Identification of two quorum-sensing systems in Sinorhizobium meliloti.

abstract：:A method for polyethylene glycol-induced protoplast transformation of glutamate-producing bacteria with plasmid DNA was established. Protoplasts were prepared from cells grown in the presence of penicillin by treatment with lysozyme in a hypertonic medium. The concentration of penicillin during growth affected the eff...

journal_title：Journal of bacteriology

authors： Katsumata R,Ozaki A,Oka T,Furuya A

更新日期：1984-07-01 00:00:00

abstract：:The phylum Bacteroidetes is large and diverse, with rapid gliding motility and the ability to digest macromolecules associated with many genera and species. Recently, a novel protein secretion system, the Por secretion system (PorSS), was identified in two members of the phylum, the gliding bacterium Flavobacterium jo...

journal_title：Journal of bacteriology

authors： McBride MJ,Zhu Y

更新日期：2013-01-01 00:00:00

abstract：:The ultrastructure of seven Thiobacillus species was studied. The structure of their cell envelopes is similar, if not identical, to that found in other gram-negative bacteria. Obvious differences were noted in the middle layer of the cell envelope of the seven cultures. Polyhedral inclusion bodies were apparent in fo...

journal_title：Journal of bacteriology

authors： Shively JM,Decker GL,Greenawalt JW

更新日期：1970-02-01 00:00:00

abstract：:Chromosomal DNAs from exponential-phase and competent cells of Haemophilus influenzae were examined by electron microscopy to determine whether the chromosome undergoes structural changes during competence development. Single-stranded gaps and single-stranded tails formed in chromosomal DNA during competence developme...

journal_title：Journal of bacteriology

authors： McCarthy D,Kupfer DM

更新日期：1987-02-01 00:00:00

abstract：:Cystic fibrosis (CF) patients are highly susceptible to chronic pulmonary disease caused by mucoid Pseudomonas aeruginosa strains that overproduce the exopolysaccharide alginate. We showed here that a mutation in zwf, encoding glucose-6-phosphate dehydrogenase (G6PDH), leads to a approximately 90% reduction in alginat...

journal_title：Journal of bacteriology

authors： Silo-Suh L,Suh SJ,Phibbs PV,Ohman DE

更新日期：2005-11-01 00:00:00

abstract：:In Klebsiella pneumoniae, products of the nitrogen fixation nifLA operon regulate transcription of the other nif operons. NifA activates transcription by sigma54-holoenzyme. In vivo, NifL antagonizes the action of NifA under aerobic conditions or in the presence of combined nitrogen. In contrast to a previous report, ...

journal_title：Journal of bacteriology

authors： Schmitz RA,He L,Kustu S

更新日期：1996-08-01 00:00:00

abstract：:L. Sibold, M. Henriquet, O. Possot, and J.-P. Aubert (Res. Microbiol. 142:5-12, 1991) cloned and sequenced two nifH-homologous open reading frames (ORFs) from Methanosarcina barkeri 227. Phylogenetic analysis of the deduced amino acid sequences of the nifH ORFs from M. barkeri showed that nifH1 clusters with nifH gene...

journal_title：Journal of bacteriology

authors： Chien YT,Zinder SH

更新日期：1994-11-01 00:00:00

abstract：:Remsen, C. C. (Syracuse University, Syracuse, N.Y.), D. G. Lundgren, and R. A. Slepecky. Inhibition of the development of the spore septum and membranes in Bacillus cereus by beta-phenethyl alcohol. J. Bacteriol. 91:324-331. 1966.-The effect of phenethyl alcohol (PEA) upon the initial stages of sporulation in Bacillus...

journal_title：Journal of bacteriology

authors： Remsen CC,Lundgren DG,Slepecky RA

更新日期：1966-01-01 00:00:00

abstract：:The fumarate reductase enzyme complex allows Escherichia coli to grow anaerobically with fumarate as a terminal electron acceptor for oxidative phosphorylation when the preferred compounds oxygen and nitrate are not available. We used the pKO promoter test vectors to identify a single promoter for the frdABCD genes wh...

journal_title：Journal of bacteriology

authors： Jones HM,Gunsalus RP

更新日期：1985-12-01 00:00:00

abstract：:The last step in proline biosynthesis in Escherichia coli K-12, Salmonella typhimurium LT7, and a number of other enterobacterial isolates is regulated so that no proline is excreted, even if excess Delta(1)-pyrroline-5-carboxylate, the immediate precursor of proline, is added to a culture. In proline auxotrophs block...

journal_title：Journal of bacteriology

authors： Berg CM,Rossi JJ

更新日期：1974-06-01 00:00:00

abstract：:The ability to respond to ambient pH is critical to the growth and virulence of the fungal pathogen Candida albicans. This response entails the differential expression of several genes affecting morphogenesis. To investigate the mechanism of pH-dependent gene expression, the C. albicans homolog of pacC, designated PRR...

journal_title：Journal of bacteriology

authors： Ramon AM,Porta A,Fonzi WA

更新日期：1999-12-01 00:00:00

abstract：:Manganese is accumulated in Bacillus subtilis by a highly specific active transport system. This trace element "pump" is insensitive to added magnesium or calcium and preferentially accumulates manganese in the presence of cobalt, iron, and copper. Manganese uptake in B. subtilis is inhibited by cyanide, azide, pentac...

journal_title：Journal of bacteriology

authors： Eisenstadt E,Fisher S,Der CL,Silver S

更新日期：1973-03-01 00:00:00

abstract：:The Saccharomyces cerevisiae HIS7 gene was cloned by its location immediately downstream of the previously isolated and characterized ARO4 gene. The two genes have the same orientation with a distance of only 416 bp between the two open reading frames. The yeast HIS7 gene represents the first isolated eukaryotic gene ...

journal_title：Journal of bacteriology

authors： Kuenzler M,Balmelli T,Egli CM,Paravicini G,Braus GH

更新日期：1993-09-01 00:00:00

abstract：:The properties of the anthranilate synthetase complex and its separated subunits were compared in catalyzing the anthranilate synthetase reaction, chorismate + l-glutamine or NH(4) (+) --> anthranilate, and the transferase reaction, anthranilate + 5'-phosphorylribosyl-1-pyrophosphate --> phosphoribosyl anthranilate. I...

journal_title：Journal of bacteriology

authors： Ito J,Yanofsky C

更新日期：1969-02-01 00:00:00

abstract：:The essential function of penicillin-binding protein 2 (PBP2) in methicillin-susceptible Staphylococcus aureus RN4220 was clearly established by placing the pbp2 gene under control of the inducible P(spac) promoter; the resulting bacteria were unable to grow in the absence of inducer. In contrast, the deficit in PBP2 ...

journal_title：Journal of bacteriology

authors： Pinho MG,Filipe SR,de Lencastre H,Tomasz A

更新日期：2001-11-01 00:00:00

abstract：:The radB101 and recN262 mutations showed essentially identical phenotypes when compared in isogenic Escherichia coli strains for their effects on gamma and UV radiation survival and on conjugal recombination in a uvrA recB recC sbcB sbcC strain. Complementation tests involving attempts to reconstitute a radB+ recN+ st...

journal_title：Journal of bacteriology

authors： Sargentini NJ,Smith KC

更新日期：1988-05-01 00:00:00

abstract：:Geobacter sulfurreducens RpoS sigma factor was shown to contribute to survival in stationary phase and upon oxygen exposure. Furthermore, a mutation in rpoS decreased the rate of reduction of insoluble Fe(III) but not of soluble forms of iron. This study suggests that RpoS plays a role in regulating metabolism of Geob...

journal_title：Journal of bacteriology

authors： Núñez C,Adams L,Childers S,Lovley DR

更新日期：2004-08-01 00:00:00

abstract：:The ubiquitous opportunistic pathogen Pseudomonas aeruginosa has five aerobic terminal oxidases: bo(3)-type quinol oxidase (Cyo), cyanide-insensitive oxidase (CIO), aa3-type cytochrome c oxidase (aa3), and two cbb(3)-type cytochrome c oxidases (cbb(3)-1and cbb(3)-2). These terminal oxidases are differentially regulate...

journal_title：Journal of bacteriology

authors： Arai H,Kawakami T,Osamura T,Hirai T,Sakai Y,Ishii M

更新日期：2014-12-01 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：:From several presumably pure cultures of Thiobacillus ferrooxidans, we isolated a pair of stable phenotypes. One was a strict autotroph utilizing sulfur or ferrous iron as the energy source and unable to utilize glucose; the other phenotype was an acidophilic obligate heterotroph capable of utilizing glucose but not s...

journal_title：Journal of bacteriology

authors： Harrison AP Jr,Jarvis BW,Johnson JL

更新日期：1980-07-01 00:00:00

abstract：:Freeze-etching was applied to preparations, with and without glycerol, of Acinetobacter sp. strain MJT/F5/199A, consisting of intact cells after normal growth or after incubation with chloramphenicol, spheroplasts, and isolated cell walls and outer membranes. Etched preparations show that a regular array of subunits f...

journal_title：Journal of bacteriology

authors： Sleytr UB,Thornley MJ

更新日期：1973-12-01 00:00:00

abstract：:The sugar composition of lipopolysaccharide (LPS) isolated from whole cells of Alteromonas haloplanktis 214 (previously referred to as marine pseudomonas B-16, ATCC 19855), variant 3, of the lipid A, core, and side-chain fractions derived from it, and of the LPS fractions (LPS I, II, and III) obtained by subjecting it...

journal_title：Journal of bacteriology

authors： DiRienzo JM,MacLeod RA

更新日期：1978-10-01 00:00:00

abstract：:The yeast-phase cell cycle of Wangiella dermatitidis was studied using flow microfluorimetry and the deoxyribonucleic acid (DNA) synthesis inhibitor hydroxyurea (HU). Exposure of exponential-phase yeastlike cells to 0.1 M HU for 3 to 6 h resulted in the arrest of the cells in DNA synthesis and produced a nearly homoge...

journal_title：Journal of bacteriology

authors： Roberts RL,Szaniszlo PJ

更新日期：1980-11-01 00:00:00

abstract：:Rohlfing, S. R. (Western Reserve University, Cleveland, Ohio), and I. P. Crawford. Purification and characterization of the beta-galactosidase of Aeromonas formicans. J. Bacteriol. 91:1085-1097. 1966.-The beta-galactosidase of Aeromonas formicans was purified by diethylaminoethyl cellulose chromatography and gel filtr...

journal_title：Journal of bacteriology

authors： Rohlfing SR,Crawford IP

更新日期：1966-03-01 00:00:00

abstract：:The location and extent of the homology between plasmids ColE1 and p15A were determined by analysis of heteroduplexes formed between them as well as with a related plasmid, pBR322, and by hybridization of radioactive deoxyribonucleic acids to restriction fragments of p15A and ColE1. The homology between the plasmids c...

journal_title：Journal of bacteriology

authors： Bird RE

更新日期：1981-03-01 00:00:00

abstract：:The mechanisms by which Legionella pneumophila, a facultative intracellular parasite and the agent of Legionnaires' disease, acquires iron are largely unexplained. Several earlier studies indicated that L. pneumophila does not elaborate siderophores. However, we now present evidence that supernatants from L. pneumophi...

journal_title：Journal of bacteriology

authors： Liles MR,Scheel TA,Cianciotto NP

更新日期：2000-02-01 00:00:00

abstract：:Firshein, W. (Wesleyan University, Middletown, Conn.). Effects of deoxyribonucleic acid products on deoxyribonucleic acid synthesis of virulent and avirulent pneumococci. J. Bacteriol. 82:169-180. 1961.-Cell suspensions of virulent pneumococci synthesize a greater amount of deoxyribonucleic acid (DNA) per cell in the ...

journal_title：Journal of bacteriology

authors： FIRSHEIN W

更新日期：1961-08-01 00:00:00

abstract：:The major cold shock protein of Escherichia coli, CS7.4, is produced at a level of 13% of total protein synthesis upon a temperature shift from 37 to 10 degrees C. The transcription of its gene (cspA) was found to be tightly regulated and induced only at low temperature. In addition, the cspA mRNA was extremely unstab...

journal_title：Journal of bacteriology

authors： Tanabe H,Goldstein J,Yang M,Inouye M

更新日期：1992-06-01 00:00:00

abstract：:lac operon fusions to DNA damage-inducible (din) loci were generated in Salmonella typhimurium LT2. Many of these din fusions were efficiently repressed by cloned Escherichia coli LexA, while others were not; all required RecA for induction. Several din fusions exhibited strong inducibility and will be useful in devel...

journal_title：Journal of bacteriology

authors： Smith CM,Arany Z,Orrego C,Eisenstadt E

更新日期：1991-06-01 00:00:00

abstract：UNLABELLED:The ubiquitous bacterial second messenger cyclic di-GMP (c-di-GMP) has recently become prominent as a trigger for biofilm formation in many bacteria. It is generated by diguanylate cyclases (DGCs; with GGDEF domains) and degraded by specific phosphodiesterases (PDEs; containing either EAL or HD-GYP domains)....

journal_title：Journal of bacteriology

authors： Povolotsky TL,Hengge R

更新日期：2015-08-24 00:00:00