The ToxR protein of Vibrio cholerae forms homodimers and heterodimers.

abstract：:The Rhodobacter capsulatus genome contains three genes (olsA [plsC138], plsC316, and plsC3498) that are annotated as lysophosphatidic acid (1-acyl-sn-glycerol-3-phosphate) acyltransferase (AGPAT). Of these genes, olsA was previously shown to be an O-acyltransferase in the second step of ornithine lipid biosynthesis, w...

journal_title：Journal of bacteriology

authors： Aygun-Sunar S,Bilaloglu R,Goldfine H,Daldal F

更新日期：2007-12-01 00:00:00

abstract：:Successful completion of the bacteriophage P2 lytic cycle requires phage-induced lysis of its Escherichia coli host, a process that is poorly understood. Genetic analysis of lysis-deficient mutants defined a single locus, gene K, which lies within the largest late transcription unit of P2 and maps between head gene L ...

journal_title：Journal of bacteriology

authors： Ziermann R,Bartlett B,Calendar R,Christie GE

更新日期：1994-08-01 00:00:00

abstract：:2-Carboxybenzaldehyde dehydrogenase from the phenanthrene-degrading bacterium Nocardioides sp. strain KP7 was purified and characterized. The purified enzyme had a molecular mass of 53 kDa by sodium dodecyl sulfate-polyacrylamide gel electrophoresis and 205 kDa by gel filtration chromatography. Thus, the homotetramer ...

journal_title：Journal of bacteriology

authors： Iwabuchi T,Harayama S

更新日期：1997-10-01 00:00:00

abstract：:An in vitro system of cell envelopes from Salmonella typhimurium with functional flagella was used to determine the minimal requirements for flagellar rotation. Rotation in the absence of cytoplasmic constituents could be driven either by respiration or by an artificially imposed chemical gradient of protons. No speci...

journal_title：Journal of bacteriology

authors： Ravid S,Eisenbach M

更新日期：1984-06-01 00:00:00

abstract：:Under static growth conditions, hyperpiliated, nontwitching pilT and pilU mutants of Pseudomonas aeruginosa formed dense biofilms, showing that adhesion, not twitching motility, is necessary for biofilm initiation. Under flow conditions, the pilT mutant formed mushroom-like structures larger than those of the wild typ...

journal_title：Journal of bacteriology

authors： Chiang P,Burrows LL

更新日期：2003-04-01 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：:Temperate bacteriophages effect chromosomal evolution of their bacterial hosts, mediating rearrangements and the acquisition of novel genes from other taxa. Although the Haemophilus influenzae genome shows evidence of past phage-mediated lateral transfer, the phages presumed responsible have not been identified. To da...

journal_title：Journal of bacteriology

authors： Williams BJ,Golomb M,Phillips T,Brownlee J,Olson MV,Smith AL

更新日期：2002-12-01 00:00:00

abstract：:The AraC homolog ToxT coordinately regulates virulence gene expression in Vibrio cholerae. ToxT is required for transcriptional activation of the genes encoding cholera toxin and the toxin coregulated pilus, among others. In this work we focused on the interaction of ToxT with the tcpA promoter and investigated the me...

journal_title：Journal of bacteriology

authors： Hulbert RR,Taylor RK

更新日期：2002-10-01 00:00:00

abstract：:A positive selection method for isolation of nitrogenase-derepressed mutant strains of a filamentous cyanobacterium, Anabaena variabilis, is described. Mutant strains that are resistant to a glutamate analog, L-methionine-D,L-sulfoximine, were screened for their ability to produce and excrete NH4+ into medium. Mutant ...

journal_title：Journal of bacteriology

authors： Spiller H,Latorre C,Hassan ME,Shanmugam KT

更新日期：1986-02-01 00:00:00

abstract：:Nisin is a pore-forming antimicrobial peptide. The capacity of nisin to induce transmembrane movement of a fluorescent phospholipid in lipid vesicles was investigated. Unilamellar phospholipid vesicles that contained a fluorescent phospholipid (1-acyl-2-(6-[(7-nitro-2-1, 3-benzoxadiazol-4-yl)amino]caproyl)-sn-glycero-...

journal_title：Journal of bacteriology

authors： Moll GN,Konings WN,Driessen AJ

更新日期：1998-12-01 00:00:00

abstract：:We present the complete genome sequence of Yersinia pestis KIM, the etiologic agent of bubonic and pneumonic plague. The strain KIM, biovar Mediaevalis, is associated with the second pandemic, including the Black Death. The 4.6-Mb genome encodes 4,198 open reading frames (ORFs). The origin, terminus, and most genes en...

journal_title：Journal of bacteriology

authors： Deng W,Burland V,Plunkett G 3rd,Boutin A,Mayhew GF,Liss P,Perna NT,Rose DJ,Mau B,Zhou S,Schwartz DC,Fetherston JD,Lindler LE,Brubaker RR,Plano GV,Straley SC,McDonough KA,Nilles ML,Matson JS,Blattner FR,Perry RD

更新日期：2002-08-01 00:00:00

abstract：:A procedure is described for the purification of the Escherichia coli outer membrane (lipopolysaccharide or L membrane) with flagella still attached. The resulting lipopolysaccharide membrane was in the form of vesicles that had a trilaminar structure in thin section and contained about 55% lipopolysaccharide and 45% ...

journal_title：Journal of bacteriology

authors： DePamphilis ML,Adler J

更新日期：1971-01-01 00:00:00

abstract：:We report here the identification of a new lipoprotein, NlpI, in Escherichia coli K-12. The NlpI structural gene (nlpI) is located between the genes pnp (polynucleotide phosphorylase) and deaD (RNA helicase) at 71 min on the E. coli chromosome. The nlpI gene encodes a putative polypeptide of approximately 34 kDa, and ...

journal_title：Journal of bacteriology

authors： Ohara M,Wu HC,Sankaran K,Rick PD

更新日期：1999-07-01 00:00:00

abstract：:Mutant strains of Aspergillus niger with reduced citrate control of carbohydrate catabolism (cic mutants) grow faster than the parent strain on media containing 5% (wt/vol) citrate. The mutants tolerated a higher intracellular citrate concentration than the parent strain. One mutant (cic-7/3) contained phosphofructoki...

journal_title：Journal of bacteriology

authors： Schreferl G,Kubicek CP,Röhr M

更新日期：1986-03-01 00:00:00

abstract：:Protein and mRNA levels of heat-labile enterotoxin (LT) of Escherichia coli are highest at 37 degrees C, and they decrease gradually as temperature is decreased. This temperature effect is eliminated in an Hns- mutant. Deletion of portions of DNA coding for the LT A subunit also results in an increase in LT expression...

journal_title：Journal of bacteriology

authors： Trachman JD,Maas WK

更新日期：1998-07-01 00:00:00

abstract：:In exponentially growing cultures of Escherichia coli strains carrying the dnaC28 mutation, DNA replication can be synchronized by temperature changes (R. L. Rodriguez, M. S. Dalbey, and C. I. Davern, J. Mol. Biol. 74:599-604, 1973). We used this synchronization procedure and DNA-DNA hybridization to develop a techniq...

journal_title：Journal of bacteriology

authors： Fayet O,Prere MF

更新日期：1987-12-01 00:00:00

abstract：:Faithful DNA replication involves the removal of RNA residues from genomic DNA prior to the ligation of nascent DNA fragments in all living organisms. Because the physiological roles of archaeal type 2 RNase H are not fully understood, the substrate structure requirements for the detection of RNase H activity need fur...

journal_title：Journal of bacteriology

authors： Le Laz S,Le Goaziou A,Henneke G

更新日期：2010-07-01 00:00:00

abstract：:Saccharomyces cerevisiae degrades allantoin in five steps to ammonia, CO(2), and glyoxylate. Previously we demonstrated that allophanic acid, the last intermediate of the pathway, was required for induction of all five degradative enzymes. The data presented here indicate that oxaluric acid, an allophanate analogue, i...

journal_title：Journal of bacteriology

authors： Sumrada R,Cooper TG

更新日期：1974-03-01 00:00:00

abstract：:The diphtheria toxin repressor (DtxR) uses Fe(2+) as a corepressor and inhibits transcription from iron-regulated promoters (IRPs) in Corynebacterium diphtheriae. A new IRP, designated IRP6, was cloned from C. diphtheriae by a SELEX-like procedure. DtxR bound to IRP6 in vitro only in the presence of appropriate divale...

journal_title：Journal of bacteriology

authors： Qian Y,Lee JH,Holmes RK

更新日期：2002-09-01 00:00:00

abstract：:Mycoplasmas that are known to exhibit gliding motility possess a differentiated tip structure. This polar organelle mediates cytadherence and gliding motor activity and contains a cytoskeleton-like component that provides structural support. Here, we describe gliding motility and a unique cytoskeleton in Mycoplasma in...

journal_title：Journal of bacteriology

authors： Relich RF,Friedberg AJ,Balish MF

更新日期：2009-08-01 00:00:00

abstract：:Protein glycosylation is an important posttranslational modification that occurs in all domains of life. Pilins, the structural components of type IV pili, are O glycosylated in Neisseria meningitidis, Neisseria gonorrhoeae, and some strains of Pseudomonas aeruginosa. In this work, we characterized the P. aeruginosa 1...

journal_title：Journal of bacteriology

authors： Faridmoayer A,Fentabil MA,Mills DC,Klassen JS,Feldman MF

更新日期：2007-11-01 00:00:00

abstract：:In Bacillus subtilis, carbon catabolite repression (CCR) of many genes is mediated at cis-acting carbon repression elements (cre) by the catabolite repressor protein CcpA. Mutations in transcription-repair coupling factor (mfd) partially relieve CCR at cre sites located downstream of transcriptional start sites by abo...

journal_title：Journal of bacteriology

authors： Zalieckas JM,Wray LV Jr,Fisher SH

更新日期：1998-12-01 00:00:00

abstract：:The spores of Bacillus subtilis show remarkable resistance to many environmental stresses, due in part to the presence of an outer proteinaceous structure known as the spore coat. GerQ is a spore coat protein essential for the presence of CwlJ, an enzyme involved in the hydrolysis of the cortex during spore germinatio...

journal_title：Journal of bacteriology

authors： Ragkousi K,Setlow P

更新日期：2004-09-01 00:00:00

abstract：:The steps in the biosynthetic transformation of GTP to 7,8-dihydro-D-erythro-neopterin (H2neopterin), the precursor to the modified folates found in the methanogenic archaea, has been elucidated for the first time in two members of the domain Archaea. In Methanococcus thermophila and Methanobacterium thermoautotrophic...

journal_title：Journal of bacteriology

authors： Howell DM,White RH

更新日期：1997-08-01 00:00:00

abstract：:The lasA gene (whose product is involved in the production of extracellular elastolytic activity) was isolated from a genomic bank containing DNA from Pseudomonas aeruginosa FRD1. Recombinant plasmid pELA1, containing the lasA gene, complemented the temperature-sensitive elastase mutation (lasA1) in P. aeruginosa PAO-...

journal_title：Journal of bacteriology

authors： Goldberg JB,Ohman DE

更新日期：1987-03-01 00:00:00

abstract：:The structure of sheathed flagella from Bdellovibrio bacteriovorus was investigated. The first three periods of these flagella were characterized by progressively smaller wavelengths and amplitudes in periods more distal to the cell. The damped appearance was due to a single nonrandom transition between two helical st...

journal_title：Journal of bacteriology

authors： Thomashow LS,Rittenberg SC

更新日期：1985-09-01 00:00:00

abstract：:The sigA and sigB genes of Mycobacterium tuberculosis encode two sigma 70-like sigma factors of RNA polymerase. While transcription of the sigA gene is growth rate independent, sigB transcription is increased during entry into stationary phase. The sigA gene transcription is unresponsive to environmental stress but th...

journal_title：Journal of bacteriology

authors： Hu Y,Coates AR

更新日期：1999-01-01 00:00:00

abstract：:MntH, a bacterial homolog of mammalian natural resistance associated macrophage protein 1 (Nramp1), is a primary transporter for Mn(2+) influx in Salmonella enterica serovar Typhimurium and Escherichia coli. S. enterica serovar Typhimurium MntH contributes to H(2)O(2) resistance and is important for full virulence. Co...

journal_title：Journal of bacteriology

authors： Kehres DG,Janakiraman A,Slauch JM,Maguire ME

更新日期：2002-06-01 00:00:00

abstract：:The application of a simple negative staining technique and freeze-etching has revealed detailed information on the species-specific surface structure of spores and aerial hyphae of streptomycetes. ...

journal_title：Journal of bacteriology

authors： Wildermuth H

更新日期：1970-01-01 00:00:00

abstract：:sigma E is a sporulation-specific sigma factor of Bacillus subtilis that is formed from an inactive precursor protein (pro-sigma E) by the removal of 27 to 29 amino acids from the pro-sigma E amino terminus. By using oligonucleotide-directed mutagenesis, sequential deletions were constructed in the precursor-specific ...

journal_title：Journal of bacteriology

authors： Peters HK 3rd,Carlson HC,Haldenwang WG

更新日期：1992-07-01 00:00:00