Regulation of Salmonella typhimurium ilvYC genes.

abstract：:The bacterium Rhodobacter capsulatus is capable of an unusual form of genetic exchange, mediated by a transducing bacteriophage-like particle called the gene transfer agent (GTA). GTA production by R. capsulatus is controlled at the level of transcription by a cellular two-component signal transduction system that inc...

journal_title：Journal of bacteriology

authors： Lang AS,Beatty JT

更新日期：2002-02-01 00:00:00

abstract：:Numerous field isolates of Moraxella bovis have previously been classified by serological techniques into seven serogroups, each defined by homologous cross-reaction with antisera prepared against purified pili of a single prototype strain. The gene encoding pilin from each of the prototype strains has been characteri...

journal_title：Journal of bacteriology

authors： Atwell JL,Tennent JM,Lepper AW,Elleman TC

更新日期：1994-08-01 00:00:00

abstract：:Mutants deficient in the production of bacteriochlorophyll c (Bchl c) and one mutant lacking colored carotenoids were isolated from the filamentous gliding bacterium Chloroflexus aurantiacus. Mutagenesis was achieved by using UV radiation or N-methyl-N'-nitro-N-nitrosoguanidine. Several clones were isolated that were ...

journal_title：Journal of bacteriology

authors： Pierson BK,Keith LM,Leovy JG

更新日期：1984-07-01 00:00:00

abstract：:A new method for measuring the secretion of H(2)O(2) has been based upon an H(2)O(2)-dependent inhibition of catalase by 3-amino-1,2,4-triazole. The conversion of an H(2)O(2)-secretion rate into a catalase inhibition rate amplified a relatively small molar concentration of H(2)O(2) and provided a highly specific and s...

journal_title：Journal of bacteriology

authors： Cohen G,Somerson NL

更新日期：1969-05-01 00:00:00

abstract：:The spirochete Borrelia hermsii, a relapsing fever agent, evades the host's immune response through multiphasic antigenic variation. Antigen switching results from sequential expression of genes for serotype-specific outer membrane proteins known as variable major proteins (Vmp's); of the 25 serotypes that have been i...

journal_title：Journal of bacteriology

authors： Kitten T,Barrera AV,Barbour AG

更新日期：1993-05-01 00:00:00

abstract：:Sortases are transamidases that covalently link proteins to the peptidoglycan of gram-positive bacteria. The genome of the pathogenic bacterium Listeria monocytogenes encodes two sortases genes, srtA and srtB. The srtA gene product anchors internalin and some other LPXTG-containing proteins to the listerial surface. H...

journal_title：Journal of bacteriology

authors： Bierne H,Garandeau C,Pucciarelli MG,Sabet C,Newton S,Garcia-del Portillo F,Cossart P,Charbit A

更新日期：2004-04-01 00:00:00

abstract：:A large number of carbon source utilization pathways are repressed in Bacillus subtilis by the global regulator CcpA, which also acts as an activator of carbon excretion pathways during growth in media containing glucose. In this study, CcpA mutants defective in transcriptional activation of the alsSD operon, which is...

journal_title：Journal of bacteriology

authors： Turinsky AJ,Moir-Blais TR,Grundy FJ,Henkin TM

更新日期：2000-10-01 00:00:00

abstract：:Escherichia coli K-12 strain CU1008 cannot use L-serine as the sole carbon source, but it could use L-serine as an auxiliary carbon source with glucose, L-alanine, or pyruvate and could derive energy from L-serine to support oxygen uptake. CU1008 grew with L-serine if it was also provided with glycine and leucine. The...

journal_title：Journal of bacteriology

authors： Newman EB,Walker C

更新日期：1982-08-01 00:00:00

abstract：:Carbon catabolite control protein A (CcpA) is the main regulator involved in carbon catabolite repression in gram-positive bacteria. Time series gene expression analyses of Lactococcus lactis MG1363 and L. lactis MG1363DeltaccpA using DNA microarrays were used to define the CcpA regulon of L. lactis. Based on a compar...

journal_title：Journal of bacteriology

authors： Zomer AL,Buist G,Larsen R,Kok J,Kuipers OP

更新日期：2007-02-01 00:00:00

abstract：:The group A streptococcus (GAS) Streptococcus pyogenes is known to cause self-limiting purulent infections in humans. The role of GAS pili in host cell adhesion and biofilm formation is likely fundamental in early colonization. Pilus genes are found in the FCT (fibronectin-binding protein, collagen-binding protein, an...

journal_title：Journal of bacteriology

authors： Kimura KR,Nakata M,Sumitomo T,Kreikemeyer B,Podbielski A,Terao Y,Kawabata S

更新日期：2012-02-01 00:00:00

abstract：:During Bacillus subtilis sporulation, the transient engulfment defect of spoIIB strains is enhanced by spoVG null mutations and suppressed by spoVS null mutations. These mutations have opposite effects on expression of the motility regulon, as the spoVG mutation reduces and the spoVS mutation increases sigmaD-directed...

journal_title：Journal of bacteriology

authors： Perez AR,Abanes-De Mello A,Pogliano K

更新日期：2006-02-01 00:00:00

abstract：:Because very little is known about cell division in noncylindrical bacteria and cyanobacteria, we investigated 10 putative cytokinetic proteins in the unicellular spherical cyanobacterium Synechocystis strain PCC 6803. Concerning the eight penicillin-binding proteins (PBPs), which define three classes, we found that S...

journal_title：Journal of bacteriology

authors： Marbouty M,Mazouni K,Saguez C,Cassier-Chauvat C,Chauvat F

更新日期：2009-08-01 00:00:00

abstract：:Hook-associated proteins (HAPs) were excreted into the culture medium of the Fla+ strain as well as into the growth medium of the filamentless mutants of Salmonella typhimurium. This indicates that the bacteria synthesize HAPs excessively, beyond the amount required for construction of flagella. The extra HAPs are she...

journal_title：Journal of bacteriology

authors： Homma M,Iino T

更新日期：1985-12-01 00:00:00

abstract：:The fine structure of Paracoccidioides brasiliensis undergoing temperature-dependent transformation from mycelium to yeast and vice versa (M right harpoon over left harpoon Y) was studied. The transitional form to mycelium from the yeast appears as an elongated bud that extends from the yeast and which has a mixture o...

journal_title：Journal of bacteriology

authors： Carbonell LM

更新日期：1969-11-01 00:00:00

abstract：:The Escherichia coli lacZ gene was used as a model system to identify specific sequence elements affecting mRNA stability. Various insertions and substitutions at the ribosome-binding site increased or decreased the rate of mRNA inactivation by up to fourfold. Deletion of a dyad symmetry, which may give rise to a very...

journal_title：Journal of bacteriology

authors： Petersen C

更新日期：1991-04-01 00:00:00

abstract：:The gut microbiota plays a crucial role in the development of the immune system and confers benefits or disease susceptibility to the host. Emerging studies have indicated the gut microbiota could affect pulmonary health and disease through cross talk between the gut microbiota and the lungs. Gut microbiota dysbiosis c...

journal_title：Journal of bacteriology

authors： Zhou A,Lei Y,Tang L,Hu S,Yang M,Wu L,Yang S,Tang B

更新日期：2021-01-25 00:00:00

abstract：:Weiss, Emilio (Naval Medical Research Institute, Bethesda, Md.) and Harry R. Dressler. Increased resistance to chloramphenicol in Rickettsia prowazekii with a note on failure to demonstrate genetic interaction among strains. J. Bacteriol. 83:409-414. 1962.-A further effort to produce genetically labeled Rickettsia pro...

journal_title：Journal of bacteriology

authors： WEISS E,DRESSLER HR

更新日期：1962-02-01 00:00:00

abstract：:The obligate intracellular pathogen Chlamydia trachomatis expresses a type III secretion system (T3SS) which has the potential to contribute significantly to pathogenesis. Based on a demonstrated role of type III secretion (T3S)-specific chaperones in the secretion of antihost proteins by gram-negative pathogens, we i...

journal_title：Journal of bacteriology

authors： Fields KA,Fischer ER,Mead DJ,Hackstadt T

更新日期：2005-09-01 00:00:00

abstract：:Phosphoenolypyruvate-dependent maltose:phosphotransferase activity was induced in cells of Fusobacterium mortiferum ATCC 25557 during growth on maltose. The disaccharide was rapidly metabolized by washed cells maintained under anaerobic conditions, but fermentation ceased immediately upon exposure of the cell suspensi...

journal_title：Journal of bacteriology

authors： Robrish SA,Fales HM,Gentry-Weeks C,Thompson J

更新日期：1994-06-01 00:00:00

abstract：:Bacillus subtilis responds to phosphate starvation stress by inducing the PhoP and SigB regulons. While the PhoP regulon provides a specific response to phosphate starvation stress, maximizing the acquisition of phosphate (P(i)) from the environment and reducing the cellular requirement for this essential nutrient, th...

journal_title：Journal of bacteriology

authors： Allenby NE,O'Connor N,Prágai Z,Ward AC,Wipat A,Harwood CR

更新日期：2005-12-01 00:00:00

abstract：:No plasmid was detected in Xanthomonas campestris pv. campestris 17, a strain of the causative agent of black rot in cruciferous plants isolated in Taiwan. Its chromosome was cut by PacI, PmeI, and SwaI into five, two, and six fragments, respectively, and a size of 4.8 Mb was estimated by summing the fragment lengths ...

journal_title：Journal of bacteriology

authors： Tseng YH,Choy KT,Hung CH,Lin NT,Liu JY,Lou CH,Yang BY,Wen FS,Weng SF,Wu JR

更新日期：1999-01-01 00:00:00

abstract：:The vir locus of Bordetella pertussis apparently encodes a trans-acting positive regulator that is required for the coordinate expression of genes associated with virulence: pertussis toxin, filamentous hemagglutinin (FHA), hemolysin, and adenylate cyclase toxin. DNA clones of vir and of genes required for the synthes...

journal_title：Journal of bacteriology

authors： Stibitz S,Weiss AA,Falkow S

更新日期：1988-07-01 00:00:00

abstract：:Eight metH mutants in Salmonella typhimurium with closely linked sites of mutation which could grow only on methionine were isolated from a metE mutant deficient in N(5)-methyltetrahydropteroyltriglutamate-homocysteine transmethylase; their deficiency in cobalamin-dependent N(5)-methyltetrahydrofolate-homocysteine tra...

journal_title：Journal of bacteriology

authors： Childs JD,Smith DA

更新日期：1969-10-01 00:00:00

abstract：:In Escherichia coli, ClpYQ (HslUV) is a two-component ATP-dependent protease composed of ClpY (HslU), an ATPase with unfolding activity, and ClpQ (HslV), a peptidase. In the ClpYQ proteolytic complex, the hexameric rings of ClpY (HslU) are responsible for protein recognition, unfolding, and translocation into the prot...

journal_title：Journal of bacteriology

authors： Hsieh FC,Chen CT,Weng YT,Peng SS,Chen YC,Huang LY,Hu HT,Wu YL,Lin NC,Wu WF

更新日期：2011-10-01 00:00:00

abstract：:Enzymes involved in (methyl)phenol degradation of Pseudomonas putida H are encoded by the catabolic operon (phlA-L) on plasmid pPGH1. Transcription of this operon by the sigma54 (RpoN)-containing RNA polymerase is positively controlled by the gene product of the divergently transcribed phlR in response to the availabi...

journal_title：Journal of bacteriology

authors： Müller C,Petruschka L,Cuypers H,Burchhardt G,Herrmann H

更新日期：1996-04-01 00:00:00

abstract：:Mobilizable genomic islands (MGIs) are small genomic islands that are mobilizable by SXT/R391 integrating conjugative elements (ICEs) due to similar origins of transfer. Their site-specific integration and excision are catalyzed by the integrase that they encode, but their conjugative transfer entirely depends upon th...

journal_title：Journal of bacteriology

authors： Daccord A,Mursell M,Poulin-Laprade D,Burrus V

更新日期：2012-11-01 00:00:00

abstract：:A 6.2-kb region of DNA corresponding to complementation groups II and III of the Erwinia amylovora hrp gene cluster was analyzed. Transposon mutagenesis indicated that the two complementation groups are required for secretion of harpin, an elicitor of the hypersensitive reaction. The sequence of the region revealed 10...

journal_title：Journal of bacteriology

authors： Kim JF,Wei ZM,Beer SV

更新日期：1997-03-01 00:00:00

abstract：:The minimal origin of replication of the broad-host-range plasmid RK2 has two potential recognition sequences for the DnaA protein of Escherichia coli. DNA transfer by transformation into a dnaA-null mutant of E. coli showed that DnaA protein is needed for replication or maintenance of mini-RK2. We isolated and purifi...

journal_title：Journal of bacteriology

authors： Gaylo PJ,Turjman N,Bastia D

更新日期：1987-10-01 00:00:00

abstract：:Mutants of Schizosaccharomyces pombe, which were resistant to concentrations of colcemid inhibitory to the wild-type parent, were not diminished in their permeability to colcemid or colchicine. They also did not modify colcemid to a detectable derivative or to a product that was incapable of binding to brain tubulin. ...

journal_title：Journal of bacteriology

authors： Lederberg S,Gourse RL,Sackett DL

更新日期：1977-01-01 00:00:00

abstract：:Streptococcus equi subsp. zooepidemicus is an opportunistic pathogen. It has caused a very large economic loss in the swine industry of China and has become a threat to human health. We announce the complete genome sequence of S. equi subsp. zooepidemicus strain ATCC 35246, which provides opportunities to understand i...

journal_title：Journal of bacteriology

authors： Ma Z,Geng J,Zhang H,Yu H,Yi L,Lei M,Lu CP,Fan HJ,Hu S

更新日期：2011-10-01 00:00:00