The central domain of Rhizobium leguminosarum DctD functions independently to activate transcription.

abstract：:The skin represents an important barrier for pathogens and is known to produce fatty acids that are toxic toward gram-positive bacteria. A screen of fatty acids as growth inhibitors of Staphylococcus aureus revealed structure-specific antibacterial activity. Fatty acids like oleate (18:1Δ9) were nontoxic, whereas palm...

journal_title：Journal of bacteriology

authors： Parsons JB,Yao J,Frank MW,Jackson P,Rock CO

更新日期：2012-10-01 00:00:00

abstract：:The nifV and leuA genes, which encode homocitrate synthase and alpha-isopropylmalate synthase, respectively, were cloned from the filamentous cyanobacterium Anabaena sp. strain PCC 7120 by a PCR-based strategy. Since the N-terminal parts of NifV and LeuA from other bacteria are highly similar to each other, a single p...

journal_title：Journal of bacteriology

authors： Stricker O,Masepohl B,Klipp W,Böhme H

更新日期：1997-05-01 00:00:00

abstract：:Fox, Sidney W. (The Florida State University, Tallahassee) and Shuhei Yuyama. Effects of the Gram stain on microspheres from thermal polyamino acids. J. Bacteriol. 85:279-283. 1963.-Microspheres produced from acid proteinoid accept the Gram stain. The stain is negative, but microspheres produced from mixtures containi...

journal_title：Journal of bacteriology

authors： FOX SW,YUYAMA S

更新日期：1963-02-01 00:00:00

abstract：:Korormicin is an antibiotic produced by some pseudoalteromonads which selectively kills Gram-negative bacteria that express the Na+-pumping NADH:quinone oxidoreductase (Na+-NQR.) We show that although korormicin is an inhibitor of Na+-NQR, the antibiotic action is not a direct result of inhibiting enzyme activity. Ins...

journal_title：Journal of bacteriology

authors： Maynard A,Butler NL,Ito T,da Silva AJ,Murai M,Chen T,Koffas MAG,Miyoshi H,Barquera B

更新日期：2019-05-08 00:00:00

abstract：:The glycan chains in peptidoglycan or murein are cross-linked by transpeptidation of the peptide side chains. To assess the fraction of side chains involved in cross-bridges, distinction has been made between cross-linkage and cross-linking. The first expression refers to the situation in unlabeled (or fully labeled) ...

journal_title：Journal of bacteriology

authors： Driehuis F,de Jonge B,Nanninga N

更新日期：1992-03-01 00:00:00

abstract：:Enrichment for nonhydrophobic mutants of Serratia marcescens yielded two types: (i) a nonpigmented mutant which exhibited partial hydrophobic characteristics compared with the wild type, as determined by adherence to hexadecane and polystyrene; and (ii) a pigmented, nonhydrophobic mutant whose colonies were translucen...

journal_title：Journal of bacteriology

authors： Rosenberg M

更新日期：1984-10-01 00:00:00

abstract：:Pseudomonas aeruginosa hemolytic phospholipase C (PlcH) degrades phosphatidylcholine (PC), an abundant lipid in cell membranes and lung surfactant. A ΔplcHR mutant, known to be defective in virulence in animal models, was less able to colonize epithelial cell monolayers and was defective in biofilm formation on plasti...

journal_title：Journal of bacteriology

authors： Jackson AA,Gross MJ,Daniels EF,Hampton TH,Hammond JH,Vallet-Gely I,Dove SL,Stanton BA,Hogan DA

更新日期：2013-07-01 00:00:00

abstract：:The relationship between specific growth rate of Escherichia coli and the concentration of limiting nutrient (glucose or phosphate or tryptophan) has been determined for populations in a steady state. At high concentrations the specific growth rate is independent of the concentration of nutrient, but at low concentrat...

journal_title：Journal of bacteriology

authors： Shehata TE,Marr AG

更新日期：1971-07-01 00:00:00

abstract：:The first step in the transfer of the Bacteroides conjugative transposon CTnDOT is excision of the integrated element from the chromosome to form a circular transfer intermediate. Excision occurs only after the bacteria are exposed to tetracycline. Previously, four excision genes were identified. One was the integrase...

journal_title：Journal of bacteriology

authors： Moon K,Shoemaker NB,Gardner JF,Salyers AA

更新日期：2005-08-01 00:00:00

abstract：:The mechanism for the extrusion of Na+ from Mycoplasma gallisepticum cells was examined. Na+ efflux from cells was studied by diluting 22Na+-loaded cells into an isoosmotic NaCl solution and measuring the residual 22Na+ in the cells. Uphill 22Na+ efflux was found to be glucose dependent and linear with time over a 60-...

journal_title：Journal of bacteriology

authors： Shirvan MH,Schuldiner S,Rottem S

更新日期：1989-08-01 00:00:00

abstract：:In order to assess the roles of specific amino acid residues in the delta 5-3-ketosteroid isomerase from Pseudomonas putida biotype B during catalysis, we replaced aspartic acid 40 with asparagine (D40N) and tyrosine 16 with phenylalanine (Y16F) in the enzyme by site-directed mutagenesis. Both purified mutant enzymes ...

journal_title：Journal of bacteriology

authors： Kim SW,Choi KY

更新日期：1995-05-01 00:00:00

abstract：:XbaI digestion and pulsed-field gel electrophoresis of the genome of Salmonella typhimurium LT2 yields 24 fragments: 23 fragments (total size, 4,807 kb) are from the chromosome, and one fragment (90 kb) is from the virulence plasmid pSLT. Some of the 23 fragments from the chromosome were located on the linkage map by ...

journal_title：Journal of bacteriology

authors： Liu SL,Sanderson KE

更新日期：1992-03-01 00:00:00

abstract：:A DNA probe from an internal fragment of the exotoxin A structural gene was used to study the effects of selected culture conditions on steady-state levels of exotoxin-specific mRNA in Pseudomonas aeruginosa. Cells grown under conditions of iron deprivation began to synthesize and excrete the exotoxin A polypeptide du...

journal_title：Journal of bacteriology

authors： Lory S

更新日期：1986-12-01 00:00:00

abstract：:In Escherichia coli, the cytoplasmic proteins MreB and FtsZ play crucial roles in ensuring that new muropeptide subunits are inserted into the cell wall in a spatially correct way during elongation and division. In particular, to retain a constant diameter and overall shape, new material must be inserted into the wall...

journal_title：Journal of bacteriology

authors： Varma A,Young KD

更新日期：2009-06-01 00:00:00

abstract：:Spectinomycin dependence in Bacillus subtilis involves two mutations, one conferring drug resistance and the other producing a requirement for spectinomycin for growth. ...

journal_title：Journal of bacteriology

authors： Henkin TM,Campbell KM,Chambliss GH

更新日期：1979-03-01 00:00:00

abstract：:Three floc-forming, gram-negative, polarly flagellated rods were isolated and characterized. Our isolates were compared to four similar floc-forming organisms previously isolated in another laboratory and classified as two species of Zoogloea, one of Pseudomonas, and as one unidentified gram-negative rod. Possession o...

journal_title：Journal of bacteriology

authors： Friedman BA,Dugan PR

更新日期：1968-05-01 00:00:00

abstract：:In Escherichia coli anaerobic growth lowers the basal or induced levels of numerous enzymes associated with aerobic metabolism. Mutations in arcA (dye) at min 0 relieve this pleiotropic anaerobic repression and render the cell sensitive to the redox dye toluidine blue. In this study we identified a second pleiotropic ...

journal_title：Journal of bacteriology

authors： Iuchi S,Cameron DC,Lin EC

更新日期：1989-02-01 00:00:00

abstract：:The presence of phospho-beta-glucosidases and beta-glucoside permeases was found in strains of Streptococcus, Bacillus, and Staphylococcus. In streptococci, the phospho-beta-glucosidase activity depends on the antigenic group. The highest activity was found in strains of group D. In group D strains, phospho-beta-gluco...

journal_title：Journal of bacteriology

authors： Schaefler S,Malamy A,Green I

更新日期：1969-08-01 00:00:00

abstract：:Streptococcus agalactiae is a primary cause of neonatal morbidity and mortality. Essential to the virulence of this pathogen is the production of a type-specific capsular polysaccharide (CPS) that enables the bacteria to evade host immune defenses. The identification, cloning, sequencing, and functional characterizati...

journal_title：Journal of bacteriology

authors： Chaffin DO,Beres SB,Yim HH,Rubens CE

更新日期：2000-08-01 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

abstract：:Mycobacterium tuberculosis has a clonal population structure, and the Latin American-Mediterranean (LAM) family is one of the largest and most widespread within this species, showing evidence for remarkable pathobiology and a confusing phylogeny. Here, we applied robust phylogenetic markers to study the evolution of t...

journal_title：Journal of bacteriology

authors： Mokrousov I,Vyazovaya A,Narvskaya O

更新日期：2014-05-01 00:00:00

abstract：:Two nonconjugative R-plasmids, N-SuSm and N-Tc, have been characterized. Both were of relatively small size (5 x 10(6) to 6 x 10(6) daltons) and present in multiple copies within their respective bacterial hosts. N-SuSm possessed a guanine plus cytosine content of 55%, whereas N-Tc was 49% guanine plus cytosine. Altho...

journal_title：Journal of bacteriology

authors： Guerry P,van Embden J,Falkow S

更新日期：1974-02-01 00:00:00

abstract：:Orf20 of the conjugative transposon Tn916 was purified as a chimeric protein fused to maltose binding protein (MBP-Orf20). The chimeric protein possessed endonucleolytic activity, cleaving both strands of the Tn916 origin of conjugal transfer (oriT) at several distinct sites and favoring GT dinucleotides. Incubation o...

journal_title：Journal of bacteriology

authors： Rocco JM,Churchward G

更新日期：2006-03-01 00:00:00

abstract：:The parDE operon, located within the 3.2-kb stabilization region of plasmid RK2, encodes antitoxin (ParD) and toxin (ParE) proteins that stabilize the maintenance of this broad-host-range plasmid via a postsegregational killing mechanism. A ParE protein derivative, designated ParE', was purified by construction of a f...

journal_title：Journal of bacteriology

authors： Johnson EP,Strom AR,Helinski DR

更新日期：1996-03-01 00:00:00

abstract：:Two inhibitors of replicative deoxyribonucleic acid (DNA) synthesis, nalidixic acid (NAL) and 6-(p-hydroxyphenylazo)-uracil (HPUra), showed different effects on genetic recombination and DNA repair in Bacillus subtilis. Previous work (Pedrini et al., 1972) showed that NAL does not interfere with the transformation pro...

journal_title：Journal of bacteriology

authors： Canosi U,Siccardi AG,Falaschi A,Mazza G

更新日期：1976-04-01 00:00:00

abstract：:Picolinic acid (PA), a typical C-2-carboxylated pyridine derivative, is a metabolite of l-tryptophan and many other aromatic compounds in mammalian and microbial cells. Microorganisms can degrade and utilize PA for growth. However, the precise mechanism of PA metabolism remains unknown. Alcaligenes faecalis strain JQ1...

journal_title：Journal of bacteriology

authors： Qiu J,Zhang Y,Yao S,Ren H,Qian M,Hong Q,Lu Z,He J

更新日期：2019-03-13 00:00:00

abstract：:Genetic studies have shown that the 53-kDa (Exo53) and 49-kDa (ExoS) forms of exoenzyme S of Pseudomonas aeruginosa are encoded by separate genes, termed exoT and exoS, respectively. Although ExoS and Exo53 possess 76% primary amino acid homology, Exo53 has been shown to express ADP-ribosyltransferase activity at abou...

journal_title：Journal of bacteriology

authors： Liu S,Yahr TL,Frank DW,Barbieri JT

更新日期：1997-03-01 00:00:00

abstract：:The TOL plasmid originally isolated in Pseudomonas putida (arvilla) mt-2 was transmissible to strains of the fluorescens group of Pseudomonas, i.e., P. putida, P. fluorescens, and P. aeruginosa, except for a strain of P. aeruginosa, strain PAO. The same strain, however, could accept the plasmid when its restriction an...

journal_title：Journal of bacteriology

authors： Nakazawa T

更新日期：1978-02-01 00:00:00

abstract：:Fundamental questions in bacterial gene regulation concern how multiple regulatory proteins interact with the transcription apparatus at a single promoter and what are the roles of protein contacts with RNA polymerase and changes in DNA conformation. Transcription of the Escherichia coli uhpT gene, encoding the induci...

journal_title：Journal of bacteriology

authors： Olekhnovich IN,Kadner RJ

更新日期：1999-12-01 00:00:00

abstract：:The extent of change in cytoplasmic proteins which accompanies yeast-to-mycelium morphogenesis of Candida albicans was analyzed by two-dimensional gel electrophoresis. Pure cultures of yeasts and true hyphae (i.e., without concomitant production of pseudohyphae) were grown in a synthetic low-sulfate medium. The two st...

journal_title：Journal of bacteriology

authors： Manning M,Mitchell TG

更新日期：1980-10-01 00:00:00