Control of extracellular polysaccharide synthesis in Erwinia stewartii and Escherichia coli K-12: a common regulatory function.

abstract：:Welker, N. E. (Western Reserve University, Cleveland, Ohio), and L. Leon Campbell. Preferential synthesis of alpha-amylase by Bacillus stearothermophilus in the presence of 5-methyl-tryptophan. J. Bacteriol. 87:828-831. 1964.-Washed-cell suspensions of Bacillus stearothermophilus induced with pure maltose preferential...

journal_title：Journal of bacteriology

authors： WELKER NE,CAMPBELL LL

更新日期：1964-04-01 00:00:00

abstract：:Streptococcus bovis JB1 cells energized with glucose transported glutamine at a rate of 7 nmol/mg of protein per min at a pH of 5.0 to 7.5; sodium had little effect on the transport rate. Because valinomycin-treated cells loaded with K and diluted into Na (pH 6.5) to create an artificial delta psi took up little gluta...

journal_title：Journal of bacteriology

authors： Chen GJ,Russell JB

更新日期：1989-06-01 00:00:00

abstract：:Cohen, Jay O. (Communicable Disease Center, Atlanta, Ga.), Glenda S. Cowart, and William B. Cherry. Antibodies against Staphylococcus aureus in nonimmunized rabbits. J. Bacteriol. 82:110-114. 1961.-Antibody against staphylococci was demonstrated in the serum of each of 36 nonimmunized specific-pathogen-free rabbits th...

journal_title：Journal of bacteriology

authors： COHEN JO,COWART GS,CHERRY WB

更新日期：1961-07-01 00:00:00

abstract：:Prolyl-phenylalanine-specific serine protease (dentilisin) is a major extracellular protease produced by Treponema denticola. The gene, prtP, coding for the protease was recently cloned and sequenced (K. Ishihara, T. Miura, H. K. Kuramitsu, and K. Okuda, Infect. Immun. 64:5178-5186, 1996). In order to determine the ro...

journal_title：Journal of bacteriology

authors： Ishihara K,Kuramitsu HK,Miura T,Okuda K

更新日期：1998-08-01 00:00:00

abstract：:An incompetent mutant (4S Com(-)) does not release competence-inducing factor (CF) into the culture medium and is not infected with TP-1C phage deoxyribonucleic acid (DNA) unless CF is added to the transfection assay. A TP-1C phage-resistant mutant (4S Ton-r) releases relatively large amounts of CF into the culture me...

journal_title：Journal of bacteriology

authors： Streips UN,Welker NE

更新日期：1971-06-01 00:00:00

abstract：:Emulsan, the polyanionic emulsifying agent synthesized by Acinetobacter calcoaceticus RAG-1, was depolymerized by an enzyme obtained from a soil bacterium YUV-1. The extracellular emulsan depolymerase was produced when strains RAG-1 and YUV-1 were grown together on agar medium. The enzyme was extracted from the agar a...

journal_title：Journal of bacteriology

authors： Shoham Y,Rosenberg E

更新日期：1983-10-01 00:00:00

abstract：:Early stages of nodulation involve the exchange of signals between the bacterium and the host plant. Bacterial nodulation (nod) genes are required for Rhizobium spp. to synthesize lipooligosaccharide morphogens, termed Nod factors. The common nod genes encode enzymes that synthesize the factor core structure, which is...

journal_title：Journal of bacteriology

authors： Ehrhardt DW,Atkinson EM,Faull KF,Freedberg DI,Sutherlin DP,Armstrong R,Long SR

更新日期：1995-11-01 00:00:00

abstract：:Allantoate uptake appears to be mediated by an energy-dependent active transport system with an apparent Michaelis constant of about 50 microM. Cells were able to accumulate allantoate to greater than 3,000 times the extracellular concentration. The rate of accumulation was maximum at pH 5.7 to 5.8. The energy source ...

journal_title：Journal of bacteriology

authors： Turoscy V,Cooper TG

更新日期：1979-12-01 00:00:00

abstract：:Campylobacter jejuni commensally colonizes the cecum of birds. The RacR (reduced ability to colonize) response regulator was previously shown to be important in avian colonization. To explore the means by which RacR and its cognate sensor kinase RacS may modulate C. jejuni physiology and colonization, ΔracR and ΔracS ...

journal_title：Journal of bacteriology

authors： Apel D,Ellermeier J,Pryjma M,Dirita VJ,Gaynor EC

更新日期：2012-05-01 00:00:00

abstract：:Normal animal sera inhibit at least one Clostridium histolyticum proteinase. An assay procedure based on immune hemolysis was developed for the estimation of this inhibition. This inhibitory activity occurs in various levels in the sera of different animal species. The highest titers have been obtained with rat sera. ...

journal_title：Journal of bacteriology

authors： Luzzati A,Goldlust MB,Levine L

更新日期：1968-12-01 00:00:00

abstract：:The nucleotide sequence of a 2220-base-pair fragment containing the btuB gene of Escherichia coli was determined. There was a single open reading frame which was translated into a 614-amino-acid polypeptide, the first 20 amino acids of which comprised a typical leader sequence. The putative mature or processed form ha...

journal_title：Journal of bacteriology

authors： Heller K,Kadner RJ

更新日期：1985-03-01 00:00:00

abstract：:The antibacterial protein Colicin V (ColV) is secreted from gram-negative bacteria by a signal sequence-independent pathway. The proteins that mediate the export of ColV share sequence similarities with components from other signal sequence-independent export systems such as those for alpha-hemolysin (Hly) and Erwinia...

journal_title：Journal of bacteriology

authors： Fath MJ,Skvirsky RC,Kolter R

更新日期：1991-12-01 00:00:00

abstract：:The enzyme pattern of Saccharomyces cerevisiae was followed during batch growth and in continuous culture in a synthetic medium limited for glucose under aerobic conditions. Seven enzymes were measured: succinate-cytochrome c oxidoreductase, malate dehydrogenase, nicotinamide adenine dinucleotide-linked glutamate dehy...

journal_title：Journal of bacteriology

authors： Beck C,von Meyenburg HK

更新日期：1968-08-01 00:00:00

abstract：:The spoIIG promoter is used by RNA polymerase containing sigma A (E sigma A), the primary form of RNA polymerase found in vegetative cells in Bacillus subtilis. However, the spoIIG promoter is active only after the onset of sporulation. Activation of the spoIIG promoter requires the product of the spo0A gene (Spo0A). ...

journal_title：Journal of bacteriology

authors： Satola SW,Baldus JM,Moran CP Jr

更新日期：1992-03-01 00:00:00

abstract：:The Brucella abortus virB locus contains 12 open reading frames, termed virB1 through virB12, which encode a type IV secretion system. Polar mutations in the virB locus markedly reduce the ability of B. abortus to survive in cultured macrophages or to persist in organs of mice. While a nonpolar deletion of the virB2 g...

journal_title：Journal of bacteriology

authors： den Hartigh AB,Rolán HG,de Jong MF,Tsolis RM

更新日期：2008-07-01 00:00:00

abstract：:In Escherichia coli, T:G mismatches in specific contexts are corrected by a very short patch (VSP) repair system. Previous studies have shown that the product of gene vsr mediates correction of T:G to C:G in the 5'CTAGG/3'GGTCC context and in some related contexts. Amber mutations that arose in CAG sequences in gene c...

journal_title：Journal of bacteriology

authors： Lieb M,Rehmat S

更新日期：1995-02-01 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：:Certain carbohydrates (rhamnose, 3-O-methyl rhamnose, and galactosamine) have been demonstrated to be present in Bacillus anthracis spores but absent in vegetative cells. Others have demonstrated that these spore-specific sugars are constituents of the glycoprotein BclA. In the current work, spore extracts were separa...

journal_title：Journal of bacteriology

authors： Waller LN,Stump MJ,Fox KF,Harley WM,Fox A,Stewart GC,Shahgholi M

更新日期：2005-07-01 00:00:00

abstract：:SecA facilitates protein transport across the eubacterial plasma membrane by its association with cargo proteins and the SecYEG translocon, followed by ATP-driven conformational changes that promote protein translocation in a stepwise manner. Whether SecA functions as a monomer or a dimer during this process has been ...

journal_title：Journal of bacteriology

authors： Jilaveanu LB,Oliver D

更新日期：2006-01-01 00:00:00

abstract：:Many Escherichia coli K-12 strains display an intrinsic resistance to the peptide antibiotic microcin J25. In this study, we present results showing that the leucine-responsive regulatory protein, Lrp, is involved in this phenotype by acting as a positive regulator of YojI, a chromosomally encoded efflux pump which ex...

journal_title：Journal of bacteriology

authors： Socías SB,Vincent PA,Salomón RA

更新日期：2009-02-01 00:00:00

abstract：:The mutation sup-3 in Bacillus subtilis suppresses ochre (TAA) mutations at each of three codons in the 5' end of the cat-86 coding sequence. The suppressor is shown to insert lysine at ochre codons. The efficiency of suppression by sup-3 is about 15%, as determined by changing a cat-86 Lys codon (codon 12) to an ochr...

journal_title：Journal of bacteriology

authors： Mulbry WW,Ambulos NP Jr,Lovett PS

更新日期：1989-10-01 00:00:00

abstract：:Chlamydia spp. exhibit a unique biphasic developmental cycle whereby infectious elementary bodies (EBs) invade host epithelial cells and differentiate into noninfectious, metabolically active reticulate bodies (RBs). EBs posses a unique outer envelope where rigidity is achieved by disulfide bonding among cysteine-rich...

journal_title：Journal of bacteriology

authors： Betts-Hampikian HJ,Fields KA

更新日期：2011-12-01 00:00:00

abstract：:Dinitrogenase reductase-activating glycohydrolase (DRAG), involved in the regulation of nitrogenase activity in Rhodospirillum rubrum, is associated with chromatophore membranes in cell extracts. We show that DRAG can be specifically released by treatment with MgGDP; other nucleotides studied had no effect. The DRAG a...

journal_title：Journal of bacteriology

authors： Norén A,Nordlund S

更新日期：1997-12-01 00:00:00

abstract：:We have sequenced the rightmost 1,700 base pairs of bacteriophage PRD1. This region encompasses the right early region and completes the sequence of all PRD1 early functions. We have also mapped the 5' initiation site of right early transcripts in vivo and in vitro. This has allowed us to assign gene XII to an open re...

journal_title：Journal of bacteriology

authors： Gerendasy D,Ito J

更新日期：1990-04-01 00:00:00

abstract：:soxR governs a superoxide response regulon that contains the genes for endonuclease IV, Mn2(+)-superoxide dismutase, and glucose 6-phosphate dehydrogenase. The soxR gene encodes a 17-kDa protein; some mutations of this gene cause constitutive overexpression of the regulon. Induction by paraquat (methyl viologen) requi...

journal_title：Journal of bacteriology

authors： Wu J,Weiss B

更新日期：1991-05-01 00:00:00

abstract：:The mutant sigA allele of Bacillus subtilis DB1005 was confirmed to be temperature sensitive (ts) and transferable among strains of B. subtilis by chromosomal transformation and gene conversion. This ts sigA allele had a pleiotropic effect on gene expression of DB1005. The induction of certain heat shock proteins in D...

journal_title：Journal of bacteriology

authors： Chang BY,Chen KY,Wen YD,Liao CT

更新日期：1994-06-01 00:00:00

abstract：:The isolation of a new thermophilic bacterium, Thermus aquaticus gen. n. and sp. n., is described. Successful enrichment requires incubation at 70 to 75 C, and the use of nutrient media relatively dilute with respect to the organic components. Strains of T. aquaticus have been isolated from a variety of thermal spring...

journal_title：Journal of bacteriology

authors： Brock TD,Freeze H

更新日期：1969-04-01 00:00:00

abstract：:Acyl-homoserine lactone (acyl-HSL) quorum sensing is common to many Proteobacteria including a clinical isolate of Burkholderia cepacia. The B. cepacia isolate produces low levels of octanoyl-HSL. We have examined an environmental isolate of Burkholderia vietnamiensis. This isolate produced several acyl-HSLs. The most...

journal_title：Journal of bacteriology

authors： Conway BA,Greenberg EP

更新日期：2002-02-01 00:00:00

abstract：:Strains of Escherichia coli have been made carrying lesions in more than one gene determining recombination. The following genotypes were constructed and verified: recC22 recB21 recA(+), recC22 recB21 recA13, recC22 recB(+)recA13, and recC(+)recB21 recA13. All multiple rec(-) strains carrying recA13 were similar to AB...

journal_title：Journal of bacteriology

authors： Willetts NS,Clark AJ

更新日期：1969-10-01 00:00:00

abstract：:Agrobacterium tumefaciens R10 was mutagenized by using the promoter probe transposon Tn5-gusA7, and a library of approximately 5,000 transcriptional fusions was screened for octopine-inducible patterns of gene expression. Twenty-one mutants carrying strongly inducible gusA fusions, 20 of which showed defects in the ca...

journal_title：Journal of bacteriology

authors： Cho K,Fuqua C,Martin BS,Winans SC

更新日期：1996-04-01 00:00:00