Agrobacterium tumefaciens virulence locus pscA is related to the Rhizobium meliloti exoC locus.

abstract：:Vegetative cells and cysts of Azotobacter vinelandii 12837 were prepared for electron microscopy by several methods assumed to preserve structural details destroyed by techniques previously reported in the literature. Examination of large numbers of cells and cysts by these methods revealed four structural details not...

journal_title：Journal of bacteriology

authors： Vela GR,Cagle GD,Holmgren PR

更新日期：1970-11-01 00:00:00

abstract：:The minimal origin of replication of the broad-host-range plasmid RK2 has two potential recognition sequences for the DnaA protein of Escherichia coli. DNA transfer by transformation into a dnaA-null mutant of E. coli showed that DnaA protein is needed for replication or maintenance of mini-RK2. We isolated and purifi...

journal_title：Journal of bacteriology

authors： Gaylo PJ,Turjman N,Bastia D

更新日期：1987-10-01 00:00:00

abstract：:Sulfhydryl oxidants and stabilizers caused changes demonstrating the sulfhydryl content of beta-galactosidase for Streptococcus lactis 7962. Ammonium sulfate (0.85 m) rendered the enzyme insensitive to the oxidants. Titrations revealed 11.5 moles of sulfhydryl per mole of enzyme. ...

journal_title：Journal of bacteriology

authors： McFeters GA,Sandine WE,Elliker PR

更新日期：1971-10-01 00:00:00

abstract：:We constructed mercury resistance operon-luciferase (mer-lux) transcriptional fusion plasmids to evaluate in vivo gene expression rates of the mer structural gene promoter (PTPCAD) of transposon Tn21. In vivo gene expression kinetics corresponded well with those previously determined in vitro, yielding an apparent K0....

journal_title：Journal of bacteriology

authors： Condee CW,Summers AO

更新日期：1992-12-01 00:00:00

abstract：:Analysis of a Yersinia pestis Delta caf1A mutant demonstrated that the Caf1A usher is required for the assembly and secretion of the fraction 1 capsule. The capsule assembled into thin fibrils and denser aggregates on the bacterial surface. Pilus-like fibers were also detected on the surface of Y. pestis. The capsule ...

journal_title：Journal of bacteriology

authors： Runco LM,Myrczek S,Bliska JB,Thanassi DG

更新日期：2008-05-01 00:00:00

abstract：:Defective phage lambdadg, when present in certain Salmonella typhosa hybrids, could be eliminated with acridine orange or ethidium bromide treatment. The lambdadg deoxyribonucleic acid could be separated from the S. typhosa host deoxyribonucleic acid as a distinctly covalently closed molecule. ...

journal_title：Journal of bacteriology

authors： Falkow S,Baron LS

更新日期：1970-04-01 00:00:00

abstract：:Strain IMCC3088, cultivated from the Yellow Sea, is a novel isolate belonging to the OM60/NOR5 clade and is closely related to clone OM241, Congregibacter litoralis, and strain HTCC2080. Here, the genome sequence of strain IMCC3088 is presented, showing the absence of photosynthetic gene clusters and the presence of p...

journal_title：Journal of bacteriology

authors： Jang Y,Oh HM,Kang I,Lee K,Yang SJ,Cho JC

更新日期：2011-07-01 00:00:00

abstract：:Our previous work showed that pap pilin gene transcription is subject to a thermoregulatory control mechanism under which pap pilin is not transcribed at a low temperature (23 degrees C) (L. B. Blyn, B. A. Braaten, C. A. White-Ziegler, D. H. Rolfson, and D. A. Low, EMBO J. 8:613-620, 1989). In order to isolate genes i...

journal_title：Journal of bacteriology

authors： White-Ziegler CA,Low DA

更新日期：1992-11-01 00:00:00

abstract：:In Ralstonia eutropha H16, the nitric oxide (NO)-responsive transcriptional activator NorR controls the expression of a dicistronic operon that encodes a membrane-bound NO reductase, NorB, and a protein of unknown function, NorA. The N-terminal domain (NTD) of NorR is responsible for perception of the signal molecule,...

journal_title：Journal of bacteriology

authors： Klink A,Elsner B,Strube K,Cramm R

更新日期：2007-04-01 00:00:00

abstract：:Genetic exchange mechanisms, to our knowledge, have not been reported for Legionella pneumophila, and consequently, studies on the genetic organization of L. pneumophila have not appeared in the literature. Here, we describe gene transfer mediated by broad host range conjugative plasmids in Legionella spp. Escherichia...

journal_title：Journal of bacteriology

authors： Dreyfus LA,Iglewski BH

更新日期：1985-01-01 00:00:00

abstract：:Replication of the broad-host-range, IncPalpha plasmid RK2 requires two plasmid loci: trfA, the replication initiator gene, and oriV, the origin of replication. While these determinants are sufficient for replication in a wide variety of bacteria, they do not confer the stable maintenance of parental RK2 observed in i...

journal_title：Journal of bacteriology

authors： Rosche TM,Siddique A,Larsen MH,Figurski DH

更新日期：2000-11-01 00:00:00

abstract：:Escherichia coli possesses a soluble flavohemoglobin, with an unknown function, encoded by the hmp gene. A monolysogen containing an hmp-lacZ operon fusion was constructed to determine how the hmp promoter is regulated in response to heme ligands (O2, NO) or the presence of anaerobically utilized electron acceptors (n...

journal_title：Journal of bacteriology

authors： Poole RK,Anjum MF,Membrillo-Hernández J,Kim SO,Hughes MN,Stewart V

更新日期：1996-09-01 00:00:00

abstract：:Methanococcus aeolicus, Methanococcus maripaludis, and Methanococcus voltae contain similar levels of four enzymes of branched-chain amino acid biosynthesis: acetohydroxy acid synthase, acetohydroxy acid isomeroreductase, dihydroxy acid dehydratase, and transaminase B. Following growth at low partial pressures of H2-C...

journal_title：Journal of bacteriology

authors： Xing RY,Whitman WB

更新日期：1991-03-01 00:00:00

abstract：UNLABELLED:CbrA is an atypical sensor kinase found in Pseudomonas. The autokinase domain is connected to a putative transporter of the sodium/solute symporter family (SSSF). CbrA functions together with its cognate response regulator, CbrB, and plays an important role in nutrient acquisition, including regulation of hu...

journal_title：Journal of bacteriology

authors： Zhang XX,Gauntlett JC,Oldenburg DG,Cook GM,Rainey PB

更新日期：2015-09-01 00:00:00

abstract：:Haemophilus parasuis is a swine pathogen of significant industry concern, but little is known about how the organism causes disease. A related human pathogen, Haemophilus influenzae, has been better studied, and many of its virulence factors have been identified. Two of these, outer membrane proteins P2 and P5, are kn...

journal_title：Journal of bacteriology

authors： Mullins MA,Register KB,Bayles DO,Loving CL,Nicholson TL,Brockmeier SL,Dyer DW,Phillips GJ

更新日期：2009-10-01 00:00:00

abstract：UNLABELLED:Cell shape has been suggested to play an important role in the regulation of bacterial attachment to surfaces and the formation of communities associated with surfaces. We found that a cardiolipin synthase (Δcls) mutant of the rod-shaped bacterium Rhodobacter sphaeroides--in which synthesis of the anionic, h...

journal_title：Journal of bacteriology

authors： Lin TY,Santos TM,Kontur WS,Donohue TJ,Weibel DB

更新日期：2015-11-01 00:00:00

abstract：:The involvement of the recently characterized 5' exonuclease activity of RNase J1 and endonuclease activity of RNase Y in the turnover of ΔermC mRNA in Bacillus subtilis was investigated. Evidence is presented that both of these activities determine the half-life of ΔermC mRNA. ...

journal_title：Journal of bacteriology

authors： Yao S,Richards J,Belasco JG,Bechhofer DH

更新日期：2011-11-01 00:00:00

abstract：:Using mixed-species cultures, we have undertaken a study of interactions between two common spore-forming soil bacteria, Bacillus subtilis and Streptomyces coelicolor. Our experiments demonstrate that the development of aerial hyphae and spores by S. coelicolor is inhibited by surfactin, a lipopeptide surfactant produ...

journal_title：Journal of bacteriology

authors： Straight PD,Willey JM,Kolter R

更新日期：2006-07-01 00:00:00

abstract：:The complete nucleotide sequence of the linear plasmid pBD2 from Rhodococcus erythropolis BD2 comprises 210,205 bp. Sequence analyses of pBD2 revealed 212 putative open reading frames (ORFs), 97 of which had an annotatable function. These ORFs could be assigned to six functional groups: plasmid replication and mainten...

journal_title：Journal of bacteriology

authors： Stecker C,Johann A,Herzberg C,Averhoff B,Gottschalk G

更新日期：2003-09-01 00:00:00

abstract：:Controlled acetolysis of yeast mannans yields mixtures of oligosaccharides with (1-->2) and (1-->3) linkages between the mannose units, whereas the less stable (1-->6) linkages of the polysaccharide backbone are cleaved. The "fingerprints," obtained by gel filtration of the oligosaccharide mixtures, can be used to dis...

journal_title：Journal of bacteriology

authors： Kocourek J,Ballou CE

更新日期：1969-12-01 00:00:00

abstract：:In Aerobacter aerogenes, the mutational event permitting the utilization of d-arabinose as a source of carbon and energy is a regulatory mutation resulting in the constitutive synthesis of certain enzymes of the l-fucose catabolic pathway. l-Fucose isomerase catalyzes the isomerization of d-arabinose to d-ribulose. Th...

journal_title：Journal of bacteriology

authors： Oliver EJ,Mortlock RP

更新日期：1971-10-01 00:00:00

abstract：:The TetA(C) protein, encoded by the tetA(C) gene of plasmid pBR322, is a member of a family of membrane-bound proteins that mediate energy-dependent efflux of tetracycline from the bacterial cell. The tetA(C) gene was mutagenized with hydroxylamine, and missense mutations causing the loss of tetracycline resistance we...

journal_title：Journal of bacteriology

authors： McNicholas P,Chopra I,Rothstein DM

更新日期：1992-12-01 00:00:00

abstract：:Variations of the membrane filter technique for deoxyribonucleic acid (DNA) hybridizations were studied with respect to Streptomyces species. At the temperatures required for specific hybridization of DNA with the high melting temperature (T(m)) characteristic of Streptomyces, large amounts (up to 97%) of filter-bound...

journal_title：Journal of bacteriology

authors： Okanishi M,Gregory KF

更新日期：1970-12-01 00:00:00

abstract：:Sneathia amnii is a poorly characterized emerging pathogen that has been implicated in amnionitis and urethritis. We found that S. amnii damages fetal membranes, and we identified and purified a cytotoxic exotoxin that lyses human red blood cells and damages cells from fetal membranes. The gene appears to be cotranscr...

journal_title：Journal of bacteriology

authors： Gentile GL,Rupert AS,Carrasco LI,Garcia EM,Kumar NG,Walsh SW,Jefferson KK

更新日期：2020-06-09 00:00:00

abstract：:Sequences of the 16S ribosomal DNA (rDNA) from psychrotolerant and mesophilic strains of the Bacillus cereus group revealed signatures which were specific for these two thermal groups of bacteria. Further analysis of the genomic DNA from a wide range of food and soil isolates showed that B. cereus group strains have b...

journal_title：Journal of bacteriology

authors： Prüss BM,Francis KP,von Stetten F,Scherer S

更新日期：1999-04-01 00:00:00

abstract：:A population of Bacillus subtilis can be fractionated into at least two components on the basis of their buoyant densities on a Renografin gradient. In competent cultures, most, and perhaps all, of the competent bacteria appear in the lighter fraction which composes 2 to 10% of the bulk population. These "lighter" bac...

journal_title：Journal of bacteriology

authors： Cahn FH,Fox MS

更新日期：1968-03-01 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：:Phosphorylation of a major 57-kilodalton protein substrate was observed in cell lysates of Spiroplasma melliferum BC3 incubated with [gamma-32P]ATP. Only serine phosphates have been isolated from the acid hydrolysate of the phosphorylated protein. The 57-kilodalton protein substrate was found, to a large extent, in th...

journal_title：Journal of bacteriology

authors： Platt MW,Reizer J,Rottem S

更新日期：1990-05-01 00:00:00

abstract：UNLABELLED:Streptococcus pneumoniae is able to integrate exogenous DNA into its genome by natural genetic transformation. Transient accumulation of high levels of the only S. pneumoniae alternative σ factor is insufficient for development of full competence without expression of a second competence-specific protein, Co...

journal_title：Journal of bacteriology

authors： Tovpeko Y,Bai J,Morrison DA

更新日期：2016-08-11 00:00:00

abstract：:Seventeen strains of mycoplasmata representing 11 named species were compared serologically by three parameters: growth inhibition on agar, double immunodiffusion, and complement fixation. In growth-inhibition studies, a strain labeled Mycoplasma histotropicum was found related to and perhaps best classified as M. pul...

journal_title：Journal of bacteriology

authors： Kenny GE

更新日期：1969-06-01 00:00:00