaptation of bacteria. In this study, CSP genes were identified from the genome of P. fluorescens PF08 by search of the conserved domain of CSPs with HMMER software, and the CSP physicochemical properties, structures, and functions were analyzed through bioinformatics. Five typical CSPs were identified in the P. fluorescens PF08 genome (PfCSPs). All five PfCSPs are small hydrophilic acidic proteins with a molecular mass of ca. 7.4 kDa. They are located in the cytoplasm and are nonsecretory and nontransmembrane proteins. Multiple sequence alignment analysis indicated that the CSPs are highly conserved between species, especially in DNA-binding sites and RNA-binding motifs that can bind to single-stranded DNA and RNA. The five PfCSPs clustered with CspD from Escherichia coli and Salmonella Typhimurium, which ...
Cold shock proteins (Csps) are multifunctional nucleic acid binding proteins used to regulate a wide range of gene expression responses in bacteria. We report here that Csps regulate the production of the pore-forming cytolysin listeriolysin (LLO) and hemolysis phenotypes in Listeria monocytogenes. A triple csp gene deletion mutant incapable of producing any Csps, as well as double csp gene deletion mutants only producing either CspA or CspD, caused less hemolysis and produced lower LLO concentration. On the other hand, another double csp gene deletion mutant that produces CspB retained hemolysis and LLO production levels that are similar to the parental wild-type strain. Transcription analysis showed that in absence of all three csp genes or cspB alone, L. monocytogenes cells have decreased levels of hly gene transcripts, which code for the synthesis of LLO proteins. A comparative examination of mRNA stability showed that hly transcripts were more rapidly degraded in L. monocytogenes triple csp ...
The expression of genes for cold-shock proteins is proposed to be regulated primarily at the post-transcriptional level by increase of mRNA stability after transition to low temperatures. Destabilization of the Escherichia coli cold-induced cspA transcript at 37 °C as well as stabilization upon cold shock is known to depend on the unusually long (159 nt) 5′-untranslated region. Determination of the cspA mRNA 5′-end from Rhodobacter capsulatus revealed a shorter distance between the start of transcription and the start codon for translation. The cspA mRNA of R. capsulatus was shown to be stabilized at low temperatures to a greater extent than other investigated transcripts. To address the mechanism of decay of the cspA transcript, it was incubated with purified degradosome of R. capsulatus. Endoribonucleolytic in vitro cleavage in the 5′-untranslated region as reported for the cspA transcript of E. coli in vivo was not observed. Instead, the data indicated that the cspA mRNA decay in R. capsulatus
This 20-page report explains how cold shock is a type of hormesis, which is a description of a type of stress that, in the right doses, is enough to shock the body and kick off adaptive processes and response mechanisms that are hardwired into our genes, and, once on, are able to create a resilience that actually exceeds what was needed to counter the initial stimuli. Rhonda discusses how cold exposure increases norepinephrine up to 5-fold in the brain and what the temperature and duration needed to do this are, how norepinephrine has an effect on mood, vigilance, focus, and attention, how cold exposure increases cold shock proteins including one in the brain that repairs damaged synapses and in muscle prevents atrophy, how cold-induced norepinephrine lowers inflammation and pain by decreasing the levels of 3 inflammatory mediators, how chronic cold shock may increase immune cell numbers and particularly a type of immune cell that kills cancer cells, how cold exposure increases metabolic rate, ...
Cold shock of JH642 cells in the absence of an isoleucine supply showed a decrease in viable cell number that corresponds to the decrease in OD. These cultures show an increasing absorption after more than 48 h of cold shock, with a concomitant increase in cell number (data not shown). Repeating cold shock with these cultures (i.e., diluting the cells in fresh medium, growing them at 37°C, and performing a new cold shock experiment) revealed the same growth pattern as seen before with a cold-sensitive phenotype (data not shown). Therefore the occurrence of spontaneous mutation as a putative reason for this phenomenon is not likely. As the decrease in OD and viable cell number after 18 h of cold shock indicate, a large number of cells might lyse, delivering a reasonable amount of free isoleucine and threonine into the medium that is beneficial for viable cells to adapt and restart slow growth. This scenario was corroborated by a fatty acid analysis, where these cell cultures revealed a fatty ...
Csp family proteins have previously been linked to regulation of both normal growth and stress adaptation processes against cold and nutrient starvation as well as to promotion of survival stationary-phase cells in some organisms (13-15, 41, 42). In cold-adapted L. monocytogenes cells, the induction of Csp-like proteins, as well as cspA gene transcripts, was previously documented (5, 40). The current study was conducted in order to expand this knowledge and to explore the Csps contribution in other stress responses of this organism. In contrast to B. subtilis, in which at least one csp gene is essential for viability (14), none of the three csp genes is essential for L. monocytogenes viability. In fact, a mutant carrying deletions of all three csp genes could be generated without any discernable defects in the growth phenotype at 37°C, even under the defined minimal nutrient conditions of DM. It thus appears that functions encoded by the L. monocytogenes Csp genes are not critical requirements ...
110125DNAArtificial SequenceSynthetic primer for PCR to amplify of p53 gene 1ttgtttatgg tgtgaggtgt aggag 25225DNAArtificial SequenceSynthetic primer for PCR to amplify of p53 gene 2ctagtttgct aggaggttgg ttggt 25325DNAArtificial SequenceSynthetic primer for PCR to amplify of TP53 gene 3gcagtggctc acgaatccca cactc 25425DNAArtificial SequenceSynthetic primer for PCR to amplify of TP53 gene 4tgagtcaggc ccttctgtct tgaac 25525DNAArtificial SequenceSynthetic primer for PCR to amplify of Bc12 gene 5atggcgcacg ctgggagaac agggt 25625DNAArtificial SequenceSynthetic primer for PCR to amplify of Bc12 gene 6acctacccag cctccgttat cctgg 25725DNAArtificial SequenceSynthetic primer for PCR to amplify of EGFR gene 7ttcctttcat gctctcttcc ccagg 25825DNAArtificial SequenceSynthetic primer for PCR to amplify of EGFR gene 8ggctacggcg gtgtaggaga tgcca 25925DNAArtificial SequenceSynthetic primer for PCR to amplify of CDK9 gene 9cccaggtgtg gccaaacgtg gacaa 251025DNAArtificial SequenceSynthetic primer for PCR to amplify of ...
DNA binding protein A (dbpA) belongs to the Y-box binding protein family, characterized by an 80 amino-acid cold shock domain that imparts DNA-binding activity. It is also known as cold shock domain protein A (CSDA), CSDA1, ZO-1-associated nucleic acid-binding protein (ZONAB), and single-strand DNA-binding protein NF-GMB. DbpA has been reported to bind to the promoter for granulocyte-macrophage colony-stimulating factor (GM-CSF) and act as a repressor of transcription. It also binds to full-length mRNA and small RNAs containing the consensus site UCCAUCA, suggesting a role as a repressor of translation. Mutations in the CSDA gene have been associated with hepatocarcinogenesis.. ...
DNA binding protein A (dbpA) belongs to the Y-box binding protein family, characterized by an 80 amino-acid cold shock domain that imparts DNA-binding activity. It is also known as cold shock domain protein A (CSDA), CSDA1, ZO-1-associated nucleic acid-binding protein (ZONAB), and single-strand DNA-binding protein NF-GMB. DbpA has been reported to bind to the promoter for granulocyte-macrophage colony-stimulating factor (GM-CSF) and act as a repressor of transcription. It also binds to full-length mRNA and small RNAs containing the consensus site UCCAUCA, suggesting a role as a repressor of translation. Mutations in the CSDA gene have been associated with hepatocarcinogenesis.. ...
The S1 domain was originally identified in ribosomal protein S1 but is found in a large number of RNA-associated proteins. The structure of the S1 RNA-binding domain from the Escherichia coli polynucleotide phosphorylase has been determined using NMR methods and consists of a five-stranded antiparallel beta barrel. Conserved residues on one face of the barrel and adjacent loops form the putative RNA-binding site [ (PUBMED:9008164) ]. The structure of the S1 domain is very similar to that of cold shock proteins. This suggests that they may both be derived from an ancient nucleic acid-binding protein [ (PUBMED:9008164) ]. ...
The S1 domain was originally identified in ribosomal protein S1 but is found in a large number of RNA-associated proteins. The structure of the S1 RNA-binding domain from the Escherichia coli polynucleotide phosphorylase has been determined using NMR methods and consists of a five-stranded antiparallel beta barrel. Conserved residues on one face of the barrel and adjacent loops form the putative RNA-binding site [ (PUBMED:9008164) ]. The structure of the S1 domain is very similar to that of cold shock proteins. This suggests that they may both be derived from an ancient nucleic acid-binding protein [ (PUBMED:9008164) ]. ...
For 3-minutes, the cryo chamber will cool the surface of your skin by 30-50°F using gasified nitrogen to activate the bodys powerfully healing cold-shock response. During the session, blood rushes to your core, your body burns 400-800 calories to stay warm and once the sessions is over, the blood returns to the extremities carrying newly released neurotransmitters and cold-shock proteins that dramatically lower inflammation, heal injuries, increase collagen levels, boost your mood, accelerate recovery, increase focus and leave you feeling vibrant and full of energy.. ...
Used new algoithm to construct temporal networks of yeasts response to various stresses, including cold shock. For cold shock data, the paper analyzes data from the Gasch, et al. (2000) paper. Supplementary data has cold shock temporal response, but does not show any interactions between transcription factors and targets. (Note: the Gasch et al. paper does not have a true cold shock response. They only measure the effect of a temperature shift from 37°C to 25°C. - Kam D. Dahlquist 16:59, 22 September 2008 (EDT)) ...
well this is what i did. i had a few cakes and i crumbled them into a pan and cased with wet verm. waited a few days and a few spots started colonizing. now should i go ahead and cold shock now,
Panadol Cold + Flu Day caplets provide relief from Major Cold and flu symptoms. It is a non-drowsy formulation for day time relief.
Lactic Acid Bacteria (LAB) and bacteriocins have been applied in many fields in our life. Among LAB, Lactobacillus plantarum plays some essential role..
General Information: Formerly Halobacterium lacusprofundi, this organism is an extremely halophilic archaeon isolated from Deep Lake, Antarctica. Extremely halophilic archaeon isolated from the Antarctic. Halorubrum lacusprofundi is a red pigmented halophilic archaeon which has been found in hypersaline marine enviornments. Originally thought to be a psychrophile, further research determined that the optimum temperature for growth for Halorubrum lacusprofundi was from 31 - 37 degrees C. ...
MicroRNAs (miRNAs) are critical regulators responding to acute environmental stresses in both plants and animals. By modulating gene expression, miRNAs either restore or reconstitute a new expression program to enhance cell tolerance to stresses. Cold shock is one of the stresses that can induce acute physiological responses and transcriptional changes in aquatic creatures. Previous genomic studies have revealed many cold-affected genes in fish larvae and adults, however, the role of miRNAs in acute cold response is still ambiguous. To elucidate the regulatory roles of miRNAs in the cold-inducible responses, we performed small RNA-seq and RNA-seq analyses and found potential cold regulatory miRNAs and genes. We further investigated their interactions and involvements in cold tolerance. Small RNA-seq and RNA-seq identified 29 up-/26 down-regulated miRNAs and 908 up-/468 down-regulated genes, respectively, in responding to cold shock for 4 h at 18 °C. miRNA and transcriptomic analyses showed these miRNAs
Dangers of Cold Water Swimming -Cold Shock Response is the physiological response of organisms to sudden cold, in this case humans and cold water.
CircuLex Human CIRP ELISA Kit from MBL. This Kit is used for the quantitative measurement of human CIRP in cell lysate, cell culture supernatants, and other biological media.
The emergence and spread of antimicrobial resistance is the most urgent current threat to human and animal health. An improved understanding of the abundance of antimicrobial resistance genes and genes associated with microbial colonisation and pathogenicity in the animal gut will have a major role in reducing the contribution of animal production to this problem. Here, the influence of diet on the ruminal resistome and abundance of pathogenicity genes was assessed in ruminal digesta samples taken from 50 antibiotic-free beef cattle, comprising four cattle breeds receiving two diets containing different proportions of concentrate. Two hundred and four genes associated with antimicrobial resistance (AMR), colonisation, communication or pathogenicity functions were identified from 4966 metagenomic genes using KEGG identification. Both the diversity and abundance of these genes were higher in concentrate-fed animals. Chloramphenicol and microcin resistance genes were dominant in samples from forage-fed
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Amsterdam. This year Amsterdam are hosting the regional conference, so its good to se them represented as a new team as well. They are working on making E. Coli that will grow at temperatures far below normal limits. They also aimed to make coli better at resisting frost. Apparently they have had some success in making the cold resistance work. If you want to read more check our post!. Bilkent_UNAM-Turkey. This team is working on using microalgae for biodegradation. Now this use of microorganisms has been a returning theme for many years, but algae are still somewhat new on the iGEM scene. Bilkent_UNAM are specifically working on degrading TNT. Apparently they didnt get to test their constructs against. Copenhagen. Its good to see a new Danish team in the competition. Copenhagen are working with cytochrome P450 hydroxylases to rid the world of evil. They want to use E. coli expressing two different CYPs to bring death to fungi and environmental estrogens. They seem to have had a bumpy ride ...
Dehydrin, 50 µg. Dehydrins are a family of proteins that become abundant during dessication in seedlings and embryos of cereal crop plants including barley, corn, wheat and rice.
Probable DEAD-box RNA helicase. May work in conjunction with the cold shock proteins to ensure proper initiation of transcription at low and optimal temperatures.
Lin28 is a conserved cytoplasmic protein with an unusual pairing of RNA-binding motifs: a cold shock domain and a pair of retroviral-type CCHC zinc fingers. In the nematode C. elegans, it is a regulator of developmental timing. In mammals, it is abundant in diverse types of undifferentiated cells. H …
The paliavana parent is P. tenuiflora, the best of the paliavanas. The hybrid does a better job of retaining its foliage than most paliavanas. The sinningia parent is S. conspicua, from which the hybrid acquires the generally white corolla color, the markings and yellow in the throat, and fragrance that can be detected at certain times. The plant has a tuber, an inheritance from its sinningia parent. Paliavana tenuiflora is much more vulnerable to cold than Sinningia conspicua. The hybrid seems to have the latters cold resistance. ...
CircuLex Human CIRP ELISA Kit from MBL. This Kit is used for the quantitative measurement of human CIRP in cell lysate, cell culture supernatants, and other biological media.
Lin28 cold-shock domain complex. Computer model showing the structure of a Lin28 cold-shock domain (purple) complexed with the single-stranded DNA (deoxyribonucleic acid) fragment heptathymidine (yellow). - Stock Image C035/5941
Id hazard a reasonable guess that what puts people off real cold water swimming is not what I write so much about, that is, hypothermia and cold exposure over long periods. Instead Id postulate that it is the thoughts and fear of the initial cold shock and of the difficulty and pain involved with immersing…
Human CSDA partial ORF ( NP_003642, 241 a.a. - 330 a.a.) recombinant protein with GST-tag at N-terminal. (H00008531-Q01) - Products - Abnova
Cyanobacterial and algal mass development, or blooms, have severe effects on freshwater and marine systems around the world. Many of these phototrophs produce a variety of potent toxins, contribute to oxygen depletion, and affect water quality in several ways. Coexisting antagonists, such as cyanolytic bacteria, hold the potential to suppress, or even terminate, such blooms, yet the nature of this interaction is not well studied. We isolated 31 cyanolytic bacteria affiliated with the genera Pseudomonas, Stenotrophomonas, Acinetobacter, and Delftia from three eutrophic freshwater lakes in Sweden and selected four phylogenetically diverse bacterial strains with strong-to-moderate lytic activity. To characterize their functional responses to the presence of cyanobacteria, we performed RNA sequencing (RNA-Seq) experiments on coculture incubations, with an initial predator-prey ratio of 1: 1. Genes involved in central cellular pathways, stress-related heat or cold shock proteins, and antitoxin genes ...
After the first flush has happened do you need to do anything else like cold shock again or will more flushes just happen? How do you then distinguish between the flushes?
Chronic infections are often attributed to bacterial biofilms. These biofilms are extremely tolerant to antimicrobial treatment due to the presence of dormant persister cells. Whilst a number of persister genes and pathways have been identified, it is likely that others remain. Investigating persistence of S. Typhimurium was therefore undertaken. A csp null mutant of Salmonella enterica sv. Typhimurium, lacking all six cold shock protein (CspA) paralogues was previously constructed (Hutchinson 2005). At 10°C, this strain is unable to divide, but remains viable for several weeks. However it remains capable of growth at 37°C and thus is conditionally dormant. Using this strain, the link between dormancy and persistence was investigated. Treatment of stationary phase planktonic cultures with fluoroquinolones revealed persister cells in SL1344. In contrast the csp null mutant was completely eliminated by treatment at 37°C; this could be prevented by cspC or cspE expression, implicating a role for ...
Comparison of Motility, Acrosome, Viability and ATP of Boar Sperm with or without Cold Shock Resistance in Liquid Semen at 17℃ and 4℃, and Frozen-thawed Semen - Boar;Liquid Semen;Motility;Acrosome;ATP;
Conclusions: Flies reared at constant benign temperatures were more fecund at all acclimationtemperatures. In contrast, flies reared under fluctuating natural or laboratory conditions weremore successful in locating food under cool conditions in the field, while constant cool rearingconditions led to high cold resistance. The fluctuating- and low-temperature rearing conditionsresulted in a similar metabolic profile, while the 24C rearing profile was distinct and showeda lack of plasticity. The effects of developmental acclimation on performance are thereforecomplex and cannot be captured through experimental comparisons of constant environments ...
Read 9 responses to: I have a 8 month old baby and she has had a cold for... Find the best answer on Mamapedia - mom trusted since 2006.
Just wondering if anyone else gets cold while on this diet? I have been sole sourcing for approx 6 weeks and my hands are freezing! This isnt the...
This week on Afropop Worldwide, we bring you Afropops trip to Central America: The Panama Beat. In order to research the show, our producer and resident Latin American traveler Marlon Bishop took a trip to Panama to find out what the tiny country linking North and South America is all about. He brought us back some fantastic records and interviews with artists ranging from reggae star Kafu Banton to cumbia tipica siren Nina Campina. Here you can read some of Marlons personal reflections from the trip. A Trip to Panama I cant remember exactly when I first became restless to go to Panama. In the summer of 2009, Afropop sent me to Puerto Rico to research the roots of reggaeton. I was fascinated to learn that the origin of Latin Americas most popular club music was actually not on that island at all, but in Panama, a country rarely mentioned for its music (unfortunately). The deal was sealed after I heard some tracks from Soundway Records excellent three-disc Panama! compilation of golden-age ...
Bacillus alvei NRC-14, a soil bacterial isolate, was found to exhibit multiple-adaptive response when exposed to abiotic stress factors. In the present study, chemical and flocculation properties of a viscous biopolymer flocculant produced by the strain under cold-shock stress are investigated.
Proceeding/Conference:Proceedings of CIRP International Symposium - Advanced Design and Manufacture in the Global Manufacturing Era, August 21-22 ...
Hi, its been years I use nosodes to prevent colds with my little daughter. They do usually work if the cold is caught in the first day or very early. I use ene
Cold and flu can be extremely contagious and are usually more common at certain parts of the year. Learn about cold and flu prevention and treatment.
24 yrs old Male asked about Cold from 2 weeks, 1 doctor answered this and 91 people found it useful. Get your query answered 24*7 only on | Practo Consult
Homologues include a putative cold shock inducible protein and a SecY stabilizing protein. Based on experimental determination ... proposes that its C-terminal α-helical 20 amino acid peptide catalyzes Ca2+ flux both in vivo and in vitro. The Ca2+-leak ... the YccA protein of Escherichia coli and the YetJ protein of Bacillus subtilis. These proteins are about 200-250 residues in ... These proteins are distantly related to the ionotropic glutamate-binding protein of the N-methyl D-aspartate (NMDA) receptor of ...
Function of heat-shock proteins in immunity is based on their ability to bind not only whole proteins, but also peptides. The ... Heat shock proteins are also synthesized in D. melanogaster during recovery from prolonged exposure to cold in the absence of ... Heat shock proteins often function as chaperons in the refolding of proteins damaged by heat stress. Heat shock proteins have ... Several heat shock proteins function as intra-cellular chaperones for other proteins. They play an important role in protein- ...
... upstream of cold shock proteins in E. coli.[2] Discovery[edit]. Attenuation was first observed by Charles Yanofsky in the trp ... Part of the leader transcript codes for a short polypeptide of 14 amino acids, termed the leader peptide. This peptide contains ... Protein-mediated attenuation[edit]. Protein-RNA interactions may prevent or stabilize the formation of an anti-terminator ... coli protein is tryptophan). If the ribosome attempts to translate this peptide while tryptophan levels in the cell are low, it ...
Though typically associated with heat-induced protein expression, RNA thermometers can also regulate cold-shock proteins. For ... signals the beginning of a protein-coding gene which is then translated to a peptide product by the ribosome. In addition to ... Mega R, Manzoku M, Shinkai A, Nakagawa N, Kuramitsu S, Masui R (August 2010). "Very rapid induction of a cold shock protein by ... RNA thermometers often regulate genes required during either a heat shock or cold shock response, but have been implicated in ...
RNA-binding proteins which contain RNA-binding domain (RBD) and the cold-shock domain (CSD) protein family are also an example ... Both protein G, A, H are inhibited in the interactions with IgG antibodies (IgGFc) by a synthetic peptide corresponding to an ... "These include two proteins from fish, the ocean pout and the winter flounder, and three very active proteins from insects, the ... Antifreeze proteins are a perfect example of convergent evolution. Different small proteins with a flat surface which is rich ...
It can also respond to abiotic and biotic stresses, such as heat shock, cold temperatures, and dehydration, to eliminate any ... This separation of polar and non-polar regions facilitates protein-protein interactions between the enzyme and a large range of ... Zingibain utilizes a catalytic triad of Cys, His, and Asn residues in its active site in order to cleave peptide bonds ... These multiple pI values lend support to a theory that GP-I may be a mixture of two proteins. Zingibain was first purified and ...
Cold-induced vasodilation (CIVD) occurs after cold exposure, possibly to reduce the risk of injury. It can take place in ... "Regulation of Na+-K+-ATPase by cAMP-dependent protein kinase anchored on membrane via its anchoring protein". American Journal ... Arteriolar vasodilator Nitrophorin Vasodilatory shock "Definition of Vasodilation". MedicineNet.com. 27 April 2011. Archived ... "Capsaicin-induced vasodilatation of human coronary arteries in vitro is mediated by calcitonin gene-related peptide rather than ...
Preferential translation of cold-shock mRNAs during cold adaptation. RNA 10(2): 265-276. 10.1261/rna.5164904 Taylor, R. C., ... but can also involve modulation of peptide elongation, termination of protein synthesis, or ribosome biogenesis. While these ... Generally, these initiation factors are expressed in equal proportion to ribosomes, however experiments using cold-shock ... Activation of AMP-activated protein kinase leads to the phosphorylation of elongation factor 2 and an inhibition of protein ...
In strain LTH681, the stress operon dnaK has been characterized in 1999 as a heat shock protein gene. There is only one gene ( ... Inhibition of Listeria monocytogenes in chicken cold cuts can be obtained by addition of sakacin P and sakacin P-producing ... histidine protein kinase and response regulator that are necessary to activate this promoter upon induction by a peptide ... It is composed of 1884661 nucleotides forming 1879 protein genes and 84 RNA genes. Zheng, Jinshui; Wittouck, Stijn; Salvetti, ...
If the protein cannot fold correctly, it cannot function correctly. Heat shocking the cells would prevent homeostasis, meaning ... Rpn1 allowed Rad23A and Rad23B to simulate the proteasome in question and amplify its function via increasing peptide ... Honorary degrees from both Cold Spring Harbor Laboratories and the University of Maastricht (Netherlands) He has also lectured ... If the protein cannot fold correctly, it cannot function correctly. Heat shocking the cells would prevent homeostasis, meaning ...
... protein. The protein contains a putative 30- amino-acid signal peptide; removal of the signal sequence gives a predicted ... Toxic shock syndrome: Both Streptococcal and Staphylococcal bacteria can cause this syndrome. Clinical manifestations include ... typically in colder climates.[13] ... Urinary abnormalities include blood and protein found in the ... The carboxy terminal portion of the protein exhibits extensive homology with the carboxy terminus of Staphylococcus aureus ...
They are of an invariant nature and may be triggered by alarm signals, such as heat shock proteins (HSP). There also exists a ... On the other hand, it has been shown that after exposing the mice to cold, the production of TNF and IL-17 will act on the ... Strong support for a direct recognition of non-peptide antigens by the Vγ9/Vδ2 TCR comes from studies which demonstrated that a ... This cytokine is responsible for cell-mediated production of antimicrobial peptides and tissue repair. On the other hand, ...
"Protein-peptide interaction studies demonstrate the versatility of calmodulin target protein binding". Protein and Peptide ... and cold and heat shocks. Different root cell types show a different Ca2+ response to osmotic and salt stresses and this ... The AtBAG6 protein is a CaM-binding protein that binds to CaM only in the absence of Ca2+ and not in the presence of it. AtBAG6 ... CaM binding proteins are also known to regulate reproductive development in plants. For instance, the CaM-binding protein ...
... accumulation of mineralization-inhibiting proteins and peptides (such as osteopontin and ASARM peptides) occurs in the ... while bone aches are not spontaneous but only revealed by pressure or shocks.[citation needed]It differs from renal ... and individuals who immigrate from warm climates to cold climates, especially women who wear traditional veils or dresses that ... "Abnormal presence of the matrix extracellular phosphoglycoprotein-derived acidic serine- and aspartate-rich motif peptide in ...
The protein contains a putative 30- amino-acid signal peptide; removal of the signal sequence gives a predicted molecular ... Toxic shock syndrome: Both streptococcal and staphylococcal bacteria can cause this syndrome. Clinical manifestations include ... typically in colder climates. The morbidity and mortality of scarlet fever has declined since the 18th and 19th century when ... These vaccines, which are still in the development phase, expose the person to proteins present on the surface of the group A ...
Recipients who lack this protein develop sensitization to this protein from prior transfusions or previous pregnancies, can ... For example, when individuals run the frozen blood sample directly in their veins this cold blood rapidly reaches the heart, ... The patient may present with symptoms of fever, wheezing, coughing, shortness of breath, and circulatory shock. Urgent ... elevated brain natriuretic peptide (BNP), elevated central venous pressure (CVP), evidence of left heart failure, evidence of ...
A peptide-based JNK inhibitor (AM-111, a retro-inverse D-motif peptide from JIP1, formerly known as XG-102) is also under ... Both JNK and p38 signaling pathways are responsive to stress stimuli, such as cytokines, ultraviolet irradiation, heat shock, ... response to cold and involved in anti-pathogen responses. In addition, they are also involved in morphogenesis, since MPK4 ... A mitogen-activated protein kinase (MAPK or MAP kinase) is a type of protein kinase that is specific to the amino acids serine ...
Peptides encoded by human lncRNAs have been found in cells and adult tissues. The protein SPAR has been found to be encoded by ... These elements are transcribed as ncRNAs by RNAP III in response to environmental stresses such as heat shock, where they then ... 2004). "The Air noncoding RNA: an imprinted cis-silencing transcript". Cold Spring Harbor Symposia on Quantitative Biology. 69 ... In the broad sense, this mechanism allows the cell to harness RNA-binding proteins, which make up one of the largest classes ...
Hackney, AC; Feith, S; Pozos, R; Seale, J (April 1995). "Effects of high altitude and cold exposure on resting thyroid hormone ... It is typically associated with high-T3 syndrome, increased plasma protein binding of thyroid hormones, and an elevated set ... and agouti-related peptide. In critical illness, inflammation increases tanycyte D2 in the paraventricular nucleus (PVN) of the ... shock, cancer, and HIV. Outside the hospital setting, euthyroid sick syndrome (nonthyroidal illness syndrome - NTIS) has been ...
In this method the cells are briefly shocked with an electric field of 10-20 kV/cm, which is thought to create holes in the ... It has been found that growth of Gram-negative bacteria in 20 mM Mg reduces the number of protein-to-lipopolysaccharide bonds ... It is suggested that exposing the cells to divalent cations in cold condition may also change or weaken the cell surface ... Both genes by themselves produce non-functional peptides, however, when expressed together, as when a plasmid containing lacZ-α ...
Ondetti gained inspiration from his previous work on peptides. Peptides are vital in-vivo components, but peptides are cleaved ... Miguel tried to electroplate a knife using a copper sulfate solution, only to shock himself. Both Ondetti brothers went to a ... He refused, citing "I turned it down, because Deulofeu was an outstanding scientist, but he was very cold in the interaction ... "developing an innovative approach to drug design based on protein structure and using it to create the ACE inhibitors, powerful ...
2010). "Protein Folding in the Cytoplasm and the Heat Shock Response". Cold Spring Harb Perspect Biol. 2 (12): a004390. doi: ... This facilitates the correct folding of multi-domain proteins. The newly synthesized peptide chain exits the ribosome into the ... The mitochondrial unfolded protein response detects imbalances in protein stoichiometry of mitochondrial proteins and misfolded ... with the entire protein landscape changing due to loss of other proteins' interactions with the degraded protein. Multiple ...
A highly allergic person may suffer anaphylactic shock from certain proteins in the venom, which can be life-threatening and ... Once the stinger is removed, pain and swelling should be reduced with a cold compress. A topical anesthetic containing ... The venom of the honeybee contains histamine, mast cell degranulating peptide, melittin, phospholipase A2, hyaluronidase and ... The three proteins in honeybee venom which are important allergens are phospholipase A2, hyaluronidase and acid phosphatase. In ...
... heat shock and oxidative stress responses, by activating proteins such as MnSOD and Catalase. Expression of FOXO in the ... Insulin Signalling Insulin and IGF1 are peptide hormones dictating energy functions such as glucose and lipid metabolism. The ... Cold Spring Harbor Perspectives in Biology. 6 (1): a009191. doi:10.1101/cshperspect.a009191. PMC 3941218. PMID 24384568. Check ... "daf-16 Forkhead box protein O [Caenorhabditis elegans] - Gene - NCBI". www.ncbi.nlm.nih.gov. Lin, K.; Hsin, H.; Libina, N.; ...
... expressed in mammalian testes and somatic cells form RNA-protein complexes with Piwi proteins. These piRNA complexes (piRCs) ... These RNA elements form one of two possible structures in regions encoding very short peptide sequences that are rich in the ... Comparison of nucleotide sequences and secondary structure models". Cold Spring Harbor Symposia on Quantitative Biology. 31: ... The B2 RNA is a small noncoding RNA polymerase III transcript that represses mRNA transcription in response to heat shock in ...
... is a G protein-coupled receptor that binds to a class of pituitary peptide hormones known as the melanocortins, which include ... nonselective peptide antagonist MC1R has a slightly different function in cold-blooded animals such as fish, amphibians, and ... Shock. 47 (1): 79-85. doi:10.1097/SHK.0000000000000708. PMC 5167637. PMID 27488084. Maresca V, Flori E, Picardo M (July 2015 ... α-MSH - nonselective peptide full agonist β-MSH - nonselective peptide full agonist γ-MSH - nonselective peptide full agonist ...
The fundamental roles that peptides and proteins play in today's biology makes it almost indisputable that peptides were key ... Cold Spring Harbor Symposia on Quantitative Biology. 52. Cold Spring Harbor, NY: Cold Spring Harbor Laboratory Press. pp. 9-16 ... Shock, Everett L. (25 October 1997). "High-temperature life without photosynthesis as a model for Mars" (PDF). Journal of ... this first protein gave a selective advantage to the lipid protocell that contained the protein. This protein also synthesized ...
The balance between potassium and sodium is maintained by ion transporter proteins in the cell membrane.[231] The cell membrane ... All the alkali metals react vigorously or explosively with cold water, producing an aqueous solution of a strongly basic alkali ... Nellis, W. J.; Weir, S. T.; Mitchell, A. C. (1999). "Metallization of fluid hydrogen at 140 GPa (1.4 Mbar) by shock compression ... Solid state crystal structures have been determined for many complexes of alkali metal ions in small peptides, nucleic acid ...
... is a physiologically and pharmacologically active peptide of the kinin group of proteins, consisting of nine amino ... The discovery was part of a continuing study on circulatory shock and proteolytic enzymes related to the toxicology of snake ... Bradykinin is a 9-amino acid peptide chain. The amino acid sequence of bradykinin is: Arg-Pro-Pro-Gly-Phe-Ser-Pro-Phe-Arg ( ... It is a peptide that causes blood vessels to dilate (enlarge), and therefore causes blood pressure to fall. A class of drugs ...
In general, proteins fold into discrete units that perform distinct cellular functions, but some proteins are also capable of ... Plainview, N.Y.: Cold Spring Harbor Laboratory Press. ISBN 0-87969-490-4.. [page needed] ... In one example, mice were conditioned to fear a strong scent, acetophenone, by accompanying the smell with an electric shock. ... The first way is post translational modification of the amino acids that make up histone proteins. Histone proteins are made up ...
... which result in either diminished levels of the C1-inhibitor protein (type I HAE) or dysfunctional forms of the same protein ( ... Bradykinin plays a critical role in all forms of hereditary angioedema.[9] This peptide is a potent vasodilator and increases ... Cold intolerance. Acrocyanosis. Erythrocyanosis crurum. Radiation. Radiation poisoning. Radiation burn. Chronic radiation ... activates other proteins of the complement system. Additionally, it inhibits various proteins of the coagulation cascade, ...
tyrosine phosphorylation of STAT protein. • positive regulation of tyrosine phosphorylation of STAT protein. • regulation of ... The other isoform (IL-15 SSP) has a short signal peptide of 21 amino acids encoded by exons 4A and 5.[5] Both isoforms shared ... One potential shortcoming of IL-15 SA was its enhancement of septic shock in mice.[36] ... negative regulation of cold-induced thermogenesis. • macrophage differentiation. Sources:Amigo / QuickGO. Orthologs. ...
Although the heme proteins are the most important class of iron-containing proteins, the iron-sulfur proteins are also very ... A great variety of steel articles can then be made by cold working, hot rolling, forging, machining, etc. Removing the other ... but unresistant to shock. The broken surface of a white cast iron is full of fine facets of the broken iron carbide, a very ... which has only one iron atom coordinated to four sulfur atoms from cysteine residues in the surrounding peptide chains. Another ...
common cold). Head. sinuses. Sinusitis. nose. Rhinitis Vasomotor rhinitis. Atrophic rhinitis. Hay fever. Nasal polyp. ... Surfactant immune function is primarily attributed to two proteins: SP-A and SP-D. These proteins can bind to sugars on the ... These include secretory immunoglobulins (IgA), collectins, defensins and other peptides and proteases, reactive oxygen species ... Cold shock response. *Dead space (physiology). *Decompression (diving). *Decompression theory. *Diving reflex ...
"Cold acclimation and overwintering of female Aedes albopictus in Roma"។ Journal of the American Mosquito Control Association 22 ... They need sugar for energy, which is taken from sources such as nectar, and they need blood as a source of protein for egg ... The magazine's editor Lorna Cowan described the four appliances that used a buzzer as "a shocking waste of money" which "should ... Aminoptidase activity is also luminal in the posterior midgut, but cellular aminopeptidases are required for peptide processing ...
In response to nerve damage, heat shock proteins (HSP) are released and can bind to their respective TLRs, leading to further ... "Cold Spring Harbor Perspectives in Biology. 7 (2): a020420. doi:10.1101/cshperspect.a020420. PMC 4315924. PMID 25380660.. ... A litany of other neurotransmitter and neuromodulators, such as calcitonin gene-related peptide (CGRP), adenosine triphosphate ... astrocytes were generated by exposing human glial precursor cells to bone morphogenetic protein (Bone morphogenetic protein is ...
... nuclear located protein kinase C and cyclic AMP-dependent protein kinase". Frontiers in Bioscience. 13 (13): 1206-26. doi: ... Cold shock response. *Dead space (physiology). *Decompression (diving). *Decompression theory. *Diving reflex ... Walsh CT (March 2004). "Polyketide and nonribosomal peptide antibiotics: modularity and versatility". Science. 303 (5665): 1805 ... Protein-lipid interaction. *Phenolic lipid, a class of natural products composed of long aliphatic chains and phenolic rings ...
common cold). Head. sinuses. Sinusitis. nose. Rhinitis Vasomotor rhinitis. Atrophic rhinitis. Hay fever. Nasal polyp. ... B-type natriuretic peptide (BNP) is available in many hospitals, sometimes even as a point-of-care test. Low levels of BNP (, ... It is possible for cardiogenic pulmonary edema to occur together with cardiogenic shock, in which the cardiac output is ... usually C-reactive protein) and a complete blood count as well as coagulation studies (PT, aPTT) are also typically requested. ...
"The A.T-DNA-binding domain of mammalian high mobility group I chromosomal proteins. A novel peptide motif for recognizing DNA ... 4.10) Cold-shock domain. *CSDA. *YBX1. (4.11) Runt. *CBF *CBFA2T2. *CBFA2T3. *RUNX1 ... High-mobility group protein HMG-I/HMG-Y is a protein that in humans is encoded by the HMGA1 gene.[5][6] ... "Functional interaction between the POU domain protein Tst-1/Oct-6 and the high-mobility-group protein HMG-I/Y". Molecular and ...
Carboxypeptidase cleaves peptide linkages during digestion of proteins. A coordinate covalent bond is formed between the ... Common coldEdit. This section is transcluded from Zinc and the common cold. (edit , history) ... Recent research suggests that the topical antimicrobial zinc pyrithione is a potent heat shock response inducer that may impair ... Other proteinsEdit. Zinc serves a purely structural role in zinc fingers, twists and clusters.[186] Zinc fingers form parts of ...
Disulfide bonds (S-S bonds) between cysteine residues in peptide chains are very important in protein assembly and structure. ... Amorphous or "plastic" sulfur is produced by rapid cooling of molten sulfur-for example, by pouring it into cold water. X-ray ... Molten sulfur is sometimes still used for setting steel bolts into drilled concrete holes where high shock resistance is ... Protein and organic cofactorsEdit. Sulfur is an essential component of all living cells. It is either the seventh or eighth ...
G protein-coupled peptide receptor activity. • G protein-coupled receptor activity. • signal transducer activity. • melanocyte- ... MC1R has a slightly different function in cold-blooded animals such as fish, amphibians, and reptiles. Here, α-MSH activation ... "Shock. 47 (1): 79-85. doi:10.1097/SHK.0000000000000708. PMC 5167637. PMID 27488084.. ... positive regulation of protein kinase B signaling. • positive regulation of protein kinase C signaling. • G protein-coupled ...
Changes in striatal opioid peptides ↑dynorphin. No change: enkephalin. ↑dynorphin. ↓enkephalin. ↑dynorphin. ↑dynorphin. [57]. ... it triggers transporter phosphorylation via protein kinase A (PKA) and protein kinase C (PKC) signaling, ultimately resulting ... "Part 341 - cold, cough, allergy, bronchodilator, and antiasthmatic drug products for over-the-counter human use". Code of ... cardiogenic shock, bleeding in the brain, circulatory collapse, hyperpyrexia (i.e., dangerously high body temperature), ...
"Cold Spring Harbor Perspectives in Medicine. 5 (8): a021113. doi:10.1101/cshperspect.a021113. PMC 4526729. PMID 25818664.. ... The bacterial flagellum is made of about 20 proteins, with approximately another 30 proteins required for its regulation and ... which is made from polysaccharide chains cross-linked by peptides containing D-amino acids.[64] Bacterial cell walls are ... a systemic inflammatory response producing shock, massive vasodilation and death.[181] Yet these organisms are also part of the ...
protein dimerization activity. • protein homodimerization activity. • MRF binding. • GO:0001106 transcription corepressor ... defective TH2 responses after being repeatedly stimulated with OVA peptide, and reduced alveolar infiltrate.[10] BHLHE41 ... 4.10) Cold-shock domain. *CSDA. *YBX1. (4.11) Runt. *CBF *CBFA2T2. *CBFA2T3. *RUNX1 ... GO:0001948 protein binding. • protein heterodimerization activity. • transcription factor activity, RNA polymerase II distal ...
Oxidative Protein Damage and Expression of Heat Shock Proteins, Inflammatory Factors, and Mitochondrial Complexes in Arctica ... "Cold Spring Harb Perspect Biol. 3 (5): a004440. doi:10.1101/cshperspect.a004440. PMC 3101847. PMID 21441594.. ... Subcutaneous fat also produces cathelicidin, which is a peptide that fights bacterial infections.[104][105] ... mTOR, a protein that inhibits autophagy, has been linked to ageing through the insulin signalling pathway. mTOR functions ...
Oneyama C, Nakano H, Sharma SV (March 2002). "UCS15A, a novel small molecule, SH3 domain-mediated protein-protein interaction ... Cold Spring Harbor Symposia on Quantitative Biology. 53 Pt 2 (2): 915-20. doi:10.1101/sqb.1988.053.01.105. PMID 3254788.. ... "Potential role of Gab1 and phospholipase C-gamma in osmotic shock-induced glucose uptake in 3T3-L1 adipocytes". Hormone and ... NUCLEAR MAGNETIC RESONANCE STRUCTURE OF AN SH2 DOMAIN OF PHOSPHOLIPASE C-GAMMA1 COMPLEXED WITH A HIGH AFFINITY BINDING PEPTIDE ...
... and can be a protein or peptide (short protein), or another small molecule such as a neurotransmitter, hormone, pharmaceutical ... 4.10) Cold-shock domain. *CSDA. *YBX1. (4.11) Runt. *CBF *CBFA2T2. *CBFA2T3. *RUNX1 ... site for larger peptide ligands is usually located in the extracellular domain whereas the binding site for smaller non-peptide ... In biochemistry and pharmacology, a receptor is a protein molecule that receives chemical signals from outside a cell.[1] When ...
... are dependent on acidic amino acid residues and protein-protein interaction". Nucleic Acids Research. 28 (5): 1106-13. doi: ... cellular response to peptide. • regulation of transcription, DNA-templated. • positive regulation of hemoglobin biosynthetic ... 4.10) Cold-shock domain. *CSDA. *YBX1. (4.11) Runt. *CBF *CBFA2T2. *CBFA2T3. *RUNX1 ... are dependent on acidic amino acid residues and protein-protein interaction". Nucleic Acids Research. 28 (5): 1106-13. doi: ...
"Cold Shock Proteins and Peptides" by people in this website by year, and whether "Cold Shock Proteins and Peptides" was a major ... Cold Shock Proteins and Peptides*Cold Shock Proteins and Peptides. *Cold Stress Proteins and Peptides ... "Cold Shock Proteins and Peptides" is a descriptor in the National Library of Medicines controlled vocabulary thesaurus, MeSH ( ... Below are the most recent publications written about "Cold Shock Proteins and Peptides" by people in Profiles. ...
mRNA and Protein(s) * WP_012289092.1 Peptide Sequence See identical proteins and their annotated locations for WP_012289092.1 ... cold-shock protein. Locus tag. VNG_RS00395. Gene type. protein coding. Organism. Halobacterium salinarum NRC-1 (strain: NRC-1; ... VNG_RS00395 cold-shock protein [ Halobacterium salinarum NRC-1 ] Gene ID: 1447033, updated on 30-Jan-2018 ... General protein information Go to the top of the page Help Names. cold-shock protein. ...
... with subsequent peptide-mapping protein identification. Regarding approximately 600-700 distinct protein spots detected on 2D ... term periods of cold followed by a brief frost treatment were studied in order to disclose proteins responsible for the cold ... Moreover, there have been found several proteins with large increase in accumulation, e.g., 33 kDa oxygen evolving protein of ... The range of changes in protein abundance was generally higher in leaves and chloroplast proteins were frequently affected ...
Owing to the fact that the overexpression of GRPs can confer tolerance to stress (e.g., some are involved in cold acclimation ... Several proteins, including the glycine-rich protein (GRP) superfamily, are involved in cellular stress responses and signaling ... GRPs of class IV [RNA-binding proteins (RBPs)] are involved in alternative splicing or regulation of transcription and stomatal ... those proteins emerge playing a promising role in agriculture through their potential engineering by means of plant genetic ...
Cold Shock Proteins And Peptides. Cellular proteins and peptides that are induced in response to cold stress. They are found in ... Exercise Challenge in a Cold Chamber. The purpose of this study is to compare the exercise-challenge in a cold chamber at 2-4°C ... This study investigated cold chains for farmed oysters raised in t.... Loop-mediated isothermal amplification assay as a point- ... During cold-starvation, PMA qPCR selectively excluded DNAs from heat-killed cells. However, there may be some penetration of ...
Protein Coding), Calcium Regulated Heat Stable Protein 1, including: function, proteins, disorders, pathways, orthologs, and ... Cold shock protein ProtoNet:. * Q9Y2V2 Suggested Antigen Peptide Sequences for CARHSP1 Gene. ... Protein Symbol:. Q9Y2V2-CHSP1_HUMAN. Recommended name:. Calcium-regulated heat-stable protein 1. Protein Accession:. Q9Y2V2. ... GenScript: Design optimal peptide antigens:. *Calcium-regulated heat-stable protein of 24 kDa (CHSP1_HUMAN) ...
Cold Shock domain. 28. X. 16482. LRP-1. 28. X. 5549. [Ala31, Pro32]-NEUROPEPTIDE Y. 28. X. ... BMRB Protein/Peptide Heteronuclear NOE Entries. listed by number of heteronuclear NOE values in descending order. Number of ... A Repository for Data from NMR Spectroscopy on Proteins, Peptides, Nucleic Acids, and other Biomolecules Member of ...
Biophysical studies of the development of amyloid fibrils from a peptide fragment of cold shock protein B. Eur. J. Biochem. 267 ... For the native protein, as expected, one cysteine per protein was free, whereas for the full oligomer fraction we obtained 0.2 ... 2001) and by stopped-flow CD for the bovine protein as well as the equine protein (Hamada et al. 1996; Arai et al. 1998; ... a) Elution profiles of the native protein (continuous line) and of the protein heated for 105 min at 67.5°C (20 mg/mL in 10 mM ...
We characterized Cryptococcus neoformans recombinant antiphagocytic protein 1 (rApp1) by SDS-PAGE, gel filtration ... Formation of amyloid fibrils by peptides derived from the bacterial cold shock protein CspB. Protein Sci. 1999;8(6):1350-7. ... App1: an antiphagocytic protein that binds to complement receptors 3 and 2. J Immunol. 2009;182(1):84-91.PubMedGoogle Scholar ... Estimation of protein secondary structure from circular dichroism spectra: comparison of CONTIN, SELCON, and CDSSTR methods ...
Homologues include a putative cold shock inducible protein and a SecY stabilizing protein. Based on experimental determination ... proposes that its C-terminal α-helical 20 amino acid peptide catalyzes Ca2+ flux both in vivo and in vitro. The Ca2+-leak ... the YccA protein of Escherichia coli and the YetJ protein of Bacillus subtilis. These proteins are about 200-250 residues in ... These proteins are distantly related to the ionotropic glutamate-binding protein of the N-methyl D-aspartate (NMDA) receptor of ...
Cells were washed with ice-cold PBS and analyzed by flow cytometry using a FACScan with CellQuest software (BD Biosciences, ... Heat shock protein-chaperoned peptides but not free peptides introduced in the cytosol are presented efficiently by major ... Heat shock protein-peptide complexes, reconstituted in vitro, elicit peptide-specific cytotoxic T lymphocyte response and tumor ... Tumor-Derived Heat Shock Protein 70 Peptide Complexes Are Cross-Presented by Human Dendritic Cells. Elfriede Noessner, Robert ...
... automated protein sequencer to obtain N-terminal amino acid sequences or were digested with trypsin and the mass of the peptide ... the major cold shock protein of Escherichia coli, in cold shock adaptation. J. Bacteriol. 178:4919-4925. ... enterocolitica to produce major cold shock proteins upon cold shock. ... 1997) A family of cold shock proteins in Bacillus subtilis is essential for cellular growth and for efficient protein synthesis ...
We identify proteins associated with the agent of human granulocytic anaplasmosis, an emerging disease, and the encephalitis- ... Annotation of scaffolds representing ∼57% of the genome, reveals 20,486 protein-coding genes and expansions of gene families ... Expression of heat-shock proteins and subolesin affects stress responses, Anaplasma phagocytophilum infection and questing ... AMP, antimicrobial peptide; CAT, cathepsin; CP, haemlipoglyco-carrier protein; CYP450, cytochrome P450; GR, gustatory receptor ...
Lastly, Hidden Markov Model searches identified three protein family motifs, including cold shock domain proteins and fatty ... Lastly, Hidden Markov Model searches identified three protein family motifs, including cold shock domain proteins and fatty ... Lastly, Hidden Markov Model searches identified three protein family motifs, including cold shock domain proteins and fatty ... Lastly, Hidden Markov Model searches identified three protein family motifs, including cold shock domain proteins and fatty ...
human CSDE1 protein: amino acid sequence in first source; unr gene located close to N-ras locus and may interact with it; ... CSDE1 protein, human; NRU protein, human; cold shock domain containing E1, RNA-binding protein, human; p97 protein (unr), human ... Amino Acids, Peptides, and Proteins*Proteins: 90489*Carrier Proteins: 11456*RNA-Binding Proteins: 969*human CSDE1 protein ... p97-unr protein, human; unr protein, human; upstream-of-ras protein, human ...
Even the common cold got its name because it is common in cold weather and rare in the summer. Vitamin D blood levels are at ... called antimicrobial peptides. The 200 known antimicrobial peptides directly and rapidly destroy the cell walls of bacteria, ... the steroid hormone under question increases the bodys production of a remarkable class of proteins, ... The doctors are shocked at my progress. I settled my vaccine case this year with the courts conceding that all of my damage was ...
CSP_CDS; Cold-Shock Protein (CSP) contains an S1-like cold-shock domain (CSD) that is found in eukaryotes, prokaryotes, and ... this study shows that innate immunity activation by muramyl peptides is mediated via an interaction between YB1 and NOD2 Title ... CSPs include the major cold-shock proteins CspA and CspB in bacteria and the eukaryotic gene regulatory factor Y-box protein ... Inflammatory cell infiltration and resolution of kidney inflammation is orchestrated by the cold-shock protein Y-box binding ...
... cells were grown to an OD600 of 1.2 and then cold-shocked and induced with 0.4 mM IPTG for 2 hours before harvesting. Protein ... The peptide bond, the defining feature of proteins, governs peptide chemistry by abolishing nucleophilicity of the nitrogen. ... C in ice-cold water bath (cold shock) before induction with 0.2 mM isopropyl-β-D-thiogalactopyranoside (IPTG) for 20 hours. For ... that are capable of disrupting protein-protein interactions.. Omphalotin A is a fungal peptide macrocycle comprising of 12 ...
... were found to include many RNA binding proteins. To assess the possibility that some of the many cold shock domain proteins ... which in turn was used to classify the different phosphorylated peptides as potential kinase targets. Predicted peptides of ... Pour évaluer la possibilité que quelques-unes des multiples protéines à domaine Cold Shock identifiées dans le transcriptome ... à domaine Cold Shock. Chez L. polyedrum, plusieurs gènes sont répétés en tandem. Un alignement des séquences obtenues par RNA- ...
The cytosolic 70-kDa heat shock proteins (Hsp70s) Ssa and Ssb of. The cytosolic 70-kDa heat shock proteins (Hsp70s) Ssa and Ssb ... For each 40-μl ATPase assay the following concentrations of each peptide unfolded protein or DnaJ-homologue were added: A5 (15 ... The fusion BAA rescues the cold-sensitive phenotype of a disruption strain. Here we demonstrate that this fusion BAA has ... Categories Motor ProteinsTags AEE788, RYBP Influenza B pathogen is a major causative agent of respiratory disease. Influenza B ...
3371). ProS2 is about 23 kDa of a tandem-dimer from the N-terminal domain of Protein S, a soluble protein derived from ... Anti-Protein S monoclonal antibody is used to detect ProS2-fused protein expressed by using pCold ProS2 DNA (Cat. # ... Anti-Protein S Monoclonal Antibody can be used for detection of ProS2-fused proteins expressed from the cold shock expression ... 3371). ProS2 is an approximately 23 kDa soluble tandem-dimer peptide tag derived from the N-terminal domain of Protein S, a ...
... induction of either heat shock proteins or cold shock proteins was observed depending on whether the A site of the ribosome was ... The membrane-damaging peptide polymyxin B induced both the P3rpoH::lacZ andibp::lacZ fusions, while the β-lactam antibacterial ... Major cold shock protein of Escherichia coli. Proc. Natl. Acad. Sci. USA 87 1990 283 287 ... the new heat-shock proteins, bind to endogenous Escherichia coli proteins aggregated intracellularly by heat shock. Biochimie ...
... incorporation into proteins and peptides and serving as a primer for branched-chain fatty acids of the anteiso-branching type ( ... the cold shock proteins and the cold acclimatization proteins, respectively, with the cold shock proteins thought to play a ... 1997) Differentiation between cold shock proteins and cold acclimation proteins in a mesophilic gram-positive bacterium, ... subtilis to survive cold shock from 37 to 15°C. Cold shock experiments with strain JH642 revealed a cold-protective function ...
Cold-Shock Response * Cold Shock Proteins and Peptides * Aquaporin 4 * Gene Library ...
E. coli and B. subtilis respond to cold stress by inhibiting general protein synthesis and inducing cold shock proteins after ... 12,107 unique peptides, corresponding to 1673 proteins, were identified. Considering FDR ,0.01 and unique peptide numbers ≥2, ... Cold shock and cold adaptation are two different processes. Cold shock means micro-organisms transferred from a higher ... A more moderate cold shock response is induced in yeast than in bacteria, while a strong cold shock response was observed in ...
Function of heat-shock proteins in immunity is based on their ability to bind not only whole proteins, but also peptides. The ... Heat shock proteins are also synthesized in D. melanogaster during recovery from prolonged exposure to cold in the absence of ... Heat shock proteins often function as chaperons in the refolding of proteins damaged by heat stress. Heat shock proteins have ... Several heat shock proteins function as intra-cellular chaperones for other proteins. They play an important role in protein- ...
The supernatant, which was the osmotic shock fraction, was recovered and combined with the periplasmic fraction. The mixture ... The harvested cells were resuspended in 1 ml of ice-cold periplasmic extraction buffer I (20% (w/v) sucrose, 100 mM Tris-HCl, ... Several signal peptides of outer membrane proteins (from native and other species) that are transported by the general ... Meanwhile, it is necessary to determine the effects of different signal peptides on a given protein (as well as their mutual ...
Some Characteristics of the Bacteriocin and Cold Shock Protein of the Strain Lactobacillus Plantarum Ul485 Isolated from Chao ... Peptides. 2009;30(8):1562-74. *Barria C, Malecki M, Arraiano CM. Bacterial adaptation to cold. Microbiology. 2013;159(12):2437- ... The gene encoded for cold shock protein (Csp) in the strain was cloned and then the protein was identified as CspC. In addition ... After a rapid temperature downshift, cold shock proteins regulate the adaptation of bacteria to cold stress [6]. ...
Peptides. Proteins. Steroids Powder. GHRP-2. IGF-1 LR3. 17a-Methyl-1-Testosterone. ... Its chemically similar to the ephedrine and pseudoephedrine found in many over-the-counter cold/allergy medications and weight ... 3. Synephrine used in the treatment of bronchial asthma clinical shock and hypotension collapse and orthostatic. hypotension ... peptides products, IGF-1 LR3, and steroids and SARMs products, EGF, VEGF etc., in China. All the managers and engineers are ...
2005) Highly selective enrichment of phosphorylated peptides from peptide mixtures using titanium dioxide microcolumns. Mol ... The cold-inducible CBF1 factor-dependent signaling pathway modulates the accumulation of the growth-repressing DELLA proteins ... small heat shock protein HSP17.6A (AT5G12030), copper transporter CTP1 (AT5G52760), C2H2 zinc finger proteins ZAT6 (AT5G04340) ... human HSF1 is inactive and forms a cytoplasmic complex with the heat shock protein HSP90. Accumulation of denatured proteins ...
  • Primer extension experiments identified a putative transcriptional start site (+1) which is flanked by a cold-box motif and promoter elements (−10 and −35) similar to those found in Escherichia coli cold-inducible MCSP genes. (asm.org)
  • Annotation of scaffolds representing ∼ 57% of the genome, reveals 20,486 protein-coding genes and expansions of gene families associated with tick-host interactions. (nature.com)
  • In addition, genes related to unfolded protein binding were alternatively spliced. (g3journal.org)
  • Heat shock factors (HSFs) are transcriptional regulators that mediate the activation of large set of genes induced by high temperature or other stress conditions. (plantphysiol.org)
  • The unique fraction of marine archaeal genes included, among others, those for a predicted RNA-binding protein of the bacterial cold shock family and a eukaryote-type Zn finger protein. (asm.org)
  • Our results indicate coordinated up-regulation of hsps and proteasomal genes, which cooperatively function to repair and degrade damaged proteins during dehydration. (pdf-archive.com)
  • A major hurdle, however, is the complexity of the systems under scrutiny, as it has been shown that human cell lines, for instance, express at least 10,000 genes that are detectable as proteins ( 3 ⇓ - 5 ). (mcponline.org)
  • In fact, the Human Proteome Project ( 5 ) has announced that one of the three pillars of the project will be antibody-based, with one of the aims being to generate antibodies to at least one representative protein from all protein-coding genes. (mcponline.org)
  • Comparative genome analysis proposes that the psychrophilic behavior stems from a set of synergistic modifications in the overall genome content and amino acid composition, rather than a specific collection of genes responsible for such cold adaption. (kenyon.edu)
  • Our data indicated that OPP upregulated the transcription of genes encoding ribosomal, virulence and membrane transport proteins after both treatment times. (biomedcentral.com)
  • Zou J, Wang R, Li R, Kong Y, Wang J, Ning X, Zhang L, Wang S, Hu X, Bao Z. The genome-wide identification of mitogen-activated protein kinase kinase (MKK) genes in Yesso scallop Patinopecten yessoensis and their expression responses to bacteria challenges. (umassmed.edu)
  • The ensuing binding of activated HSF1 to specific promoter regions of genes encoding by definition for heat-shock proteins (HSPs) typically leads to the massive accumulation, within half an hour, of new HSP messenger RNAs (mRNAs) (Finka et al. (springer.com)
  • Yet, many nonchaperone genes, such as genes encoding for detoxifying enzymes of reactive oxygen species, may also become massively expressed under heat shock (Finka et al. (springer.com)
  • Heat shock showed the induction of several known chaperone genes. (biomedcentral.com)
  • Cold shock altered the expression of genes in lipid metabolism and stress proteins. (biomedcentral.com)
  • There are hundreds of receptors that mediate their intracellular effects through this pathway, yet only 16 genes are known to encode heterotrimeric G-protein α-subunits in mammals ( N eer 1995 ). (genetics.org)
  • High-resolution, two-dimensional protein gel electrophoresis showed that synthesis of the corresponding proteins, both CspA1 and CspA2, was apparent after only 10 min of cold shock from 30°C to 10°C. The data demonstrate an extraordinary capacity of the psychrotolerant Y. enterocolitica to produce major cold shock proteins upon cold shock. (asm.org)
  • This has led to the suggestion that the cold shock response is an adaptive mechanism facilitating protein synthesis at low temperature ( 25 ) and, as reported recently, at early exponential-phase growth ( 4 ). (asm.org)
  • Ssb binds to translating ribosomes and can be crosslinked to the nascent chain (18 19 This association in addition to the fact that strains lacking Ssb are hypersensitive to certain inhibitors of protein synthesis suggests that this class of Hsp70s may be involved in translation and/or very early folding events around the ribosome. (cylch.org)
  • and interfere with cell wall synthesis or macromolecular biosynthesis, including DNA, RNA, and protein synthesis ( 7 ). (asm.org)
  • In the enteric bacterium Escherichia coli , temperature upshifts and other types of stress induce the synthesis of heat shock proteins belonging to the ς 32 regulon if misfolded proteins accumulate in the cytoplasm and to the ς E regulon if damage is sustained by the outer membrane or in the periplasm ( 16 ). (asm.org)
  • In contrast, exposure to low temperatures leads to a transient shutdown of general protein synthesis and high-level accumulation of cold shock proteins whose Eς 70 -synthesized transcripts contain characteristic 5′ untranslated regions that play a central role in posttranscriptional regulation ( 27 ). (asm.org)
  • Increased synthesis of selected proteins in Drosophila cells following stresses such as heat shock was first reported in 1974. (wikipedia.org)
  • also assert that the fact that proteins involved in translation in V . metschnikovii remained unchanged under normal conditions but highly expressed under cold stress indicates that the bacteria uses protein synthesis to resist cold stress. (thermofisher.com)
  • Three mechanisms contribute to this resistance: (i) phagocytosis of invading microorganisms by blood cells, (ii) proteolytic cascades leading to localized blood clotting, melanin formation, and opsonization, and (iii) transient synthesis of potent antimicrobial peptides. (sciencemag.org)
  • Here, we describe, for the first time, the design and use of peptide arrays covering all human proteins for the analysis of antibody specificity, based on parallel in situ photolithic synthesis of a total of 2.1 million overlapping peptides. (mcponline.org)
  • Other cell features characteristic to cold adaption involve cell membrane fluidity and coding sequences for polyunsaturated fatty acid synthesis as well as a fatty acid cis/trans isomerase, which both aide in increasing cell membrane fluidity. (kenyon.edu)
  • Consequently, a protective response involving the upregulation of translation leading to the increased synthesis of membrane related proteins and virulence proteins is possibly induced after both treatment times. (biomedcentral.com)
  • Classic semiquantitative proteomic methods have shown that all organisms respond to a mild heat shock by an apparent massive accumulation of a small set of proteins, named heat-shock proteins (HSPs) and a concomitant slowing down in the synthesis of the other proteins. (springer.com)
  • Classic pulse-chase experiments with 35 S-methionine have shown that heat shock (HS) generally causes cell growth arrest and the slowing down of the steady-state synthesis of most housekeeping proteins, such as the ribosomal proteins, while concomitantly, a few specific HSPs accumulate massively (Lewis et al. (springer.com)
  • The protein with the highest fold change in the presence of maize root exudates during the late exponential growth phase was acetolactate synthase (AlsS), an enzyme involved in the synthesis of the volatile acetoin, known as an inducer of systemic resistance against plant pathogens and as a trigger of plant growth. (microbiologyresearch.org)
  • The generation of a new proteostasis network implies an immediate role in protein synthesis, folding, disaggregation, or degradation, processes that encompass the translational machinery, molecular chaperones and their associated cochaperones, the ubiquitin-proteasome machinery, and the autophagy system. (oatext.com)
  • Mechanism‐related changes in the gene transcription and protein synthesis pattern of Haemophilus influenzae after treatment with transcriptional and translational inhibitors. (currentprotocols.com)
  • Consolidation of extinction learning in other paradigms requires protein synthesis, but the involvement of protein synthesis in extinction of conditioned fear remains unclear. (jneurosci.org)
  • Here, we show that rats infused intraventricularly with the protein synthesis inhibitor anisomycin extinguished normally within a session but were unable to recall extinction the following day. (jneurosci.org)
  • Quirk, 2002 ), suggesting the involvement of gene expression and protein synthesis. (jneurosci.org)
  • If memory for fear extinction depends on protein synthesis, which structure(s) consolidates and stores extinction memory? (jneurosci.org)
  • To address this issue, we first infused ANISO intraventricularly to determine whether consolidation of fear extinction requires protein synthesis anywhere in the brain. (jneurosci.org)
  • The testis-enhanced gene transcript (TEGT) family includes the testis-enhanced gene transcript proteins of mammals, which are expressed at high levels in the testis, the putative glutamate/aspartate binding proteins of plants and animals, the YccA protein of Escherichia coli and the YetJ protein of Bacillus subtilis. (wikipedia.org)
  • Single-copy gene fusions between the lacZ reporter gene and Escherichia coli strains containing promoters induced by cold shock ( cspA ), cytoplasmic stress ( ibp ), or protein misfolding in the cell envelope (P3 rpoH ) were constructed and tested to determine their ability to detect antibacterial agents while simultaneously providing information on their cellular targets. (asm.org)
  • The majority of studies of microbiological cold adaptation mechanisms have focused on the cold stress response of mesophilic model organisms, such as Escherichia coli , Bacillus subtilis , and Saccharomyces cerevisiae . (g3journal.org)
  • A gene coding for a Csp-family protein, cspB, was cloned from an arctic bacterium, Polaribacter irgensii KOPRI 22228, and overexpression of cspB greatly increased the freeze-survival rates of Escherichia coli hosts, to a greater level than any previously reported Csp. (bvsalud.org)
  • di Guan C, Li P, Riggs PD, Inouye H (1988) Vectors that facilitate the expression and purification of foreign peptides in Escherichia coli by fusion to maltose-binding protein. (springer.com)
  • Proteins in a partially fractionated Escherichia coli extract that interact with the nascent RNA in active transcription complexes from several promoters were detected using the photocrosslinking ribonucleotide analogs 5-(azidophenacyl)thio-UTP or 5-(azidophenacyl)thio-CTP as transcription substrates. (elsevier.com)
  • When the open reading frame encoding mAP was cloned and expressed in recombinant Escherichia coli , the mature mAP was secreted to the periplasm and lacks an 81-amino-acid N-terminal Tat signal peptide. (biomedcentral.com)
  • Here, we have used advanced NMR spectroscopy techniques to investigate at atomic resolution the RNA-melting activity of CspA, the major cold shock protein of Escherichia coli, upon binding to different RNA hairpins. (univ-grenoble-alpes.fr)
  • It also preserved the characteristic elastin-like peptides inverse phase transitioning allowing the recombinant protein to be expressed in bacterial hosts (such as Escherichia coli ) and purified rapidly and easily using inverse temperature cycling. (pnas.org)
  • Protein expression using bacterial systems has advanced substantially over the past few decades, but Escherichia coli is still the most commonly utilized expression host, despite issues related to protein solubility. (omicsonline.org)
  • Many systems are used to produce heterologous proteins in bacteria, but Escherichia coli is frequently used since it is easy to manipulate and has a short life cycle. (omicsonline.org)
  • In murine systems, vaccination with heat shock proteins (HSPs) 5 such as glucose-regulated protein (GP)96, HSP70, and HSP90 from cancer tissues but not from normal tissues induces specific immunity and CTL activation ( 1 ). (jimmunol.org)
  • The specificity of the induced CTLs relies on the peptides chaperoned by these HSPs ( 2 , 3 ). (jimmunol.org)
  • HSPs are classified into several families of sequence-related proteins. (jimmunol.org)
  • For example, Hsp60, Hsp70 and Hsp90 (the most widely studied HSPs) refer to families of heat shock proteins on the order of 60, 70 and 90 kilodaltons in size, respectively. (wikipedia.org)
  • However, some studies suggest that an increase in damaged or abnormal proteins brings HSPs into action. (wikipedia.org)
  • Here, we report up-regulation of numerous putative hsps, including members of the small heat shock protein (three members), hsp40 (two members), hsp70 (eight members), and hsp90 (one member) families (Dataset S1). (pdf-archive.com)
  • In addition to chaperone activity, hsps target damaged proteins to the proteasome to prevent accumulation of dysfunctional proteins and to recycle peptides and amino acids (25). (pdf-archive.com)
  • This treatment caused a minor across-the-board mass loss in many housekeeping proteins, which was matched by a mass gain in a few HSPs, predominantly cytosolic HSPCs (HSP90s) and HSPA8 (HSC70). (springer.com)
  • Cold, heat, water stress and blood feeding prompted the expression of heat shock proteins (Hsps). (mdpi.com)
  • The biological consequence was an exceptional increase of transcriptional activity for a family of proteins that, for this particular reason, were generically named heat-shock proteins (HSPs). (oatext.com)
  • HSPs form oligomeric complexes constitutively expressed under normal conditions (ranging up 5-10% of the total protein). (oatext.com)
  • Recently, while characterizing heat shock proteins (HSPs) of Streptococcus pneumoniae , we found that pneumococcal ClpL, a member of the Clp/Hsp100 family and a ClpB homologue of E. coli, is able to disaggregate denatured proteins without co-chaperone systems, such as the DnaK system. (omicsonline.org)
  • Our study demonstrates that tumor-derived heat shock protein (HSP)70 chaperones a tyrosinase peptide and mediates its transfer to human immature dendritic cells (DCs) by receptor-dependent uptake. (jimmunol.org)
  • Several heat shock proteins function as intra-cellular chaperones for other proteins. (wikipedia.org)
  • Protein folding in the ER requires other chaperones, including protein disulfide isomerase and calnexin, but does not utilize classes of chaperones found in other compartments in the cell. (asm.org)
  • In this article we review the basics of the stress response, summarize current controversies over the role of extracellular chaperones in inflammatory reactions and autoimmunity, and discuss the cytoprotective and immunoregulatory roles of heat-shock proteins, a challenging subject that may open a new avenue for the drug discovery and treatment of diseases related to autoimmune disturbs. (oatext.com)
  • Prominent examples of RNA chaperones are bacterial cold shock proteins (Csp) that have been reported to bind single-stranded RNA and DNA. (univ-grenoble-alpes.fr)
  • Several solutions, such as different host strains, different vectors, and incubation with co-chaperones, have been developed to minimize protein aggregation and ensure high-quality protein production. (omicsonline.org)
  • Methods for the production of high-quality, high-quantity proteins have largely been established by trial and error by changing various parameters, such as host strain, expression vector, protein sequences (without affecting the functional domain), chemical additions, and incubation with chaperones. (omicsonline.org)
  • In this review, we summarize several strategies commonly used to increase protein solubility with a focus on the effects of incubation with chaperones, especially pneumococcal ClpL, to improve protein production. (omicsonline.org)
  • Neither the number nor proportion of proteins in various categories differed significantly, with the exception of proteins categorized by Gene Ontology in pigmentation, biological regulation, transcription regulator activity and transporter activity. (thermofisher.com)
  • This 70-amino-acid polypeptide was shown to be induced 200-fold following a shift from 37 to 10°C ( 24 ) and was subsequently termed the major cold shock protein (MCSP) or CspA ( 10 ). (asm.org)
  • CspE has 69% amino acid sequence identity with the major cold shock protein in E. coli, CspA, which has been shown to bind to a DNA sequence designated the Y box, with the sequence 5'-ATTGG. (elsevier.com)
  • RNA binding and chaperone activity of the E. coli cold-shock protein CspA. (univ-grenoble-alpes.fr)
  • Finally, comparison of wild-type CspA with single-point mutants and small peptides yields insights into the complementary roles of aromatic and positively charged amino-acid side chains for the RNA chaperone activity of the protein. (univ-grenoble-alpes.fr)
  • Plusieurs peptides identifiés comme étant phosphorylés par la Casein Kinase 2 (CK2), une kinase connue pour être impliquée dans l'horloge circadienne des eucaryotes, proviennent de diverses protéines de liaison à l'ARN. (umontreal.ca)
  • Activation of the MPK3 and MPK6 mitogen-activated protein kinase pathway led to the transcriptional activation of the HEAT SHOCK PROTEIN17.6A gene. (plantphysiol.org)
  • A serine-threonine protein kinase family whose members are components in protein kinase cascades activated by diverse stimuli. (umassmed.edu)
  • This graph shows the total number of publications written about "Mitogen-Activated Protein Kinase Kinases" by people in this website by year, and whether "Mitogen-Activated Protein Kinase Kinases" was a major or minor topic of these publications. (umassmed.edu)
  • Below are the most recent publications written about "Mitogen-Activated Protein Kinase Kinases" by people in Profiles. (umassmed.edu)
  • Sekimoto H, Eipper-Mains J, Pond-Tor S, Boney CM. (alpha)v(beta)3 integrins and Pyk2 mediate insulin-like growth factor I activation of Src and mitogen-activated protein kinase in 3T3-L1 cells. (umassmed.edu)
  • Role of protein kinase C during insulin mediated skeletal muscle cell spreading. (umassmed.edu)
  • The PAP(S)-binding site and the oligosaccharide-binding sites provide dual opportunities for the screening, identification and rational design of small molecule inhibitors of this enzyme, which include the highly sulfated polyanionic drug suramin and the promiscuous protein kinase inhibitor rottlerin. (biochemj.org)
  • Rottlerin competes with the PAPS co-factor in sulfotransferases, opening the door for the discovery and optimisation of other kinase inhibitors that inhibit these classes of enzyme, including protein tyrosine sulfotransferases (TPSTs). (biochemj.org)
  • One of the best understood signal transduction pathways activated by receptors containing seven transmembrane domains involves activation of heterotrimeric G-protein complexes containing Gsα, the subsequent stimulation of adenylyl cyclase, production of cAMP, activation of protein kinase A (PKA), and the phosphorylation of substrates that control a wide variety of cellular responses. (genetics.org)
  • Several studies have reported that the secretory production of recombinant proteins fused their N-terminus to a signal peptide has been employed to resolve the problem. (springer.com)
  • However, subsequent analysis using recombinant proteins suggests that these linear epitopes have a strict conformational component, thus giving us new insights regarding how antibodies bind to their antigens. (mcponline.org)
  • Additionally, extensive genetic tools have been developed to facilitate the production of recombinant proteins. (omicsonline.org)
  • Thus, E. coli has been the first choice for the production of recombinant proteins [1]. (omicsonline.org)
  • However, the use of E. coli as a host has a few limitations: 1) recombinant proteins may fail to form an appropriate conformational structure and 2) proteins that are produced in a large quantity tend to aggregate to form an insoluble inclusion body, which lacks structure and function. (omicsonline.org)
  • Thus, we suggest that it is highly feasible to produce recombinant proteins in E. coli by co-expressing ClpL. (omicsonline.org)
  • In particular, cold-stressed cells had greater amounts of cold shock and ribosomal proteins, and decreased proteins involved in energy conversion and metabolism. (thermofisher.com)
  • Specifically, cold shock proteins, elongation factors, chaperone proteins, ribosomal proteins, outer membrane proteins, and some proteins related to energy conversion and metabolism were the most abundant. (thermofisher.com)
  • The authors compared their study of V . metschnikovii to other studies of bacteria exposed to cold shock and noted their ribosomal proteins increased similarly. (thermofisher.com)
  • Human tumor-derived HSP70 peptide complexes (HSP70-PC) thus have the immunogenic potential to instruct DCs to cross-present endogenously expressed, nonmutated, and tumor antigenic peptides that are shared among tumors of the melanocytic lineage for T cell recognition. (jimmunol.org)
  • T cell stimulation by HSP70-instructed DCs is dependent on the Ag bound to HSP70 in that only DCs incubated with HSP70-PC purified from tyrosinase-positive (HSP70-PC/tyr + ) but not from tyrosinase-negative (HSP70-PC/tyr − ) melanoma cells resulted in the specific activation of the HLA-A*0201-restricted tyrosinase peptide-specific cytotoxic T cell clone. (jimmunol.org)
  • HSP70-PC-mediated T cell stimulation is very efficient, delivering the tyrosinase peptide at concentrations as low as 30 ng/ml of HSP70-PC for T cell recognition. (jimmunol.org)
  • Among them, based on protein expression levels, the HSP70 family consists of the constitutively expressed HSP (HSC70) and the heat-inducible HSP (HSP70) 70-kDa proteins. (jimmunol.org)
  • As shown in Table ?Table2 2 Ssb was not stimulated by CMLA or any of the peptides tested which are clearly capable of stimulating one or more other Hsp70 subfamily users. (cylch.org)
  • Cer1p/Lhs1p/Ssi1p is a novel Hsp70-related protein that is important for the translocation of a subset of proteins into the yeast Saccharomyces cerevisiae endoplasmic reticulum. (asm.org)
  • Cer1p has very limited amino acid identity to the hsp70 chaperone family in the N-terminal ATPase domain but lacks homology to the highly conserved hsp70 peptide binding domain. (asm.org)
  • Cer1p peptide binding and oligomerization could be disrupted by addition of ATP, confirming that Cer1p possesses a functional ATP binding site, much like Kar2p and other members of the hsp70 family. (asm.org)
  • Since Kar2p is a member of the highly conserved hsp70 family, it is believed to chaperone protein folding in a manner similar to that used by other family members, although no study of this mechanism has been published. (asm.org)
  • The mechanism of hsp70-dependent protein folding has been best studied by using the bacterial hsp70, DnaK. (asm.org)
  • Title: Muramyl peptides activate innate immunity conjointly via YB1 and NOD2. (nih.gov)
  • Since the discovery of inducible antimicrobial peptides in the moth Hyalophora cecropia by Boman and associates in 1981 ( 5 ), 400 peptides have been reported to participate in innate immunity, not only in insects but in all multicellular organisms that were investigated, including humans and plants. (sciencemag.org)
  • A few of the others, bearing no signal peptide, have been described as elicitors of plant innate immunity, including flagellin proteins, cold-shock proteins and the elongation factor Tu, suggesting that B. amyloliquefaciens FZB42 protects plants against disease by eliciting innate immunity. (microbiologyresearch.org)
  • Negative control of BAK1 by protein phosphatase 2A during plant innate immunity. (tsl.ac.uk)
  • Whereas information on the involvement of blood cells and of proteolytic cascades in Drosophila immunity is still fragmentary, much has been learned in recent years about the structure and regulated expression of the inducible antimicrobial peptides, and we will restrict our analysis here to this facet of the host defense ( 3 ). (sciencemag.org)
  • In addition to this systemic response, Drosophila also produces antimicrobial peptides locally, in barrier epithelia ( 4 ). (sciencemag.org)
  • 0.05 versus the parental strain), and (vi) increased cross-resistance to the cationic antimicrobial host defense peptides human neutrophil peptide 1 (hNP-1) and thrombin-induced platelet microbicidal protein 1 (tPMP-1). (asm.org)
  • In general, the feasibility of this approach largely depends on the secretory pathway of signal peptide and the type of target protein to be secreted. (springer.com)
  • Therefore, DsbA is the optimal signal peptide partner to fuse with lipBJ10 to efficiently produce soluble and functional protein. (springer.com)
  • The Bacillus subtilis cold shock (CS)-inducible gene, cspB, encoding the nucleic-acid-binding, major CS protein CspB, is located at about 80° on the B. subtilis genetic map. (elsevier.com)
  • Proteins secreted by Bacillus amyloliquefaciens FZB42, a root-associated plant growth-promoting rhizobacterium, are thought to play an important role in the establishment of beneficial interactions with plants. (microbiologyresearch.org)
  • RocR, a novel regulatory protein controlling arginine utilization in Bacillus subtilis , belongs to the NtrC/NifA family of transcriptional activators. (microbiologyresearch.org)
  • This study was performed to compare and optimize signal peptides for efficient secretion of thermostable lipase lipBJ10 from Pseudomonas fluorescens BJ-10. (springer.com)
  • We recently described active secretion of a family member, denoted Y-box (YB) protein-1. (biomedcentral.com)
  • Out of the 121 proteins identified by MALDI-TOF MS, 61 were predicted to contain secretion signals. (microbiologyresearch.org)
  • Such improved phenotypes may include, but are not limited to, improved secretion or production of a protein or compound, reduced or no secretion or production of a protein or compound, improved or reduced expression of a gene, desirable morphology, an altered growth rate under desired conditions, relief of over-expression mediated growth inhibition, or tolerance to low oxygen conditions. (maltepecilingir.biz)
  • Inverse PCR was used to amplify major cold shock protein (MCSP) gene families from a diverse range of bacteria, including the psychrotolerant Yersinia enterocolitica , which was found to have two almost identical MCSP coding regions ( cspA1 and cspA2 ) located approximately 300 bp apart. (asm.org)
  • Fungi are better adapted to cold habitats than bacteria in solid media ( Panikov and Sizova 2007 ). (g3journal.org)
  • As eukaryotes, fungi are quite different from bacteria in terms of their cold adaptation mechanism. (g3journal.org)
  • Heat shock proteins have been found in all species examined, from bacteria to humans, suggesting that they evolved very early and have an important function. (wikipedia.org)
  • The mechanism by which heat-shock (or other environmental stressors) activates the heat shock factor has been determined in bacteria. (wikipedia.org)
  • In addition, cold shock protein (Csp) in the strain and the survival of the bacteria with temperature downshift after freezing were primarily studied. (tsijournals.com)
  • Many publications show the functions of cold shock proteins (Csp) in the adaptation process of bacteria to new environmental conditions, especially in temperature downshift [ 5 ]. (tsijournals.com)
  • After a rapid temperature downshift, cold shock proteins regulate the adaptation of bacteria to cold stress [ 6 ]. (tsijournals.com)
  • Cold stress can enhance the virulence of some bacteria. (thermofisher.com)
  • Further quantitative real-time reverse transcription polymerase chain reaction (qRT-PCR) analysis identified and quantified 2,066 proteins with an overlap of 1,743 proteins between the control and cold-stressed bacteria. (thermofisher.com)
  • In the cold challenging environment of the permafrost, bacteria have found a way to survive and grow for thousands to millions of years. (caister.com)
  • Namely, the inevitable selection of bacteria occurs in each artificial cold environment and the successive changes in microbiota occur according to changes in environmental factors. (caister.com)
  • Using sequence profile searches we identify a novel domain in these proteins that is widely conserved across eukaryotes and bacteria. (biomedcentral.com)
  • Both bacteria and eukaryotes encode a conserved family of proteins that combines this predicted RNA-binding domain with a previously uncharacterized domain (DUF88). (biomedcentral.com)
  • Protein post-translational modifications in bacteria. (uni-tuebingen.de)
  • Initial work showed that when an exponential-phase culture of E. coli is shifted from 37 to 10°C, a novel set of at least 13 proteins is induced ( 24 ). (asm.org)
  • In contrast to the relatively minor level of induction (2- to 10-fold) observed for most cold shock proteins during a temperature downshift in E. coli , the induction of a novel protein (initially designated as F10.6) was found to be considerably higher ( 24 ). (asm.org)
  • This product does not cross-react with proteins derived from E. coli or the TF (Trigger Factor) tag. (clontech.com)
  • In 1990, Van Bogelen and Neidhardt reported that when antibiotics targeting the prokaryotic ribosome were added to the growth medium of E. coli cultivated at 37°C, induction of either heat shock proteins or cold shock proteins was observed depending on whether the A site of the ribosome was empty or occupied ( 29 ). (asm.org)
  • PelB and five native E. coli signal peptides, as fusion partners produced more soluble and functional recombinant lipBJ10 than non-fusion expression. (springer.com)
  • Recombinant lipBJ10, fused to these six diverse signal peptides, was secreted into the periplasm in E. coli . (springer.com)
  • the other four E. coli signal peptides, to some extent, led to low activity and insoluble inclusion bodies. (springer.com)
  • It also suppressed the cold-sensitivity of an E. coli csp-quadruple deletion strain, BX04. (bvsalud.org)
  • Using a smaller PrS-tag, consisting of a single N-terminal domain of protein S, triple resonance experiments were performed, and most of the backbone 1 H, 15 N and 13 C resonance assignments for full-length E. coli RbfA were determined. (springer.com)
  • Hanna, MM & Liu, K 1998, ' Nascent RNA in transcription complexes interacts with CspE, a small protein in E. coli implicated in chromatin condensation ', Journal of Molecular Biology , vol. 282, no. 2, pp. 227-239. (elsevier.com)
  • Intracellular Signaling Peptides and Proteins" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (harvard.edu)
  • Intracellular signaling peptide and proteins may be part of an enzymatic signaling cascade or act through binding to and modifying the action of other signaling factors. (harvard.edu)
  • This graph shows the total number of publications written about "Intracellular Signaling Peptides and Proteins" by people in Harvard Catalyst Profiles by year, and whether "Intracellular Signaling Peptides and Proteins" was a major or minor topic of these publication. (harvard.edu)
  • Below are the most recent publications written about "Intracellular Signaling Peptides and Proteins" by people in Profiles. (harvard.edu)
  • The author has proposed elsewhere that the heat-shock response evolved very early as part of an intracellular system for self/not-self discrimination. (queensu.ca)
  • Assignment of Homology to Genome Sequences using a Library of Hidden Markov Models that Represent all Proteins of Known Structure. (supfam.org)
  • Sequence completion of this genome has revealed Colwellia' s significant role in bioremediation, carbon and nutrient cycling, production of secondary metabolites, and cold-adapted enzymes. (kenyon.edu)
  • Thus, over 55% of all proteins in the genome remain functionally uncharacterized. (biomedcentral.com)
  • Despite their adaptations to the cold, genome-wide studies have not yet been performed on these fish due to the lack of a sequenced genome. (biomedcentral.com)
  • Comparative genome-wide analysis with other fish genomes shows that mitochondrial proteins and hemoglobin evolved rapidly. (biomedcentral.com)
  • Here we discuss the sequencing and analysis of the genome of the Antarctic bullhead notothen, N. coriiceps , and report transcriptome analysis from RNA-seq experiments conducted to explore temperature challenges involved in cold-adapted evolution. (biomedcentral.com)
  • Genome sequences, proteomic, and transcriptomic studies suggest various adaptive features to maintain adequate translation and proper protein folding under cold conditions. (hindawi.com)
  • The dramatic upregulation of the heat shock proteins is a key part of the heat shock response and is induced primarily by heat shock factor (HSF). (wikipedia.org)
  • sHSPs independently express not only in heat shock response but also have developmental roles in embryonic or juvenile stages of mammals, teleost fish and some lower vertebral genomes. (wikipedia.org)
  • This study is dedicated in memory of Ferruccio Ritossa (1936-2014), a great sculptor of biology who discovered the heat-shock response. (springer.com)
  • This paper proposes that the rapid decrease in quantity of most normal proteins occurring in the heat-shock response would have provided a sufficient selective force for the margin of safety to have evolved. (queensu.ca)
  • Representative adaptations to this harsh environment include a constitutive heat shock response and the evolution of an antifreeze protein in the blood. (biomedcentral.com)
  • Loss of the phosphorylation-dependent sumoylation motif in heat shock factor 1 suggests that the heat shock response evolved into a simple and rapid phosphorylation-independent regulatory mechanism. (biomedcentral.com)
  • Rapidly evolved hemoglobin and the induction of a heat shock response in the blood may support the efficient supply of oxygen to cold-adapted mitochondria. (biomedcentral.com)
  • Accumulation of denatured proteins during heat stress consumes HSP90 and releases HSF1 from the complex, which then undergoes phosphorylation, sumoylation, and trimerization prior to its nuclear import. (plantphysiol.org)
  • Immunization with HSP peptide complexes (HSP-PC) is exquisitely dependent on the presence of functional APCs in the immunized host, since depletion of such cells renders the host incapable of mounting immune responses after injection of HSP-PC preparations ( 8 ). (jimmunol.org)
  • Immunization with the GAD65-specific peptides did not block IDDM development in NOD mice deficient in IL-4 expression. (jimmunol.org)
  • Parenteral immunization with autoAg-specific peptides is a further means of enhancing the specificity of T cell tolerization protocols. (jimmunol.org)
  • Therefore, it has been proposed that immunization with heat-shock protein peptides could prevent the development of certain diseases. (oatext.com)
  • The use of MHC class II-restricted peptides to tolerize autoreactive CD4 + T cells reduces the possibility of eliciting pathogenic autoantibodies and/or cross-reactivity with other self proteins. (jimmunol.org)
  • It is important to gain basic insights regarding the binding sites (epitopes) of antibodies and potential cross-reactivity to nontarget proteins. (mcponline.org)
  • Cross-reactivity between a streptococcal 60- to 65-kd heat shock protein (hsp) and the oral mucosa has been demonstrated, and significantly elevated levels of serum antibodies to hsp are found in patients with RAS. (drjeanlayton.com)
  • A simpler enzyme kinetic model presented here provides a better basis for understanding the possible role of heat-shock proteins in the evolution of dominance. (queensu.ca)
  • The range of changes in protein abundance was generally higher in leaves and chloroplast proteins were frequently affected which suggests a priority to protect photosynthetic apparatus. (mdpi.com)
  • This biochemical analysis is usually of particular interest because it suggests that it is not the B-like activity of the Ssb ATPase domain name that confers rescue of the cold-sensitive phenotype. (cylch.org)
  • The unprecedented level of freeze-tolerance conferred by P. irgensii CspB suggests a crucial role for this protein in survival in polar environments. (bvsalud.org)
  • The frequent detection of members of above-mentioned genera in artificial cold environments suggests that the important factors that define the existence of these genera in cold artificial environments are i) chances of invasion of such cold environments from ambient environments, ii) chances of invasion through their own basic components, iii) ability to rapidly propagate at low temperature and iv) presence or absence of oxygen. (caister.com)
  • The analysis suggests that linear epitopes are relatively short, confined to five to seven residues, resulting in apparent off-target binding to peptides corresponding to a large number of unrelated human proteins. (mcponline.org)
  • This result suggests that an interaction with the mature portion of the protein also is important for the translocation role of Cer1p. (asm.org)
  • The high degree of conservation of the binding interface in sequences of other CSP and the related eukaryotic Y-box proteins suggests, that these proteins do not only have a common ancestor but also share a common mode of ligand binding and display similar binding preferences. (fu-berlin.de)
  • Solution structure of the X4 protein coded by the SARS related coronavirus reveals an immunoglobulin like fold and suggests a binding activity to integrin I domains. (hhu.de)
  • 1 (2015) used comparative proteomics to study V. metschnikovii exposed to cold stress. (thermofisher.com)
  • It significantly boosted the number of proteins analyzable per hour and has now evolved into a proteomics analysis workhorse for many laboratories. (mcponline.org)
  • Mass spectrometry (MS)-based 1 proteomics aims at the comprehensive analysis of proteins present in a biological sample ( 1 ), and the field has expanded in many surprising directions ( 2 ). (mcponline.org)
  • If we further consider all the peptides produced in bottom-up proteomics experiments, this hurdle is compounded, as ideally many hundreds of thousands of analytes should be characterized in order for the proteins giving rise to them to be fully reconstructed ( 6 ). (mcponline.org)
  • Antibodies are used in proteomics both as imaging reagents for the analysis of tissue specificity ( 1 ) and subcellular localization ( 2 ) and as capturing agents for targeted proteomics ( 3 ), in particular for the enrichment of peptides for immunoaffinity methods such as Stable Isotope Standards and Capture by Anti-peptide Antibodies ( 4 ). (mcponline.org)
  • Knowledge about the binding site (epitope) of an antibody toward a target protein is thus important for gaining basic insights into antibody specificity and sensitivity and facilitating the identification and design of antigens to be used for reagents in proteomics, as well as for the generation of therapeutic antibodies and vaccines ( 1 , 6 ). (mcponline.org)
  • We used here high-throughput quantitative proteomics and targeted mRNA quantification to estimate in human cell cultures the mass and copy numbers of the most abundant proteins that become significantly accumulated, depleted, or unchanged during and following 4 h at 41 °C, which we define as mild heat shock. (springer.com)
  • 2D-DIGE quantitative proteomics comparing the soluble proteomes of sensitive and HePC resistant L. donovani lines identified a protein of interest tentatively involved in drug resistance. (biomedcentral.com)
  • These strategies depend on a plethora of diverse signaling pathways, involving a broad spectrum of molecules, including enzymes, transcription factors, and other proteins associated with plant defense systems. (frontiersin.org)
  • Identification of a number of these cold shock proteins has revealed several polypeptides that are involved in transcription and translation. (asm.org)
  • Cette analyse a révélé une faible abondance des facteurs de transcription et une surprenante prédominance, parmi ceux-ci, des séquences à domaine Cold Shock. (umontreal.ca)
  • Petersen and Mitchell found that in D. melanogaster a mild heat shock pretreatment which induces heat shock gene expression (and greatly enhances survival after a subsequent higher temperature heat shock) primarily affects translation of messenger RNA rather than transcription of RNA. (wikipedia.org)
  • The most common mechanism of Csp function in cold adaption is melting of the secondary structures in RNA and DNA molecules, thus facilitating transcription and translation at low temperatures. (bvsalud.org)
  • Upon irradiation of ternary transcription complexes, several extract proteins were crosslinked to the RNA. (elsevier.com)
  • Included here are peptides and proteins that regulate the activity of TRANSCRIPTION FACTORS and cellular processes in response to signals from CELL SURFACE RECEPTORS. (harvard.edu)
  • 2012 ). Within seconds, heat initiates a heat-shock signaling cascade involving Ca 2+ -activated calmodulin kinases, which in turn activate the heat-shock transcription factor-1 (HSF1) (Bromberg et al. (springer.com)
  • The bacterial cold shock proteins (CSP) are essential players in bacterial cold shock response. (fu-berlin.de)
  • Analysis of the transcriptional regulation of this MCSP gene in Y. enterocolitica , performed by using both reverse transcriptase-PCR and Northern blot assays, showed there to be two cold-inducible mRNA templates arising from this locus: a monocistronic template of approximately 450 bp ( cspA1 ) and a bicistronic template of approximately 900 bp ( cspA1/A2 ). (asm.org)
  • The ratio of bicistronic to monocistronic mRNA changed with time after cold shock and was higher when cells were shocked to a lower temperature. (asm.org)
  • Alternative forms of Y-box binding protein 1 and YB-1 mRNA. (nih.gov)
  • The ribosome synthesizes proteins according to the sequence of the messenger RNA (mRNA) by progressively adding amino acids to the C-terminus of the nascent peptide. (elifesciences.org)
  • Eukaryotic Y-box proteins also regulate gene expression at the translational level through their recognition of RNA, and therefore play critical roles in both mRNA turnover and translational control. (elsevier.com)
  • Characterization of the Hn aureus heat shock, cold shock, stringent, and SOS responses and their effects on log-phase mRNA turnover. (maltepecilingir.biz)
  • MCSPs are extremely widespread in eubacteria (reference 8 and this study) and belong to the most conserved group of nucleic acid-binding proteins yet defined in nature: the cold shock domain (CSD) proteins ( 40 ). (asm.org)
  • Decreased membrane fluidity, uninvited secondary structure formation in nucleic acids, and protein cold-denaturation all occur at cold temperatures. (bvsalud.org)
  • The Y-box binding protein (YB-1) represents the most evolutionary conserved nucleic acid binding protein. (elsevier.com)
  • These small proteins (65 - 70 amino acids) bind single- stranded nucleic acids with micromolar to nanomolar KD values. (fu-berlin.de)
  • A subcategory of protein tyrosine phosphatases that contain SH2 type SRC HOMOLOGY DOMAINS. (harvard.edu)
  • Several proteins, including the glycine-rich protein (GRP) superfamily, are involved in cellular stress responses and signaling. (frontiersin.org)
  • Analysis of the predicted gene products encoded by the 74A4 sequence and those derived from a temperate, deepwater planktonic crenarchaeote (fosmid 4B7) revealed many typical archaeal proteins but also several proteins that so far have not been detected in archaea. (asm.org)
  • Irrespective of their asymmetrical partitioning, the nuage complex contains several proteins that are conserved throughout animal evolution. (biomedcentral.com)
  • To investigate the possible role of proteins in this process, extracellular proteome maps of B. amyloliquefaciens FZB42 during the late exponential and stationary growth phases were generated using 2D gel electrophoresis. (microbiologyresearch.org)
  • In addition to numerous components in immune responses, chaperone proteins are also detected in the extracellular fluids and have been implicated in autoimmune and inflammatory diseases acting as pro- and anti-inflammatory factors. (oatext.com)
  • Split target specificity of ResT: a design for protein delivery, site selectivity and regulation of enzyme activity? (wiley.com)
  • Cellular proteins and peptides that are induced in response to cold stress. (rush.edu)
  • For example, during periods of dehydration, heat shock proteins are up-regulated to minimize protein damage (4), whereas aquaporins mediate water movement between cellular compartments (5). (pdf-archive.com)
  • Many of the proteins in this class are recruited to specific cellular targets such as a cell surface receptor complexes via their SH2 domain. (harvard.edu)
  • Our data and analysis suggest that evolutionary strategies in efficient aerobic cellular respiration are controlled by hemoglobin and mitochondrial proteins, which may be important for the adaptation of Antarctic fish to their environment. (biomedcentral.com)
  • In the first stages of the secretory pathway, proteins translocate into and fold in the endoplasmic reticulum (ER). (asm.org)
  • Protein and nitrogen metabolic processes have been influenced by low temperature to a similar extent in both tissues while catabolism, carbohydrate metabolism and proteins involved in stress response have been more affected in crowns than in leaves. (mdpi.com)
  • Although the participation of GRPs in plant stress response has been indicated in numerous model and non-model plant species, relatively little is known about the key physiological processes and molecular mechanisms in which those proteins are engaged. (frontiersin.org)
  • Temperature shifts are easy to simulate in the laboratory, and the physiological and molecular response to cold stress gained our interest ( 15 ). (asm.org)
  • It is generally accepted that the cold stress response consists of two phases: an immediate, transient shock response and the subsequent delayed acclimatization response. (asm.org)
  • The death of M. psychrophila above 20° might be caused by an unfolded protein response. (g3journal.org)
  • Heat shock proteins (HSP) are a family of proteins that are produced by cells in response to exposure to stressful conditions. (wikipedia.org)
  • Expression of the hspb4 gene, which codes for alpha crystallin, increases considerably in the lens in response to heat shock. (wikipedia.org)
  • As a consequence, the heat shock proteins are also referred to as stress proteins and their upregulation is sometimes described more generally as part of the stress response. (wikipedia.org)
  • However, little research has investigated the molecular response of V. metschnikovii during adaptation and growth under cold temperatures that allow it to thrive and therefore risk food safety. (thermofisher.com)
  • Mild-to-moderate hypothermia (28-32 °C) induces cold-shock protein expression and mild endoplasmic reticulum (ER) stress in hCNs, with full activation of the unfolded protein response (UPR). (ed.ac.uk)
  • Approximately 34 proteins were differentially secreted in response to root exudates during either the late exponential or stationary phase. (microbiologyresearch.org)
  • With the purpose to protect proteins from misfolding, denaturation and/or aggregation, cells trigger a fast response characterized by a number of events able to protect them from the hostile environment, and restore a balanced and safe new steady-state of protein homeostasis commonly referred to as 'proteostasis' [ 1 , 2 ]. (oatext.com)
  • The stress response to heat-shock was originally described in the early '60s by the Italian researcher Ferruccio Ritossa [ 4 ]. (oatext.com)
  • Transcriptome analysis of thermal stress responses find alternative response mechanisms for evolution strategies in a cold environment. (biomedcentral.com)
  • Enzymes of this type have been associated with the defence against fungal attack but they are also implicated in many other processes in fruit including ripening, seed germination and response to cold and ozone. (spectroscopynow.com)
  • Many of the proteins that were not altered after wounding were also associated with stress response, including others from the Mal d 1 group. (spectroscopynow.com)
  • Many members of this group perform chaperone functions by stabilizing new proteins to ensure correct folding or by helping to refold proteins that were damaged by the cell stress. (wikipedia.org)
  • Cold-stress thus preconditions neurons by upregulating adaptive chaperone-driven pathways of the UPR in a manner that precipitates ER-hormesis. (ed.ac.uk)
  • Unlike Sec63p, Scj1p possesses all the domains thought necessary to function as a DnaJ-like chaperone in protein folding ( 42 ). (asm.org)
  • Therefore, chaperone proteins that assist RNA in adopting their functionally active states are abundant in all living organisms. (univ-grenoble-alpes.fr)
  • An important feature of RNA chaperone proteins is that they do not require an external energy source to perform their activity, and that they interact transiently and non-specifically with their RNA targets. (univ-grenoble-alpes.fr)
  • So far, little is known about the mechanistic details of the RNA chaperone activity of these proteins. (univ-grenoble-alpes.fr)
  • Kwon HY, Park SS, Zia MF, Rhee DK (2016) Protein Expression via the Molecular Chaperone ClpL. (omicsonline.org)
  • Unlike the DnaK system, which requires an additional co-chaperone system to reinstate the natural conformation of denatured target proteins, pneumococcal ClpL is able to disaggregate denatured proteins independently, without requiring a co-chaperone system. (omicsonline.org)
  • Accordingly, ClpL could be a useful chaperone system to solubilize foreign proteins during protein overexpression. (omicsonline.org)
  • Here we report the molecular characterization of Out-cold ( Ocd ) mutants of Drosophila melanogaster , which produce a dominant, X-linked, cold-sensitive paralytic phenotype. (genetics.org)
  • The small 8-kilodalton protein ubiquitin, which marks proteins for degradation, also has features of a heat shock protein. (wikipedia.org)
  • Some of the microorganisms in these microbial communities are useful for the degradation of organic matter in cold environments and for food preservation. (caister.com)
  • Of these enzymes, whichfunction in peptide degradation, over half are expected to be located outside of the cytoplasm. (kenyon.edu)
  • However it is also possible that none of the peptides or DnaJs used in these assays interact with Ssb. (cylch.org)
  • Knowledge about an antibody's linear epitopes is also useful in, for instance, developing assays involving the capture of peptides obtained from trypsin cleavage of samples prior to mass spectrometry analysis. (mcponline.org)
  • Regarding approximately 600-700 distinct protein spots detected on 2D gels, there has been found at least a two-fold change after exposure to low temperatures in about 10% of proteins in leaves and 13% of proteins in crowns. (mdpi.com)
  • Owing to the fact that the overexpression of GRPs can confer tolerance to stress (e.g., some are involved in cold acclimation and may improve growth at low temperatures), these proteins could play a promising role in agriculture through plant genetic engineering. (frontiersin.org)
  • The switch to a fatty acid profile dominated by anteiso-C 15:0 and C 17:0 at low temperatures and the cold-sensitive phenotype of isoleucine-deficient strains in the absence of isoleucine focused our attention on the critical role of anteiso-branched fatty acids in the growth of B. subtilis in the cold. (asm.org)
  • Cold shock means micro-organisms transferred from a higher temperature ( e.g. , 37°) to a lower temperature ( e.g. , 10°) in a short time, while cold adaptation refers to a micro-organism that exists under a steady state for a long time at low temperatures. (g3journal.org)
  • Particularly unique to this organism is the production of cold-active enzymes which show distinct heat instability and optimal activity occurring at low temperatures. (kenyon.edu)
  • The fusion protein self-assembled into nanoparticles at physiological temperatures. (pnas.org)
  • Psychrophiles thriving permanently at near-zero temperatures synthesize cold-active enzymes to sustain their cell cycle. (hindawi.com)
  • Coping with our cold planet" [ 1 ], the title of this recent review unambiguously stresses a frequently overlooked aspect: the Earth's biosphere is predominantly cold and permanently exposed to temperatures below 5°C. Such low mean temperature mainly arises from the fact that 71% of the Earth's surface is covered by oceans that have a constant temperature of 2-4°C below 1000 m depth, irrespective of the latitude. (hindawi.com)
  • Psychrophiles thrive in permanently cold environments (in thermal equilibrium with the medium) and even at subzero temperatures in supercooled liquid water. (hindawi.com)
  • Homologues include a putative cold shock inducible protein and a SecY stabilizing protein. (wikipedia.org)
  • The molecular basis of cold tolerance and the roles played by cold-inducible proteins are still poorly understood. (asm.org)
  • Organisms use different numbers and types of desaturase enzymes (for a review, see reference 5 ), frequently having one housekeeping enzyme and other cold-inducible ones ( 10 , 11 , 29 ). (asm.org)
  • proposes that its C-terminal α-helical 20 amino acid peptide catalyzes Ca2+ flux both in vivo and in vitro. (wikipedia.org)
  • A conserved protein binding domain of approximately 80 amino-acid alpha crystallins are known as small heat shock proteins (sHSP). (wikipedia.org)
  • 2013. Amino Acid Substitutions in Cold-Adapted Proteins from Halorubrum lacusprofundi , an Extremely Halophilic Microbe from Antarctica. (umaryland.edu)
  • One of the key parameters for antibodies includes the nature of the binding recognition toward the target, involving either linear epitopes formed by consecutive amino acid residues or conformational epitopes consisting of amino acids brought together by the fold of the target protein ( 8 ). (mcponline.org)
  • Another interest of the lab concerns DNA replication and repair in Halobacterium , which employs both eukaryotic-type proteins (origin binding and single-stranded DNA binding, Orc and RPA) and bacterial-type proteins (nucleotide excision repair, UvrABC). (umaryland.edu)
  • The peptide binding is regulated by the state of the bound nucleotide. (asm.org)
  • The nucleotide state and hence the peptide binding properties are also regulated by accessory proteins, or cochaperones. (asm.org)
  • Seven mutants have been identified that are either complemented by transgenes representing the wild-type dgs gene or contain nucleotide sequence changes resulting in the production of altered Gsα protein. (genetics.org)
  • Most notably, a small protein was crosslinked to the RNA in complexes on seven of nine templates tested. (elsevier.com)
  • The mechanism by which the arthropod Oskar and vertebrate TDRD5/TDRD7 proteins nucleate or organize structurally related ribonucleoprotein (RNP) complexes, the polar granule and nuage, is poorly understood. (biomedcentral.com)
  • Perhaps the best understood example of this signal transduction pathway involves 7TMR coupling to heterotrimeric G-protein complexes containing α-subunits in the Gsα family, one of the first proteins in this family to be identified ( G ilman 1989 ). (genetics.org)
  • Structure of human immunodeficiency virus type 1 Vpr (34-51) peptide in micelle containing aqueous solution. (hhu.de)
  • Each of these phases can be characterized by a special set of cold-induced proteins, the cold shock proteins and the cold acclimatization proteins, respectively, with the cold shock proteins thought to play a major, not yet fully understood regulatory role in the mechanism of cold adaptation ( 12-15 , 46 ). (asm.org)
  • The cold adaptation mechanism of psychrophilic fungi remains unknown. (g3journal.org)
  • Some bacterial heat shock proteins are upregulated via a mechanism involving RNA thermometers such as the FourU thermometer, ROSE element and the Hsp90 cis-regulatory element. (wikipedia.org)
  • The mentioned changes have been monitored using two dimensional difference gel electrophoresis (2D-DIGE) with subsequent peptide-mapping protein identification. (mdpi.com)
  • Small cylinders of peel and fruit were cut out and the proteins were extracted for two-dimensional gel electrophoresis. (spectroscopynow.com)
  • Two‐dimensional electrophoresis of membrane proteins: A current challenge for immobilized pH gradients. (currentprotocols.com)
  • In one of the first studies of isolated intermediates in protein aggregation, we have used circular dichroism and fluorescence spectroscopy to characterize metastable oligomers that are formed in the early steps of β-lactoglobulin heat aggregation. (wiley.com)
  • The intermediates show typical molten globule characteristics (secondary structure content similar to the native and less tight packing of the side chains), in agreement with the belief that partly folded states play a key role in protein aggregation. (wiley.com)
  • Protein aggregation has important technical implications in biotechnology as well as in food science. (wiley.com)
  • 2000 ). β-Lactoglobulin (Blg) is one of these proteins presenting oligomers (mostly dimers) in the early stages of heat aggregation (Manderson et al. (wiley.com)
  • Bondos SE, Bicknell A. Detection and prevention of protein aggregation before, during, and after purification. (springer.com)
  • They play an important role in protein-protein interactions such as folding and assisting in the establishment of proper protein conformation (shape) and prevention of unwanted protein aggregation. (wikipedia.org)
  • During heat stress, outer membrane proteins (OMPs) do not fold and cannot insert correctly into the outer membrane. (wikipedia.org)
  • Lastly, Hidden Markov Model searches identified three protein family motifs, including cold shock domain proteins and fatty acid hydroxylases that were significantly associated with psychrotolerance in BHI broth. (elsevier.com)
  • Csp(s) are a family of proteins with molecular weights around 7 kDa and share a high degree of similarity in their sequences. (tsijournals.com)
  • Among the cold-induced proteins, cold shock protein (Csp) family proteins are the most prominent. (bvsalud.org)
  • YB-1 is a member of the cold shock domain(CSD) protein family. (elsevier.com)
  • A family of non-receptor, PROLINE-rich protein-tyrosine kinases. (umassmed.edu)
  • In the case of some G-proteins, the GTPase activity of the α-subunit can be stimulated by a family of proteins containing a conserved RGS domain ( D e V ries and G ist -F arquhar 1999 ). (genetics.org)
  • KGF also known as FGF-7 is a monomeric peptide belonging to the fibroblast growth factor family and plays a prominent role in epidermal morphogenesis and wound healing ( 7 ). (pnas.org)
  • Here, we review commonly used methods to increase protein solubility, with a focus on the Clp/Hsp100 family and pneumococcal ClpL, a novel member of the Clp/Hsp100 family that is highly induced in Streptococcus pneumoniae during heat shock. (omicsonline.org)
  • The presented mAP enzyme is the first thermolabile AP found in cold-adapted marine metagenomes and may be useful for efficient dephosphorylation of linearized DNA. (biomedcentral.com)
  • BI-1 is an ER-localized protein that protects against apoptosis and ER stress. (wikipedia.org)
  • This discovery eventually led to the identification of the heat-shock proteins (HSP) or stress proteins whose expression this puffing represented. (wikipedia.org)
  • Heat shock proteins often function as chaperons in the refolding of proteins damaged by heat stress. (wikipedia.org)
  • In agreement that mutation of serine-309 to alanine strongly diminished phosphorylation of HSFA4A, it also strongly reduced the transcriptional activation of HEAT SHOCK PROTEIN17.6A . These data suggest that HSFA4A is a substrate of the MPK3/MPK6 signaling and that it regulates stress responses in Arabidopsis. (plantphysiol.org)
  • In the absence of stress, human HSF1 is inactive and forms a cytoplasmic complex with the heat shock protein HSP90. (plantphysiol.org)
  • 2015) " Proteomic analysis of Vibrio metschnikovii under cold stress using a quadrupole Orbitrap mass spectrometer ," Research in Microbiology, 166(8) (pp. 618-625). (thermofisher.com)
  • Analyses of norepinephrine levels in thoracic ganglia, eyestalk , and hemolymph have indicated that CA could mediate hyperglycemia induced by cold shock stress in the giant prawnMacrobrachium rosenbergii (Hsieh et al. (thefreedictionary.com)
  • In vivo evaluation of hsp27 as an inhibitor of actin polymerization: hsp27 limits actin stress fiber and focal adhesion formation after heat shock. (umassmed.edu)
  • Schneider GB, Gilmore AP, Lohse DL, Romer LH, Burridge K. Microinjection of protein tyrosine phosphatases into fibroblasts disrupts focal adhesions and stress fibers. (umassmed.edu)
  • Stress management is accompanied by changes in gene expression which, in turn, modify the collection of metabolites and proteins that are present. (spectroscopynow.com)
  • Large increases in Mal d 1-like protein and Mal d 1.03G of 2.70- and 5.98-fold, respectively, were also consistent with reports of this type of protein being induced by stress and disease. (spectroscopynow.com)
  • Heat shock proteins and other proteins normally associated with stress were also unchanged, but these are normally associated with cold shock. (spectroscopynow.com)
  • Major contributors to the formation of intramolecular disulfides in proteins are thiol/disulfide oxidoreductases containing a conserved CxxC motif (two cysteines separated by two other residues), which in turn transfer reducing equivalents to adapter or membrane-bound oxidoreductases. (pianolarge.gq)
  • One of these proteins, TEGT or the Bax Inhibitor-1 (TC# 1.A.14.1.1), has a C-terminal domain that forms a Ca2+-permeable channel. (wikipedia.org)
  • For example rescue of the cold-sensitive phenotype requires the 44-kDa ATPase domain name from Ssb. (cylch.org)
  • 3371). ProS2 is an approximately 23 kDa soluble tandem-dimer peptide tag derived from the N-terminal domain of Protein S, a soluble protein that originates from the myxobacterium species Myxococcus xanthus . (clontech.com)
  • ProS2 is approximately 23 kDa and is a tandem-dimer peptide derived from the N-terminal domain of the soluble myxobacterium Myxococcus xanthus Protein S. It is also expressed in the cold shock expression vector pCold ProS2 DNA (Cat. (clontech.com)
  • Sequence analysis showed that this protein consists of a unique domain at its N-terminal end and a well conserved cold shock domain at its C-terminal end. (bvsalud.org)
  • SH2 Domain-Containing Protein Tyrosine Phosphatases" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (harvard.edu)
  • Below are the most recent publications written about "SH2 Domain-Containing Protein Tyrosine Phosphatases" by people in Profiles. (harvard.edu)
  • We show that in eukaryotes this domain is often combined in the same polypeptide with protein-protein- or lipid- interaction domains that might play a role in anchoring these proteins to specific cytoskeletal structures. (biomedcentral.com)
  • Thus, proteins with this domain might have a key role in the recognition and localization of dsRNA, including miRNAs, rasiRNAs and piRNAs hybridized to their targets. (biomedcentral.com)
  • In the second part (Chapter 4), the structural plasticity of the cold shock domain architecture is evaluated, by comparing the structure of a CSP domain- swapped dimer to closed-monomeric structures of CSP. (fu-berlin.de)
  • The first step is the characterization of proteins from each functional domain. (ucsb.edu)
  • NMR structural characterization of HIV-1 virus protein U cytoplasmic domain in the presence of dodecylphosphatidylcholine micelles. (hhu.de)
  • This seemingly simple perturbation has lead to characterization of a font of exotic proteins previously locked in place by a cross-linked network. (ucsb.edu)
  • Isolated oligomers as well as larger aggregates bind the dye thioflavin T, usually a signature of the amyloid superstructures found in many protein aggregates. (wiley.com)
  • Formation of amyloid fibrils by peptides derived from the bacterial cold shock protein CspB. (springer.com)
  • This study examines the functional interactions between Down syndrome critical region 1 (DSCR1) and amyloid-precursor protein (APP), proteins upregulated in both DS and AD, in regulating memory. (jneurosci.org)
  • Two others are the rat neural membrane protein 35 and the Arabidopsis thaliana Bax inhibitor-1 (BI-1) protein capable of suppressing Bax-induced cell death in yeast. (wikipedia.org)
  • Furthermore Ssb ATPase activity was not stimulated by either yeast cytosolic DnaJ homolog Ydj1 or Sis1 even when these proteins were added in excess to Ssb. (cylch.org)
  • Table 2 Activation factor of yeast Hsp70s ATPase activity by peptide CMLA and yeast DnaJ? (cylch.org)
  • HSFA4A interacts with mitogen-activated protein kinases MPK3 and MPK6 in yeast and plant cells. (plantphysiol.org)
  • In wild-type yeast under reducing conditions, pro-CPY can be found in a complex with Cer1p, while partially purified Cer1p is able to bind directly to peptides. (asm.org)
  • Translocation in the yeast Saccharomyces cerevisiae depends on the activity of the luminal protein Kar2p, while folding is also believed to require Kar2p. (asm.org)
  • The Kar2p folding activity in vivo was demonstrated by a study in which mutations in kar2 cause defects in the refolding of a denatured protein in the yeast ER ( 38 ). (asm.org)
  • Model RNAs and proteins are also reported here. (nih.gov)
  • This DNA codes for 117 RNAs and 4910 proteins, including nine rRNA operons, 88 tRNAs and one structural RNA. (kenyon.edu)
  • Yet unexplained, the increased levels of HSP messenger RNAs (mRNAs) may exceed 100 times the ensuing relative levels of HSP proteins. (springer.com)
  • This initial biochemical finding gave rise to a large number of studies on the induction of heat shock and its biological role. (wikipedia.org)
  • The eukaryotic Y-box binding protein-1 (YB-1) is involved in the transcriptional and translational control of many biological processes including cell proliferation. (elsevier.com)
  • This dissertation aims at structural and functional studies of cold shock proteins for a better understanding of CSP function on the molecular level as well as in biological contexts. (fu-berlin.de)
  • The objective of this study was to identify the biological processes underlying cold sensitivity. (genetics.org)
  • Solution structure of the GABA A receptor associated protein GABARAP: Implications for biological function and its regulation. (hhu.de)
  • In this pathway, ligand binding by a receptor drives a conformational change in the α-subunit of the heterotrimeric G-protein, catalyzing the exchange of bound GDP for GTP. (genetics.org)