Production and release of peptidoglycan and wall teichoic acid polymers in pneumococci treated with beta-lactam antibiotics.

abstract：:ATP sulfurylase is a key enzyme in the energy-generating sulfur oxidation pathways of many chemoautotrophic bacteria. The utilization of reduced sulfur compounds to fuel CO2 fixation by the still-uncultured bacterial endosymbionts provides the basis of nutrition in invertebrates, such as the tubeworm Riftia pachyptila...

journal_title：Journal of bacteriology

authors： Laue BE,Nelson DC

更新日期：1994-06-01 00:00:00

abstract：:Caulobacter crescentus initiates a single round of DNA replication during each cell cycle. Following the initiation of DNA replication, the essential CckA histidine kinase is activated by phosphorylation, which (via the ChpT phosphotransferase) enables the phosphorylation and activation of the CtrA global regulator. C...

journal_title：Journal of bacteriology

authors： Iniesta AA,Hillson NJ,Shapiro L

更新日期：2010-08-01 00:00:00

abstract：:The Azorhizobium nifA promoter (PnifA) is positively regulated by two physiological signal transduction pathways, NtrBC, which signals anabolic N status, and FixLJK, which signals prevailing O2 status. Yet, PnifA response (gene product per unit time) to these two activating signals together is more than twice that of ...

journal_title：Journal of bacteriology

authors： Loroch AI,Nguyen BG,Ludwig RA

更新日期：1995-12-01 00:00:00

abstract：:The nitrogenase proteins from eight organisms have been highly purified, and a survey of their cross-reactions shows that the nitrogenase proteins from a wide variety of organisms can interact with one another. An active cross-reaction is the complementary functioning of the MoFe protein and the Fe protein from differ...

journal_title：Journal of bacteriology

authors： Emerich DW,Burris RH

更新日期：1978-06-01 00:00:00

abstract：:Branching enzyme (BE) catalyzes formation of the branch points in glycogen and amylopectin by cleavage of the alpha-1,4 linkage and its subsequent transfer to the alpha-1,6 position. We have identified a novel BE encoded by an uncharacterized open reading frame (TK1436) of the hyperthermophilic archaeon Thermococcus k...

journal_title：Journal of bacteriology

authors： Murakami T,Kanai T,Takata H,Kuriki T,Imanaka T

更新日期：2006-08-01 00:00:00

abstract：:The blp locus of a type 6A strain of Streptococcus pneumoniae encodes a two-peptide bacteriocin, pneumocin MN, which mediates intraspecies competition during mouse nasopharyngeal colonization. This locus is regulated by a quorum-sensing mechanism consisting of a dedicated two-component regulatory system and a peptide ...

journal_title：Journal of bacteriology

authors： Dawid S,Sebert ME,Weiser JN

更新日期：2009-03-01 00:00:00

abstract：:ibeA is a virulence factor found in some extraintestinal pathogenic Escherichia coli (ExPEC) strains from the B2 phylogenetic group and particularly in newborn meningitic and avian pathogenic strains. It was shown to be involved in the invasion process of the newborn meningitic strain RS218. In a previous work, we sho...

journal_title：Journal of bacteriology

authors： Fléchard M,Cortes MA,Répérant M,Germon P

更新日期：2012-09-01 00:00:00

abstract：:NifA is the general transcriptional activator of nitrogen fixation genes in diazotrophic bacteria. In Rhizobium leguminosarum bv. viciae UPM791, the nifA gene is part of a gene cluster (orf71 orf79 fixW orf5 fixABCX nifAB) separated by 896 bp from an upstream and divergent truncated duplication of nifH (DeltanifH). Sy...

journal_title：Journal of bacteriology

authors： Martínez M,Palacios JM,Imperial J,Ruiz-Argüeso T

更新日期：2004-10-01 00:00:00

abstract：:In Mexico, actinomycetoma is mainly caused by Nocardia brasiliensis, which is a soil inhabitant actinobacterium. Here, we report for the first time the draft genome of a strain isolated from a human case that has largely been found in in vitro and experimental models of actinomycetoma, N. brasiliensis HUJEG-1. ...

journal_title：Journal of bacteriology

authors： Vera-Cabrera L,Ortiz-Lopez R,Elizondo-Gonzalez R,Perez-Maya AA,Ocampo-Candiani J

更新日期：2012-05-01 00:00:00

abstract：:The Escherichia coli F plasmid gene required for amino-terminal acetylation of F-pilin subunits was identified. Using Western blots (immunoblots), we assayed the reaction of monoclonal antibodies with F-pilin polypeptides in inner membrane preparations from various F mutant strains. It was known that JEL92 recognizes ...

journal_title：Journal of bacteriology

authors： Moore D,Hamilton CM,Maneewannakul K,Mintz Y,Frost LS,Ippen-Ihler K

更新日期：1993-03-01 00:00:00

abstract：:The antibiotic d-cycloserine is an effective inhibitor of alanine racemase. The lack of inhibition by l-cycloserine of alanine racemase from Staphylococcus aureus led Roze and Strominger to formulate the cycloserine hypothesis. This hypothesis states that d-cycloserine has the conformation required of the substrates o...

journal_title：Journal of bacteriology

authors： Lambert MP,Neuhaus FC

更新日期：1972-06-01 00:00:00

abstract：:On the basis of information available in the literature, gluconate dissimilation in Escherichia coli is thought to occur via the hexose monophosphate pathway. Evidence is presented in this study that gluconate is catabolized in this organism via an inducible Entner-Doudoroff pathway. This evidence is based on chromato...

journal_title：Journal of bacteriology

authors： Eisenberg RC,Dobrogosz WJ

更新日期：1967-03-01 00:00:00

abstract：:Pathways of mannitol biosynthesis and utilization in Aspergillus candidus NRRL 305 were studied in cell-free extracts of washed mycelia prepared by sonic and French pressure cell treatments. A nicotinamide adenine dinucleotide-linked mannitol-1-phosphate (M1P) dehydrogenase was found in French pressure cell extracts o...

journal_title：Journal of bacteriology

authors： Strandberg GW

更新日期：1969-03-01 00:00:00

abstract：:Nitrogenase is a functionally constant protein catalyzing N2 reduction, which is found in many phylogenetic lineages of Archaea and Bacteria. A phylogenetic analysis of nif genes may provide insights into the evolution of the bacterial genomes. Moreover, it may be used to study diazotrophic communities, when classical...

journal_title：Journal of bacteriology

authors： Hurek T,Egener T,Reinhold-Hurek B

更新日期：1997-07-01 00:00:00

abstract：:Grunberg, E. (Hoffman-La Roche, Inc., Nutley, N.J.), and R. Cleeland. Fluorescence and viability of Proteus mirabilis stained directly with fluorescein isothiocyanate. J. Bacteriol. 92:23-27. 1966.-Washed cell suspensions of Proteus mirabilis, under the proper conditions, stained well with fluorescein isothiocyanate w...

journal_title：Journal of bacteriology

authors： Grunberg E,Cleeland R

更新日期：1966-07-01 00:00:00

abstract：:The Saccharomyces cerevisiae gene MEC1 represents a structural homolog of the human gene ATM mutated in ataxia telangiectasia patients. Like human ataxia telangiectasia cell lines, mec1 mutants are defective in G2 and S-phase cell cycle checkpoints in response to radiation treatment. Here we show an additional defect ...

journal_title：Journal of bacteriology

authors： Siede W,Allen JB,Elledge SJ,Friedberg EC

更新日期：1996-10-01 00:00:00

abstract：:Wall turnover was studied in Bacillus subtilis. The loss of radioactively labeled wall polymers was followed during exponential growth in batch and chemostat cultures. Turnover kinetics were identical under all growth conditions; pulse-labeled wall material was lost with first-order kinetics, but only after exponentia...

journal_title：Journal of bacteriology

authors： De Boer WR,Kruyssen FJ,Wouters JT

更新日期：1981-01-01 00:00:00

abstract：:Using a quantitative assay for measuring chemotaxis, we tested a variety of sugars and sugar derivatives for their ability to attract Escherichia coli bacteria. The most effective attractants, i.e., those that have thresholds near 10(-5) M or below, are N-acetyl-d-glucosamine, 6-deoxy-d-glucose, d-fructose, d-fucose, ...

journal_title：Journal of bacteriology

authors： Adler J,Hazelbauer GL,Dahl MM

更新日期：1973-09-01 00:00:00

abstract：:Eleven conditional lethal dnaG(Ts) mutations were located by chemical cleavage of heteroduplexes formed between polymerase chain reaction-amplified DNAs from wild-type and mutant dnaG genes. This entailed end labeling one DNA strand of the heteroduplex, chemically modifying the strands with hydroxylamine or osmium tet...

journal_title：Journal of bacteriology

authors： Grompe M,Versalovic J,Koeuth T,Lupski JR

更新日期：1991-02-01 00:00:00

abstract：:Mutants of Escherichia coli K-12 unable to excise pyrimidine dimers from their deoxyribonucleic acid (DNA) because of a uvr mutation show a higher survival when plated on a minimal salts medium after exposure to ultraviolet radiation than when plated on a complex medium such as nutrient agar containing yeast extract. ...

journal_title：Journal of bacteriology

authors： Ganesan AK,Smith KC

更新日期：1970-05-01 00:00:00

abstract：:A comprehensive equation, upsilon = VM/[1 + (A0.5/Fru-P2)n] [ 1 + (Glc-6-P/I0.5)], has been proposed to represent the quantitative interrelationships between the rate of glucose utilization and the levels of glucose-6-phosphate and fructose-1,6-diphosphate in the intact Escherichia coli cell. This comprehensive equati...

journal_title：Journal of bacteriology

authors： Dietzler DN,Leckie MP,Crimmins DL,Ungar JM,Sternheim WL

更新日期：1976-10-01 00:00:00

abstract：:This study examined the catabolism of xanthone by an Arthrobacter sp. (strain GFB100) capable of growth on xanthone as its main source of carbon and energy. An early catabolic intermediate was 3,4-dihydroxyxanthone. This compound was isolated from the growth medium of a mutant strain of the Arthrobacter sp. which lack...

journal_title：Journal of bacteriology

authors： Tomasek PH,Crawford RL

更新日期：1986-09-01 00:00:00

abstract：:Morphogenesis of the filamentous bacteriophage f1 occurred at adhesion zones between the inner and outer membranes of the host cell. Quantitation of adhesion zones in cells infected with mutant phage strains suggested that the phage gene I protein may be involved in the formation of adhesion zones for phage assembly. ...

journal_title：Journal of bacteriology

authors： Lopez J,Webster RE

更新日期：1985-09-01 00:00:00

abstract：:A series of mutations causing alterations in ribosomal protein S21 was mapped close to dnaG, around 66.5 min on the Escherichia coli chromosomal linkage map. They cotransduced about 95% with this marker. These mutations define gene rpsU, which is very likely the structural gene for protein S21. ...

journal_title：Journal of bacteriology

authors： Dabbs ER

更新日期：1980-11-01 00:00:00

abstract：:A liquid chromatography-hybrid linear ion trap-Fourier transform ion cyclotron resonance mass spectrometry approach was used to determine the differential abundance of proteins in acetate-grown cells compared to that of proteins in methanol-grown cells of the marine isolate Methanosarcina acetivorans metabolically lab...

journal_title：Journal of bacteriology

authors： Li Q,Li L,Rejtar T,Lessner DJ,Karger BL,Ferry JG

更新日期：2006-01-01 00:00:00

abstract：:NBU1 is an integrated Bacteroides element that can he mobilized from Bacteroides donors to Bacteroides recipients. Previous studies have shown that a plasmid carrying the internal mobilization region of NBU1 could be transferred by conjugation from Bacteroides thetaiotaomicron to Escherichia coli. In this report, we s...

journal_title：Journal of bacteriology

authors： Shoemaker NB,Wang GR,Salyers AA

更新日期：1996-06-01 00:00:00

abstract：:The alpha-aminoadipate pathway for lysine biosynthesis is present only in fungi. The alpha-aminoadipate reductase (AAR) of this pathway catalyzes the conversion of alpha-aminoadipic acid to alpha-aminoadipic-delta-semialdehyde by a complex mechanism involving two gene products, Lys2p and Lys5p. The LYS2 and LYS5 genes...

journal_title：Journal of bacteriology

authors： Guo S,Evans SA,Wilkes MB,Bhattacharjee JK

更新日期：2001-12-01 00:00:00

abstract：:We provide experimental evidence for RNase III-dependent processing in helix 9 of the 23S rRNA as a general feature of many species in the alpha subclass of Proteobacteria (alpha-Proteobacteria). We investigated 12 Rhodobacter, Rhizobium, Sinorhizobium, Rhodopseudomonas, and Bartonella strains. The processed region is...

journal_title：Journal of bacteriology

authors： Evguenieva-Hackenberg E,Klug G

更新日期：2000-09-01 00:00:00

abstract：:Bacteria possess multiple mechanisms to survive exposure to various chemical stresses and antimicrobial compounds. In the enteric bacterium Escherichia coli, three homologous transcription factors-MarA, SoxS, and Rob-play a central role in coordinating this response. Three separate systems are known to regulate the ex...

journal_title：Journal of bacteriology

authors： Chubiz LM,Glekas GD,Rao CV

更新日期：2012-09-01 00:00:00

abstract：:The transforming activity of fractionated complementary strands of Diplococcus pneumoniae deoxyribonucleic acid (DNA) bands at the position of fully denatured DNA in CsCl at pH 11.0, and is completely (> 99.8%) destroyed by digestion with exonuclease-I. These results prove that pure single strands transform the normal...

journal_title：Journal of bacteriology

authors： Miao R,Guild WR

更新日期：1970-02-01 00:00:00