Effect of pH on the immunogenicity of Mycoplasma pneumoniae.

abstract：:Bacillus subtilis grows under anaerobic conditions utilizing nitrate ammonification and various fermentative processes. The two-component regulatory system ResDE and the redox regulator Fnr are the currently known parts of the regulatory system for anaerobic adaptation. Mutation of the open reading frame ywiD located ...

journal_title：Journal of bacteriology

authors： Marino M,Ramos HC,Hoffmann T,Glaser P,Jahn D

更新日期：2001-12-01 00:00:00

abstract：:The Escherichia coli cell division protein FtsQ is a central component of the divisome. FtsQ is a bitopic membrane protein with a large C-terminal periplasmic domain. In this work we investigated the role of the transmembrane segment (TMS) that anchors FtsQ in the cytoplasmic membrane. A set of TMS mutants was made an...

journal_title：Journal of bacteriology

authors： Scheffers DJ,Robichon C,Haan GJ,den Blaauwen T,Koningstein G,van Bloois E,Beckwith J,Luirink J

更新日期：2007-10-01 00:00:00

abstract：:A mutant of Escherichia coli K-12 was examined which has growth medium-dependent lysyl-transfer ribonucleic acid (tRNA) ligase activity. In minimal medium or 0.5% yeast extract, the activity of the enzyme in the mutant strain was 5 to 10% of wild type. However, when the mutant was grown in a highly enriched medium, su...

journal_title：Journal of bacteriology

authors： Hirshfield IN,Bukald NE

更新日期：1973-01-01 00:00:00

abstract：:The glycosyltransferase (GT) module of class A penicillin-binding proteins (PBPs) and monofunctional GTs (MGTs) belong to the GT51 family in the sequence-based classification of GTs. They both possess five conserved motifs and use lipid II precursor (undecaprenyl-pyrophosphate-N-acetylglucosaminyl-N-acetylmuramoyl- pe...

journal_title：Journal of bacteriology

authors： Terrak M,Nguyen-Distèche M

更新日期：2006-04-01 00:00:00

abstract：:Radiorespirometric and enzymatic analyses reveal that glucose-grown cells of Rhizobium japonicum isolates I-110 and L1-110, both derivatives of R. japonicum strain 3I1b110, possess an active tricarboxylic acid cycle and metabolize glucose by simultaneous operation of the Embden-Meyerhof-Parnas and Entner-Doudoroff pat...

journal_title：Journal of bacteriology

authors： Mulongoy K,Elkan GH

更新日期：1977-07-01 00:00:00

abstract：:During nitrogen-limited growth, transcription of glnA, which codes for glutamine synthetase, requires sigma 54-RNA polymerase and the phosphorylated from the nitrogen regulator I (NRI; also called NtrC). In cells in which the lac promoter controlled expression of the gene coding for NRI, increasing the intracellular c...

journal_title：Journal of bacteriology

authors： Shiau SP,Schneider BL,Gu W,Reitzer LJ

更新日期：1992-01-01 00:00:00

abstract：:Exogenously supplied long-chain fatty acids have been shown to markedly alleviate the inhibition of phototrophic growth of cultures of Rhodopseudomonas sphaeroides caused by the antibiotic cerulenin. Monounsaturated and polyunsaturated C18 fatty acids were most effective in relieving growth inhibition mediated by ceru...

journal_title：Journal of bacteriology

authors： Campbell TB,Lueking DR

更新日期：1983-02-01 00:00:00

abstract：:Twenty-four Lactobacillus plantarum supermotifs (LPSMs) with lengths from approximately 800 to 1,000 nucleotides were identified in the L. plantarum genome. LPSMs were conserved in other L. plantarum strains but not in other species. Secondary structure analysis predicted that LPSMs may fold into cruciform-like struct...

journal_title：Journal of bacteriology

authors： Wels M,Bongers RS,Boekhorst J,Molenaar D,Sturme M,de Vos WM,Siezen RJ,Kleerebezem M

更新日期：2009-05-01 00:00:00

abstract：:In this report we describe the cloning, organization, and promoter analysis of the Staphylococcus aureus thioredoxin (trxA) and thioredoxin reductase (trxB) genes and their transcription in response to changes in oxygen concentration and to oxidative stress compounds. Northern analysis showed that the S. aureus trxA a...

journal_title：Journal of bacteriology

authors： Uziel O,Borovok I,Schreiber R,Cohen G,Aharonowitz Y

更新日期：2004-01-01 00:00:00

abstract：:The effects of various metabolic inhibitors on the motility of Spirochaeta aurantia were investigated. After 15 min in sodium arsenate buffer, 90% of cells remained motile even though adenosine triphosphate levels dropped from 5.6 to 0.1 nmol/mg (dry weight) of cells. After 70 min in sodium arsenate, 5% of cells were ...

journal_title：Journal of bacteriology

authors： Goulbourne EA Jr,Greenberg EP

更新日期：1980-09-01 00:00:00

abstract：:Ubiquitination of intracellular proteins by the yeast RAD6 (UBC2) ubiquitin-conjugating (E2) enzyme is required for cellular processes as diverse as DNA repair, selective proteolysis, and normal growth. For most RAD6-dependent functions, the relevant in vivo targets, as well as the mechanisms and cofactors that govern...

journal_title：Journal of bacteriology

authors： McDonough M,Sangan P,Gonda DK

更新日期：1995-02-01 00:00:00

abstract：:Bladen, Howard A. (National Institute of Dental Health, Bethesda, Md.), and Edward G. Hampp. Ultrastructure of Treponema microdentium and Borrelia vincentii. J. Bacteriol. 87:1180-1191.-A small oral Treponema (FM) and Borrelia vincentii (N9) were harvested after 3 to 7 days of incubation and either embedded in Vestopa...

journal_title：Journal of bacteriology

authors： Bladen HA,Hampp EG

更新日期：1964-05-01 00:00:00

abstract：:Strains of Bacillus thuringiensis such as B. thuringiensis subsp. israelensis (ONR-60A) and B. thuringiensis subsp. morrisoni (PG-14) pathogenic for mosquito larvae produce a complex parasporal body consisting of several protein endotoxins synthesized during sporulation that form an aggregate of crystalline inclusions...

journal_title：Journal of bacteriology

authors： Diaz-Mendoza M,Bideshi DK,Federici BA

更新日期：2012-03-01 00:00:00

abstract：:T4 gene 2 mutants have a pleiotropic phenotype: degradation of injected phage DNA by exonuclease V (ExoV) in the recBCD(+) host cell cytoplasm and a low burst size due, at least in part, to a decreased ability for head-to-tail (H-T) joining. The more N terminal the mutation, the more pronounced is the H-T joining defe...

journal_title：Journal of bacteriology

authors： Wang GR,Vianelli A,Goldberg EB

更新日期：2000-02-01 00:00:00

abstract：:The coccoid cyanobacterium Chroococcidiopsis dominates microbial communities in the most extreme arid hot and cold deserts. These communities withstand constraints that result from multiple cycles of drying and wetting and/or prolonged desiccation, through mechanisms which remain poorly understood. Here we describe th...

journal_title：Journal of bacteriology

authors： Billi D,Friedmann EI,Helm RF,Potts M

更新日期：2001-04-01 00:00:00

abstract：:Three evolutionarily distinct families of replicative DNA polymerases, designated polymerase B (Pol B), Pol C, and Pol D, have been identified. Members of the Pol B family are present in all three domains of life, whereas Pol C exists only in Bacteria and Pol D exists only in Archaea. Pol B enzymes replicate eukaryoti...

journal_title：Journal of bacteriology

authors： Cubonová L,Richardson T,Burkhart BW,Kelman Z,Connolly BA,Reeve JN,Santangelo TJ

更新日期：2013-05-01 00:00:00

abstract：:Spectral analysis indicated the presence of a cytochrome cbb3 oxidase under microaerobic conditions in Azospirillum brasilense Sp7 cells. The corresponding genes (cytNOQP) were isolated by using PCR. These genes are organized in an operon, preceded by a putative anaerobox. The phenotype of an A. brasilense cytN mutant...

journal_title：Journal of bacteriology

authors： Marchal K,Sun J,Keijers V,Haaker H,Vanderleyden J

更新日期：1998-11-01 00:00:00

abstract：:During development of the symbiotic soil bacterium Sinorhizobium meliloti into nitrogen-fixing bacteroids, DNA replication and cell division cease and the cells undergo profound metabolic and morphological changes. Regulatory genes controlling the early stages of this process have not been identified. As a first step ...

journal_title：Journal of bacteriology

authors： Barnett MJ,Hung DY,Reisenauer A,Shapiro L,Long SR

更新日期：2001-05-01 00:00:00

abstract：:Clostridium difficile is the etiological agent of antibiotic-associated diarrhea. Among the factors that may play a role in infection are S-layer proteins (SLPs). Previous work has shown these to consist mainly of two components, resulting from the cleavage of a precursor encoded by the slpA gene. The high-molecular-w...

journal_title：Journal of bacteriology

authors： Calabi E,Fairweather N

更新日期：2002-07-01 00:00:00

abstract：:Helicobacter pylori is a microaerophilic bacterium associated with gastric inflammation and peptic ulcers. Knowledge of how pathogenic organisms produce energy is important from a therapeutic point of view. We found d-amino acid dehydrogenase-mediated electron transport from d-proline or d-alanine to oxygen via the re...

journal_title：Journal of bacteriology

authors： Tanigawa M,Shinohara T,Nishimura K,Nagata K,Ishizuka M,Nagata Y

更新日期：2010-03-01 00:00:00

abstract：:The metD D-methionine transporter locus of Escherichia coli was identified as the abc-yaeE-yaeC cluster (now renamed metNIQ genes). The abc open reading frame is preceded by tandem MET boxes bracketed by the -10 and -35 boxes of a promoter. The expression driven by this promoter is controlled by the MetJ repressor and...

journal_title：Journal of bacteriology

authors： Gál J,Szvetnik A,Schnell R,Kálmán M

更新日期：2002-09-01 00:00:00

abstract：:The flagella of Methanococcus voltae were isolated by using three procedures. Initially, cells were sheared to release the filaments, which were purified by differential centrifugation and banding in KBr gradients. Flagella were also prepared by solubilization of cells with 1% (vol/vol) Triton X-100 and purified as de...

journal_title：Journal of bacteriology

authors： Kalmokoff ML,Jarrell KF,Koval SF

更新日期：1988-04-01 00:00:00

abstract：:Daniel, John W. (University of Wisconsin, Madison), and Karlee Babcock. Methionine metabolism of the myxomycete Physarum polycephalum. J. Bacteriol. 92:1028-1035. 1966.-Previous studies have shown that Physarum polycephalum requires exogenous methionine for growth, but not cysteine, folic acid, or vitamin B(12). Methi...

journal_title：Journal of bacteriology

authors： Daniel JW,Babcock K

更新日期：1966-10-01 00:00:00

abstract：:The galP1 promoter is responsible for galactose-dependent, glucose-sensitive transcription of the galactose utilization operon of Streptomyces coelicolor and Streptomyces lividans. We describe the characterization of mutations that were positioned directly upstream of the apparent transcription start site of galP1 and...

journal_title：Journal of bacteriology

authors： Mattern SG,Brawner ME,Westpheling J

更新日期：1993-03-01 00:00:00

abstract：:The obligate psychrophilic yeasts Torulopsis psychrophila, T. austromarina, Leucosporidium frigidum, L. gelidum, and L. nivalis were obligate aerobes and were unable to grow anaerobically. In contrast, the obligate thermophilic yeasts T. bovina, T. pintolopesii, Candida slooffii, and Saccharomyces telluris were facult...

journal_title：Journal of bacteriology

authors： Watson K,Arthur H,Morton H

更新日期：1978-11-01 00:00:00

abstract：:Entry into the host bacterial cell is one of the least understood steps in the life cycle of bacteriophages. The different envelopes of Gram-negative and Gram-positive bacteria, with a fluid outer membrane and exposing a thick peptidoglycan wall to the environment respectively, impose distinct challenges for bacteriop...

journal_title：Journal of bacteriology

authors： Jakutytė L,Baptista C,São-José C,Daugelavičius R,Carballido-López R,Tavares P

更新日期：2011-09-01 00:00:00

abstract：:The function of SufI, a well-studied substrate of the TatABC translocase in Escherichia coli, is not known. It was earlier implicated in cell division, based on the finding that multiple copies of sufI suppressed the phenotypes of cells with mutations in ftsI (ftsI23), which encodes a divisomal transpeptidase. Recentl...

journal_title：Journal of bacteriology

authors： Samaluru H,SaiSree L,Reddy M

更新日期：2007-11-01 00:00:00

abstract：:Unsaturated fatty acids having structural features which are different from those of the monoenoic acids normally synthesized by Escherichia coli can serve as growth factors for an auxotroph requiring unsaturated fatty acids. These analogues were incorporated into the phospholipids, as shown by gas-liquid and thin-lay...

journal_title：Journal of bacteriology

authors： Silbert DF,Ruch F,Vagelos PR

更新日期：1968-05-01 00:00:00

abstract：:Lactobacillus rhamnosus MTCC 5462 was isolated from infant gastrointestinal flora. The strain exhibited an ability to reduce cholesterol and stimulate immunity. The strain has exhibited positive results in alleviating gastrointestinal discomfort and good potential as a probiotic. We sequenced the whole genome of the s...

journal_title：Journal of bacteriology

authors： Prajapati JB,Khedkar CD,Chitra J,Suja S,Mishra V,Sreeja V,Patel RK,Ahir VB,Bhatt VD,Sajnani MR,Jakhesara SJ,Koringa PG,Joshi CG

更新日期：2012-03-01 00:00:00

abstract：:The ornithine lipid of Thiobacillus thiooxidans was found to be 1.9% of the total polar lipids. Approximately 80% of this lipid was found to be localized in the outer membrane. ...

journal_title：Journal of bacteriology

authors： Dees C,Shively JM

更新日期：1982-02-01 00:00:00