Differential distribution of novel restriction-modification systems in clonal lineages of Neisseria meningitidis.

abstract：:Mycoplasmas isolated from simian (Cercopithecus aethiops) tissues were shown to have biological, biochemical, and serological properties and electrophoretic cell protein patterns similar to strain Navel isolated from man 15 years ago. The simian and human Navel strains comprised a single serogroup, distinct from the e...

journal_title：Journal of bacteriology

authors： DelGiudice RA,Carski TR,Barile MF,Lemcke RM,Tully JG

更新日期：1971-10-01 00:00:00

abstract：:In Zymomonas mobilis, three- to fourfold more glyceraldehyde-3-phosphate dehydrogenase protein than phosphoglycerate kinase is needed for glycolysis because of differences in catalytic efficiency. Consistent with this requirement, higher levels of glyceraldehyde-3-phosphate dehydrogenase were observed with two-dimensi...

journal_title：Journal of bacteriology

authors： Eddy CK,Keshav KF,An H,Utt EA,Mejia JP,Ingram LO

更新日期：1991-01-01 00:00:00

abstract：:LcrV, an essential piece of the Yop virulon, is encoded by the large lcrGVsycDyopBD operon. In spite of repeated efforts, the role of LcrV in the Yop virulon remains elusive. In an attempt to clarify this, we engineered a complete deletion of lcrV in the pYV plasmid of Yersinia enterocolitica E40 and characterized the...

journal_title：Journal of bacteriology

authors： Sarker MR,Neyt C,Stainier I,Cornelis GR

更新日期：1998-03-01 00:00:00

abstract：:The deletion of a gene coding for a histidine kinase (sll0750, Hik8) in the unicellular cyanobacterium Synechocystis sp. strain PCC 6803 resulted in a conditional lethal phenotype with a pleiotropic effect on the expression of genes involved in glucose metabolism. This mutant had comparable doubling times to wild type...

journal_title：Journal of bacteriology

authors： Singh AK,Sherman LA

更新日期：2005-04-01 00:00:00

abstract：:In this report we describe the cloning, organization, and promoter analysis of the Staphylococcus aureus thioredoxin (trxA) and thioredoxin reductase (trxB) genes and their transcription in response to changes in oxygen concentration and to oxidative stress compounds. Northern analysis showed that the S. aureus trxA a...

journal_title：Journal of bacteriology

authors： Uziel O,Borovok I,Schreiber R,Cohen G,Aharonowitz Y

更新日期：2004-01-01 00:00:00

abstract：:The tsr gene specifies a methyl-accepting membrane protein involved in chemotaxis to serine and several repellent compounds. We have characterized a special class of tsr mutations designated cheD which alter the signaling properties of the Tsr transducer. Unlike tsr null mutants, cheD strains are generally nonchemotac...

journal_title：Journal of bacteriology

authors： Callahan AM,Parkinson JS

更新日期：1985-01-01 00:00:00

abstract：:Common histidine-to-aspartate (His-to-Asp) phosphorelay signaling systems involve three types of signaling components: a sensor His kinase, a response regulator, and a histidine-containing phosphotransfer (HPt) protein. In the fission yeast Schizosaccharomyces pombe, two response regulators, Mcs4 and Prr1, have been i...

journal_title：Journal of bacteriology

authors： Aoyama K,Mitsubayashi Y,Aiba H,Mizuno T

更新日期：2000-09-01 00:00:00

abstract：:Pyridine nucleotide-dependent glucose dehydrogenase activity (GPND) is described for the first time in cell-free extracts of certain blue-green algae. When glucose is added to these crude cell extracts, nicotinamide adenine dinucleotide phosphate is reduced at twice the rate as nicotinamide adenine dinucleotide; but e...

journal_title：Journal of bacteriology

authors： Pulich WM,Van Baalen C

更新日期：1973-04-01 00:00:00

abstract：:Previously, we demonstrated that Escherichia coli tolC mutations reduce the high-level resistance to tetracycline afforded by the transposon Tn10-encoded TetA pump from resistance at 200 microg/ml to resistance at 40 microg/ml. In this study, we found that the addition of an sbmA mutation to a tolC::Tn10 mutant exacer...

journal_title：Journal of bacteriology

authors： de Cristóbal RE,Vincent PA,Salomón RA

更新日期：2008-02-01 00:00:00

abstract：:The bacterium Myxococcus xanthus undergoes multicellular development during times of nutritional stress and uses extracellular signals to coordinate cell behavior. C-signal affects gene expression late in development, including that of Omega4499, an operon identified by insertion of Tn5 lac into the M. xanthus chromos...

journal_title：Journal of bacteriology

authors： Yoder DR,Kroos L

更新日期：2004-06-01 00:00:00

abstract：:The products of the bvgAS locus coordinately regulate expression of the Bordetella pertussis virulence regulon in response to environmental signals. Transcription of bvgAS-activated genes is nearly eliminated by several modulating conditions, including the presence of sulfate anion or nicotinic acid and growth at low ...

journal_title：Journal of bacteriology

authors： Miller JF,Johnson SA,Black WJ,Beattie DT,Mekalanos JJ,Falkow S

更新日期：1992-02-01 00:00:00

abstract：:Purified superdormant spores of Bacillus cereus, B. megaterium, and B. subtilis isolated after optimal heat activation of dormant spores and subsequent germination with inosine, d-glucose, or l-valine, respectively, germinate very poorly with the original germinants used to remove dormant spores from spore populations...

journal_title：Journal of bacteriology

authors： Ghosh S,Zhang P,Li YQ,Setlow P

更新日期：2009-09-01 00:00:00

abstract：:The extracellular chlamydial infectious particle, or elementary body (EB), is enveloped by an intra- and intermolecular cysteine cross-linked protein shell called the chlamydial outer membrane complex (COMC). A few abundant proteins, including the major outer membrane protein and cysteine-rich proteins (OmcA and OmcB)...

journal_title：Journal of bacteriology

authors： Liu X,Afrane M,Clemmer DE,Zhong G,Nelson DE

更新日期：2010-06-01 00:00:00

abstract：:Preliminary evidence has been presented by Guilfoile and Hutchinson (J. Bacteriol. 174:3651-3658, 1992) suggesting that the Streptomyces glaucescens TcmR protein is a transcriptional repressor. Here, we extend that work by showing that transcription of the S. glaucescens tcmA gene is inducible by tetracenomycin C and ...

journal_title：Journal of bacteriology

authors： Guilfoile PG,Hutchinson CR

更新日期：1992-06-01 00:00:00

abstract：:The isopropylmalate isomerase in Salmonella typhimurium is the second enzyme specific for leucine biosynthesis. It is a complex enzyme composed of two subunits which are coded for by two genes of the leucine operon, leuC and leuD. The two polypeptides have been shown to copurify through successive ammonium sulfate fra...

journal_title：Journal of bacteriology

authors： Fultz PN,Kemper J

更新日期：1981-10-01 00:00:00

abstract：:Small nuclear ribonucleoprotein (snRNP) particles play an important role in the processing of pre-mRNA. snRNPs have been identified immunologically in a variety of cells, but none have ever been observed in prokaryotic systems. This report provides the first evidence for the presence of snRNP-like components in two ty...

journal_title：Journal of bacteriology

authors： Kovacs SA,O'Neil J,Watcharapijarn J,Moe-Kirvan C,Vijay S,Silva V

更新日期：1993-04-01 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：:We report a draft sequence of the genome of Gordonia neofelifaecis NRRL B-59395, a cholesterol-degrading actinomycete isolated from fresh feces of a clouded leopard (Neofelis nebulosa). As predicted, the reported genome contains several gene clusters for cholesterol degradation. This is the second available genome seq...

journal_title：Journal of bacteriology

authors： Ge F,Li W,Chen G,Liu Y,Zhang G,Yong B,Wang Q,Wang N,Huang Z,Li W,Wang J,Wu C,Xie Q,Liu G

更新日期：2011-09-01 00:00:00

abstract：:In Escherichia coli, the phn operon encodes proteins responsible for the uptake and breakdown of phosphonates. The C-P (carbon-phosphorus) lyase enzyme encoded by this operon which catalyzes the cleavage of C-P bonds in phosphonates has been recalcitrant to biochemical characterization. To advance the understanding of...

journal_title：Journal of bacteriology

authors： Parker GF,Higgins TP,Hawkes T,Robson RL

更新日期：1999-01-01 00:00:00

abstract：:We isolated and characterized crp mutations in Escherichia coli that allow cyclic AMP (cAMP) receptor protein to function without cAMP. These mutants defined a region involved in the cAMP-induced allosteric change of cAMP receptor protein that is necessary for activation of the protein. Currently, we have isolated int...

journal_title：Journal of bacteriology

authors： Garges S,Adhya S

更新日期：1988-04-01 00:00:00

abstract：:Two acid-inducible genes, aniC and aciK, that require anaerobiosis and tyrosine for expression were identified as orf326a encoding a potential amino acid/polyamine antiporter and hyaB encoding hydrogenase I, respectively. Cyclic AMP (cAMP) receptor protein, cAMP, and TyrR, regulator of aromatic amino acid metabolism, ...

journal_title：Journal of bacteriology

authors： Park KR,Giard JC,Eom JH,Bearson S,Foster JW

更新日期：1999-01-01 00:00:00

abstract：:The replication order of markers was studied in Bacillus subtilis strains bearing the trpE26 mutation by the use of the density transfer technique. An important difference in this order was observed in comparison with that of strain 168 T-. All markers tested of a chromosome segment extending from trpD to ilvA replica...

journal_title：Journal of bacteriology

authors： Trowsdale J,Anagnostopoulos C

更新日期：1975-06-01 00:00:00

abstract：:The region of the colicin E1 polypeptide that interacts with immunity protein has been localized to a 168-residue COOH-terminal peptide. This is the length of a proteolytically generated peptide fragment of colicin E1 against which imm+ function can be demonstrated in osmotically shocked cells. The role of particular ...

journal_title：Journal of bacteriology

authors： Bishop LJ,Bjes ES,Davidson VL,Cramer WA

更新日期：1985-10-01 00:00:00

abstract：:By using the isotope pairs (22)Na-(24)Na and (42)K-(86)Rb, the uptake and retention of Na and K was studied in the salt-tolerant Debaryomyces hansenii and in the less tolerant Saccharomyces cerevisiae at NaCl levels of 4 mm and 0.68, 1.35, and 2.7 m in the medium. The ratio of K to Na is much higher in the cells than ...

journal_title：Journal of bacteriology

authors： Norkrans B,Kylin A

更新日期：1969-11-01 00:00:00

abstract：:The development of competence by the dental caries pathogen Streptococcus mutans is mediated primarily through the alternative sigma factor ComX (SigX), which is under the control of multiple regulatory systems and activates the expression of genes involved in DNA uptake and recombination. Here we report that the indu...

journal_title：Journal of bacteriology

authors： Guo Q,Ahn SJ,Kaspar J,Zhou X,Burne RA

更新日期：2014-01-01 00:00:00

abstract：:It is thought that in the gram-negative soil bacterium Sinorhizobium meliloti the protein ExoP is involved in biosynthesis of the acidic exopolysaccharide succinoglycan (EPS I). The amounts and compositions of EPS I produced by mutants expressing ExoP proteins characterized by specific amino acid substitutions in the ...

journal_title：Journal of bacteriology

authors： Niemeyer D,Becker A

更新日期：2001-09-01 00:00:00

abstract：:YoeB is a bacterial toxin encoded by the yefM-yoeB toxin-antitoxin system found in various bacterial genomes. Here, we show that Staphylococcus aureus contains two YoeB homologues, both of which function as ribosome-dependent mRNA interferases to inhibit translation initiation in a manner identical to that of YoeB-ec ...

journal_title：Journal of bacteriology

authors： Yoshizumi S,Zhang Y,Yamaguchi Y,Chen L,Kreiswirth BN,Inouye M

更新日期：2009-09-01 00:00:00

abstract：:Rhizobium phaseoli lacks glutamate dehydrogenase (GDH) and assimilates ammonium by the glutamine synthetase-glutamate synthase pathway. A strain of R. phaseoli harboring the Escherichia coli GDH structural gene (gdhA) was constructed. GDH activity was expressed in R. phaseoli in the free-living state and in symbiosis....

journal_title：Journal of bacteriology

authors： Bravo A,Becerril B,Mora J

更新日期：1988-02-01 00:00:00

abstract：:A psychrotolerant marine bacterial strain, designated JUB59(T), was isolated from Antarctic surface seawater and classified as a new species of the genus Bizionia. Here, we present the first draft genome sequence for this genus, which suggests interesting features such as UV resistance, hydrolytic exoenzymes, and nitr...

journal_title：Journal of bacteriology

authors： Lanzarotti E,Pellizza L,Bercovich A,Foti M,Coria SH,Vazquez SC,Ruberto L,Hernández EA,Dias RL,Mac Cormack WP,Cicero DO,Smal C,Nicolas MF,Vasconcelos AT,Marti MA,Turjanski AG

更新日期：2011-12-01 00:00:00

abstract：:We have evaluated the use of [1,2-13C2]propionate for the analysis of propionic acid metabolism, based on the ability to distinguish between the methylcitrate and methylmalonate pathways. Studies using propionate-adapted Escherichia coli MG1655 cells were performed. Preservation of the 13C-13C-12C carbon skeleton in l...

journal_title：Journal of bacteriology

authors： London RE,Allen DL,Gabel SA,DeRose EF

更新日期：1999-06-01 00:00:00