Caulobacter crescentus
Caulobacter
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)
Bacteria
One of the three domains of life (the others being Eukarya and ARCHAEA), also called Eubacteria. They are unicellular prokaryotic microorganisms which generally possess rigid cell walls, multiply by cell division, and exhibit three principal forms: round or coccal, rodlike or bacillary, and spiral or spirochetal. Bacteria can be classified by their response to OXYGEN: aerobic, anaerobic, or facultatively anaerobic; by the mode by which they obtain their energy: chemotrophy (via chemical reaction) or PHOTOTROPHY (via light reaction); for chemotrophs by their source of chemical energy: CHEMOLITHOTROPHY (from inorganic compounds) or chemoorganotrophy (from organic compounds); and by their source for CARBON; NITROGEN; etc.; HETEROTROPHY (from organic sources) or AUTOTROPHY (from CARBON DIOXIDE). They can also be classified by whether or not they stain (based on the structure of their CELL WALLS) with CRYSTAL VIOLET dye: gram-negative or gram-positive.
Gene Expression Regulation, Bacterial
Flagellin
Cell Cycle
The complex series of phenomena, occurring between the end of one CELL DIVISION and the end of the next, by which cellular material is duplicated and then divided between two daughter cells. The cell cycle includes INTERPHASE, which includes G0 PHASE; G1 PHASE; S PHASE; and G2 PHASE, and CELL DIVISION PHASE.
Chromosomes, Bacterial
Alphaproteobacteria
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.
Site-Specific DNA-Methyltransferase (Adenine-Specific)
An enzyme responsible for producing a species-characteristic methylation pattern on adenine residues in a specific short base sequence in the host cell DNA. The enzyme catalyzes the methylation of DNA adenine in the presence of S-adenosyl-L-methionine to form DNA containing 6-methylaminopurine and S-adenosyl-L-homocysteine. EC 2.1.1.72.
Base Sequence
Caulobacteraceae
Gram-Negative Aerobic Bacteria
RNA Polymerase Sigma 54
Gram-Negative Bacteria
Endopeptidase Clp
Amino Acid Sequence
Mutation
Transcription, Genetic
Replication Origin
A unique DNA sequence of a replicon at which DNA REPLICATION is initiated and proceeds bidirectionally or unidirectionally. It contains the sites where the first separation of the complementary strands occurs, a primer RNA is synthesized, and the switch from primer RNA to DNA synthesis takes place. (Rieger et al., Glossary of Genetics: Classical and Molecular, 5th ed)
Cell Division
Operon
RNA, Bacterial
Promoter Regions, Genetic
Leviviridae
Pseudomonadaceae
Vanillic Acid
Genetic Complementation Test
Water Pollutants, Radioactive
Phosphorus-Oxygen Lyases
DNA-Binding Proteins
Mutagenesis, Insertional
Mutagenesis where the mutation is caused by the introduction of foreign DNA sequences into a gene or extragenic sequence. This may occur spontaneously in vivo or be experimentally induced in vivo or in vitro. Proviral DNA insertions into or adjacent to a cellular proto-oncogene can interrupt GENETIC TRANSLATION of the coding sequences or interfere with recognition of regulatory elements and cause unregulated expression of the proto-oncogene resulting in tumor formation.
Sigma Factor
Potassium Acetate
Sequence Homology, Amino Acid
DNA Transposable Elements
Discrete segments of DNA which can excise and reintegrate to another site in the genome. Most are inactive, i.e., have not been found to exist outside the integrated state. DNA transposable elements include bacterial IS (insertion sequence) elements, Tn elements, the maize controlling elements Ac and Ds, Drosophila P, gypsy, and pogo elements, the human Tigger elements and the Tc and mariner elements which are found throughout the animal kingdom.
Water Microbiology
Restriction Mapping
Phosphotungstic Acid
Tungsten hydroxide oxide phosphate. A white or slightly yellowish-green, slightly efflorescent crystal or crystalline powder. It is used as a reagent for alkaloids and many other nitrogen bases, for phenols, albumin, peptone, amino acids, uric acid, urea, blood, and carbohydrates. (From Merck Index, 11th ed)
Morphogenesis
Bacterial Adhesion
The phylogenetic relationships of Caulobacter, Asticcacaulis and Brevundimonas species and their taxonomic implications. (1/72)
The phylogenetic relationships among the species of Caulobacter, Asticcacaulis and Brevundimonas were studied by comparison of their 16S rDNA sequences. The analysis of almost complete sequences confirmed the early evolutionary divergence of the freshwater and marine species of Caulobacter reported previously [Stahl, D. A., Key, R., Flesher, B. & Smit, J. (1992). J Bacteriol 174, 2193-2198]. The freshwater species formed two distinct clusters. One cluster contained the species Caulobacter bacteroides, Caulobacter crescentus, Caulobacter fusiformis and Caulobacter henricii. C. bacteroides and C. fusiformis are very closely related (sequence identity 99.8%). The second cluster was not exclusive and contained the specis Caulobacter intermedius, Caulobacter subvibrioides and Caulobacter variabilis, as well as Brevundimonas diminuta and Brevundimonas vesicularis. The marine species Caulobacter halobacteroides and Caulobacter maris were very closely related, with a sequence identity of 99.7%. These two species were most closely but distantly related to the marine hyphal/budding bacteria Hyphomonas jannaschiana and Hirschia baltica, which formed a deep phylogenetic line with Rhodobacter sphaeroides and Rhodobacter capsulatus. Caulobacter leidyia is unrelated to the other species of Caulobacter and belongs to the alpha-4 subclass of the Proteobacteria, forming a distinct cluster with Asticcacaulis excentricus and Asticcacaulis biprosthecium. The taxonomic implications of the polyphyletic nature of the genus Caulobacter and the absence of a type culture for the type species of the genus Caulobacter vibrioides, are discussed. (+info)Phylogeny and polyphasic taxonomy of Caulobacter species. Proposal of Maricaulis gen. nov. with Maricaulis maris (Poindexter) comb. nov. as the type species, and emended description of the genera Brevundimonas and Caulobacter. (2/72)
The genus Caulobacter is composed of prosthecate bacteria often specialized for oligotrophic environments. The taxonomy of Caulobacter has relied primarily upon morphological criteria: a strain that visually appeared to be a member of the Caulobacter has generally been called one without challenge. A polyphasic approach, comprising 16S rDNA sequencing, profiling restriction fragments of 16S-23S rDNA interspacer regions, lipid analysis, immunological profiling and salt tolerance characterizations, was used to clarify the taxonomy of 76 strains of the genera Caulobacter. Brevundimonas, Hyphomonas and Mycoplana. The described species of the genus Caulobacter formed a paraphyletic group with Caulobacter henricii, Caulobacter fusiformis, Caulobacter vibrioides and Mycoplana segnis (Caulobacter segnis comb. nov.) belonging to Caulobacter sensu stricto. Caulobacter bacteroides (Brevundimonas bacteroides comb. nov.), C. henricii subsp. aurantiacus (Brevundimonas aurantiaca comb. nov.), Caulobacter intermedius (Brevundimonas intermedia comb. nov.), Caulobacter subvibrioides (Brevundimonas subvibrioides comb. nov.), C. subvibrioides subsp. albus (Brevundimonas alba comb. nov.), Caulobacter variabilis (Brevundimonas variabilis comb. nov.) and Mycoplana bullata belong to the genus Brevundimonas. The halophilic species Caulobacter maris and Caulobacter halobacteroides are different from these two genera and form the genus Maricaulis gen. nov. with Maricaulis maris as the type species. Caulobacter leidyia was observed to cluster with species of the genus Sphingomonas. Caulobacter crescentus is synonymous with C. vibrioides and C. halobacteroides is synonymous with Maricaulis maris as determined by these analyses and DNA-DNA hybridization. Biomarkers discerning these different genera were determined. The necessary recombinations have been proposed and a description of Maricaulis is presented. (+info)Regulation of stalk elongation by phosphate in Caulobacter crescentus. (3/72)
In Caulobacter crescentus, stalk biosynthesis is regulated by cell cycle cues and by extracellular phosphate concentration. Phosphate-starved cells undergo dramatic stalk elongation to produce stalks as much as 30 times as long as those of cells growing in phosphate-rich medium. To identify genes involved in the control of stalk elongation, transposon mutants were isolated that exhibited a long-stalk phenotype irrespective of extracellular phosphate concentration. The disrupted genes were identified as homologues of the high-affinity phosphate transport genes pstSCAB of Escherichia coli. In E. coli, pst mutants have a constitutively expressed phosphate (Pho) regulon. To determine if stalk elongation is regulated by the Pho regulon, the Caulobacter phoB gene that encodes the transcriptional activator of the Pho regulon was cloned and mutated. While phoB was not required for stalk synthesis or for the cell cycle timing of stalk synthesis initiation, it was required for stalk elongation in response to phosphate starvation. Both pstS and phoB mutants were deficient in phosphate transport. When a phoB mutant was grown with limiting phosphate concentrations, stalks only increased in length by an average of 1.4-fold compared to the average 9-fold increase in stalk length of wild-type cells grown in the same medium. Thus, the phenotypes of phoB and pst mutants were opposite. phoB mutants were unable to elongate stalks during phosphate starvation, whereas pst mutants made long stalks in both high- and low-phosphate media. Analysis of double pst phoB mutants indicated that the long-stalk phenotype of pst mutants was dependent on phoB. In addition, analysis of a pstS-lacZ transcriptional fusion showed that pstS transcription is dependent on phoB. These results suggest that the signal transduction pathway that stimulates stalk elongation in response to phosphate starvation is mediated by the Pst proteins and the response regulator PhoB. (+info)Microbial community changes in biological phosphate-removal systems on altering sludge phosphorus content. (4/72)
Biomarkers (respiratory quinones and cellular fatty acids) and denaturing gradient gel electrophoresis (DGGE) of PCR-amplified 16S rRNA genes were used to characterize the microbial community structure of lab-scale enhanced biological phosphate-removal (EBPR) systems in response to altering sludge phosphorus (P) content. All the data suggest that the microbial community structures of sludge samples with a P content between 8 and 12.3% (sludge dry weight) (i.e. good EBPR activity) were very similar, but differed from those with 2% P content (i.e. no EBPR activity). For all samples analysed, ubiquinones Q-8 and Q-10, menaquinone MK-8(H4), and fatty acids C16:0, C16:1 omega9c and C18:1, omega11c were the major components. The dominance of Q-8, Q-10 and MK-8(H4) suggested that large numbers of organisms belonging to the beta and alpha subclasses of the Proteobacteria and the Actinobacteria from the high G+C Gram-positive bacteria, respectively, were present. DGGE analysis revealed at least 7-9 predominant DNA bands and numerous other fragments in each sample. Five major DGGE fragments from each of the 2% and 12% P-containing sludge samples, respectively, were successfully isolated and sequenced. Phylogenetic analysis of the sequences indicated that both 2% and 12% P-containing sludge samples shared three common phylotypes that were separately affiliated with a novel bacterial group from the gamma subclass of the Proteobacteria, two MK-8(H4)-containing actinobacteria previously isolated from the 2% P-containing sludge, and a Caulobacter spp. in the alpha subclass of the Proteobacteria. The phylogenetic analysis also revealed phylotypes unique to both sludge samples. Changes in sludge P content therefore had an effect on the composition and abundance of the predominant microbial populations, though specific phylotypes could not be unequivocally associated with EBPR. (+info)In situ reproductive rate of freshwater Caulobacter spp. (5/72)
Electron microscope grids were submerged in Lake Washington, Seattle, Wash., in June 1996 as bait to which Caulobacter sp. swarmers would attach and on which they would then reproduce in situ. Enumeration of bands in the stalks of attached cells implied that the caulobacters were completing approximately three reproductive cycles per day. A succession of morphological types of caulobacters occurred, as well as an episode of bacteriovore grazing that slowed the accumulation of caulobacters and prevented the aging of the population. (+info)Determination of the systematic position of the genus Asticcacaulis Poindexter by a polyphasic analysis. (6/72)
The genus Asticcacaulis, to date, comprises two species of unicellular, stalked bacteria, developing a stalk at a site which is not coincidental with the centre of the pole of the cell. Multiplication is similar to that demonstrated by the prosthecate species of the genera Caulobacter, Brevundimonas and Maricaulis. A polyphasic approach, comprising 16S rRNA gene sequencing, lipid analysis and NaCl tolerance characterizations, was used to clarify the taxonomy of the two Asticcacaulis species. From the analysis of the 16S rRNA gene sequences, a close phylogenetic relationship between the species that comprise the genera Asticcacaulis, Caulobacter and Brevundimonas could be deduced wherein the three genera form three distinct branches. The individual genera could also be discerned by different characteristic polar lipids. The species of Asticcacaulis differed from species of Caulobacter and Brevundimonas by the lack of 1,2-diacyl-3-O-[6'-phosphatidyl-alpha-D-glucopyranosyl]glycerol. They also did not contain 1,2-di-O-acyl-3-O-[D-glucopyranosyl-(1-->4)-alpha-D-glucuronopyranosyl]glycerol, which is found in most Brevundimonas species but not in strains of the genus Caulobacter. The morphological differences seen between the two species Asticcacaulis excentricus and Asticcacaulis biprosthecium are mirrored by the observed 16S rDNA sequence similarity value of 95.3%, which is relatively low compared to the interspecies similarity values observed within the genera Brevundimonas or Caulobacter. (+info)New members of the ctrA regulon: the major chemotaxis operon in Caulobacter is CtrA dependent. (7/72)
The Caulobacter crescentus che promoter region consists of two divergent promoters, directing expression of the major chemotaxis operon and a novel gene cagA (chemotaxis associated gene A). Analyses of start sites by primer extension and alignment of the divergent promoters revealed significant similarities between them at the -35 promoter region. Both mcpA and cagA are differentially expressed in the cell cycle, with maximal activation of transcription in predivisional cells. The main difference between the mcpA and cagA promoters is that, in common with the fljK flagellin, cagA is expressed in swarmer cells. A cagA--lacZ promoter fusion that contains 36 bases of untranslated mRNA has sufficient information to segregate the lacZ transcript to swarmer cells. Expression of mcpA and cagA was dependent on DNA replication. Transcriptional epistasis experiments were performed to identify potential regulators in the flagellar hierarchy. The sigma factor RpoN, which is required for flagellar biogenesis, is not required for mcpA and cagA expression. Mutations in the genes for the MS-ring and the switch complex (flagellar class II mutants) do not affect expression of mcpA and cagA. However, CtrA, an essential response regulator of flagellar gene transcription, is required. (+info)Genes directly controlled by CtrA, a master regulator of the Caulobacter cell cycle. (8/72)
Studies of the genetic network that controls the Caulobacter cell cycle have identified a response regulator, CtrA, that controls, directly or indirectly, one-quarter of the 553 cell cycle-regulated genes. We have performed in vivo genomic binding site analysis of the CtrA protein to identify which of these genes have regulatory regions bound directly by CtrA. By combining these data with previous global analysis of cell cycle transcription patterns and gene expression profiles of mutant ctrA strains, we have determined that CtrA directly regulates at least 95 genes. The total group of CtrA-regulated genes includes those involved in polar morphogenesis, DNA replication initiation, DNA methylation, cell division, and cell wall metabolism. Also among the genes in this notably large regulon are 14 that encode regulatory proteins, including 10 two-component signal transduction regulatory proteins. Identification of additional regulatory genes activated by CtrA will serve to directly connect new regulatory modules to the network controlling cell cycle progression. (+info)
Phylogeny of Prosthecobacter, the fusiform caulobacters: members of a recently discovered division of the bacteria
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Caulobacter crescentus - Wikipedia
Role of Transcription in the Temporal Control of Development in Caulobacter crescentus | PNAS
Factors controlling in vitro recrystallization of the Caulobacter crescentus paracrystalline S-layer. | Journal of Bacteriology
Use of transmissible plasmids as cloning vectors in Caulobacter crescentus<...
SMC Progressively Aligns Chromosomal Arms in Caulobacter crescentus but Is Antagonized by Convergent Transcription - Semantic...
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Mutations that alter RcdA surface residues decouple protein localization and CtrA proteolysis in Caulobacter crescentus
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Glucoamylase of Caulobacter crescentus CB15: cloning and expression in Escherichia coli and functional identification | AMB...
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Cell Cycle Control of a Holdfast Attachment Gene inCaulobacter crescentus | Journal of Bacteriology
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Dynamics and control of biofilms of the oligotrophic bacterium Caulobacter crescentus. | Alfred M. Spormann Laboratory
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hipBA toxin-antitoxin systems mediate persistence in Caulobacter crescentus
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Phages: Bacteria
MinC
Caulobacter, Mycobacterium). Many bacteria that lack MinC carry alternative proteins that can position their Z-ring. MinC is ...
CrfA RNA
... (Caulobacter response to famine RNA) is a family of non-coding RNAs found in Caulobacter crescentus. CrfA is expressed ... CrfA RNA is one of only 8 putative ncRNAs conserved in the closely related Caulobacter sp. K31. CrfA was found to be ... Landt SG, Abeliuk E, McGrath PT, Lesley JA, McAdams HH, Shapiro L (May 2008). "Small non-coding RNAs in Caulobacter crescentus ... Hinz AJ, Larson DE, Smith CS, Brun YV (February 2003). "The Caulobacter crescentus polar organelle development protein PodJ is ...
Degradosome
Hardwick SW, Chan VS, Broadhurst RW, Luisi BF (March 2011). "An RNA degradosome assembly in Caulobacter crescentus". Nucleic ...
List of sequenced bacterial genomes
2001). "Complete genome sequence of Caulobacter crescentus". Proc. Natl. Acad. Sci. U.S.A. 98 (7): 4136-41. Bibcode:2001PNAS... ...
Bdellovibrio
nov., a novel predator of Caulobacter crescentus". International Journal of Systematic and Evolutionary Microbiology. 63 (1): ...
Asymmetric bacterium
Bacillus subtilis Caulobacter crescentus Madigan, Michael T.; Martinko, John M. (2006). Brock Biology of Microorganisms (11th ...
Crescentin
To influence the shape of the Caulobacter cells, the helices of crescentin filaments associate with the cytoplasmic side of the ... Crescentin is necessary for both shapes of the Caulobacter prokaryote (vibroid/crescent-shape and helical shape, which it may ... This protein family is found in Caulobacter and Methylobacterium. Crescentin was recently discovered by Christine Jacobs-Wagner ... Margolin W (March 2004). "Bacterial shape: concave coiled coils curve caulobacter". Current Biology. 14 (6): R242-4. doi: ...
Maricaulis
as the type species, and emended description of the genera Brevundimonas and Caulobacter" (PDF). Int. J. Syst. Bacteriol. 49 (3 ... "Phylogeny and polyphasic taxonomy of Caulobacter species. Proposal of Maricaulis gen. nov. with Maricaulis maris (Poindexter) ...
Asticcacaulis biprosthecum
Poindexter, JS (Sep 1964). "BIOLOGICAL PROPERTIES AND CLASSIFICATION OF THE CAULOBACTER GROUP". Microbiol. Mol. Biol. Rev. 28 ( ... Asticcacaulis biprosthecum is a stalked bacterial species phylogenetically closely related to the species Caulobacter ...
Proteobacteria
The type order is the Caulobacterales, comprising stalk-forming bacteria such as Caulobacter. The mitochondria of eukaryotes ... Caulobacter, Rickettsia, Wolbachia, etc. Betaproteobacteria: Bordetella, Ralstonia, Neisseria, Nitrosomonas, etc. ...
Cadmium resistance transporter
Braz VS, Marques MV (October 2005). "Genes involved in cadmium resistance in Caulobacter crescentus". FEMS Microbiology Letters ...
Caulobacteraceae
The typespecies Caulobacter gives its name also to the recently proposed subclass, the Caulobacteridae, which includes the ... Caulobacteraceae includes the genera Asticcacaulis, Brevundimonas, Phenylobacterium and Caulobacter. ...
Prosthecate bacteria
Caulobacter Oligotrophic Flagella Pilus Poindexter, Jeanne S. Dimorphic Prosthecate Bacteria: The Genera Caulobacter, ... One notable group of prosthecates is the genus Caulobacter. Prosthecates are generally chemoorganotrophic aerobes that can grow ...
Lucy Shapiro
The process of the Caulobacter cell cycle also show similarities to stem cell division, in which two distinct cells arise, one ... In each cell cycle, Caulobacter divides asymmetrically into two daughters. One, the swarmer cell, has a tail-like flagellum ... Examining the cell cycle control logic of Caulobacter as a state machine leads to understanding of bacterial cell cycle ... Rather than containing an evenly dispersed mixture of proteins, the single celled Caulobacter resembles a highly organized ...
Leviviridae
Enterobacteria, caulobacter, pseudomonas, and acinetobacter serve as the natural host. The family has two genera, both of which ... Bacteria, including enterobacteria, caulobacter, pseudomonas, and acinetobacter serve as natural hosts for these bacteriophages ...
Bacterial senescence
A well established example of bacterial aging is Caulobacter crescentus. This bacteria begins its life as a motile swarmer cell ... such as Caulobacter crescentus, show signs of replicative aging. The results for symmetrically dividing bacteria are more ...
Pedomicrobium
Stahl D. A., Key R., Flesher B., and Smit J.; (1992); 'The phylogeny of marine and freshwater Caulobacter reflects their ...
Diguanylate cyclase
This was verified with the resolution of the crystal structure of the DGC PleD from Caulobacter crescentus in complex with c-di ... The GGDEF domain was first identified in the regulatory protein, PleD of the bacterium Caulobacter crescentus. It was later ... In the cell cycle of Caulobacter crescentus, DGC PleD is known to control pole morphogenesis. In Pseudomonas fluorescens DGC ... Skerker JM, Laub MT (April 2004). "Cell-cycle progression and the generation of asymmetry in Caulobacter crescentus". Nature ...
Cytoskeleton
The bacterium Caulobacter crescentus contains a third protein, crescentin, that is related to the intermediate filaments of ... "Multiple large filament bundles observed in Caulobacter crescentus by electron cryotomography". Molecular Microbiology. 62 (1 ...
Eduardo Abeliuk
Goley E.D., Yeh Y.C., Hong S.H., Fero M.J., Abeliuk E., McAdams H.H., and Shapiro L. (2011) Assembly of the Caulobacter cell ... Landt S.G., Abeliuk E., McGrath P.T., Lesley J.A., McAdams H.H., Shapiro L. (2008) Small non-coding RNAs in Caulobacter ... The global regulatory architecture of transcription during the Caulobacter cell cycle., PLoS Genet. Abeliuk E, Christen B, Fero ... Regulatory Response to Carbon Starvation in Caulobacter crescentus. PLoS One. ...
In silico
More work can be found that focus on modeling a particular cellular process such as the growth cycle of Caulobacter crescentus ... Li, S; Brazhnik, P; Sobral, B; Tyson, JJ (2009). "Temporal Controls of the Asymmetric Cell Division Cycle in Caulobacter ...
Bacterial cell structure
Some bacteria have complex life cycles involving the production of stalks and appendages (e.g. Caulobacter) and some produce ...
Phenylobacterium conjunctum
... proposal of Caulobacter mirabilis sp. nov., Phenylobacterium haematophilum sp. nov. and Phenylobacterium conjunctum sp. nov., ...
Toxin-antitoxin system
socAB is a type VI toxin-antitoxin system that was discovered in Caulobacter crescentus. The antitoxin, SocA, promotes ...
List of model organisms
Caulobacter crescentus - a bacterium that divides into two distinct cells used to study cellular differentiation. Mycoplasma ...
Hyphomicrobium
It has a large polar or sub-polar filiform prostheca very similar to that of Caulobacter. In addition to having a nutritional ...
DNA methyltransferase
EcoDam from E. coli and CcrM from Caulobacter crescentus are well characterized members of these family. More recently, CamA ...
Super-resolution microscopy
... superresolution colocalization of intracellular protein superstructures and the cell surface in live Caulobacter crescentus". ...
Histidine phosphotransfer domain
In the less common type, such as the Bacillus subtilis sporulation factor Spo0B or the Caulobacter crescentus protein ChpT, the ... as in the case of the Caulobacter crescentus ChpT HPt involved in cell cycle regulation, or, alternatively, pathways in which ... an essential regulator of stalk biogenesis in Caulobacter crescentus". Journal of Molecular Biology. 390 (4): 686-98. doi: ...
Resistance-nodulation-cell division superfamily
Valencia EY, Braz VS, Guzzo C, Marques MV (April 2013). "Two RND proteins involved in heavy metal efflux in Caulobacter ...
Caulobacter crescentus - Wikipedia
The opposing roles of the Caulobacter DnaA and CtrA proteins are essential to the tight control of Caulobacter chromosome ... C. crescentus is synonymous with Caulobacter vibrioides. The Caulobacter CB15 genome has 4,016,942 base pairs in a single ... The taxon is more properly known as Caulobacter vibrioides (Henrici and Johnson 1935). Caulobacter is an important model ... The Caulobacter stalked cell stage provides a fitness advantage by anchoring the cell to surfaces to form biofilms and or to ...
Complete genome sequence of Caulobacter crescentus | PNAS
Complete genome sequence of Caulobacter crescentus. William C. Nierman, Tamara V. Feldblyum, Michael T. Laub, Ian T. Paulsen, ... Complete genome sequence of Caulobacter crescentus. William C. Nierman, Tamara V. Feldblyum, Michael T. Laub, Ian T. Paulsen, ... Complete genome sequence of Caulobacter crescentus. William C. Nierman, Tamara V. Feldblyum, Michael T. Laub, Ian T. Paulsen, ... Comparison of the Caulobacter proteome to that of other species reveals that there are more matches to the P. aeruginosa ...
Caulobacter phage holin family - Wikipedia
The Caulobacter Phage Holin (CauHol) Family (TC# 1.E.47) consists of several putative holins of 157 to 159 amino acyl residues ... The Caulobacter Phage Holin (CauHol) Family". TCDB. Retrieved 2016-03-29. Biology portal As of this edit, this article uses ... aas) in length that exhibit 2 transmembrane segments (TMSs). They derive from phage specific for Caulobacter species. These ... content from "1.E.47 The Caulobacter Phage Holin (CauHol) Family", which is licensed in a way that permits reuse under the ...
Caulobacter facts, information, pictures | Encyclopedia.com articles about Caulobacter
Make research projects and school reports about Caulobacter easy with credible articles from our FREE, online encyclopedia and ... Caulobacter. Caulobacter crescentus is a Gram-negative rod-like bacterium that inhabits fresh water. It is noteworthy ... Caulobacter A genus of Gram-negative bacteria not assigned to any taxonomic family. The cells undergo a life cycle that is ... Caulobacter crescentus can be grown in the laboratory so that all the bacteria in the population undergoes division at the same ...
Caulobacter crescentus - Wikipedia
The evolution of stalk positioning in the Caulobacter cladeEdit. Diverse positioning of the stalks. Caulobacter crescentus ( ... Caulobacter agingEdit. Caulobacter was the first asymmetric bacterium shown to age. Reproductive senescence was measured as the ... The opposing roles of the Caulobacter DnaA and CtrA proteins are essential to the tight control of Caulobacter chromosome ... The Caulobacter CB15 genome has 4,016,942 base pairs in a single circular chromosome encoding 3,767 genes.[7] The genome ...
Helical motion of the cell body enhances Caulobacter crescentus motility | PNAS
1984) Caulobacter crescentus flagellar filament has a right-handed helical form. J Mol Biol 173(1):125-130. ... Helical motion of the cell body enhances Caulobacter crescentus motility. Bin Liu, Marco Gulino, Michael Morse, Jay X. Tang, ... Caulobacter strain CB15 Δpilin (YB375), which lacks pili, was grown in peptone yeast extract medium (0.2% Bacto Peptone, 0.1% ... Making use of the crescent shape of the cell body of Caulobacter, we are able to reconstruct the 3D cell kinematics from the ...
hypothetical protein Cseg 0582 [Caulobacter segnis ATCC 21756] - Protein - NCBI
KEGG PATHWAY: Biotin metabolism - Caulobacter segnis
Attachment of the S-Layer of Caulobacter crescentus to the Cell Surface | SpringerLink
Walker S.G., Smit J. (1993) Attachment of the S-Layer of Caulobacter crescentus to the Cell Surface. In: Beveridge T.J., Koval ... Smit, J., Grano, D.A., Glaser, R.M., and Agabian, N., 1981, Periodic surface array in Caulobacter crescentus: fine structure ... Gilchrist, A., Fisher, J.A., and Smit, J., 1992, Nucleotide sequence analysis of the gene encoding the Caulobacter crescentus ... Smit, J., Engelhardt, H., Volker, S., Smith, S.H., and Baumeister, W., 1992, The Slayer of Caulobacter crescentus: Three- ...
The Caulobacter crescentus flagellar gene, fliX, encodes a novel ...: Ingenta Connect
SWISS-MODEL | Caulobacter crescentus
Caulobacter daughter cells have two very different forms. One daughter is a mobile "swarmer" cell that has a single flagellum ... From left to right: i) The number of proteins in the reference proteome of Caulobacter crescentus, ii) the total number of ... The bar plot shows the coverage for every protein in the reference proteome of Caulobacter crescentus for which there is at ... Caulobacter crescentus is a Gram-negative, oligotrophic bacterium widely distributed in freshwater lakes and streams. ...
A Quantitative Study of the Division Cycle of Caulobacter crescentus Stalked Cells
... and cell division in stalked cells of the α-proteobacterium Caulobacter crescentus. The model is formulated in terms of ... for the spatial asymmetry of Caulobacter reproduction (swarmer cells as well as stalked cells), the correlation of cell growth ... nonlinear ordinary differential equations for the major cell cycle regulatory proteins in Caulobacter: CtrA, GcrA, DnaA, CcrM, ... Caulobacter crescentus Is the Subject Area "Caulobacter crescentus" applicable to this article? Yes. No. ...
Fermentation | Free Full-Text | Characterization of the Weimberg Pathway in Caulobacter crescentus
Caulobacter crescentus is a gram-negative bacterium that can utilize xylose as a substrate using the Weimberg pathway, which ... Characterization of the Weimberg Pathway in Caulobacter crescentus. Henrik Almqvist 1,* , Sara Jonsdottir Glaser 1,†. ... Caulobacter crescentus is a gram-negative bacterium that can utilize xylose as a substrate using the Weimberg pathway, which ... Keywords: Caulobacter crescentus; Weimberg pathway; xylose; arabinose; physiological characterization; enzyme activity ...
RCSB PDB - 4M29: Structure of a GH39 Beta-xylosidase from Caulobacter crescentus
Caulobacter vibrioides CB15. Mutation(s): 0 Gene Names: Itgav, CC_2357. Find proteins for Q9A5U0 (Caulobacter vibrioides ( ... Structure of a GH39 Beta-xylosidase from Caulobacter crescentus. Polo, C.C., Santos, C.R., Correa, J.M., Simao, R.C.G., Seixas ... Structure of a GH39 Beta-xylosidase from Caulobacter crescentus. *DOI: 10.2210/pdb4M29/pdb ...
Caulobacter crescentus in Biotechnology - microbewiki
Caulobacters RsaA protein was adapted to make 2 recombinant proteins of the pilus epitope (termed adhesintopes) using the PE ... Caulobacter crescentus in Biotechnology. From MicrobeWiki, the student-edited microbiology resource. Revision as of 05:51, 15 ... Caulobacter crescentus is a non-pathogenic, aquatic, Gram-negative bacterium.[9] One of its most distinguishing characteristics ... 2. Awram, P., Smit, J. "The Caulobacter crescentus paracrystalline S-layer protein is secreted by an ABC transporter (type I) ...
KEGG PATHWAY: Citrate cycle (TCA cycle) - Caulobacter segnis
rnc - Ribonuclease 3 - Caulobacter crescentus (strain NA1000 / CB15N) - rnc gene & protein
Caulobacter vibrioides (Caulobacter crescentus). Caulobacter sp. 410. Caulobacter flavus. Caulobacter sp. FWC26. 231. UniRef90_ ... Caulobacter crescentus (strain ATCC 19089 / CB15). 231. UniRef100_B8H627. Cluster: Ribonuclease 3. 2. ... sp,B8H627,RNC_CAUCN Ribonuclease 3 OS=Caulobacter crescentus (strain NA1000 / CB15N) OX=565050 GN=rnc PE=3 SV=1 ... cellular organisms › Bacteria › Proteobacteria › Alphaproteobacteria › Caulobacterales › Caulobacteraceae › Caulobacter › ...
SciP : a novel inhibitor of CtrA transcriptional activity in Caulobacter crescentus
... Author(s). Gora, Kasia G. (Kasia Gabriela) ... In this thesis, I use the model system Caulobacter crescentus to examine the regulation of CtrA, the essential transcription ... factor at the core of the Caulobacter cell cycle regulatory network. CtrA regulates the activity of approximately 100 cell ...
Location and Architecture of the Caulobacter Crescentus Chemoreceptor Array
... images of small bacterial cells was developed and used to identify chemoreceptor arrays in cryotomograms of intact Caulobacter ... Location and Architecture of the Caulobacter Crescentus Chemoreceptor Array Mol Microbiol. 2008 Jul;69(1):30-41. doi: 10.1111/j ... The arrays were always found on the convex side of the cell, further demonstrating that Caulobacter cells maintain dorsal/ ... images of small bacterial cells was developed and used to identify chemoreceptor arrays in cryotomograms of intact Caulobacter ...
ccrMIM - Modification methylase CcrMI - Caulobacter crescentus (strain NA1000 / CB15N) - ccrMIM gene & protein
Caulobacter sp. 410. Caulobacter flavus. Caulobacter sp. FWC2. Caulobacter sp. B11. Caulobacter sp. X. Caulobacter sp. FWC26. ... Caulobacter crescentus (strain ATCC 19089 / CB15). Caulobacter vibrioides (Caulobacter crescentus). ... Caulobacter segnis (strain ATCC 21756 / DSM 7131 / JCM 7823 / NBRC 15250 / LMG 17158 / TK0059) (Mycoplana segnis). Caulobacter ... Caulobacter crescentus (strain ATCC 19089 / CB15). 358. UniRef100_B8GZ33. Cluster: Modification methylase CcrMI. 2. ...
The Genetic Basis of Laboratory Adaptation in Caulobacter crescentus | Journal of Bacteriology
Caulobacter strain history.The history of these Caulobacter strains was pieced together from information gathered from personal ... The Genetic Basis of Laboratory Adaptation in Caulobacter crescentus Melissa E. Marks, Cyd Marie Castro-Rojas, Clotilde Teiling ... The Genetic Basis of Laboratory Adaptation in Caulobacter crescentus Melissa E. Marks, Cyd Marie Castro-Rojas, Clotilde Teiling ... The Genetic Basis of Laboratory Adaptation in Caulobacter crescentus Melissa E. Marks, Cyd Marie Castro-Rojas, Clotilde Teiling ...
Mutations that alter RcdA surface residues decouple protein localization and CtrA proteolysis in Caulobacter crescentus
... and deactivation of the essential transcriptional regulator CtrA is necessary to drive cell cycle progression in Caulobacter ... Mutations that alter RcdA surface residues decouple protein localization and CtrA proteolysis in Caulobacter crescentus J Mol ... We assayed the ability of each RcdA variant to support CtrA proteolysis and polar protein localization in Caulobacter. Deletion ... and deactivation of the essential transcriptional regulator CtrA is necessary to drive cell cycle progression in Caulobacter ...
Environmental Calcium Controls Alternate Physical States of the Caulobacter Surface Layer (Journal Article) | DOE PAGES
ppGpp and Polyphosphate Modulate Cell Cycle Progression in Caulobacter crescentus | Journal of Bacteriology
ppGpp and Polyphosphate Modulate Cell Cycle Progression in Caulobacter crescentus. Cara C. Boutte, Jonathan T. Henry, Sean ... ppGpp and Polyphosphate Modulate Cell Cycle Progression in Caulobacter crescentus. Cara C. Boutte, Jonathan T. Henry, Sean ... ppGpp and Polyphosphate Modulate Cell Cycle Progression in Caulobacter crescentus. Cara C. Boutte, Jonathan T. Henry, Sean ... Caulobacter and Asticcaculis stalk bands as indicators of stalk age. J. Bacteriol. 178:3939-3948. ...
Phosphorylation-based control of cellular asymmetry and the cell cycle in Caulobacter crescentus
... Author(s). Chen, Yiyin Erin ... Caulobacter is an alpha-proteobacterium that always divides asymmetrically to generate two daughter cells that are ... In this work, I use the model organism Caulobacter crescentus to investigate how intracellular asymmetry within the mother cell ... The genetic separability of the spatial and temporal controls of replication in Caulobacter suggests that DnaA comprises an ...
FtsEX-mediated regulation of the final stages of cell division reveals morphogenetic plasticity in Caulobacter crescentus
CIL:40007, Caulobacter crescentus CB15. CIL. Dataset
An image of slice 210 from the reconstructed volume of a tomographic data set from Caulobacter crescentus. This image has been ... Caulobacter cultures (strain 3724) were cryofixed using a cocktail of 2% Osmium tetroxide, 0.5% uranyl acetate in anhydrous ... An image of slice 210 from the reconstructed volume of a tomographic data set from Caulobacter crescentus. This image has been ... Lucy Shapiro, Harley McAdams (2012) CIL:40007, Caulobacter crescentus CB15. CIL. Dataset. https://doi.org/doi:10.7295/ ...
"Control of Proteolysis during the Caulobacter Cell Cycle" by Joanne Lau
In Caulobacter crescentus, a bacterium known for studies of bacterial cell division cycle, the response regulator CpdR couples ... Control of proteolysis during the Caulobacter cell cycle occurs through proteins involved in a complex phosphosignaling network ... In Caulobacter crescentus, a bacterium known for studies of bacterial cell division cycle, the response regulator CpdR couples ... Control of proteolysis during the Caulobacter cell cycle occurs through proteins involved in a complex phosphosignaling network ...
Caulobacter crescentus | definition of Caulobacter crescentus by Medical dictionary
What is Caulobacter crescentus? Meaning of Caulobacter crescentus medical term. What does Caulobacter crescentus mean? ... Looking for online definition of Caulobacter crescentus in the Medical Dictionary? Caulobacter crescentus explanation free. ... Caulobacter crescentus. Also found in: Encyclopedia, Wikipedia. Caulobacter crescentus. (kawl-ŏ-băk′tĕr krĕ-sĕn′tŭs) A single- ... Figure 2 shows that Caulobacter crescentus has regular ly higher C and lower A in the third position.. Global analysis of ...
RCSB PDB - 4KQT: Crystal structure of a putative outer membrane chaperone (OmpH-like) (CC 1914) from Caulobacter crescentus...
... from Caulobacter crescentus CB15 at 2.83 A resolution (PSI Community Target, Shapiro) ... Caulobacter crescentus (strain ATCC 19089 / CB15). N/A. Find proteins for Q9A712 (Caulobacter crescentus (strain ATCC 19089 / ... Crystal structure of a putative outer membrane chaperone (OmpH-like) (CC_1914) from Caulobacter crescentus CB15 at 2.83 A ... Crystal structure of a putative outer membrane chaperone (OmpH-like) (CC_1914) from Caulobacter crescentus CB15 at 2.83 A ...
NA1000CB15Bacterium Caulobacter crescentusProteinsInvestigated in Caulobacter crescentusProteinStrainGeneBacteriaReplicationModel organismSegnisAlpha-proteobacterium Caulobacter crescentusTranscriptionalGenesStrainsSpeciesChromosomeHenrici and JohnsonXyloseOrganismProgressionAsymmetryOligotrophicCrescentus grownCellsPlasmidSwarmer cellBrevundimonasPATHWAY2002Outer membraneBacterialClassificationCtrAAsymmetricPilusCaulobacteralesGenomesLucy Shapiro
NA10005
- Due to this capacity to be physically synchronized, strain NA1000 has become the predominant experimental Caulobacter strain throughout the world. (wikipedia.org)
- In 2010, the Caulobacter NA1000 strain was sequenced and all differences with the CB15 "wild type" strain were identified. (wikipedia.org)
- Then, they reduced the native Caulobacter crescentus native Caulobacter NA1000 genome sequence real genome ( 4042929 bp ) to the 785,701-bp reduced synthetic genome. (preprints.org)
- Comparing the transcriptional profiles of a Caulobacter crescentus CB15N (NA1000) wild-type to a SpoT null in carbon starvation. (omicsdi.org)
- Caulobacter crescentus NA1000 possess two HME-RND proteins, and the aim of this work was to determine their involvement in the response to cadmium, zinc, cobalt and nickel, and to analyze the phylogenetic distribution and characteristic signatures of orthologs of these two proteins. (beds.ac.uk)
CB154
- The Caulobacter CB15 genome has 4,016,942 base pairs in a single circular chromosome encoding 3,767 genes. (wikipedia.org)
- CIL:40007, Caulobacter crescentus CB15. (cellimagelibrary.org)
- Lucy Shapiro, Harley McAdams (2012) CIL:40007, Caulobacter crescentus CB15. (cellimagelibrary.org)
- Copper-Zinc superoxide dismutase from Caulobacter crescentus CB15. (thefreedictionary.com)
Bacterium Caulobacter crescentus13
- Using a digital tracking microscope that provides both cell position and orientation, we have correlated the detailed motion of the cell body of a fast-swimming bacterium, Caulobacter crescentus , with its swimming motility. (pnas.org)
- We have used this technique to study the motility of the uniflagellated bacterium Caulobacter crescentus and have found that each cell displays two distinct modes of motility, depending on the sense of rotation of the flagellar motor. (pnas.org)
- The dimorphic bacterium Caulobacter crescentus has evolved marked phenotypic changes during its 50-year history of culture in the laboratory environment, providing an excellent system for the study of natural selection and phenotypic microevolution in prokaryotes. (asm.org)
- Likewise, the aquatic bacterium Caulobacter crescentus has evolved marked phenotypic changes during the 50 years it has been cultured in the laboratory environment. (asm.org)
- The researchers started the project by trying to understand why the bacterium Caulobacter crescentus produces two distinct types of cell - one with a flagellum (appendage) and the other without. (thefreedictionary.com)
- Here, we demonstrate that the freshwater bacterium Caulobacter crescentus and related species transform into filamentous cells in response to conditions that commonly occur in their natural habitat as a result of algal blooms during the warm summer months. (asm.org)
- Dynamics and control of biofilms of the oligotrophic bacterium Caulobacter crescentus. (stanford.edu)
- However, even that does not compare to what the bacterium Caulobacter crescentus can do. (listverse.com)
- A protein critical for cell constriction in the Gram-negative bacterium Caulobacter crescentus localizes at the division site through its peptidoglycan-binding LysM domains. (helmholtz-hzi.de)
- In order to gain insight about the material properties of bacterial adhesins, we study the morphogenesis of the adhesive holdfast of the Gram negative bacterium Caulobacter crescentus . (biomedcentral.com)
- Microarray analysis was used to examine gene expression in the freshwater oligotrophic bacterium Caulobacter crescentus during growth on three standard laboratory media, including peptone-yeast extract medium (PYE) and minimal salts medium with glucose or xylose as the carbon source. (scu.edu)
- CAULOBACTERThe common waterborne bacterium Caulobacter crescentus reproduces asymmetrically. (amazonaws.com)
- In the article, "Obstruction of Pilus Retraction Stimulates Bacterial Surface Sensing," a group of interdisciplinary researchers show that in the case of the bacterium Caulobacter crescentus , a model organism that splits its life between swimming and attaching to surfaces, physically blocking the retraction of its pili triggers the attachment to surfaces. (eurekalert.org)
Proteins6
- From left to right: i) The number of proteins in the reference proteome of Caulobacter crescentus , ii) the total number of models, iii) the number of unique protein sequences for which at least one model is available and iv) a coverage bar plot is shown. (expasy.org)
- Control of proteolysis during the Caulobacter cell cycle occurs through proteins involved in a complex phosphosignaling network. (umass.edu)
- To test this hypothesis, we generated mutations in the Caulobacter crescentus obg gene ( cgtA C ) which, in Ras-like proteins, would result in either activating or dominant negative phenotypes. (umich.edu)
- We sought to identify FtsZ-binding proteins that influence FtsZ function in Caulobacter crescentus. (princeton.edu)
- Cell cycle progression and polar morphogenesis in Caulobacter crescentus are coordinated by the interplay of multiple proteins in time and space. (unibas.ch)
- Here, we reconstitute a parS -dependent ParB spreading event using purified proteins from Caulobacter crescentus and show that CTP is required for spreading. (elifesciences.org)
Investigated in Caulobacter crescentus1
- The pathway of fatty acid utilization was investigated in Caulobacter crescentus. (yu.edu)
Protein13
- This report suggests that another outer membrane component, termed the S-layer-associated oligosaccharide (SAO), is the molecule responsible for the attachment of RsaA, the S-layer protein of Caulobacter crescentus , to the cell surface. (springer.com)
- The bar plot shows the coverage for every protein in the reference proteome of Caulobacter crescentus for which there is at least one model. (expasy.org)
- We assayed the ability of each RcdA variant to support CtrA proteolysis and polar protein localization in Caulobacter. (nih.gov)
- We used high-throughput PALM to investigate the nanoscale organization of the bacterial cell division protein FtsZ in live Caulobacter crescentus. (epfl.ch)
- Here, we identify an atypical two-protein bacteriocin in the α-proteobacterium Caulobacter crescentus that is retained on the surface of producer cells where it mediates cell contact-dependent killing. (elifesciences.org)
- These aggregates can drive contact-dependent killing of other organisms, or Caulobacter cells not producing the CdzI immunity protein. (elifesciences.org)
- Caulobacter crescentus nucleoid: analysis of sedimentation behavior and protein composition during the cell cycle. (microbiologyresearch.org)
- Here, we explore the role of the coexpressed MreC protein in Caulobacter and show that it forms a periplasmic spiral that is out of phase with the cytoplasmic MreB spiral. (princeton.edu)
- We have solved the X-ray crystal structure of the RNA chaperone protein Hfq from the alpha-proteobacterium Caulobacter crescentus to 2.15 Å resolution, resolving the conserved core of the protein and the entire C-terminal domain (CTD). (cam.ac.uk)
- Here, using genome-wide methods and microscopy of single cells, we show that Caulobacter SMC is recruited to the centromeric parS site and that SMC-mediated arm alignment depends on the chromosome-partitioning protein ParB. (semanticscholar.org)
- The Caulobacter crescentus Homolog of DnaA (HdaA) Also Regulates the Proteolysis of the Replication Initiator Protein DnaA. (illumina.com)
- Three-dimensional superresolution colocalization of intracellular protein superstructures and the cell surface in live Caulobacter crescentus. (mendeley.com)
- Here, we reconstitute a parS -dependent ParB spreading on DNA in real-time, using a label-free purified protein from Caulobacter crescentus . (elifesciences.org)
Strain5
- Caulobacter cultures (strain 3724) were cryofixed using a cocktail of 2% Osmium tetroxide, 0.5% uranyl acetate in anhydrous acetone following this time and temperature schedule: -90 Celsius for 72 hours, raised 2 Celsius per hour for 15 hours, held at -60 Celsius for 12 hours, raised 5 Celsius per hour for 12 hours, held at -20 Celsius. (cellimagelibrary.org)
- The taxonomy of Caulobacter has relied primarily upon morphological criteria: A strain that visually appeared to be a member of the Caulobacter has generally been called one without challenge. (microbiologyresearch.org)
- Complete genome sequence of a wild-type isolate of Caulobacter vibrioides strain CB2. (pacb.com)
- The complete genome of Caulobacter vibrioides strain CB2 consists of a 4,123,726-bp chromosome, a GC content of 67.2%, and 3,896 coding DNA sequences. (pacb.com)
- As determined by analyses of 16S rRNA gene sequences, the prosthecate strain FWC 38T was affiliated to the alphaproteobacterial genus Caulobacter, with Caulobacter henricii (96.8 %) and Caulobacter fusiformis (96.8 %) as its closest relatives. (ox.ac.uk)
Gene5
- Polarity of gene transfer in Caulobacter. (microbiologyresearch.org)
- This will allow us to study the impact of horizontal gene transfer on caulobacter genomes. (pacb.com)
- Here, we examine if selection acts on G+C contents in Caulobacter crescentus and Pseudomonas aeruginosa , which both have very G+C-rich genomes, by testing whether the expression of gene variants that differ only in their base compositions at synonymous sites affects cellular growth rates. (g3journal.org)
- GapR is an α‐proteobacterial NAP that affects growth, division, DNA replication, and global gene expression in Caulobacter crescentus . (embopress.org)
- However, our studies show that it likely does not play such a role in Caulobacter as depleting PhoU has no significant effect on PhoB-dependent gene expression. (datamed.org)
Bacteria6
- Instead of dividing two form two identical daughter cells as other bacteria do (a process termed binary division), Caulobacter crescentus undergoes what is termed symmetric division. (encyclopedia.com)
- Caulobacter crescentus can be grown in the laboratory so that all the bacteria in the population undergoes division at the same time. (encyclopedia.com)
- The genetic separability of the spatial and temporal controls of replication in Caulobacter suggests that DnaA comprises an ancient and phylogenetically widespread control module for replication in almost all bacteria while CtrA developed later in c-proteobacteria and was recruited to enforce replicative asymmetry in daughter cells. (mit.edu)
- The genus Caulobacter is composed of prosthecate bacteria often specialized for oligotrophic environments. (microbiologyresearch.org)
- Partially purified bacterial extracts were prepared from segregated stalked and swarmer bacteria of Caulobacter crescentus and assayed for ATP-dependent deoxyribonuclease activity. (microbiologyresearch.org)
- Like many bacteria, Caulobacter responds to phosphate limitation through a conserved two-component signaling pathway called PhoR-PhoB, but the direct regulon of PhoB in this organism is unknown. (datamed.org)
Replication4
- Caulobacter crescentus differentiates from a motile, foraging swarmer cell into a sessile, replication-competent stalked cell during its cell cycle. (asm.org)
- Chromosome replication in Caulobacter crescentus growing in a nutrient broth. (microbiologyresearch.org)
- Using genomic techniques, quantitative cell imaging, and mathematical modeling, our study in Caulobacter crescentus identifies a novel NAP (GapR) whose activity over the cell cycle is shaped by DNA replication. (embopress.org)
- Summary: When Caulobacter crescentus enters S-phase the replication initiation inhibitor CtrA dynamically positions to the old cell pole to be degraded by the polar ClpXP protease. (elsevier.com)
Model organism3
- Caulobacter is an important model organism for studying the regulation of the cell cycle, asymmetric cell division, and cellular differentiation. (wikipedia.org)
- In this work, I use the model organism Caulobacter crescentus to investigate how intracellular asymmetry within the mother cell is translated into the formation of two developmentally distinct daughter cells. (mit.edu)
- Caulobacter crescentus is a model organism for the study of asymmetric division and cell type differentiation, as its cell division cycle generates a pair of daughter cells that differ from one another in their morphology and behavior. (ginsim.org)
Segnis1
- The described species of the genus Caulobacter formed a paraphyletic group with Caulobacter henricii , Caulobacter fusiformis, Caulobacter vibrioides and Mycoplana segnis (Caulobacter segnis comb, nov.) belonging to Caulobacter sensu stricto. (microbiologyresearch.org)
Alpha-proteobacterium Caulobacter crescentus1
- Here we describe the functions of three hipBA modules in the alpha-proteobacterium Caulobacter crescentus. (chalmers.se)
Transcriptional3
- Periodic activation and deactivation of the essential transcriptional regulator CtrA is necessary to drive cell cycle progression in Caulobacter crescentus. (nih.gov)
- Transcriptional profiling of Caulobacter crescentus during growth on complex and minimal media. (helmholtz-hzi.de)
- Transcriptional Profiling of Caulobacter crescentus during Growth on C" by Craig Stephens, Alison K. Hottes et al. (scu.edu)
Genes11
- The complete genome sequence of Caulobacter crescentus was determined to be 4,016,942 base pairs in a single circular chromosome encoding 3,767 genes. (pnas.org)
- Caulobacter does all that with less than 4,000 genes, allowing full genome-wide studies of a single differentiating cell. (pnas.org)
- The first flagellar assembly checkpoint of Caulobacter crescentus couples assembly of the early class II components of the basal body complex to the expression of class III and IV genes, which encode extracytoplasmic structures of the flagellum. (ingentaconnect.com)
- 2019), authors r ebuilt the essential genome of Caulobacter crescentus through the process of chemical synthesis rewriting and studied the genetic information content at the level of its essential genes. (preprints.org)
- Cloning vectors for studies of Caulobacter crescentus genes should be transferable between Escherichia coli and C. crescentus since a transformation system has not been developed for C. crescentus. (elsevier.com)
- The ordered assembly of the Caulobacter crescentus flagellum is accomplished in part through the organization of the flagellar structural genes in a regulatory hierarachy of four classes. (umn.edu)
- Analysis of the fliX- flgI intergenic region revealed an arrangement of cis-acting elements similar to that of another set of Caulobacter class II and class III flagellar genes, fliL-flgF, that is also divergently transcribed. (umn.edu)
- The temporal and spatial expression of late flagellar genes in Caulobacter crescentus is activated by the transcription factor FlbD and its partner trans-acting factor FliX. (beds.ac.uk)
- Caulobacter strains bearing mutations in fliX are non-motile and do not transcribe class III and IV flagellar genes. (beds.ac.uk)
- The PhoB regulon is comprised primarily of genes known or predicted to help Caulobacter scavenge for and import inorganic phosphate, including 15 different membrane transporters. (datamed.org)
- Marker nucleotides within the 16S rRNA genes were determined for the genera Asticcacaulis, Brevundimonas, Caulobacter and Phenylobacterium and the description of the genus Phenylobacterium is emended. (ox.ac.uk)
Strains3
- All mutants were successfully expressed in both wild-type and ΔfliX Caulobacter strains. (beds.ac.uk)
- Physiological and biochemical tests allowed genotypic and phenotypic differentiation of the novel strains from all hitherto recognized species of the genera Caulobacter and Phenylobacterium. (ox.ac.uk)
- The strains therefore represent novel species, for which the names Caulobacter mirabilis sp. (ox.ac.uk)
Species3
- They derive from phage specific for Caulobacter species. (wikipedia.org)
- Phylogeny and polyphasic taxonomy of Caulobacter species. (microbiologyresearch.org)
- The halophilic species Caulobacter maris and Caulobacter halobacteroides are different from these two genera and form the genus Maricaulis gen. nov. with Maricaulis maris as the type specis Caulobacter leidyia was observed to cluster with species of the genus Sphingomonas. (microbiologyresearch.org)
Chromosome6
- Caulobacter crescentus displays a dimorphic life cycle, beginning with a flagellated and chemotactic swarmer cell that neither grows nor replicates its chromosome. (asm.org)
- p. 731 , published online 24 October) analyzed the structure of the circular chromosome in the prokaryote Caulobacter crescentus by using chromosome conformation capture and deep-sequencing. (sciencemag.org)
- Analysis of Hi-C data and polymer modeling indicates that the Caulobacter crescentus chromosome consists of multiple, largely independent spatial domains that are probably composed of supercoiled plectonemes arrayed into a bottle brush-like fiber. (sciencemag.org)
- Caulobacter crescentus contains a single chromosome that is replicated once during a defined period in the cell cycle. (scripps.edu)
- In Caulobacter crescentus, SMC is required to align the left and the right arms of the chromosome that run in parallel down the long axis of the cell. (semanticscholar.org)
- Caulobacter requires a dedicated mechanism to initiate chromosome segregation. (semanticscholar.org)
Henrici and Johnson1
- The taxon is more properly known as Caulobacter vibrioides (Henrici and Johnson 1935). (wikipedia.org)
Xylose3
- Caulobacter crescentus is a gram-negative bacterium that can utilize xylose as a substrate using the Weimberg pathway, which converts xylose to α -ketoglutarate in five steps without carbon loss. (mdpi.com)
- Then, a new route for glycolate production was established in E . coli by introducing NAD + -dependent xylose dehydrogenase ( xdh ) and xylonolactonase ( xylC ) from Caulobacter crescentus . (springer.com)
- This work demonstrates that a new enzymatic xylose quantification method, based on the activity of xylose dehydrogenase from Caulobacter crescentus , represents an excellent alternative to the manual phloroglucinol reaction. (hindawi.com)
Organism1
- Here, we dissect the c-di-GMP network of Caulobacter crescentus to establish a global and quantitative view of c-di-GMP dependent processes in this organism. (harvard.edu)
Progression3
- The Caulobacter cell cycle regulatory system controls many modular subsystems that organize the progression of cell growth and reproduction. (wikipedia.org)
- Cryoelectron microscope tomography (cryoEM) and a fluorescence loss in photobleaching (FLIP) assay were used to characterize progression of the terminal stages of Caulobacter crescentus cell division. (meta.org)
- Mutations in highly conserved regions of FliX could severely affect the recognition between FliX and FlbD and hence interrupt the normal progression of flagellar synthesis and other developmental events in Caulobacter . (beds.ac.uk)
Asymmetry1
- The arrays were always found on the convex side of the cell, further demonstrating that Caulobacter cells maintain dorsal/ventral as well as anterior/posterior asymmetry. (nih.gov)
Oligotrophic2
- Caulobacter crescentus is a Gram-negative, oligotrophic bacterium widely distributed in fresh water lakes and streams. (wikipedia.org)
- Caulobacter crescentus is an oligotrophic alpha-proteobacterium with a complex cell cycle involving sessile-stalked and piliated, flagellated swarmer cells. (stanford.edu)
Crescentus grown2
- Autolysis of Caulobacter crescentus grown in the presence of glycine. (helmholtz-hzi.de)
- This study is measuring the steady-state levels of mRNA in wild-type Caulobacter crescentus grown in M2 defined medium containing either ammonium or nitrate as the sole nitrogen source. (omicsdi.org)
Cells10
- Caulobacter daughter cells have two very different forms. (wikipedia.org)
- Detailed study of the molecular development of these cells as they progress through the cell cycle has enabled researchers to understand Caulobacter cell cycle regulation in great detail. (wikipedia.org)
- A new method for recording both fluorescence and cryo-EM images of small bacterial cells was developed and used to identify chemoreceptor arrays in cryotomograms of intact Caulobacter crescentus cells. (nih.gov)
- A) Caulobacter cells divide asymmetrically to yield a swarmer and a stalked cell, which are mixed in culture. (asm.org)
- Caulobacter is an alpha-proteobacterium that always divides asymmetrically to generate two daughter cells that are morphologically distinct and have different replicative capacities. (mit.edu)
- To study the organization of bacterial chromosomes with high resolution, we used Hi-C on Caulobacter cells (figs. S1 and S2). (sciencemag.org)
- C. vibrioides) swarmer and stalked cells starved for carbon GSE25998: Expression data from WT, DSigT and DSigU Caulobacter crescentus (syn. (omicsdi.org)
- We report a study by fluorescence imaging and atomic force microscopy on the growth in size and thickness of the holdfast of synchronized Caulobacter crescentus cells as they attach to a glass surface. (biomedcentral.com)
- Expression of fliX is under cell cycle control, with transcription beginning relatively early in the cell cycle and peaking in Caulobacter predivisional cells. (umn.edu)
- Caulobacter crescentus undergoes a series of programmed differentiation events within each cell cycle and generates two dissimilar progeny cells, a motile swarmer cell possessing a single polar flagellum and a sessile stalked cell. (beds.ac.uk)
Plasmid2
- Transfer and expression of Pseudomonas plasmid RP1 in Caulobacter. (microbiologyresearch.org)
- Analysis of the dynamics of TrfA- complex formation during the Caulobacter cell cycle revealed that TrfA binds primarily during the G1 phase, however plasmid DNA synthesis occurs during the S and G2 phases of the cell cycle. (unibas.ch)
Swarmer cell1
- Yet, Caulobacter has the swarmer cell stage that results in slower population growth. (wikipedia.org)
Brevundimonas4
- Caulobacter bacteroides (Brevundimonas bacteroides comb, nov. (microbiologyresearch.org)
- Caulobacter intermedius (Brevundimonas intermedia comb. (microbiologyresearch.org)
- Caulobacter subvibrioides ( Brevundimonas subvibrioides comb. (microbiologyresearch.org)
- Caulobacter variabilis (Brevundimonas variabilis comb. (microbiologyresearch.org)
PATHWAY1
- Almqvist H, Jonsdottir Glaser S, Tufvegren C, Wasserstrom L, Lidén G. Characterization of the Weimberg Pathway in Caulobacter crescentus . (mdpi.com)
20021
- While reproducing a key result from Easter and Gober (2002) that showed Caulobacter crescentus ParA-ATP dissociated pre-bound ParB from parS ( Easter and Gober, 2002 ), we found that CTP could also modulate the nucleation of Caulobacter ParB on parS . (elifesciences.org)
Outer membrane1
- DipM links peptidoglycan remodelling to outer membrane organization in Caulobacter. (helmholtz-hzi.de)
Bacterial1
- In Caulobacter crescentus , a bacterium known for studies of bacterial cell division cycle, the response regulator CpdR couples phosphorylation events with the AAA+ protease ClpXP to provide punctuated degradation of crucial substrates involved in cell cycle regulation. (umass.edu)
Classification1
- Biological properties and classification of the Caulobacter group. (microbiologyresearch.org)
CtrA1
- In this thesis, I use the model system Caulobacter crescentus to examine the regulation of CtrA, the essential transcription factor at the core of the Caulobacter cell cycle regulatory network. (mit.edu)
Asymmetric1
- Modeling Asymmetric Cell Division in Caulobacter crescentus Using a Boolean Logic Approach. (ginsim.org)
Pilus1
- Two examples of retraction of the Caulobacter crescentus pilus . (eurekalert.org)
Caulobacterales1
- Phylogeny by a polyphasic approach of the order Caulobacterales, proposal of Caulobacter mirabilis sp. (ox.ac.uk)
Genomes1
- Perez, J. Epigenetics Theoretical Limits of Synthetic Genomes: The Cases of Artificials Caulobacter ( C. eth-2.0), Mycoplasma Mycoides (JCVI-Syn 1.0, JCVI-Syn 3.0 and JCVI_3A), E-coli and YEAST chr XII . (preprints.org)
Lucy Shapiro1
- The link between the City University of New York and Caulobacter crescentus dates back far before this study, however, as Brooklyn College alumnus Lucy Shapiro pioneered the study of Caulobacter crescentus as a model system. (eurekalert.org)