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ChromobacteriumGram-Negative Bacterial InfectionsElectronic WasteAcyl-ButyrolactonesQuorum Sensing4-ButyrolactoneEncyclopedias as TopicFlagellaAnti-Bacterial AgentsPhenylalanine HydroxylasePhenylalaninePhenylketonuriasRibosome Subunits, Small, EukaryoticMolecular Sequence DataCupriavidusProphagesNuclear Magnetic Resonance, BiomolecularFuraldehydeMagnetic Resonance SpectroscopyFrancisella tularensisCrystallography, X-RayPyridoxal PhosphateModels, MolecularMetalsBiopterinPatents as TopicAgrochemicalsEcotoxicologyStreptomycesInventionsActinobacteriaX-Ray Absorption SpectroscopyCopperX-RaysComputer SecurityConfidentialityPrivacyDeuteriumIsotopesPortal VeinAminopeptidasesLeucyl AminopeptidaseAntigens, CD13Glutamyl AminopeptidaseCystinyl AminopeptidaseAmino Acid SequencePubMedPeriodicals as TopicBooksPublishingMEDLINESerial PublicationsBiological Science Disciplines
Chromobacterium: A genus of gram-negative, facultatively anaerobic, rod-shaped bacteria occurring in soil and water. Its organisms are generally nonpathogenic, but some species do cause infections of mammals, including humans.Gram-Negative Bacterial Infections: Infections caused by bacteria that show up as pink (negative) when treated by the gram-staining method.Electronic Waste: Discarded electronic devices containing valuable and sometimes hazardous materials such as LEAD, NICKEL, CADMIUM, and MERCURY. (from http://www.epa.gov/osw/conserve/materials/ecycling/faq.htm#impact accessed 4/25/2010)Acyl-Butyrolactones: Cyclic esters of acylated BUTYRIC ACID containing four carbons in the ring.Quorum Sensing: A phenomenon where microorganisms communicate and coordinate their behavior by the accumulation of signaling molecules. A reaction occurs when a substance accumulates to a sufficient concentration. This is most commonly seen in bacteria.4-Butyrolactone: One of the FURANS with a carbonyl thereby forming a cyclic lactone. It is an endogenous compound made from gamma-aminobutyrate and is the precursor of gamma-hydroxybutyrate. It is also used as a pharmacological agent and solvent.Encyclopedias as Topic: Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)Flagella: A whiplike motility appendage present on the surface cells. Prokaryote flagella are composed of a protein called FLAGELLIN. Bacteria can have a single flagellum, a tuft at one pole, or multiple flagella covering the entire surface. In eukaryotes, flagella are threadlike protoplasmic extensions used to propel flagellates and sperm. Flagella have the same basic structure as CILIA but are longer in proportion to the cell bearing them and present in much smaller numbers. (From King & Stansfield, A Dictionary of Genetics, 4th ed)Anti-Bacterial Agents: Substances that reduce the growth or reproduction of BACTERIA.Phenylalanine Hydroxylase: An enzyme of the oxidoreductase class that catalyzes the formation of L-TYROSINE, dihydrobiopterin, and water from L-PHENYLALANINE, tetrahydrobiopterin, and oxygen. Deficiency of this enzyme may cause PHENYLKETONURIAS and PHENYLKETONURIA, MATERNAL. EC 1.14.16.1.Phenylalanine: An essential aromatic amino acid that is a precursor of MELANIN; DOPAMINE; noradrenalin (NOREPINEPHRINE), and THYROXINE.Phenylketonurias: A group of autosomal recessive disorders marked by a deficiency of the hepatic enzyme PHENYLALANINE HYDROXYLASE or less frequently by reduced activity of DIHYDROPTERIDINE REDUCTASE (i.e., atypical phenylketonuria). Classical phenylketonuria is caused by a severe deficiency of phenylalanine hydroxylase and presents in infancy with developmental delay; SEIZURES; skin HYPOPIGMENTATION; ECZEMA; and demyelination in the central nervous system. (From Adams et al., Principles of Neurology, 6th ed, p952).Ribosome Subunits, Small, Eukaryotic: The small subunit of the 80s ribosome of eukaryotes. It is composed of the 18S RIBOSOMAL RNA and 32 different RIBOSOMAL PROTEINS.Molecular Sequence Data: 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.Cupriavidus: A genus of gram-negative, aerobic, rod-shaped bacteria, in the family BURKHOLDERIACEAE, that are mobile by means of peritrichous FLAGELLA. The genus was formerly called Wautersia and species in this genus were formerly in the genus RALSTONIA.Prophages: Genomes of temperate BACTERIOPHAGES integrated into the DNA of their bacterial host cell. The prophages can be duplicated for many cell generations until some stimulus induces its activation and virulence.Nuclear Magnetic Resonance, Biomolecular: NMR spectroscopy on small- to medium-size biological macromolecules. This is often used for structural investigation of proteins and nucleic acids, and often involves more than one isotope.FuraldehydeMagnetic Resonance Spectroscopy: Spectroscopic method of measuring the magnetic moment of elementary particles such as atomic nuclei, protons or electrons. It is employed in clinical applications such as NMR Tomography (MAGNETIC RESONANCE IMAGING).Francisella tularensis: The etiologic agent of TULAREMIA in man and other warm-blooded animals.Crystallography, X-Ray: The study of crystal structure using X-RAY DIFFRACTION techniques. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Pyridoxal Phosphate: This is the active form of VITAMIN B 6 serving as a coenzyme for synthesis of amino acids, neurotransmitters (serotonin, norepinephrine), sphingolipids, aminolevulinic acid. During transamination of amino acids, pyridoxal phosphate is transiently converted into pyridoxamine phosphate (PYRIDOXAMINE).Models, Molecular: Models used experimentally or theoretically to study molecular shape, electronic properties, or interactions; includes analogous molecules, computer-generated graphics, and mechanical structures.Metals: Electropositive chemical elements characterized by ductility, malleability, luster, and conductance of heat and electricity. They can replace the hydrogen of an acid and form bases with hydroxyl radicals. (Grant & Hackh's Chemical Dictionary, 5th ed)Biopterin: A natural product that has been considered as a growth factor for some insects.Patents as Topic: Exclusive legal rights or privileges applied to inventions, plants, etc.Agrochemicals: Chemicals used in agriculture. These include pesticides, fumigants, fertilizers, plant hormones, steroids, antibiotics, mycotoxins, etc.Ecotoxicology: The study of ENVIRONMENTAL POLLUTION and the toxic effects of ENVIRONMENTAL POLLUTANTS on the ECOSYSTEM. The term was coined by Truhaut in 1969.Streptomyces: A genus of bacteria that form a nonfragmented aerial mycelium. Many species have been identified with some being pathogenic. This genus is responsible for producing a majority of the ANTI-BACTERIAL AGENTS of practical value.Inventions: A novel composition, device, or process, independently conceived de novo or derived from a pre-existing model.Actinobacteria: Class of BACTERIA with diverse morphological properties. Strains of Actinobacteria show greater than 80% 16S rDNA/rRNA sequence similarity among each other and also the presence of certain signature nucleotides. (Stackebrandt E. et al, Int. J. Syst. Bacteriol. (1997) 47:479-491)X-Ray Absorption Spectroscopy: Analysis of the energy absorbed across a spectrum of x-ray energies/wavelengths to determine the chemical structure and electronic states of the absorbing medium.Copper: A heavy metal trace element with the atomic symbol Cu, atomic number 29, and atomic weight 63.55.X-Rays: Penetrating electromagnetic radiation emitted when the inner orbital electrons of an atom are excited and release radiant energy. X-ray wavelengths range from 1 pm to 10 nm. Hard X-rays are the higher energy, shorter wavelength X-rays. Soft x-rays or Grenz rays are less energetic and longer in wavelength. The short wavelength end of the X-ray spectrum overlaps the GAMMA RAYS wavelength range. The distinction between gamma rays and X-rays is based on their radiation source.Computer Security: Protective measures against unauthorized access to or interference with computer operating systems, telecommunications, or data structures, especially the modification, deletion, destruction, or release of data in computers. It includes methods of forestalling interference by computer viruses or so-called computer hackers aiming to compromise stored data.Confidentiality: The privacy of information and its protection against unauthorized disclosure.Privacy: The state of being free from intrusion or disturbance in one's private life or affairs. (Random House Unabridged Dictionary, 2d ed, 1993)Deuterium: Deuterium. The stable isotope of hydrogen. It has one neutron and one proton in the nucleus.Isotopes: Atomic species differing in mass number but having the same atomic number. (Grant & Hackh's Chemical Dictionary, 5th ed)Portal Vein: A short thick vein formed by union of the superior mesenteric vein and the splenic vein.Aminopeptidases: A subclass of EXOPEPTIDASES that act on the free N terminus end of a polypeptide liberating a single amino acid residue. EC 3.4.11.Leucyl Aminopeptidase: A zinc containing enzyme of the hydrolase class that catalyzes the removal of the N-terminal amino acid from most L-peptides, particularly those with N-terminal leucine residues but not those with N-terminal lysine or arginine residues. This occurs in tissue cell cytosol, with high activity in the duodenum, liver, and kidney. The activity of this enzyme is commonly assayed using a leucine arylamide chromogenic substrate such as leucyl beta-naphthylamide.Antigens, CD13: Zinc-binding metalloproteases that are members of the type II integral membrane metalloproteases. They are expressed by GRANULOCYTES; MONOCYTES; and their precursors as well as by various non-hematopoietic cells. They release an N-terminal amino acid from a peptide, amide or arylamide.Glutamyl Aminopeptidase: A ZINC-dependent membrane-bound aminopeptidase that catalyzes the N-terminal peptide cleavage of GLUTAMATE (and to a lesser extent ASPARTATE). The enzyme appears to play a role in the catabolic pathway of the RENIN-ANGIOTENSIN SYSTEM.Cystinyl Aminopeptidase: A zinc-containing sialoglycoprotein that is used to study aminopeptidase activity in the pathogenesis of hypertension. EC 3.4.11.3.Amino Acid Sequence: 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.PubMed: A bibliographic database that includes MEDLINE as its primary subset. It is produced by the National Center for Biotechnology Information (NCBI), part of the NATIONAL LIBRARY OF MEDICINE. PubMed, which is searchable through NLM's Web site, also includes access to additional citations to selected life sciences journals not in MEDLINE, and links to other resources such as the full-text of articles at participating publishers' Web sites, NCBI's molecular biology databases, and PubMed Central.Periodicals as Topic: A publication issued at stated, more or less regular, intervals.BooksPublishing: "The business or profession of the commercial production and issuance of literature" (Webster's 3d). It includes the publisher, publication processes, editing and editors. Production may be by conventional printing methods or by electronic publishing.MEDLINE: The premier bibliographic database of the NATIONAL LIBRARY OF MEDICINE. MEDLINE® (MEDLARS Online) is the primary subset of PUBMED and can be searched on NLM's Web site in PubMed or the NLM Gateway. MEDLINE references are indexed with MEDICAL SUBJECT HEADINGS (MeSH).Serial Publications: Publications in any medium issued in successive parts bearing numerical or chronological designations and intended to be continued indefinitely. (ALA Glossary of Library and Information Science, 1983, p203)Biological Science Disciplines: All of the divisions of the natural sciences dealing with the various aspects of the phenomena of life and vital processes. The concept includes anatomy and physiology, biochemistry and biophysics, and the biology of animals, plants, and microorganisms. It should be differentiated from BIOLOGY, one of its subdivisions, concerned specifically with the origin and life processes of living organisms.

Effective method for activity assay of lipase from Chromobacterium viscosum. (1/183)

A method was devised for activity assay of the lipase [triacylglycerol acyl-hydrolase, EC 3.1.1.3] excreted from Chromobacterium viscosum into the culture medium; olive oil emulsified with the aid of Adekatol 45-S-8 (a non-ionic detergent, the ethoxylate of linear sec-alcohols having chain lengths of 10--16 carbon atoms) was used as the substrate. This method was specifically effective for Chromobacterium lipase acitvity assay, and was approximately twice as sensitive as the conventional method, in which polyvinyl alcohol is used for the emulsification of the substrate.  (+info)

Two cases of Chromobacterium violaceum infection after injury in a subtropical region. (2/183)

Chromobacterium violaceum is a gram-negative rod and is isolated from soil and water in tropical and subtropical regions. The species have pigmented and nonpigmented colony types. Infections caused by nonpigmented strains are rare. We report on two cases of infection caused by both pigmented and nonpigmented strains of C. violaceum. Two 24-year-old Korea Airline stewardesses were admitted to Inha University Hospital, Inchon, South Korea, on 9 August 1997, 3 days after an airplane accident in Guam. Both had multiple lacerations on exposed parts of their bodies. There was swelling, tenderness, and pus discharge. The wounds contained many small fragments of stones and weeds. A pigmented strain was isolated from the left hand and a nonpigmented strain was isolated from the left knee of one patient. For the other patient only a nonpigmented strain was isolated from a foot wound. The nonpigmented colonies from the left-knee and the left-foot wounds did not produce any pigment even after an extended period of incubation. The biochemical characteristics were the same for each strain except for oxidase and indole reactions. The pigmented strain was oxidase negative and indole positive, whereas the nonpigmented strains were oxidase positive and indole negative. The patients were successfully treated by debridement and with appropriate antibiotics.  (+info)

Molecular dynamics of microbial lipases as determined from their intrinsic tryptophan fluorescence. (3/183)

We have studied the intrinsic tryptophan fluorescence of the lipases from Chromobacterium viscosum (CVL), Pseudomonas species (PSL), and Rhizopus oryzae (ROL) in aqueous buffer, zwitterionic detergent micelles, and isopropanol-water mixtures. It was the purpose of this study to obtain information about biophysical properties of the respective enzymes under conditions that modulate enzyme activities and stereoselectivities to a significant extent. According to their decay-associated emission spectra, CVL tryptophans are located in the hydrophobic interior of the protein. In contrast, the PSL and ROL tryptophans are probably confined to the core and the surface of the lipase. From the tryptophan lifetime distributions it can be concluded that the conformation of CVL is not much affected by detergent or organic solvent (isopropanol). Accordingly, CVL is enzymatically active in these systems and most active in the presence of isopropanol. In contrast, ROL and PSL show high conformational mobility, depending on the solvent, because their lifetime distributions are very different in the presence and absence of detergent or isopropanol. Time-resolved anisotropy studies provided evidence that the lipases exhibit very high internal molecular flexibility. This peculiar feature of lipases is perhaps the key to the great differences in activity and stereoselectivity observed in different reaction media. Furthermore, information about self-association of the lipases in different solvents could be obtained. PSL, but not CVL and ROL, forms aggregates in water. Lipase aggregation can be reversed by the addition of detergent or isopropanol, which competes for the hydrophobic surface domains of this protein. This dissociation could efficiently contribute to the increase in lipase activity in the presence of a detergent or isopropanol.  (+info)

Cloning, molecular analysis, and expression of the polyhydroxyalkanoic acid synthase (phaC) gene from Chromobacterium violaceum. (4/183)

The polyhydroxyalkanoic acid synthase gene from Chromobacterium violaceum (phaC(Cv)) was cloned and characterized. A 6.3-kb BamHI fragment was found to contain both phaC(Cv) and the polyhydroxyalkanoic acid (PHA)-specific 3-ketothiolase (phaA(Cv)). Escherichia coli strains harboring this fragment produced significant levels of PHA synthase and 3-ketothiolase, as judged by their activities. While C. violaceum accumulated poly(3-hydroxybutyrate) or poly(3-hydroxybutyrate-co-3-hydroxyvalerate) when grown on a fatty acid carbon source, Klebsiella aerogenes and Ralstonia eutropha (formerly Alcaligenes eutrophus), harboring phaC(Cv), accumulated the above-mentioned polymers and, additionally, poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) when even-chain-length fatty acids were utilized as the carbon source. This finding suggests that the metabolic environments of these organisms are sufficiently different to alter the product range of the C. violaceum PHA synthase. Neither recombinant E. coli nor recombinant Pseudomonas putida harboring phaC(Cv) accumulated significant levels of PHA. Sequence analysis of the phaC(Cv) product shows homology with several PHA synthases, most notably a 48% identity with that of Alcaligenes latus (GenBank accession no. AAD10274).  (+info)

Chromobacteriosis in a Chinese red panda (Ailurus fulgens styani). (5/183)

An adult Chinese red panda (Ailurus fulgens styani) transported by airplane from Florida to a North Dakota zoo died 1 week after arrival. Grossly, an interscapular abscess, subcutaneous inflammation, lymphadenitis, and pulmonary abscesses were observed. Microscopic findings included necrotizing inflammation in liver, lung, lymph node, and spleen. Chromobacterium violaceum was cultured from the interscapular abscess, liver, lung, and spleen and was injected into Swiss Webster mice. These mice died 18 hours postinoculation, and C. violaceum was cultured from liver, lung, and spleen. Chromobacterium violaceum is a sporadically reported but highly virulent pathogenic bacterium of both animals and humans typically found as a soil and water inhabitant of tropical and subtropical regions.  (+info)

Intrinsic conformation of lipid A is responsible for agonistic and antagonistic activity. (6/183)

Lipopolysaccharides (LPS, endotoxin) represent a major virulence factor of Gram-negative bacteria, which can cause septic shock in mammals, including man. The lipid anchor of LPS to the bacterial outer membrane, lipid A, exhibits a peculiar chemical structure, harbours the 'endotoxic principle' of LPS and is also responsible for the expression of pathophysiological effects. Chemically modified lipid A can be endotoxically inactive, but may express strong antagonistic activity against endotoxically active LPS. By applying orientation measurements with attenuated total reflectance (ATR) infrared spectroscopy on hydrated lipid A samples, we show here that these different biological activities are directly correlated to the intrinsic conformation of lipid A. Bisphosphoryl-hexaacyl lipid A molecules with an asymmetric (4/2) distribution of the acyl chains linked to the diglucosamine backbone have a large tilt angle (> 45 degrees ) of the diglucosamine backbone with respect to the membrane surface, a conical molecular shape (larger cross-section of the hydrophobic than the hydrophilic moiety), and are endotoxically highly active. Monophosphoryl hexaacyl lipid A has a smaller tilt angle, and the conical shape is less expressed in favour of a more cylindrical shape. This correlates with decreasing endotoxic activity. Penta- and tetraacyl lipid A or hexaacyl lipid A with a symmetric acyl chain distribution (3/3) have a small tilt angle (< 25 degrees ) and a cylindrical shape and are endotoxically inactive, but may be antagonistic.  (+info)

Chromobacterium violaceum infection in Brazil. A case report. (7/183)

We report the second case of infection with Chromobacterium violaceum that occurred in Brazil. A farm worker living in the State of Sao Paulo presented fever and severe abdominal pain for four days. At hospitalization the patient was in a toxemic state and had a distended and painful abdomen. Chest X-ray and abdominal ultrasound revealed bilateral pneumonia and hypoechoic areas in the liver. The patient developed failure of multiple organs and died a few hours later. Blood culture led to isolation of C. violaceum resistant to ampicillin and cephalosporins and sensitive to chloramphenicol, tetracyclin, aminoglicosydes, and ciprofloxacin. Autopsy revealed pulmonary microabscesses and multiple abscesses in the liver. The major features of this case are generally observed in infections by C. violaceum: rapid clinical course, multiple visceral abscesses, and high mortality. Because of the antimicrobial resistance profile of this Gram-negative bacillus, for appropriate empirical antibiotic therapy it is important to consider chromobacteriosis in the differential diagnosis of severe community infections in Brazil.  (+info)

Plants secrete substances that mimic bacterial N-acyl homoserine lactone signal activities and affect population density-dependent behaviors in associated bacteria. (8/183)

In gram-negative bacteria, many important changes in gene expression and behavior are regulated in a population density-dependent fashion by N-acyl homoserine lactone (AHL) signal molecules. Exudates from pea (Pisum sativum) seedlings were found to contain several separable activities that mimicked AHL signals in well-characterized bacterial reporter strains, stimulating AHL-regulated behaviors in some strains while inhibiting such behaviors in others. The chemical nature of the active mimic compounds is currently unknown, but all extracted differently into organic solvents than common bacterial AHLs. Various species of higher plants in addition to pea were found to secrete AHL mimic activities. The AHL signal-mimic compounds could prove to be important in determining the outcome of interactions between higher plants and a diversity of pathogenic, symbiotic, and saprophytic bacteria.  (+info)

Mechanism of Metal-Independent Hydroxylation by Chromobacterium violaceum Phenylalanine Hydroxylase<...Mechanism of Metal-Independent Hydroxylation by Chromobacterium violaceum Phenylalanine Hydroxylase<...
TY - JOUR. T1 - Mechanism of Metal-Independent Hydroxylation by Chromobacterium violaceum Phenylalanine Hydroxylase. AU - Carr, Robert T.. AU - Balasubramanian, Shankar. AU - Hawkins, Paul C.D.. AU - Benkovic, Stephen. PY - 1995/1/1. Y1 - 1995/1/1. N2 - Phenylalanine hydroxylase converts phenylalanine to tyrosine utilizing a tetrahydrobiopterin cofactor. Several key mechanistic questions have yet to be resolved, specifically the identity of the hydroxylating species and the role of the non-heme iron which is present in all of the mammalian PAHs. Recently, we have demonstrated that a bacterial PAH from Chromobacterium violaceum does not require any redox active metal for activity [Carr, R. T., & Benkovic, S. J. (1993) Biochemistry 32, 14132-14138]. To identify the function of iron in the mammalian PAHs, we have undertaken a series of experiments to compare the mechanisms of this metal-independent PAH with the iron-dependent PAH from rat liver. Using [4-2H]phenylalanine as a substrate gave a ...
X-ray Absorption Studies of the Cu-Dependent Phenylalanine Hydroxylase from Chromobacterium violaceum. Comparison of the Copper...X-ray Absorption Studies of the Cu-Dependent Phenylalanine Hydroxylase from Chromobacterium violaceum. Comparison of the Copper...
TY - JOUR. T1 - X-ray Absorption Studies of the Cu-Dependent Phenylalanine Hydroxylase from Chromobacterium violaceum. Comparison of the Copper Coordination in Oxidized and Dithionite-Reduced Enzymes. AU - Blackburn, Ninian J.. AU - Strange, Richard W.. AU - Carr, Robert T.. AU - Benkovic, Stephen J.. PY - 1992/2/1. Y1 - 1992/2/1. N2 - The coordination chemistry of the Cu sites of phenylalanine hydroxylase (PAH) from Chromobacterium violaceum has been studied by X-ray absorption spectroscopy (XAS). The EXAFS of the Cu(II) form of the enzyme resembles that of other non-blue copper proteins such as plasma amine oxidases and dopamines-hydroxylase and is characteristic of a mixed N/O coordination shell containing histidine ligation. Detailed simulations of the raw EXAFS data have been carried out using full curved-wave restrained refinement methodologies which allow imidazole ligands to be treated as structural units. The results suggest a Cu(II) coordination of two histidines and two additional ...
Chromobacterium violaceum - WikipediaChromobacterium violaceum - Wikipedia
Chromobacterium violaceum is a Gram-negative, facultative anaerobic, non-sporing coccobacillus. It is motile with the help of a single flagellum which is located at the pole of the coccobacillus. Usually, there are one or two more lateral flagella as well. It is part of the normal flora of water and soil of tropical and sub-tropical regions of the world. It produces a natural antibiotic called violacein, which may be useful for the treatment of colon and other cancers. It grows readily on nutrient agar, producing distinctive smooth low convex colonies with a dark violet metallic sheen (due to violacein production). Some strains of the bacteria which do not produce this pigment have also been reported. It has the ability to break down tarballs. C. violaceum ferments glucose, trehalose, N-acetylglucosamine and gluconate but not L-arabinose, D-galactose, or D-maltose. It is positive for catalase and oxidase reactions. Bacterial isolates in many cases can show high level resistance to a range of ...
Crystal structures of the Chromobacterium violaceumω-transaminase reveal major structural rearrangements upon binding of...Crystal structures of the Chromobacterium violaceumω-transaminase reveal major structural rearrangements upon binding of...
article{2f5ed112-7711-4829-944a-2b87a0437947, abstract = {SUMMARY: The bacterial ω-transaminase from Chromobacterium violaceum (Cv-ωTA, EC 2.6.1.18) catalyzes industrially important transamination reactions by use of the coenzyme pyridoxal 5-phosphate (PLP). Here, we present four crystal structures of Cv-ωTA: two in the apo form, one in the holo form and one in an intermediate state, at resolutions between 1.35 and 2.4 Å. The enzyme is a homodimer with a molecular weight of approximately 100 kDa. Each monomer has an active site at the dimeric interface that involves amino acid residues from both subunits. The apo-Cv-ωTA structure reveals unique relaxed conformations of three critical loops involved in structuring the active site, that have not previously been seen in a transaminase. Analysis of the four crystal structures reveals major structural rearrangements involving elements of the large and small domains of both monomers that reorganize the active site in the presence of PLP. The ...
Repositorio da Producao Cientifica e Intelectual da Unicamp: Violacein And Its β-cyclodextrin Complexes Induce Apoptosis And...Repositorio da Producao Cientifica e Intelectual da Unicamp: Violacein And Its β-cyclodextrin Complexes Induce Apoptosis And...
Violacein, a pigment isolated from Chromobacterium violaceum, has been reported to have multiple biological activities including in vitro antitumor effects. Certain anticancer agents are known to induce apoptosis in human tumor cell lines. In this work, our aim was to investigate the effectiveness of violacein/β-cyclodextrin (β-CD)-containing systems to produce lethal effects in the human promyelocytic leukemia cell line HL60. Using the MTT tetrazolium reduction test, IC 50 for the inclusion complexes (1:1 and 1:2 violacein:β-CD molar ratios) and violacein alone were less than 1 μM. Violacein and violacein/β-CD complexes were able to induce NBT reduction. Moreover, by using the Feulgen reaction, all the compounds were found to trigger apoptosis in HL60 cells, inducing around 35% of DNA fragmentation, as analyzed through the diphenylamine assay. In addition, caspases seem to play an important role in the activation of the executioner phase of apoptosis induced by violacein and its ...
CHROMOBACTERIUM BIOACTIVE COMPOSITIONS AND METABOLITES - Patent applicationCHROMOBACTERIUM BIOACTIVE COMPOSITIONS AND METABOLITES - Patent application
0129] Asolkar, R. N., Jensen, P. R., Kauffman, C. A., Fenical, W. 2006. Daryamides A-C, Weakly Cytotoxic Polyketides from a Marine-Derived Actinomycete of the Genus Streptomyces strain CNQ-085 J. Nat. Prod. 69:1756-1759. [0130] Arena, J. P., K. K. Liu, et al. (1995). "The mechanism of action of avermectins in Caenorhabditis elegans--correlation between activation of glutamate-sensitive chloride current, membrane binding and biological activity." Journal of Parasitology 81: 286-294. [0131] Balibar, C. J. and C. T. Welsh (2006). "In Vitro Biosynthesis of Violacein from L-Tryptophan by the Enzymes VioA-E from Chromobacterium violaceum." Biochemistry 45: 15444-15457. [0132] Chalvet-Monfray, K., P. Sabatier, et al. (1996). "Synergy between deltamethrin and prochloraz in bees: Modeling approach." Environmental Toxicology and Chemistry 15(4): 525-534. [0133] Chitwood, D. J. (2003). Nematicides. Encyclopedia of Agrochemicals, vol 3. J. R. Plimmer. New York, John Wiley & Sons. 3: 1104-1115. [0134] Colby, ...
RCSB PDB - 1LTV: CRYSTAL STRUCTURE OF CHROMOBACTERIUM VIOLACEUM PHENYLALANINE HYDROXYLASE, STRUCTURE WITH BOUND...RCSB PDB - 1LTV: CRYSTAL STRUCTURE OF CHROMOBACTERIUM VIOLACEUM PHENYLALANINE HYDROXYLASE, STRUCTURE WITH BOUND...
1LTV: Structural comparison of bacterial and human iron-dependent phenylalanine hydroxylases: similar fold, different stability and reaction rates.
RCSB PDB - 1LTV: CRYSTAL STRUCTURE OF CHROMOBACTERIUM VIOLACEUM PHENYLALANINE HYDROXYLASE, STRUCTURE WITH BOUND...RCSB PDB - 1LTV: CRYSTAL STRUCTURE OF CHROMOBACTERIUM VIOLACEUM PHENYLALANINE HYDROXYLASE, STRUCTURE WITH BOUND...
1LTV: Structural comparison of bacterial and human iron-dependent phenylalanine hydroxylases: similar fold, different stability and reaction rates.
Sensors | Free Full-Text | Anti-Quorum Sensing Potential of Crude Kigelia africana Fruit Extracts | NotesSensors | Free Full-Text | Anti-Quorum Sensing Potential of Crude Kigelia africana Fruit Extracts | Notes
The increasing incidence of multidrug-resistant pathogens has stimulated the search for novel anti-virulence compounds. Although many phytochemicals show promising antimicrobial activity, their power lies in their anti-virulence properties. Thus the quorum sensing (QS) inhibitory activity of four crude Kigelia africana fruit extracts was assessed qualitatively and quantitatively using the Chromobacterium violaceum and Agrobacterium tumefaciens biosensor systems. Inhibition of QS-controlled violacein production in C. violaceum was assayed using the qualitative agar diffusion assay as well as by quantifying violacein inhibition using K. africana extracts ranging from 0.31-8.2 mg/mL. Qualitative modulation of QS activity was investigated using the agar diffusion double ring assay. All four extracts showed varying levels of anti-QS activity with zones of violacein inhibition ranging from 9-10 mm. The effect on violacein inhibition was significant in the following order: hexane > dichloromethane >
IJMS | Free Full-Text | Imidazolines as Non-Classical Bioisosteres of N-Acyl homoserine lactones and Quorum Sensing Inhibitors...IJMS | Free Full-Text | Imidazolines as Non-Classical Bioisosteres of N-Acyl homoserine lactones and Quorum Sensing Inhibitors...
A series of selected 2-substituted imidazolines were synthesized in moderate to excellent yields by a modification of protocols reported in the literature. They were evaluated as potential non-classical bioisosteres of AHL with the aim of counteracting bacterial pathogenicity. Imidazolines 18a, 18e and 18f at various concentrations reduced the violacein production by Chromobacterium violaceum, suggesting an anti-quorum sensing profile against Gram-negative bacteria. Imidazoline 18b did not affect the production of violacein, but had a bacteriostatic effect at 100 µM and a bactericidal effect at 1 mM. Imidazoline 18a bearing a hexyl phenoxy moiety was the most active compound of the series, rendering a 72% inhibitory effect of quorum sensing at 100 µM. Imidazoline 18f bearing a phenyl nonamide substituent presented an inhibitory effect on quorum sensing at a very low concentration (1 nM), with a reduction percentage of 28%. This compound showed an irregular performance, decreasing inhibition at
Measurement of the Intramolecular Isotope Effect on Aliphatic Hydroxylation by Chromobacterium violaceum Phenylalanine...Measurement of the Intramolecular Isotope Effect on Aliphatic Hydroxylation by Chromobacterium violaceum Phenylalanine...
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Nighthawks Open Institutional Repository - University of North Georgia Annual Research Conference: Pyrrolo[2,1-c][1,4...Nighthawks Open Institutional Repository - University of North Georgia Annual Research Conference: Pyrrolo[2,1-c][1,4...
With the rise in antibiotic resistance, quorum sensing inhibition has emerged as a possible alternative to classical antibiotic therapy. Quorum sensing is density-dependent communication between bacteria that allows the bacteria to coordinate gene expression. This communication is accomplished through the secretion of certain signal molecules, and is often responsible for the development of pathogenicity in bacteria. By inhibiting this communication, bacteria may be prevented from expressing pathogenic traits, such as biofilm formation. In this study, 12 novel Pyrrolo[2,1-c][1,4]benzodiazepine (PBD) compounds were tested for their ability to inhibit quorum sensing using disk diffusion assays. Blank disks were loaded with the PBD compounds and overlaid with molten agar inoculated with Chromobacterium violaceum. C. violaceum is a quorum sensing indicator species. The bacteria produce a purple pigment when they undergo quorum sensing but turn white when quorum sensing is inhibited. Compounds that showed
Histone deacetylase inhibitor FK228 inhibits tumor angiogenesisHistone deacetylase inhibitor FK228 inhibits tumor angiogenesis
FK228 (formerly FR901228) was recently isolated from Chromobacterium violaceum as a potent antitumor agent and its biologic target protein was identified as histone deacetylase (HDAC). Because of its unique chemical structure (i.e., bicyclic depsipeptide) and activity profile in the National Cancer …
Medical Laboratory and Biomedical Science: Valentine DrawingsMedical Laboratory and Biomedical Science: Valentine Drawings
Pictured is Chromobacterium violaceum and Staphylococcus aureus shaped in a valentine-themed drawing. This drawing was done at a microbiology lab at Cepheid, Sunnyvale, CA. C. violaceum is a gram-negative, motile bacillus. It produces dark violet colonies due to the bacteriums natural production of violacein, which is a pigmented antibiotic. This organism is commonly found in water and soil from tropical and subtropical areas of the world ...
publisher:University of North Carolina +contributor:(Whitmire, Jason) - OATDpublisher:'University of North Carolina' +contributor:('Whitmire, Jason') - OATD
Programmed cell death is a powerful anti-microbial defense. The innate immune system is our first line of defense against infection, and the induction of cell death can rapidly remove intracellular niches. Inflammasomes are multi-protein signaling complexes that result in pyroptosis, a form of lytic programmed cell death. However, a lack of strong in vivo inflammasome phenotypes has led to the conclusion that inflammasomes merely slow the infection until the adaptive immune system is activated. In Chapter 2, we report that inflammasomes provide penetrating and sterilizing immunity against two ubiquitous environmental bacteria, Chromobacterium violaceum and Burkholderia thailandensis. Additionally, the study of C. violaceum revealed the first evidence of natural killer (NK) cell cytotoxicity in defense against a bacterium in vivo. Thus, environmental microbes are powerful immunological probes and have great potential as model organisms. NK cells and cytotoxic T lymphocytes (CTLs) canonically ...
Violet Pigment in Ahmedabad,Violet Pigment Manufacturers and Suppliers from indiaViolet Pigment in Ahmedabad,Violet Pigment Manufacturers and Suppliers from india
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Antimicrobial activities of Marcgraviaceae species and isolation of a naphthoquinone from <i>Marcgravia nervosa</i> ...Antimicrobial activities of Marcgraviaceae species and isolation of a naphthoquinone from <i>Marcgravia nervosa</i> ...
The Marcgraviaceae is a neotropical plant family of lianas and shrubs distributed throughout Central and South America, mainly in evergreen and semi-evergreen tropical forests. In this study, extracts of 12 Marcgraviaceae species were assessed for inhibition of bacterial quorum sensing (QS) in Chromobacterium violaceum, bacterial biofilm formation in Pseudomonas aeruginosa PA14, and fungal growth in Saccharomyces cerevisiae. Six species showed promising inhibitory activities in at least one of the three bioassays (Marcgravia nervosa Triana & Planch., Marcgravia polyantha Delp., Marcgravia schippii Standl., Marcgraviastrum subsessile (Benth.) Bedell, Schwartzia brasiliensis (Choisy) Bedell ex Gir-Cañas, and Schwartzia costaricensis (Gilg.) Bedell). Analyses of the crude extract of the leaves of Marcgravia nervosa using HPLC-APCI-MS showed the presence of five pentacyclic triterpenes: ursolic acid (2), betulinic acid (3), α-amyrin (4), β-amyrin (5), lupeol (6). Bioassay-guided fractionation of ...
Team:Stockholm/Safety - 2015.igem.orgTeam:Stockholm/Safety - 2015.igem.org
Safety in the scientific environment is an important issue. To begin with, organisms subject to research as well as substances and chemicals used may be hazardous. Since synthetic biology uses modified organisms it is also important to consider possible effects on ecosystems. But safety is not limited to organisms and chemicals. Stress and fatigue of the researchers involved must also be taken into account when designing experiments. To address these issues we reviewed available safety protocols and regulations and wrote new protocols to fit our needs. At the beginning of the project, Dr. Gunaratna Kuttuva Rajarao gave instructions on lab safety basics and sterile techniques. In general, we followed the safety guidelines of KTH, Royal Institute of Technology for this project.. Throughout this project, we used E.coli (TOP10, BW25113) which falls under biosafety level 1. Moreover, Chromobacterium violaceum was used as a readout strain in an experiment that falls under biosafety level 2. We ...
Romidepsin - WikipediaRomidepsin - Wikipedia
Romidepsin was first reported in the scientific literature in 1994, by a team of researchers from Fujisawa Pharmaceutical Company (now Astellas Pharma) in Tsukuba, Japan, who isolated it in a culture of Chromobacterium violaceum from a soil sample obtained in Yamagata Prefecture.[3] It was found to have little to no antibacterial activity, but was potently cytotoxic against several human cancer cell lines, with no effect on normal cells; studies on mice later found it to have antitumor activity in vivo as well.[3]. The first total synthesis of romidepsin was accomplished by Harvard researchers and published in 1996.[4] Its mechanism of action was elucidated in 1998, when researchers from Fujisawa and the University of Tokyo found it to be a histone deacetylase inhibitor with effects similar to those of trichostatin A.[5]. ...
Repositorio da Producao Cientifica e Intelectual da Unicamp: Bacterial Chemistry. Vi. Biological Activities And Cytotoxicity Of...Repositorio da Producao Cientifica e Intelectual da Unicamp: Bacterial Chemistry. Vi. Biological Activities And Cytotoxicity Of...
The biosynthetic pigment from Chromobacterium violaceum BB-78, 1,3-dihydro-2H-indol-2-one and its derivatives exhibit biological activities such as antimicrobial action, low hemolytic effects on red blood cells and in vitro trypanocide activity. A relatively high cytotoxicity on V-79 hamster fibroblast cells of the biosynthetic pigment was found, although with the methylol derivative the toxicity was almost eliminated. The methylol derivative exhibited similar toxicity as Nifurtimox, a known, commercial trypanocide compound ...
Aztreonam Summary | CureHunter MobileAztreonam Summary | CureHunter Mobile
Description: A monocyclic beta-lactam antibiotic originally isolated from Chromobacterium violaceum. It is resistant to beta-lactamases and is used in gram-negative infections, especially of the meninges, bladder, and kidneys. It may cause a superinfection with gram-positive organisms ...
The potential of dietary lipases to improve fat utilization in young birdsThe potential of dietary lipases to improve fat utilization in young birds
In comparison to the adult birds, young chickens and turkeys have a reduced ability to use dietary fat. It was of interest to investigate the role of lipase in fat malabsorption in young birds. It was hypothesized that fat malabsorption in young chickens and turkeys is due to an insufficiency of pancreatic lipase. It was further hypothesized that fat utilization in young birds can be improved by the use of dietary lipase sources. The first in vitro experiment characterized the activity and stability of mammalian, fungal and bacterial lipase sources when exposed to conditions associated with the proventriculus of young birds. The results of this study demonstrated that bacterial Pseudomonas sp. and Chromobacterium viscosum lipase sources are more stable under conditions that mimic the glandular stomach of young birds. Aspergillus niger lipase also showed a relatively high activity in acidic conditions. Mammalian crude porcine lipase was irreversibly inhibited in these conditions. The second in ...
Phragmidium violaceum - WikipediaPhragmidium violaceum - Wikipedia
Phragmidium violaceum[4] maoy kaliwatan sa uhong kay sakop sa division nga Basidiomycota, ug nga una nga gihulagway ni Schultz, ug nga gihatagan sa eksakto nga ngalan ni Georg Winter ni adtong 1880. Ang Phragmidium violaceum kay sakop sa henero nga Phragmidium, ug pamilya nga Phragmidiaceae.[5][6] Walay nalista nga matang nga sama niini.[5]. ...
Movement in and out of cells - A-Level Science - Marked by Teachers.comMovement in and out of cells - A-Level Science - Marked by Teachers.com
Introduction. Movement in and out of cells Helen Moth The cell membranes main function is to serve as a boundary between the cell and its environment. It is just like other organelles in the cell in that it serves the cell by having its own specialised jobs. In terms of beetroot the purple pigment is contained within the cell membrane, if this membrane is disrupted the pigment will be released. Temperature may be the cause of the disruption. High temperatures could distort the active site of the carrier, channel of gated proteins, therefore affecting the shape of the fluid mosaic model membrane which may release molecules that normally would not be allowed to be released (in our case the purple pigment), or allow other molecules in. Temperature basically disrupts facilitated diffusion. The picture above shows a close up view of a cell membrane, cell membranes are made up of fat molecules, or to be more specific phospholipid molecules with various large intrinsic and extrinsic, globular ...
Does Your Plate Need More…Purple? - Milwaukee Community JournalDoes Your Plate Need More…Purple? - Milwaukee Community Journal
Its a scientifically-proven fact that the darker the food, the higher the antioxidant level.. Antioxidants have the ability to clean up free radicals and keep you looking younger, longer. Thus, purple foods are known for having amazing health benefits and healing powers. scientifically-proven fact that the darker the food, the higher the antioxidant level. The purple pigment in all of these fruits and vegetables contain flavonoids, including resveratrol, which can help decrease blood pressure. Resveratrol helps relax the arterial walls, decreases the pressure in the arteries and allows better circulation. Produce with purple hues contain a variety of polyphenols that can reduce the inflammatory response in the body.. Studies have shown that anthocyanin-rich purple foods may have the potential to lower blood pressure and reduce the risk of cardiovascular disease. One USDA-funded study found that a couple of servings of purple potatoes a day helped lower blood pressure in obese and hypertensive ...
ENCODE and Junk DNA, Part 2: Function: Whats in a Word?ENCODE and "Junk DNA," Part 2: Function: What's in a Word?
On Monday, I introduced "function" as a particularly useful concept in biology, but also cautioned that-like all good concepts-it has "fuzzy" edges. Indeed, it has lots of similarly "fuzzy" peers in the language of biology: for example, asking a molecular biologist "What is a gene?" or asking an ecologist "What is a species?" is not advisable unless you have an hour or more to devote to the conversation. A discussion of biological "function" could generate a similar conversation.. For most biologists, something biological has function if to contributes to the characteristics of an organism in such a way as to favor its reproduction (usually by favoring its survival). Conversely, for a biologist to claim that some feature of an organism is non-functional, they are claiming that this feature does not contribute to or favor survival or reproduction. To return to our historically-interesting example from yesterday, the wild-type allele of the enzyme responsible for making purple pigment in pea ...
Dental Implant - Patient Education - Calgary DentistDental Implant - Patient Education - Calgary Dentist
Long history reputable quality dental care in N.W. and north central Calgary, extended hours, direct insurance billings, same day emergency. tel: 403-275-4000. #206, 8120 Beddington Blvd, NW. Calgary (Beddington Towne Centre - inside the London Drugs, Safeway Mall)
Pneumonia and concurrent eggs retention in a river terrapin (Batagur baska) - Universiti Putra Malaysia Institutional...Pneumonia and concurrent eggs retention in a river terrapin (Batagur baska) - Universiti Putra Malaysia Institutional...
A case report of pneumonia and egg retention in a river terrapin was presented in this paper. A 20 year-old river terrapin (Batagur baska) was presented with complaint of coughing with blood discharge, wheezing breathing and inappetance. Plain radiograph showed both right and left lung lobes were consolidated due to pneumonia 90% and 70%, respectively. Tentative diagnosis of pneumonia due to opportunistic bacterial infection of Chromobacterium sp. and Plesiomonas shigelloides was made in this case based on bacterial isolation and response to antibiotic and anti-inflammatory drugs. Enrofloxacin and flunixin meglumine were administered from Day-1 to -5. Enrofloxacin was then changed to gentamicin since it showed resistance in those bacteria. No clinical changes were observed. Gentamicin was given at rate 2.5 mg/kg once a week intramuscularly and prednisolone 2 mg/kg once on Day-6 given intramuscularly, showed a response on Day-10 of hospitalisation with the evidence of reduction in lung ...
Bacteria Sourced Microbial Lipase Market 2019 Industry Outline, Global Executive Players, Interpretation and Benefit Growth to...Bacteria Sourced Microbial Lipase Market 2019 Industry Outline, Global Executive Players, Interpretation and Benefit Growth to...
Creative Enzymes (US). The report begins with the overview of the Bacteria Sourced Microbial Lipase Market and offers throughout development. It presents a comprehensive analysis of all the regional and major player segments that gives closer insights upon present market conditions and future market opportunities along with drivers, trending segments, consumer behaviour, pricing factors and market performance and estimation throughout the forecast period.. The report also covers geographical markets and key players that have adopted significant strategies for business developments. The data within the report is displayed in a statistical format to offer a better understanding upon the dynamics. The report compiles exhaustive information acquired through proven research methodologies and from dedicated sources across several industries.. To Buy Full Version Of This Report, Visit https://dataintelo.com/checkout/?reportId=127302. The report segments the Global Bacteria Sourced Microbial Lipase ...
Aconitum Violaceum | Find Me A CureAconitum Violaceum | Find Me A Cure
Botanical Name : Aconitum violaceum Family : Ranunculaceae Genus : Aconitum Tibetan Common Name:: bdud rtsi lo ma, bong nga nag po (Amrita leaves, black
Microbial Lipase Market - Growth, Trends and Forecasts (2018 - 2023)Microbial Lipase Market - Growth, Trends and Forecasts (2018 - 2023)
[162 Pages Report] The microbial lipase market was valued at USD 400.6 Million in 2017 and is projected to reach USD 590.2 Million by 2023, growing at a CAGR of 6.8% from 2018, in terms of value.
Adenostemma viscosum - Useful Tropical PlantsAdenostemma viscosum - Useful Tropical Plants
Externally, the crushed stems and leaves are applied as a poultice for headache, ulcerations of the nose, and on the abdomen against diarrhoea, often in association with Persicaria barbata, and the leaves of Uraria and Momordica species ...
Gibbonsiella salina y blazariella eurihalina dos nuevas bacterias halófilas moderadasGibbonsiella salina y blazariella eurihalina dos nuevas bacterias halófilas moderadas
Except where otherwise noted, this items license is described as Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License ...
Pigments photosynthesize without CO2 : Halobacteria - AskNaturePigments 'photosynthesize' without CO2 : Halobacteria - AskNature
Pumps and selective uptake devices need fuel - biological energy - and halobacteria, unlike Dunaliella, are not able to photosynthesise energy-yielding organic matter from carbon dioxide. They need pre-formed organic matter as food, and supplies of this are likely to be intermittent. However, their membranes do possess a unique way of obtaining energy from light. In their membranes are patches of purple pigments called rhodopsins. These are light-sensitive. Actually, they are chemically related to pigments in the retinas of our eyes, the light receptors which enable us to see. Not that halobacteria can see; in their case the pigments capture light energy and use it to generate a substance called ATP, which is the universal source of biological energy in cells…In the process of generating ATP, ions are swapped between the interior and exterior of the cell such that most of the sodium ends up outside and potassium is retained: light helps the ion pump work. This is a special kind of ...
REVIEW: bh Cosmetics Foil Eyes 28 Color Palette + Swatches - Prairie BeautyREVIEW: bh Cosmetics Foil Eyes 28 Color Palette + Swatches - Prairie Beauty
The finale row is also one that I think will excite a lot of people. Theres a light pink that will make a great lid shade and a deep brown that will make a gorgeous brown smoky eye. Next there are three brights that probably arent for the faint of heart. The purple is stunning and manages to avoid the curse of the purple pigment and gives amazing full colour. The peacock blue is another stunner that I think Ill reach for more for the lower lashline, but gives such stunning pigment that Im tempted to play with it on the lid. Finally, theres a bright canary yellow that screams summertime. The last two shades, a burnt copper and a deep chocolate brown with a hint of burgundy, are also absolutely beautiful and will also get a lot of use by me ...
Team:SJTU-BioX-Shanghai - 2012.igem.orgTeam:SJTU-BioX-Shanghai - 2012.igem.org
ü The honors we have won: Regional Winner, Best New BioBrick Part or Device Engineered and Gold Medal at Asia Jamboree; Advanced to World Championship.. ü The breakthrough we made: Redefinition of scaffold in Synthetic Biology by recruiting E.colis inner membrane as a natural two-dimensional scaffold. ü The system we built: 6 membrane proteins orderly organized on the inner membrane of E.coli, the feasibility of which has been confirmed by fluorescence complementation assay and biosynthesis experiment.. ü Device 1 we created - Membrane Accelerator: A universal tool that serves to accelerate biochemical reactions in E.coli; Rate of fatty acids synthesis was increased by 24 fold compared to wild-type E.coli and 9 fold compared to E.coli overexpressing cytoplasmic enzymes.. ü Device 2 we created - Membrane Rudder: A universal tool used to dynamically and artificially control biochemical reactions in E.coli; the direction of Violacein and Deoxyviolacein synthetic pathway was successfully ...
Tanino Protein | Fit CosméticosTanino Protein | Fit Cosméticos
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... : Refurbished Tru-Eze 4-Section Hi-Lo Traction Table w/ Adjustable Traction Mount Specifications: Warranty,90 days,
Boss VE-1 ▷ iMusoBoss VE-1 ▷ iMuso
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Bare Escentuals bareMinerals Pink Eyecolor ReviewsBare Escentuals bareMinerals Pink Eyecolor Reviews
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Diarylheptanoids from Alnus viridis ssp viridis and Alnus glutinosa: Modulation of Quorum Sensing Activity in Pseudomonas...Diarylheptanoids from Alnus viridis ssp viridis and Alnus glutinosa: Modulation of Quorum Sensing Activity in Pseudomonas...
Diarylheptanoids from the barks of Alnus viridis ssp. viridis (green alder) and Alnus glutinosa (black alder) were explored for anti-quorum sensing activity. Chemicals with anti-quorum sensing activity have recently been examined for antimicrobial applications. The anti-quorum sensing activity of the selected diarylheptanoids was determined using two biosensors, namely Pseudomonas aeruginosa PAO1 and Chromobacterium violaceum CV026. Although all of the investigated compounds negatively influenced the motility of P. aeruginosa PAO1, four were able to inhibit biofilm formation of this human opportunistic pathogen for 40-70%. Three of the diarylheptanoids (3, 4, and 5) negatively influenced the biosynthesis of pyocyanin, which is under the control of quorum sensing. Platyphyllenone (7) and hirsutenone (5) were able to inhibit the biosynthesis of violacein in C. violaceum CV026, with 5 being able to inhibit the synthesis of both biopigments. Only one of the tested diarylheptanoids (1) was ...shown ...
Publication : USDA ARSPublication : USDA ARS
Interpretive Summary: Pecans are economically the most important native nut crop in the USA. Among the major concerns are the pecan weevil, pecan aphids, and diseases such as pecan scab. These pests are generally controlled with broad spectrum chemicals. The chemical pesticides can be harmful to the environment and garner secondary pest outbreaks and resistance. Our overall goal for this project is to develop alternative production practices for pecans that are sustainable and effective. The research reported herein focuses on pecan weevil and aphid control and also suppression of pecan scab. The focus of the research has been on the use of novel environmentally friendly insecticides based on bacterial products. We discovered that a bacteria-based product (Grandevo®, based on a bacteria called Chromobacterium subtsugae), significantly reduced pecan weevil damage in USDA and commercial pecan orchards. Additionally, the bacterial product reduced pecan aphid populations. This is especially ...
The Biologist Is In: November 2016The Biologist Is In: November 2016
I grew a couple different types of tomatillos (Physalis ixocarpa) this year. I collected seeds for the first one from a medium-sized, dark purple fruit I got from a local CSA. The plants didnt thrive, but they did pretty good considering the lack of care I gave them. The plants have lots of purple pigment on the stems and the fruit husks, but the fruit themselves remain bright green on the plant. Once the fruit are picked and the husk is removed, the green fruit start developing intense purple pigment in response to light. The original fruit was purple all the way through, but no fruit this year have such a pigment pattern. Im hoping the coloration of these plants indicates they are hybrids and so the darker color may turn up again in the F2 generation next year ...
Biological Foundations 112, Lecture 21Biological Foundations 112, Lecture 21
similar microtubules b. Prokaryote flagella - solid structure made of long filaments of protein 5. No prokaryotes have cells II. Archaebacteria A. Bacteria appear similar under the microscope but differ biochemically B. Characteristics of archaebacteria 1. No peptidoglycan in the cell wall 2. Inhabit extreme environments C. Three groups 1. Extreme halophiles a. Occur only in extremely salty environments b. Found in salt brines used to cure fish (red patches on fish) c. Osmotic potential of cell usually within range of most bacteria d. Some are photosynthetic, using the purple pigment bacteriorhodopopsin 2. Methanogens a. Anaerobes b. Produce methane from carbon dioxide and hydrogen c. Inhabit sewage and swamps and are common in digestive tracts d. Most common of the archaebacteria 3. Thermacidophiles a. Grow in hot, acidic environments b. Common in hot sulfur springs III. Cyanobacteria (Cyanophyta) A. Occurrence 1. Ponds, lakes, swimming pools 2. Moist soils, dead logs, and the bark of trees 3. ...
Red Cabbage - Dale PinnockRed Cabbage - Dale Pinnock
What are the health benefits of red cabbage? All cabbage is very good for you, but red cabbage is definitely top of the list for me. The deep purple pigment is one of the real keys here. It is delivered by a powerful group of antioxidant compounds called anthocyanins, similar o what would be found in things such as blueberries and red wine.. Anti-inflammatory. Anthocyanins deliver reasonable anti-inflammatory activity, especially for the digestive tract and cardiovascular system. They help to reduce some of the chemicals that actually trigger inflammation in the first place. Within the cardiovascular system, flavonoids such as anthocyanins can help to protect the endothelium, the inner skin that lines the inside of blood vessels, from inflammatory damage. This is the damage that can set the stage for the whole cascade of events that lead to full blown heart disease with its calcified fatty plaques within the vessel walls.. Blood pressure. The anti-inflammatory functions outlined above are the ...
Dryobstes major - Kamus Online - 369,740 kataDryobstes major - Kamus Online - 369,740 kata
French \French\ (fr[e^]nch), prop. a. [AS. frencisc, LL. franciscus, from L. Francus a Frank: cf. OF. franceis, franchois, fran[,c]ois, F. fran[,c]ais. See {Frank}, a., and cf. {Frankish}.] Of or pertaining to France or its inhabitants. [1913 Webster] {French bean} (Bot.), the common kidney bean ({Phaseolus vulgaris}). {French berry} (Bot.), the berry of a species of buckthorn ({Rhamnus catharticus}), which affords a saffron, green or purple pigment.
Rhododendron ( Ilam Melford Lemon Ilam Hybrid Azalea ) | Backyard Gardener - Gardening InformationRhododendron ( Ilam Melford Lemon Ilam Hybrid Azalea ) | Backyard Gardener - Gardening Information
The Ilam azaleas are hybrids developed in New Zealand from crosses between R. molle, R. calendulaceum, and R. viscosum. Upright, deciduous shrub that is cold
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Teses e dissertaçõesTeses e dissertações
Candidiasis is a mycosis caused by fungi of the genus Candida spp. It affects up to 50% of the worlds population and may progress to candidaemia, leading to death in up to a half of patients. Commercial drugs used in its ...
Antimicrobial, Anti-Biofilm, Anti-Quorum Sensing, Antifungal and Synergistic Effects of Some Medicinal Plants ExtractsAntimicrobial, Anti-Biofilm, Anti-Quorum Sensing, Antifungal and Synergistic Effects of Some Medicinal Plants Extracts
A biofilm is the assembly of microbial cells that are entrapped in an extracellular polymeric substance matrix. Biofilm members are able to talk, communicate, exchange virulence factor with each other according to quorum sensing. Biofilm formation by bacteria is a major factor in pathogenesis and in survival. The objective is to screen plants for their In Vitro antibacterial, anti-biofilm, and anti-quorum sensing. Extracts from the dried aerial parts of plant were prepared using 70% ethanol. All extracts were screened for their antibacterial and antifungal activity, determination the MIC50, anti-biofilm activity, anti-quorum sensing, and synergistic effect. The diameter of inhibition zone resulted from the plant extracts against the bacteria ranged from 0 to 22 mm, while against fungal was 0 to 52 mm. The MIC50 ranged from 0.3-81.3 mg/ml against Pseudomonas aeruginosa, 0.02-20.8 mg/ml against fungal. Pelargonium hortorum exhibited the highest antimicrobial activity. Agave sisalana has the ...
Announcement: the Lipase Engineering DatabaseAnnouncement: the Lipase Engineering Database
The Lipase Engineering Database is online ! The Lipase Engineering Database (LED) is a WWW-accessible resource on sequence-structure-function relationships of microbial lipases. Sequences of 92 microbial lipases and homologous serine hydrolases were assigned to 32 homologous families and 15 superfamilies. Multisequence alignments of all homologous families and superfamilies are provided. Functionally relevant amino acids are annotated. The complete catalytic machinery (catalytic triad and two oxyanion hole residues) could be annotated in 91 % of LED sequence entries. Published mutants and their properties are provided. The X-ray structures of 22 lipases were superposed and annotated. Consistently annotated aligned sequences and superimposed structures of microbial lipases help to understand the functional role of individual amino acids and thus the LED is a useful tool for protein engineering. We have also set up a mailing list as a forum for discussions and announcements on topics related to ...
KEGG PATHWAY: Quorum sensingKEGG PATHWAY: Quorum sensing
Quorum sensing (QS) is a regulatory system that allows bacteria to share information about cell density and adjust gene expression accordingly. All QS bacteria produce and release chemical signal molecules called autoinducers (AIs) that increase in concentration as a function of cell density. The most commonly studied AIs belong to one of the following three categories: acylated homoserine lactones, also referred to as AI-1, used by Gram-negative bacteria; peptide signals, used by Gram-positive bacteria; and AI-2, used by both Gram-negative and Gram-positive bacteria. QS can be divided into at least 4 steps: production of AIs by the bacterial cell; release of AIs, either actively or passively, into the surrounding environment; recognition of AIs by specific receptors; and leading to changes in gene regulation once they exceed a threshold concentration. The processes controlled by QS include virulence, competence, conjugation, antibiotic production, motility, sporulation, and biofilm formation ...
Janithobacterium lividum strain DSM 1522 | BIOL250: Microbial diversity in Prince Edward CountyJanithobacterium lividum strain DSM 1522 | BIOL250: Microbial diversity in Prince Edward County
Janithobacterium lividum strain DSM 1522 is a gram-negative bacterium that has antimicrobial and antitumor properties. It is usually found on the skin of amphibians. Its a helpful bacterium because it protects against fungal pathogens. It was found that altering the amount of Janthinobacterium lividum produced on the skin of an amphibian allows for an increasingly higher chance of protection against chytridiomycosis, therefore allowing the survival rate to be much higher (Harris, 2009).. References:. Harris, R. N., Brucker, R. M., Walke, J. B., Becker, M. H., Schwantes, C. R., Flaherty, D. C., . . . Minbiole, KP. (2009, March 26). Skin microbes on frogs prevent morbidity and mortality caused by a lethal skin fungus. The ISME Journal 3, 818-824. Available from google scholar. Retrieved April 02, 2017, from http://www.nature.com/ismej/journal/v3/n7/abs/ismej200927a.html. Methods for isolation and identification:. ...
Sea Snail Purple in Contemporary Japanese Embroidery by Takako Terada"Sea Snail Purple in Contemporary Japanese Embroidery" by Takako Terada
Shellfish purple, known also as murex, is a dye obtained from molluscs and it has long been associated primarily with Central American textiles. It is also a very ancient dye in Japan but it is less well known. The earliest evidence is from the Yoshinogari site which dates to circa 100 BCE, where a shell bracelet shows traces of shellfish purple pigment. This archaeological find is particularly important because in all of East Asia there has been little other evidence of ancient shellfish purple dye. Several years ago I was asked to investigate the dye. My project was to research various species of snails and to prepare dye samples to give an indication of the actual color results from shellfish purple. My experimentation involved worldwide species as well as Japanese snails. I have confirmed that there are 2,000 species of the Muricidae family, of which approximately 600 species are found in East Asia. Approximately 200 of these snails can be used to make a purple dye. The focus of this present
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Make sure your blonde hair stays vibrant for as long as possible! This violet pigment infused shampoo helps toneutralize brassy tones while softening strands.
Urine | Find Me A CureUrine | Find Me A Cure
Physicians suspect that UTI exists based on the symptoms. A routine urine examination shows abnormalities like pus cells or blood in the urine. A culture can be done to determine the organism responsible so that the appropriate antibiotic can be administered.. Untreated patients of UTI can sometimes recover spontaneously without treatment in a few months. But the infection can also enter the blood stream, causing potentially fatal septicaemia. The kidneys may become scarred, too. This leads to high blood pressure and kidney failure. During pregnancy, recurrent or chronic UTI or asymptomatic UTI compromises the placental blood supply. This affects the babys nutrition, leading to low birth weight and sometimes causing the mother to go into premature labour.. There are several regimens for treating UTI. Depending on the organism and antibiotic, in adult women a three-day course is usually sufficient for mild infection. In most cases and in the case of men, however, a 7-10 or 14-day course is ...
What are frigatebirds? | Reference.comWhat are frigatebirds? | Reference.com
Frigatebirds are oceanic birds of tropical and subtropical regions. There are five species, all belonging to the genus Fregata. They are also known as man of war birds and pirate...
sports : Veg Scoopsports : Veg Scoop
The phytosterol produced from the oldest cultivated of the world Gamma oryzanol. It contains antioxidant substances that counteract free radicals and affect the skin aging process. Munich, October 15, 2008 - the grass counting rice plant (lat. oryza sativa) is considered the oldest crop in the world and is found in tropical and subtropical regions. […]. ...
7 Quick Takes Friday: Things are Hard | House Unseen. Life Unscripted.7 Quick Takes Friday: Things are Hard | House Unseen. Life Unscripted.
Do you know what is making me the most sad today though? That Tommy has expanded his job search to include Grand Rapids and Lansing. Because what else do you do when nothing is working out and youre running out of money and your kids need to eat? Sometimes you just have to let go of what you wish were best. For me, thats staying here, in this house, in this town, at this parish for ever and ever and ever, because I love it all so, so, so, so much. Ive never been heartbroken by the prospect of moving, but if he gets a job in downtown Lansing, he will NOT be able to commute from here to there for very long. The price of gas. His time away from us. It wouldnt be worth it. So we will probably have to consider moving. I will cry my little broken heart out. And so will my girls. This whole situation has just gone from questionable to super suck-tastic in the span of 48 stressful hours ...
Tryptophan alpha,beta-oxidaseTryptophan alpha,beta-oxidase
ViolaceinViolacein
Acetylserotonin O-methyltransferaseAcetylserotonin O-methyltransferase
RomidepsinRomidepsin
AztreonamAztreonam
List of sequenced bacterial genomesList of sequenced bacterial genomes
CopperCopper
HalomonadaceaeHalomonadaceae
DepsipeptideDepsipeptide
ChromohalobacterChromohalobacter
Chemical defenseChemical defense
Pseudomonas oryzihabitansPseudomonas oryzihabitans
PetroleumPetroleum
Tarball (oil)Tarball (oil)
Bacterial morphological plasticityBacterial morphological plasticity
Emergency managementEmergency management
UDP-N-acetyl-2-amino-2-deoxyglucuronate dehydrogenaseUDP-N-acetyl-2-amino-2-deoxyglucuronate dehydrogenase
Microbial artMicrobial art
Bacterium (genus)Bacterium (genus)
Acetoacetate decarboxylaseAcetoacetate decarboxylase
Burkholderia pseudomalleiBurkholderia pseudomallei
List of MeSH codes (B03)List of MeSH codes (B03)
ChromobacteriumChromobacterium
Chromobacterium violaceumChromobacterium violaceum
NeisseriaceaeNeisseriaceae
Urinary tract infectionUrinary tract infection
CholeraCholera
Travelers diarrheaTraveler's diarrhea
Meningococcal diseaseMeningococcal disease
Chromobacteriosis infectionChromobacteriosis infection
AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPsychiatry and PsychologyPhenomena and ProcessesDisciplines and OccupationsAnthropology, Education, Sociology and Social PhenomenaTechnology, Industry, AgricultureInformation ScienceHealth Care
ChromobacteriumGram-Negative Bacterial InfectionsElectronic WasteAcyl-ButyrolactonesQuorum Sensing4-ButyrolactoneEncyclopedias as TopicFlagellaAnti-Bacterial AgentsPhenylalanine HydroxylasePhenylalaninePhenylketonuriasRibosome Subunits, Small, EukaryoticMolecular Sequence DataCupriavidusProphagesNuclear Magnetic Resonance, BiomolecularFuraldehydeMagnetic Resonance SpectroscopyFrancisella tularensisCrystallography, X-RayPyridoxal PhosphateModels, MolecularMetalsBiopterinPatents as TopicAgrochemicalsEcotoxicologyStreptomycesInventionsActinobacteriaX-Ray Absorption SpectroscopyCopperX-RaysComputer SecurityConfidentialityPrivacyDeuteriumIsotopesPortal VeinAminopeptidasesLeucyl AminopeptidaseAntigens, CD13Glutamyl AminopeptidaseCystinyl AminopeptidaseAmino Acid SequencePubMedPeriodicals as TopicBooksPublishingMEDLINESerial PublicationsBiological Science Disciplines
Chromobacterium violaceum - WikipediaChromobacterium violaceum - Wikipedia
RCSB PDB - 1LTV: CRYSTAL STRUCTURE OF CHROMOBACTERIUM VIOLACEUM PHENYLALANINE HYDROXYLASE, STRUCTURE WITH BOUND...RCSB PDB - 1LTV: CRYSTAL STRUCTURE OF CHROMOBACTERIUM VIOLACEUM PHENYLALANINE HYDROXYLASE, STRUCTURE WITH BOUND...
IJMS | Free Full-Text | Solution NMR Structure of Hypothetical Protein CV 2116 Encoded by a Viral Prophage Element in...IJMS | Free Full-Text | Solution NMR Structure of Hypothetical Protein CV 2116 Encoded by a Viral Prophage Element in...
Crystal structures of the Chromobacterium violaceumω-transaminase reveal major structural rearrangements upon binding of...Crystal structures of the Chromobacterium violaceumω-transaminase reveal major structural rearrangements upon binding of...
Mechanism of Metal-Independent Hydroxylation by Chromobacterium violaceum Phenylalanine Hydroxylase<...Mechanism of Metal-Independent Hydroxylation by Chromobacterium violaceum Phenylalanine Hydroxylase<...
CHROMOBACTERIUM BIOACTIVE COMPOSITIONS AND METABOLITES - Patent applicationCHROMOBACTERIUM BIOACTIVE COMPOSITIONS AND METABOLITES - Patent application
X-ray Absorption Studies of the Cu-Dependent Phenylalanine Hydroxylase from Chromobacterium violaceum. Comparison of the Copper...X-ray Absorption Studies of the Cu-Dependent Phenylalanine Hydroxylase from Chromobacterium violaceum. Comparison of the Copper...
Measurement of the Intramolecular Isotope Effect on Aliphatic Hydroxylation by Chromobacterium violaceum Phenylalanine...Measurement of the Intramolecular Isotope Effect on Aliphatic Hydroxylation by Chromobacterium violaceum Phenylalanine...
Romidepsin - WikipediaRomidepsin - Wikipedia
Antimicrobial activities of Marcgraviaceae species and isolation of a naphthoquinone from <i>Marcgravia nervosa</i> ...Antimicrobial activities of Marcgraviaceae species and isolation of a naphthoquinone from <i>Marcgravia nervosa</i> ...
Medical Laboratory and Biomedical Science: Valentine DrawingsMedical Laboratory and Biomedical Science: Valentine Drawings
The potential of dietary lipases to improve fat utilization in young birdsThe potential of dietary lipases to improve fat utilization in young birds
Nighthawks Open Institutional Repository - University of North Georgia Annual Research Conference: Pyrrolo[2,1-c][1,4...Nighthawks Open Institutional Repository - University of North Georgia Annual Research Conference: Pyrrolo[2,1-c][1,4...
Chromobacterium - WikipediaChromobacterium - Wikipedia
Comparative carbohydrate catabolism in Chromobacterium species | Open LibraryComparative carbohydrate catabolism in Chromobacterium species | Open Library
Chromobacterium violaceum - microbewikiChromobacterium violaceum - microbewiki
Chromobacterium violaceum sepsis in an infant.Chromobacterium violaceum sepsis in an infant.
BS642 11190 - Uncharacterized protein - Chromobacterium pseudoviolaceum - BS642 11190 gene & proteinBS642 11190 - Uncharacterized protein - Chromobacterium pseudoviolaceum - BS642 11190 gene & protein
Mecanismos de captação de ferro por sideróforos em Chromobacterium violaceumMecanismos de captação de ferro por sideróforos em Chromobacterium violaceum
Chromobacterium violaceum endocarditis and hepatic abscesses treated successfully with meropenem and ciprofloxacin | The...Chromobacterium violaceum endocarditis and hepatic abscesses treated successfully with meropenem and ciprofloxacin | The...
Draft Genome Sequence of Chromobacterium violaceum Strain CV017Draft Genome Sequence of Chromobacterium violaceum Strain CV017
Genetic analysis of violacein biosynthesis by Chromobacterium violaceumGenetic analysis of violacein biosynthesis by Chromobacterium violaceum
RCSB PDB - 1ZC6: Crystal Structure of Putative N-acetylglucosamine Kinase from Chromobacterium violaceum. Northeast Structural...RCSB PDB - 1ZC6: Crystal Structure of Putative N-acetylglucosamine Kinase from Chromobacterium violaceum. Northeast Structural...
Bacteremia and Urinary Tract Infection Caused by Chromobacterium violaceum: Case Reports from a Tertiary Care Hospital in...Bacteremia and Urinary Tract Infection Caused by Chromobacterium violaceum: Case Reports from a Tertiary Care Hospital in...
Bacteremia and Urinary Tract Infection Caused by Chromobacterium violaceum: Case Reports from a Tertiary Care Hospital in...Bacteremia and Urinary Tract Infection Caused by Chromobacterium violaceum: Case Reports from a Tertiary Care Hospital in...
Chromobacterium haemolyticum Pneumonia Associated with Near-Drowning and River Water, Japan - Volume 26, Number 9-September...Chromobacterium haemolyticum Pneumonia Associated with Near-Drowning and River Water, Japan - Volume 26, Number 9-September...
Figure 2 - Chromobacterium haemolyticum Pneumonia Associated with Near-Drowning and River Water, Japan - Volume 26, Number 9...Figure 2 - Chromobacterium haemolyticum Pneumonia Associated with Near-Drowning and River Water, Japan - Volume 26, Number 9...
Molecules | Free Full-Text | Chromobacterium violaceum and Pseudomonas aeruginosa PAO1: Models for Evaluating Anti-Quorum...Molecules | Free Full-Text | Chromobacterium violaceum and Pseudomonas aeruginosa PAO1: Models for Evaluating Anti-Quorum...
Chromobacterium violaceum in Northern Australia: A Sheep in Wolfs Clothing? | The American Journal of Tropical Medicine and...Chromobacterium violaceum in Northern Australia: A Sheep in Wolf's Clothing? | The American Journal of Tropical Medicine and...
Extraction of Violacein From Chromobacterium Violaceum Provides a New Quantitative Bioassay for N-acyl Homoserine Lactone...Extraction of Violacein From Chromobacterium Violaceum Provides a New Quantitative Bioassay for N-acyl Homoserine Lactone...
purH - Bifunctional purine biosynthesis protein PurH - Chromobacterium violaceum (strain ATCC 12472 / DSM 30191 / JCM 1249 /...purH - Bifunctional purine biosynthesis protein PurH - Chromobacterium violaceum (strain ATCC 12472 / DSM 30191 / JCM 1249 /...
KEGG BRITE: KEGG Orthology (KO) - Chromobacterium sp. IIBBL 274-1KEGG BRITE: KEGG Orthology (KO) - Chromobacterium sp. IIBBL 274-1
Effects of natural and chemically synthesized furanones on quorum sensing in Chromobacterium violaceum - Zurich Open...Effects of natural and chemically synthesized furanones on quorum sensing in Chromobacterium violaceum - Zurich Open...
The mosquito adulticidal Chromobacterium sp. Panama causes transgenerational impacts on fitness parameters and elicits...The mosquito adulticidal Chromobacterium sp. Panama causes transgenerational impacts on fitness parameters and elicits...
IUCr) Structural studies of <span class=it><i>Pseudomonas</i></span> and <span class=it><i>Chromobacterium</i></span> <span...IUCr) Structural studies of <span class="it"><i>Pseudomonas</i></span> and <span class="it"><i>Chromobacterium</i></span> <span...
Fatal Chromobacterium violaceum septicaemia in northern Laos, a modified oxidase test and post-mortem forensic family G6PD...Fatal Chromobacterium violaceum septicaemia in northern Laos, a modified oxidase test and post-mortem forensic family G6PD...
medicinal mushrooms, |i|Ganoderma lucidum|/i| methanol extract, |i|Chromobacterium violaceum|/i| CV026, |i|N|/i|-hexanoyl...medicinal mushrooms, |i|Ganoderma lucidum|/i| methanol extract, |i|Chromobacterium violaceum|/i| CV026, |i|N|/i|-hexanoyl...
Kinetic Isotope Effects on Aromatic and Benzylic Hydroxylation by Chromobacterium violaceum Phenylalanine Hydroxylase...Kinetic Isotope Effects on Aromatic and Benzylic Hydroxylation by Chromobacterium violaceum Phenylalanine Hydroxylase...
AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPsychiatry and PsychologyPhenomena and ProcessesDisciplines and OccupationsAnthropology, Education, Sociology and Social PhenomenaTechnology, Industry, AgricultureInformation ScienceHealth Care
ChromobacteriumGram-Negative Bacterial InfectionsElectronic WasteAcyl-ButyrolactonesQuorum Sensing4-ButyrolactoneEncyclopedias as TopicFlagellaAnti-Bacterial AgentsPhenylalanine HydroxylasePhenylalaninePhenylketonuriasRibosome Subunits, Small, EukaryoticMolecular Sequence DataCupriavidusProphagesNuclear Magnetic Resonance, BiomolecularFuraldehydeMagnetic Resonance SpectroscopyFrancisella tularensisCrystallography, X-RayPyridoxal PhosphateModels, MolecularMetalsBiopterinPatents as TopicAgrochemicalsEcotoxicologyStreptomycesInventionsActinobacteriaX-Ray Absorption SpectroscopyCopperX-RaysComputer SecurityConfidentialityPrivacyDeuteriumIsotopesPortal VeinAminopeptidasesLeucyl AminopeptidaseAntigens, CD13Glutamyl AminopeptidaseCystinyl AminopeptidaseAmino Acid SequencePubMedPeriodicals as TopicBooksPublishingMEDLINESerial PublicationsBiological Science Disciplines
ViolaceumPHENYLALANINE HYDROXYLASESpeciesATCCCaused by Chromobacterium violaceumSepsisBacterialPseudomonasGenusSubtsugaeHaemolyticumFree-living baGenomeQuorumViolaceinRare pathogenTropical and subtropical regionsBacterium foundFacultative anaerobicGram negativeAntimicrobialGenesStructuralPneumoniaVirulenceHumansAspirateEnzymesCase report
Violaceum10
PHENYLALANINE HYDROXYLASE2
Species9
ATCC1
Caused by Chromobacterium violaceum4
Sepsis6
  • Chromobacterium violaceum sepsis in an infant. (biomedsearch.com)
  • In general, Chromobacterium violaceum is involved in causing fatal cases of sepsis, visceral abscesses, and skin and soft tissue infections with mortality rate up to 65-80% [ 3 , 6 ]. (hindawi.com)
  • Chromobacterium violaceum is a ß-proteobacterium found widely worldwide with important biotechnological properties and is associated to lethal sepsis in immune-depressed individuals. (chalmers.se)
  • Se presentan 2 casos en niños el primero es un varón de 8 años con lesiones en piel , fiebre y adenitis inguinal, que ingresó con un cuadro de sepsis severa, síndrome de distrés respiratorio agudo (SDRA) y falleció a las 3 h del ingreso. (bvsalud.org)
  • El segundo caso, es una niña de 12 años con antecedente de fiebre y adenopatía inguinal secundaria a herida cortopunzante en el pie homolateral, que ingresó con un cuadro de sepsis , con desarrollo de abscesos múltiples profundos. (bvsalud.org)
  • Chromobacterium violaceum is a facultative anaerobic Gramnegative bacillus , widely distributed in water and soil in tropical and subtropical regions and associated with respiratory and gastrointestinal infections , liver abscesses , meningitis , endocarditis , hemophagocytic syndrome , and fulminant sepsis . (bvsalud.org)
Bacterial3
Pseudomonas1
Genus1
Subtsugae1
Haemolyticum3
Free-living ba2
Genome1
Quorum4
Violacein5
Rare pathogen1
Tropical and subtropical regions4
Bacterium found1
Facultative anaerobic1
Gram negative2
Antimicrobial1
  • Appendix 1 ) and assessed antimicrobial susceptibility patterns of Chromobacterium isolates ( Appendix 1 Table). (cdc.gov)
Genes1
Structural1
Pneumonia1
  • We describe a case of Chromobacterium -associated pneumonia due to near-drowning and environmental investigation of a river site of the near-drowning. (cdc.gov)
Virulence1
  • In this work, we identified pathways for production and uptake of siderophores, and we defined the role of these molecules in virulence of the bacterium Chromobacterium violaceum, an abundant component of the microbiota of soil and water, which occasionally causes serious infections in humans. (usp.br)
Humans2
Aspirate2
Enzymes1
Case report1
RCSB PDB - 3QP5: Crystal structure of CviR bound to antagonist chlorolactone (CL)
RCSB PDB - 3QP5: Crystal structure of CviR bound to antagonist chlorolactone (CL) (rcsb.org)
Mechanism of Metal-Independent Hydroxylation by Chromobacterium violaceum Phenylalanine Hydroxylase<...
Mechanism of Metal-Independent Hydroxylation by Chromobacterium violaceum Phenylalanine Hydroxylase<... (pennstate.pure.elsevier.com)
X-ray Absorption Studies of the Cu-Dependent Phenylalanine Hydroxylase from Chromobacterium violaceum. Comparison of the Copper...
X-ray Absorption Studies of the Cu-Dependent Phenylalanine Hydroxylase from Chromobacterium violaceum. Comparison of the Copper... (ohsu.pure.elsevier.com)
Medical Laboratory and Biomedical Science: Valentine Drawings
Medical Laboratory and Biomedical Science: Valentine Drawings (clinical-laboratory.blogspot.com.au)
The potential of dietary lipases to improve fat utilization in young birds
The potential of dietary lipases to improve fat utilization in young birds (ecommons.usask.ca)
IUCr) Structural studies of <span class=it><i>Pseudomonas</i></span> and <span class=it><i>Chromobacterium</i></span> <span...
IUCr) Structural studies of <span class="it"><i>Pseudomonas</i></span> and <span class="it"><i>Chromobacterium</i></span> <span... (journals.iucr.org)
Gram-Negative Bacteria | SpringerLink
Gram-Negative Bacteria | SpringerLink (link.springer.com)
Comparative carbohydrate catabolism in Chromobacterium species | Open Library
Comparative carbohydrate catabolism in Chromobacterium species | Open Library (openlibrary.org)
Chromobacterium violaceum - microbewiki
Chromobacterium violaceum - microbewiki (microbewiki.kenyon.edu)
Volume 191, Issue 7 | The Medical Journal of Australia
Volume 191, Issue 7 | The Medical Journal of Australia (mja.com.au)
DSMZ 30191 Strain Passport - StrainInfo
DSMZ 30191 Strain Passport - StrainInfo (straininfo.net)
The Complete Genome and Proteome of Laribacter hongkongensis Reveal Potential Mechanisms for Adaptations to Different...
The Complete Genome and Proteome of Laribacter hongkongensis Reveal Potential Mechanisms for Adaptations to Different... (journals.plos.org)
Ecthyma Gangrenosum: Background, Pathophysiology, Etiology
Ecthyma Gangrenosum: Background, Pathophysiology, Etiology (emedicine.medscape.com)
The mosquito adulticidal Chromobacterium sp. Panama causes transgenerational impacts on fitness parameters and elicits...
The mosquito adulticidal Chromobacterium sp. Panama causes transgenerational impacts on fitness parameters and elicits... (parasitesandvectors.biomedcentral.com)
Frontiers | Aedes spp. and Their Microbiota: A Review | Microbiology
Frontiers | Aedes spp. and Their Microbiota: A Review | Microbiology (frontiersin.org)
Discovering Antibacterial and Anticancer Therapeutics in Unexpected Places | The New York Academy of Sciences
Discovering Antibacterial and Anticancer Therapeutics in Unexpected Places | The New York Academy of Sciences (nyas.org)
Brazil articles, all-time results - Emerging Infectious Diseases journal - CDC
Brazil articles, all-time results - Emerging Infectious Diseases journal - CDC (wwwnc.cdc.gov)
Other Gram Negative Bacilli Flashcards by Jella Millado | Brainscape
Other Gram Negative Bacilli Flashcards by Jella Millado | Brainscape (brainscape.com)
Influence of aeration on hydrogen cyanide biosynthesis by Pseudomonas aeruginosa | SpringerLink
Influence of aeration on hydrogen cyanide biosynthesis by Pseudomonas aeruginosa | SpringerLink (link.springer.com)
PIGMENTOS BACTERIANOS by valentina manquez on Prezi
PIGMENTOS BACTERIANOS by valentina manquez on Prezi (prezi.com)
Quorum Sensing and Its Role in Agrobacterium Mediated Gene Transfer | SpringerLink
Quorum Sensing and Its Role in Agrobacterium Mediated Gene Transfer | SpringerLink (link.springer.com)
Specificity of Acyl-Homoserine Lactone Synthases Examined by Mass Spectrometry | Journal of Bacteriology
Specificity of Acyl-Homoserine Lactone Synthases Examined by Mass Spectrometry | Journal of Bacteriology (jb.asm.org)
Frontiers | Salinity-Mediated Increment in Sulfate Reduction, Biofilm Formation, and Quorum Sensing: A Potential Connection...
Frontiers | Salinity-Mediated Increment in Sulfate Reduction, Biofilm Formation, and Quorum Sensing: A Potential Connection... (frontiersin.org)
Frontiers | In silico Analysis Reveals Distribution of Quorum Sensing Genes and Consistent Presence of LuxR Solos in the...
Frontiers | In silico Analysis Reveals Distribution of Quorum Sensing Genes and Consistent Presence of LuxR Solos in the... (frontiersin.org)
Organic Mite Control | Predatory Mites, Biological Controls and Organic Insecticides
Organic Mite Control | Predatory Mites, Biological Controls and Organic Insecticides (arbico-organics.com)
Difference between revisions of UCSD 2007 Spring - microbewiki
Difference between revisions of "UCSD 2007 Spring" - microbewiki (microbewiki.kenyon.edu)
UCSD 2007 Spring - microbewiki
UCSD 2007 Spring - microbewiki (microbewiki.kenyon.edu)
Products Compatible with Organic Landscape Management - Beyond Pesticides
Products Compatible with Organic Landscape Management - Beyond Pesticides (beyondpesticides.org)