Levels of the secreted Vibrio cholerae attachment factor GbpA are modulated by quorum-sensing-induced proteolysis.

abstract：:The gammaproteobacterium Shewanella oneidensis MR-1 utilizes a complex electron transfer network composed primarily of c-type cytochromes to respire under anoxic conditions a variety of compounds, including fumarate, nitrate, and dimethyl sulfoxide (DMSO), in addition to the minerals Fe(III) and Mn(IV). Central to sev...

journal_title：Journal of bacteriology

authors： Cordova CD,Schicklberger MF,Yu Y,Spormann AM

更新日期：2011-05-01 00:00:00

abstract：:Bap (biofilm-associated protein) is a 254-kDa staphylococcal surface protein implicated in formation of biofilms by staphylococci isolated from chronic mastitis infections. The presence of potential EF-hand motifs in the amino acid sequence of Bap prompted us to investigate the effect of calcium on the multicellular b...

journal_title：Journal of bacteriology

authors： Arrizubieta MJ,Toledo-Arana A,Amorena B,Penadés JR,Lasa I

更新日期：2004-11-01 00:00:00

abstract：:Sequence analysis of the large virulence plasmid pLVPK in Klebsiella pneumoniae CG43 revealed the presence of another mucoid factor encoding gene rmpA besides rmpA2. Promoter activity measurement indicated that the deletion of rmpA reduced K2 capsular polysaccharide (CPS) biosynthesis, resulting in decreased colony mu...

journal_title：Journal of bacteriology

authors： Cheng HY,Chen YS,Wu CY,Chang HY,Lai YC,Peng HL

更新日期：2010-06-01 00:00:00

abstract：:We report here direct evidence that mutations in the par locus affect protein-DNA interactions in vivo at the replication origin of plasmid pSC101. Concomitant with par-mediated plasmid stabilization, two sites in the origin region show an altered methylation pattern as detected by in vivo footprinting with dimethyl s...

journal_title：Journal of bacteriology

authors： Ingmer H,Cohen SN

更新日期：1993-09-01 00:00:00

abstract：:Promoters were cloned from the chromosomal DNA of Lactococcus lactis subsp. lactis NP4510 by using promoter-probe vector pGKV210. N-Methyl-N'-nitro-N-nitrosoguanidine-induced mutagenesis of L. lactis-(pBV413), with low-level expression of the cat-86 gene, resulted in enhanced expression. Subcloning and sequencing of t...

journal_title：Journal of bacteriology

authors： Bojovic B,Djordjevic G,Banina A,Topisirovic L

更新日期：1994-11-01 00:00:00

abstract：:The effects of exogenous reducing agents on a number of biological properties of purified Chlamydia trachomatis LGV-434 and Chlamydia psittaci meningopneumonitis elementary bodies (EBs) have been examined in an attempt to identify in vitro correlates of early events in the differentiation of the infectious EB to the r...

journal_title：Journal of bacteriology

authors： Hackstadt T,Todd WJ,Caldwell HD

更新日期：1985-01-01 00:00:00

abstract：:The four methyl-accepting chemotaxis proteins of Escherichia coli, often called transducers, are transmembrane receptor proteins that exhibit substantial identity among the sequences of their cytoplasmic domains. Thus, antiserum raised to one of these proteins recognizes the others and might be expected to recognize r...

journal_title：Journal of bacteriology

authors： Morgan DG,Baumgartner JW,Hazelbauer GL

更新日期：1993-01-01 00:00:00

abstract：:Alcohol-oxidizing enzymes of the facultative methylotroph PAR were investigated after growth of the bacteria on methanol and ethanol. During methanol growth only a phenazine methosulfate-linked alcohol dehydrogenase was detected. This enzyme had broad specificity for primary alcohols and was also capable of oxidation ...

journal_title：Journal of bacteriology

authors： Bellion E,Wu GT

更新日期：1978-07-01 00:00:00

abstract：:Bacteriophage N4 middle genes are transcribed by a phage-coded, heterodimeric, rifampin-resistant RNA polymerase, N4 RNA polymerase II (N4 RNAPII). Sequencing and transcriptional analysis revealed that the genes encoding the two subunits comprising N4 RNAPII are translated from a common transcript initiating at the N4...

journal_title：Journal of bacteriology

authors： Willis SH,Kazmierczak KM,Carter RH,Rothman-Denes LB

更新日期：2002-09-01 00:00:00

abstract：:Several mutants of Bacillus subtilis deficient in catalase synthesis generated by nitrosoguanidine mutagenesis have been used to map a locus affecting catalase activity. Two- and three-factor bacteriophage PBS1 transductional crosses were used to locate the locus, named katA, between recH and thiA with 98% linkage to ...

journal_title：Journal of bacteriology

authors： Loewen PC,Switala J

更新日期：1987-12-01 00:00:00

abstract：:S-Adenosyl-L-methionine:precorrin-2 methyltransferase (SP2MT), which catalyzes the C-20 methylation of precorrin-2 to precorrin-3, was purified to homogeneity from extracts of a recombinant strain of Pseudomonas denitrificans derived from a cobalamin-overproducing strain. Ammonium sulfate fractionation followed by chr...

journal_title：Journal of bacteriology

authors： Thibaut D,Couder M,Crouzet J,Debussche L,Cameron B,Blanche F

更新日期：1990-11-01 00:00:00

abstract：:Induction of colicin la at a high temperature (42 C) was demonstrated in a wild strain of Shigella sonnei. After transfer of the Col factor, a similar effect was observed in those recipient cells acquiring colicinogeny. The induction is suggested to be due to the presence of a thermosensitive colicin repressor. The wi...

journal_title：Journal of bacteriology

authors： Gromkova RH

更新日期：1971-06-01 00:00:00

abstract：:Scanning electron microscopy and transmission electron microscopy have been used to visualize the morphology and ultrastructure of two types of microorganisms in the hindgut of the cockroach Blaberus posticus. Both organisms, designated as either short or long rods, are attached to chitinous projections from the gut w...

journal_title：Journal of bacteriology

authors： Foglesong MA,Walker DH Jr,Puffer JS,Markovetz AJ

更新日期：1975-07-01 00:00:00

abstract：:A protein homooligomer was purified from both the cell envelope fractions and the saline extracts of Rhodopseudomonas sphaeroides cells. This oligomer exhibited strong porin activity when reconstituted into proteoliposomes with egg phosphatidylcholine. In the saline extracts of both chemotrophically and phototrophical...

journal_title：Journal of bacteriology

authors： Weckesser J,Zalman LS,Nikaido H

更新日期：1984-07-01 00:00:00

abstract：:The syrA and syrB genes involved in syringomycin production in Pseudomonas syringae pv. syringae B301D were identified from an EcoRI-pLAFR3 cosmid library and then physically and functionally analyzed in relation to plant pathogenicity. Homologous recombination of the genes required for syringomycin production from co...

journal_title：Journal of bacteriology

authors： Xu GW,Gross DC

更新日期：1988-12-01 00:00:00

abstract：:The three-dimensional structure of the nickel-containing hydrogenase from Thiocapsa roseopersicina has been determined at a resolution of 2 nm in the plane and 4 nm in the vertical direction by electron microscopy and computerized image processing on microcrystals of the enzyme. The enzyme forms a large ring-shaped co...

journal_title：Journal of bacteriology

authors： Sherman MB,Orlova EV,Smirnova EA,Hovmöller S,Zorin NA

更新日期：1991-04-01 00:00:00

abstract：:Orthologs of RecG and RuvABC are highly conserved among prokaryotes; in Escherichia coli, they participate in independent pathways that branch migrate Holliday junctions during recombinational DNA repair. RecG also has been shown to directly convert stalled replication forks into Holliday junctions. The bacterium Heli...

journal_title：Journal of bacteriology

authors： Kang J,Blaser MJ

更新日期：2008-06-01 00:00:00

abstract：:Two different 30-nucleotide regions of the cryIAc insecticidal protoxin gene from Bacillus thuringiensis were randomly mutagenized. One region was within one of seven amphipathic helices believed to be important for the formation of ion channels. There was no loss of toxicity for three test insects by any of 27 mutant...

journal_title：Journal of bacteriology

authors： Aronson AI,Wu D,Zhang C

更新日期：1995-07-01 00:00:00

abstract：:Escherichia coli lactose permease mediates the proton-driven translocation of galactosides across the cytoplasmic membrane. To define regions important for membrane insertion as well as for biological function, we constructed plasmids encoding different portions of the lactose carrier. Among several lacY deletions, tw...

journal_title：Journal of bacteriology

authors： Wrubel W,Stochaj U,Sonnewald U,Theres C,Ehring R

更新日期：1990-09-01 00:00:00

abstract：:The uropathogenic Escherichia coli strain 536 carries at least five genetic elements on its chromosome that meet all criteria characteristic of pathogenicity islands (PAIs). One main feature of these distinct DNA regions is their instability. We applied the so-called island-probing approach and individually labeled al...

journal_title：Journal of bacteriology

authors： Middendorf B,Hochhut B,Leipold K,Dobrindt U,Blum-Oehler G,Hacker J

更新日期：2004-05-01 00:00:00

abstract：:Two related killer strains of Saccharomyces cerevisiae were mutagenized and screened for nonkiller variants. About 20% of the mutants derived from one strain lacked all detectable double-straned ribonucleic acid (dsRNA). About 70% of the mutants from the other strain lacked one of the dsRNA species normally associated...

journal_title：Journal of bacteriology

authors： Vodkin M

更新日期：1977-10-01 00:00:00

abstract：:Phosphatidylglycerol, the most abundant acidic phospholipid in Escherichia coli, is considered to play specific roles in various cellular processes that are essential for cell viability. A null mutation of pgsA, which encodes phosphatidylglycerophosphate synthase, does indeed confer lethality. However, pgsA null mutan...

journal_title：Journal of bacteriology

authors： Suzuki M,Hara H,Matsumoto K

更新日期：2002-10-01 00:00:00

abstract：:The ability of different metal ions to promote transformation of Pseudomonas aeruginosa by deoxyribonucleic acid of the plasmid RP1 was examined. CaCl2, MgCl2, and MnCl2 were found to promote such transformation, although at different frequencies and with the optimum response at different concentrations. Only MgCl2 pr...

journal_title：Journal of bacteriology

authors： Mercer AA,Loutit JS

更新日期：1979-10-01 00:00:00

abstract：:A strain of Bacillus subtilis, UVSSP-42-1, which produces ultraviolet (UV)-sensitive spores and vegetative cells, was found to possess germinated spores 25 times more UV resistant than the resting spores. This relative resistance achieved upon germination was associated with the transition of the heat-resistant refrac...

journal_title：Journal of bacteriology

authors： Munakata N

更新日期：1974-10-01 00:00:00

abstract：:The biological activities of Bacillus subtilis ribosomes pretreated with 0.5, 1, or 2 mmp-chloromercuribenzoate (PCMB) were examined. The ribosomes treated with 1 or 2 mm PCMB lost their capacity to synthesize polyphenylalanine as well as the capacity to bind phenylalanyl-transfer ribonucleic acid. On the other hand, ...

journal_title：Journal of bacteriology

authors： Ranu RS,Kaji A

更新日期：1972-10-01 00:00:00

abstract：:spo0A and spo0H are needed for the initiation of sporulation and for the development of genetic competence in Bacillus subtilis. Transcription of spo0A initiates from two promoters, Pv and Ps. Pv is active during vegetative growth and is recognized by RNA polymerase containing sigma A. Expression from Ps increases dur...

journal_title：Journal of bacteriology

authors： Siranosian KJ,Grossman AD

更新日期：1994-06-01 00:00:00

abstract：:The Tol-Pal system of Escherichia coli is involved in maintaining outer membrane stability. Mutations in tolQ, tolR, tolA, tolB, or pal genes result in sensitivity to bile salts and the leakage of periplasmic proteins. Moreover, some of the tol genes are necessary for the entry of group A colicins and the DNA of filam...

journal_title：Journal of bacteriology

authors： Ray MC,Germon P,Vianney A,Portalier R,Lazzaroni JC

更新日期：2000-02-01 00:00:00

abstract：:Adler, H. E. (University of California, Davis), M. Shifrine, and Herrad Ortmayer. Mycoplasma inocuum sp. n., a saprophyte from chickens. J. Bacteriol. 82:239-240. 1961.-A new species of Mycoplasma was isolated from the infraorbital sinuses of chickens. The organism, a saprophyte, differs from all known mycoplasmas of ...

journal_title：Journal of bacteriology

authors： ADLER HE,SHIFRINE M,ORTMAYER H

更新日期：1961-08-01 00:00:00

abstract：:Antibody in hyperimmune rabbit antisera specific for Staphylococcus aureus teichoic acid was shown to be associated with the IgM fraction. Treatment of such sera with mercaptoethanol destroyed its activity in passive mouse protection tests, whereas absorption with antirabbit IgG had no effect. Antibody response in nor...

journal_title：Journal of bacteriology

authors： Yoshida K,Ekstedt RD

更新日期：1968-11-01 00:00:00

abstract：:The gene encoding sigmaD, sigD, is transcribed from two promoter regions, the fla/che promoter region in front of the fla/che operon and PsigD directly in front of sigD. If sigmaD is translated from transcripts originating from PsigD, the cell is unable to express motility functions but synthesizes autolysins. Therefo...

journal_title：Journal of bacteriology

authors： Yang DH,von Kalckreuth J,Allmansberger R

更新日期：1999-05-01 00:00:00