Characterization of five genes in the upper-pathway operon of TOL plasmid pWW0 from Pseudomonas putida and identification of the gene products.

abstract：:Virulence genes in Listeria monocytogenes are coordinately expressed under the control of the transcriptional activator PrfA, encoded by prfA, a member of the cyclic AMP (cAMP) receptor protein (CRP)/FNR family of bacterial regulators. Strain P14-A is a spontaneous mutant of L. monocytogenes serovar 4b which produces ...

journal_title：Journal of bacteriology

authors： Ripio MT,Domínguez-Bernal G,Lara M,Suárez M,Vazquez-Boland JA

更新日期：1997-03-01 00:00:00

abstract：:Expression of the Escherichia coli OmpC and OmpF outer membrane proteins is regulated by the osmolarity of the culture media. In contrast, expression of OmpC in Salmonella typhi is not influenced by osmolarity, while OmpF is regulated as in E. coli. To better understand the lack of osmoregulation of OmpC expression in...

journal_title：Journal of bacteriology

authors： Martínez-Flores I,Cano R,Bustamante VH,Calva E,Puente JL

更新日期：1999-01-01 00:00:00

abstract：:Eisenstein, Richard B. (Western Reserve University, Cleveland, Ohio) and Charles Yanofsky. Tryptophan synthetase levels in Escherichia coli, Shigella dysenteriae, and transduction hybrids. J. Bacteriol. 83:193-204. 1962-Shigella dysenteriae and Escherichia coli, strains K-12 and B, were found to produce low levels of ...

journal_title：Journal of bacteriology

authors： EISENSTEIN RB,YANOFSKY C

更新日期：1962-01-01 00:00:00

abstract：:Bacterial pathogenesis depends on changes in metabolic and virulence gene expression in response to changes within a pathogen's environment. The plague-causing pathogen, Yersinia pestis, requires expression of the gene encoding the Pla protease for progression of pneumonic plague. The catabolite repressor protein Crp,...

journal_title：Journal of bacteriology

authors： Ritzert JT,Lathem WW

更新日期：2018-05-09 00:00:00

abstract：:The weak organic acid sorbic acid is a commonly used food preservative, as it inhibits the growth of bacteria, yeasts, and molds. We have used genome-wide transcriptional profiling of Bacillus subtilis cells during mild sorbic acid stress to reveal the growth-inhibitory activity of this preservative and to identify po...

journal_title：Journal of bacteriology

authors： Ter Beek A,Keijser BJ,Boorsma A,Zakrzewska A,Orij R,Smits GJ,Brul S

更新日期：2008-03-01 00:00:00

abstract：:The nickel-cobalt-cadmium resistance genes carried by plasmid pTOM9 of Alcaligenes xylosoxidans 31A are located on a 14.5-kb BamHI fragment. By random Tn5 insertion mutagenesis, the fragment was shown to contain two distinct nickel resistance loci, ncc and nre. The ncc locus causes a high-level combined nickel, cobalt...

journal_title：Journal of bacteriology

authors： Schmidt T,Schlegel HG

更新日期：1994-11-01 00:00:00

abstract：:A conditionally germination-defective mutant of Neurospora crassa has been found to be partially curable by ferricrocin and other siderophores. The mutant conidia rapidly lose their membrane-bound siderophores when suspended in buffer or growth media. Germination is consequently delayed unless large numbers of conidia...

journal_title：Journal of bacteriology

authors： Charlang G,Williams NP

更新日期：1977-12-01 00:00:00

abstract：:Escherichia coli cells harboring a non-attenuated trp-lac operon fusion were used to evaluate the effects of indolmycin on the initiation of transcription at the trp promoter. Indolmycin caused repression in trpR+ strains and in trpR deletion mutants, although higher effector concentrations were required in the latter...

journal_title：Journal of bacteriology

authors： Bogosian G,Haydock PV,Somerville RL

更新日期：1983-02-01 00:00:00

abstract：:The nucleic acid binding cold shock proteins (CSPs) and the cold-induced DEAD box RNA helicases have been proposed separately to act as RNA chaperones, but no experimental evidence has been reported on a direct cooperation. To investigate the possible interaction of the putative RNA helicases CshA and CshB and the CSP...

journal_title：Journal of bacteriology

authors： Hunger K,Beckering CL,Wiegeshoff F,Graumann PL,Marahiel MA

更新日期：2006-01-01 00:00:00

abstract：:Streptococcus bovis possesses two sugar phosphate phosphatases (Pases). Pase I is a soluble enzyme that is inhibited by the membrane fractions from lactose-grown cells and is insensitive to activation by S46D HPr, an analog of HPr(ser-P) of the sugar phosphotransferase system. Pase II is a membrane-associated enzyme t...

journal_title：Journal of bacteriology

authors： Cook GM,Ye JJ,Russell JB,Saier MH Jr

更新日期：1995-12-01 00:00:00

abstract：:A map location of the gluconate-6-phosphate dehydrogenase (gnd) marker was estimated in Escherichia coli C at approximately 46 min by P1 transduction. The gnd locus appears to lie between the co-transducible histidine and prophage P2 location I markers. ...

journal_title：Journal of bacteriology

authors： Robbins RS,Kelly B

更新日期：1973-11-01 00:00:00

abstract：:The effect of CheY and fumarate on switching frequency and rotational bias of the bacterial flagellar motor was analyzed by computer-aided tracking of tethered Escherichia coli. Plots of cells overexpressing CheY in a gutted background showed a bell-shaped correlation curve of Switching frequency and bias centering at...

journal_title：Journal of bacteriology

authors： Montrone M,Eisenbach M,Oesterhelt D,Marwan W

更新日期：1998-07-01 00:00:00

abstract：:Serpulina hyodysenteriae, the etiologic agent of swine dysentery, contains complex periplasmic flagella which are composed of multiple class A and class B polypeptides. To examine the role these proteins play in flagellar synthesis, structure, and function and to develop strains which may provide insight into the impo...

journal_title：Journal of bacteriology

authors： Rosey EL,Kennedy MJ,Petrella DK,Ulrich RG,Yancey RJ Jr

更新日期：1995-10-01 00:00:00

abstract：:The genes for protein synthesis elongation factors Tu and G were cloned from the cyanobacterium Anacystis nidulans. The locations of these genes were mapped within the cloned DNA fragment by hybridization with Escherichia coli probes. The organization of the cloned fragment and the DNA flanking it in the A. nidulans c...

journal_title：Journal of bacteriology

authors： Mickel FS,Spremulli LL

更新日期：1986-04-01 00:00:00

abstract：:We examined the role of bacteriochlorophyll synthesis on the regulation of carotenoid synthesis in Rhodopseudomonas capsulata. Strains capable of making bacteriochlorophyll accumulated greater amounts of carotenoids under low oxygen than they did under high oxygen. However, strains unable to produce bacteriochlorophyl...

journal_title：Journal of bacteriology

authors： Biel AJ,Marrs BL

更新日期：1985-06-01 00:00:00

abstract：:Expression of the Bacillus licheniformis alpha-amylase gene, amyL, was temporally activated and subject to catabolite repression both in its natural host and when cloned on a 3.55-kilobase fragment in Bacillus subtilis. A subclone from which the promoter region of amyL and sequences upstream from the promoter were del...

journal_title：Journal of bacteriology

authors： Laoide BM,Chambliss GH,McConnell DJ

更新日期：1989-05-01 00:00:00

abstract：:The virA and virG gene products are required for the regulation of the vir regulon on the tumor-inducing (Ti) plasmid of Agrobacterium tumefaciens. VirA is a membrane-associated protein which is homologous to the sensor molecules of other two-component regulatory systems. We overproduced truncated VirA proteins in Esc...

journal_title：Journal of bacteriology

authors： Jin S,Roitsch T,Ankenbauer RG,Gordon MP,Nester EW

更新日期：1990-02-01 00:00:00

abstract：:The general stress response mediated by the sigma factor RpoS is important for survival of bacteria in adverse environments. A mutant unable to produce RpoS was constructed using the diazotrophic bacterium Azotobacter vinelandii strain UW. Under nondesiccating, solid-medium growth conditions the wild type was culturab...

journal_title：Journal of bacteriology

authors： Sandercock JR,Page WJ

更新日期：2008-02-01 00:00:00

abstract：:The diversity of regulatory systems encoded by bacteria provides an indication of the variety of stresses and interactions that these organisms encounter in nature. We have been investigating how the plant pathogen Pseudomonas syringae pv. tomato DC3000 responds to iron limitation and have focused on the iron starvati...

journal_title：Journal of bacteriology

authors： Markel E,Maciak C,Butcher BG,Myers CR,Stodghill P,Bao Z,Cartinhour S,Swingle B

更新日期：2011-10-01 00:00:00

abstract：:In Escherichia coli, the SecB/SecA branch of the Sec pathway and the twin-arginine translocation (Tat) pathway represent two alternative possibilities for posttranslational translocation of proteins across the cytoplasmic membrane. Maintenance of pathway specificity was analyzed using a model precursor consisting of t...

journal_title：Journal of bacteriology

authors： Blaudeck N,Kreutzenbeck P,Freudl R,Sprenger GA

更新日期：2003-05-01 00:00:00

abstract：:A new bacteriocin, termed lactococcin A (LCN-A), from Lactococcus lactis subsp. cremoris LMG 2130 was purified and sequenced. The polypeptide contained no unusual amino acids and showed no significant sequence similarity to other known proteins. Only lactococci were killed by the bacteriocin. Of more than 120 L. lacti...

journal_title：Journal of bacteriology

authors： Holo H,Nilssen O,Nes IF

更新日期：1991-06-01 00:00:00

abstract：:A human isolate of Salmonella enteritidis which displayed strong pellicle formation during static broth culture and mannose-sensitive hemagglutination produced fimbriae which were morphologically indistinguishable from type 1 fimbriae of members of the family Enterobacteriaceae. Fimbrin was purified to homogeneity, an...

journal_title：Journal of bacteriology

authors： Feutrier J,Kay WW,Trust TJ

更新日期：1986-10-01 00:00:00

abstract：:The well-known large catabolic potential of rhodococci is greatly facilitated by an impressive gene multiplicity. This study reports on the multiplicity of kshA, encoding the oxygenase component of 3-ketosteroid 9α-hydroxylase, a key enzyme in steroid catabolism. Five kshA homologues (kshA1 to kshA5) were previously i...

journal_title：Journal of bacteriology

authors： Petrusma M,Hessels G,Dijkhuizen L,van der Geize R

更新日期：2011-08-01 00:00:00

abstract：:Saccharomyces cerevisiae was grown in a continuous culture at a single dilution rate with input ammonia concentrations whose effects ranged from nitrogen limitation to nitrogen excess and glucose limitation. The rate of ammonia assimilation (in millimoles per gram of cells per hour) was approximately constant. Increas...

journal_title：Journal of bacteriology

authors： ter Schure EG,Silljé HH,Verkleij AJ,Boonstra J,Verrips CT

更新日期：1995-11-01 00:00:00

abstract：:The major acid-soluble spore proteins (ASSPs) of Bacillus subtilis were detected by immunoprecipitation of radioactively labeled in vitro- and in vivo-synthesized proteins. ASSP synthesis in vivo began 2 h after the initiation of sporulation (t2) and reached its maximum rate at t7. This corresponded to the time of syn...

journal_title：Journal of bacteriology

authors： Leventhal JM,Chambliss GH

更新日期：1982-12-01 00:00:00

abstract：:The prfA gene of Listeria monocytogenes was recently reported to be required for expression of hly, which encodes a pore-forming hemolysin essential for pathogenicity (M. Leimeister-Wachter, C. Haffner, E. Domann, W. Goebel, and T. Chakraborty, Proc. Natl. Acad. Sci. USA 87:8336-8340, 1990). We demonstrate here that a...

journal_title：Journal of bacteriology

authors： Freitag NE,Youngman P,Portnoy DA

更新日期：1992-02-01 00:00:00

abstract：:Glycine betaine is an effective osmoprotectant for Bacillus subtilis. Its import into osmotically stressed cells led to the buildup of large pools, whose size was sensitively determined by the degree of the osmotic stress imposed. The amassing of glycine betaine caused repression of the formation of an osmostress-adap...

journal_title：Journal of bacteriology

authors： Hoffmann T,Wensing A,Brosius M,Steil L,Völker U,Bremer E

更新日期：2013-02-01 00:00:00

abstract：:The Escherichia coli gene cluster encoding enzymatic activities responsible for the synthesis and activation of 2,3-dihydroxybenzoic acid in the formation of the catechol siderophore enterobactin was localized to a 4.2-kilobase chromosomal DNA fragment. Analysis of various subclones and transposon insertion mutations ...

journal_title：Journal of bacteriology

authors： Nahlik MS,Fleming TP,McIntosh MA

更新日期：1987-09-01 00:00:00

abstract：:A mutant (designated mec(-)) of Escherichia coli F(+) 100 endo I(-)su(+) r(K) (-)m(K) (+) has been isolated which is defective in cytosine-specific deoxyribonucleic acid (DNA) methylase activity. The DNA of this mutant, as well as the DNA of phages lambda and fd propagated in it, is virtually devoid of 5-methyl-cytosi...

journal_title：Journal of bacteriology

authors： Hattman S,Schlagman S,Cousens L

更新日期：1973-09-01 00:00:00

abstract：:Thermococcus kodakarensis (formerly Thermococcus kodakaraensis) strains have been constructed with synthetic and natural DNA sequences, predicted to function as archaeal transcription terminators, identically positioned between a constitutive promoter and a beta-glycosidase-encoding reporter gene (TK1761). Expression ...

journal_title：Journal of bacteriology

authors： Santangelo TJ,Cubonová L,Skinner KM,Reeve JN

更新日期：2009-11-01 00:00:00