Nucleotide sequence of the McrB region of Escherichia coli K-12 and evidence for two independent translational initiation sites at the mcrB locus.

abstract：:The ompB operon of Escherichia coli contains the structural genes for two proteins, OmpR and EnvZ, which control the osmoregulated biosynthesis of the porin proteins OmpF and OmpC. By inserting XbaI octamer linkers into the cloned ompB locus, four distinct frameshift mutants were isolated and subsequently characterize...

journal_title：Journal of bacteriology

authors： Comeau DE,Ikenaka K,Tsung KL,Inouye M

更新日期：1985-11-01 00:00:00

abstract：:Aeromonas hydrophila secretes a number of degradative enzymes and toxins into the external milieu via the type II secretory pathway or secreton. ExeA is an essential component of this system and is necessary for the localization and/or multimerization of the secretin ExeD. ExeA contains two sequence motifs characteris...

journal_title：Journal of bacteriology

authors： Schoenhofen IC,Li G,Strozen TG,Howard SP

更新日期：2005-09-01 00:00:00

abstract：:The type III secretion system (T3SS) of Pseudomonas aeruginosa is an important virulence factor. The T3SS of P. aeruginosa can be induced by a low calcium signal or upon direct contact with the host cells. The exact pathway of signal sensing and T3SS activation is not clear. By screening a transposon insertion mutant ...

journal_title：Journal of bacteriology

authors： Wu W,Badrane H,Arora S,Baker HV,Jin S

更新日期：2004-11-01 00:00:00

abstract：:The genomic organization of the acidophilic chemolithoautotrophic bacterium Thiobacillus ferrooxidans ATCC 21834 has been studied by pulsed-field gel electrophoresis (PFGE). Analysis of its intact DNA, as well as the restriction patterns obtained with several endonucleases, allowed the characterization of one circular...

journal_title：Journal of bacteriology

authors： Irazabal N,Marín I,Amils R

更新日期：1997-03-01 00:00:00

abstract：:Bacterial uptake of phosphate is usually accomplished via high-affinity transporters that are commonly regulated by two-component systems, which are activated when the concentration of phosphate is low. Mycobacterium smegmatis possesses two such transporters, the widely distributed PstSCAB system and PhnDCE, a transpo...

journal_title：Journal of bacteriology

authors： Gebhard S,Busby JN,Fritz G,Moreland NJ,Cook GM,Lott JS,Baker EN,Money VA

更新日期：2014-10-01 00:00:00

abstract：:The gut microbiota plays a crucial role in the development of the immune system and confers benefits or disease susceptibility to the host. Emerging studies have indicated the gut microbiota could affect pulmonary health and disease through cross talk between the gut microbiota and the lungs. Gut microbiota dysbiosis c...

journal_title：Journal of bacteriology

authors： Zhou A,Lei Y,Tang L,Hu S,Yang M,Wu L,Yang S,Tang B

更新日期：2021-01-25 00:00:00

abstract：:Acidic hot springs are colonized by a diversity of hyperthermophilic organisms requiring extremes of temperature and pH for growth. To clarify how carbohydrates are consumed in such locations, the structural gene (malA) encoding the major soluble alpha-glucosidase (maltase) and flanking sequences from Sulfolobus solfa...

journal_title：Journal of bacteriology

authors： Rolfsmeier M,Haseltine C,Bini E,Clark A,Blum P

更新日期：1998-03-01 00:00:00

abstract：:Bacterial lipoproteins represent a subset of membrane-associated proteins that are covalently modified with lipids at the N-terminal cysteine. The final step of lipoprotein modification, N-acylation of apolipoproteins, is mediated by apolipoprotein N-acyltransferase (Lnt). Examinations with reconstituted proteoliposom...

journal_title：Journal of bacteriology

authors： Narita S,Tokuda H

更新日期：2011-09-01 00:00:00

abstract：:A chromosomal insertion of transposon Tn917 partially restores the expression of protease and alpha-toxin activities to PM466, a genetically defined agr-null derivative of the wild-type Staphylococcus aureus strain RN6390. In co-transduction experiments, transposon-encoded erythromycin resistance and a protease- and a...

journal_title：Journal of bacteriology

authors： McNamara PJ,Milligan-Monroe KC,Khalili S,Proctor RA

更新日期：2000-06-01 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 sensitivity of Streptococcus faecalis (ATTC 8043) to S. zymogenes X-14 bacteriocin depends greatly on its physiological age. Sensitivity decreases from the mid-log phase on and is completely lost in the stationary phase. The sensitivity of erythrocytes to the hemolytic capacity of the bacteriocin showed considerab...

journal_title：Journal of bacteriology

authors： Basinger SF,Jackson RW

更新日期：1968-12-01 00:00:00

abstract：:Genome comparisons have demonstrated that dramatic genetic change often underlies the emergence of new bacterial pathogens. Evolutionary analysis of Escherichia coli O157:H7, a pathogen that has emerged as a worldwide public health threat in the past two decades, has posited that this toxin-producing pathogen evolved ...

journal_title：Journal of bacteriology

authors： Wick LM,Qi W,Lacher DW,Whittam TS

更新日期：2005-03-01 00:00:00

abstract：:The reproduction and morphogenesis of Rickettsiella chironomi, an unusual procaryotic parasite of midge larvae, was studied with electron microscopy. The morphogenic cycle was similar to that found in chlamydia and consisted of four major cell types: (i) medium-sized spherical initial bodies (ca. 1 micrometers in diam...

journal_title：Journal of bacteriology

authors： Federici BA

更新日期：1980-08-01 00:00:00

abstract：:Toluene dioxygenase from Pseudomonas putida F1 has been studied extensively with aromatic substrates. The present work examined the toluene dioxygenase-catalyzed oxidation of various halogenated ethenes, propenes, butenes and nonhalogenated cis-2-pentene, an isomeric mix of 2-hexenes, cis-2-heptene, and cis-2-octene a...

journal_title：Journal of bacteriology

authors： Lange CC,Wackett LP

更新日期：1997-06-01 00:00:00

abstract：:By using a method that labels sulfhydryl-containing proteins in situ, we have detected a major outer membrane protein of Neisseria gonorrhoeae at 41 kDa. A protein of this molecular mass has not previously been shown to be a major outer membrane protein in gonococci. In addition, a minor protein rich in cysteinyl resi...

journal_title：Journal of bacteriology

authors： Norrod EP,Browne SL,Feldweg A,Leonard J

更新日期：1993-02-01 00:00:00

abstract：:Escherichia coli UM146 was isolated from the ileum of a Crohn's disease patient. It adheres to and invades enterocytes and can replicate inside macrophages. Its complete genome sequence reveals that it is most closely related to the human urinary tract pathogen E. coli CFT073, but it has a host of genes that are novel...

journal_title：Journal of bacteriology

authors： Krause DO,Little AC,Dowd SE,Bernstein CN

更新日期：2011-01-01 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：:Proteins encoded by plasmid DNA are specifically labeled in UV-irradiated cells of Escherichia coli carrying recA and uvrA mutations because extensive degradation of the chromosome DNA occurs concurrently with amplification of plasmid DNA. ...

journal_title：Journal of bacteriology

authors： Sancar A,Hack AM,Rupp WD

更新日期：1979-01-01 00:00:00

abstract：:Flagellum formation by ubiquinone- and menaquinone-deficient mutant strains of Escherichia coli K-12 was studied under both aerobic and anaerobic growth conditions. Ubiquinone was found to be obligatory for aerobic flagellum formation but could be replaced by menaquinone for anaerobic flagellum formation. A mutant dev...

journal_title：Journal of bacteriology

authors： Hertz R,Bar-Tana J

更新日期：1977-12-01 00:00:00

abstract：:This paper describes the major transmutations of donor deoxyribonucleic acid (DNA) after uptake by competent Bacillus subtilis cells. Kinetic experiments confirm that after exposure to competent cells, donor DNA is converted to double-stranded fragments (DSF) which can be isolated as early as 30 s from the beginning o...

journal_title：Journal of bacteriology

authors： Davidoff-Abelson R,Dubnau D

更新日期：1973-10-01 00:00:00

abstract：:Estrada-Parra, Sergio (Escuela Nacional de Ciencias Biológicas, México, D.F., México), Abel Zamora, and L. F. Bojalil. Immunochemistry of the group-specific polysaccharide of Nocardia brasiliensis. J. Bacteriol. 90:571-574. 1965.-The group-specific polysaccharide of Nocardia brasiliensis was further purified, yielding...

journal_title：Journal of bacteriology

authors： Estrada-Parra S,Zamora A,Bojalil LF

更新日期：1965-09-01 00:00:00

abstract：:In gram-negative organisms, enzymes belonging to the low-molecular-weight protein tyrosine phosphatase (LMPTP) family are involved in the regulation of important physiological functions, including stress resistance and synthesis of the polysaccharide capsule. LMPTPs have been identified also in gram-positive bacteria,...

journal_title：Journal of bacteriology

authors： Musumeci L,Bongiorni C,Tautz L,Edwards RA,Osterman A,Perego M,Mustelin T,Bottini N

更新日期：2005-07-01 00:00:00

abstract：:Bacterial cell surface components can be important determinants of virulence. At least three gene clusters important for extracellular polysaccharide (EPS) biosynthesis have been previously identified in the plant pathogen Pseudomonas solanacearum. We have found that one of these gene clusters, named ops, is also requ...

journal_title：Journal of bacteriology

authors： Kao CC,Sequeira L

更新日期：1991-12-01 00:00:00

abstract：:Pseudomonas putida DOT-T1 was isolated after enrichment on minimal medium with 1% (vol/vol) toluene as the sole C source. The strain was able to grow in the presence of 90% (vol/vol) toluene and was tolerant to organic solvents whose log P(ow) (octanol/water partition coefficient) was higher than 2.3. Solvent toleranc...

journal_title：Journal of bacteriology

authors： Ramos JL,Duque E,Huertas MJ,Haïdour A

更新日期：1995-07-01 00:00:00

abstract：:Salmonella typhimurium invasion of nonphagocytic cells requires the expression of a type III secretion system (TTSS) encoded within Salmonella pathogenicity island 1 (SPI1). TTSS gene transcription is activated in response to environmental signals and requires transcriptional regulators encoded within (HilA) and outsi...

journal_title：Journal of bacteriology

authors： Rakeman JL,Bonifield HR,Miller SI

更新日期：1999-05-01 00:00:00

abstract：:Strains derived from HfrH carrying the arcA2 null mutation exhibit a higher respiratory rate, enhanced glucose consumption, and a more-reduced intracellular redox state than arcA deletion mutants of a different lineage. The phenotype of the arcA2 mutants was due to the presence of a creC constitutive mutation introduc...

journal_title：Journal of bacteriology

authors： Nikel PI,de Almeida A,Pettinari MJ,Méndez BS

更新日期：2008-05-01 00:00:00

abstract：:Prolyl-phenylalanine-specific serine protease (dentilisin) is a major extracellular protease produced by Treponema denticola. The gene, prtP, coding for the protease was recently cloned and sequenced (K. Ishihara, T. Miura, H. K. Kuramitsu, and K. Okuda, Infect. Immun. 64:5178-5186, 1996). In order to determine the ro...

journal_title：Journal of bacteriology

authors： Ishihara K,Kuramitsu HK,Miura T,Okuda K

更新日期：1998-08-01 00:00:00

abstract：:Two mutations in the ninR region of bacteriophage lambda that bypass a requirement for antitermination have been studied. One mutation, byp, has been cloned and mapped by marker rescue to a 417-base-pair segment in the ninR region of the genome. Analysis of the byp mutation by using promoter detection vectors, DNA seq...

journal_title：Journal of bacteriology

authors： Costantino N,Zuber M,Court D

更新日期：1990-08-01 00:00:00

abstract：:DNA from the STA1 (extracellular glucoamylase) gene of Saccharomyces diastaticus was used as a probe to enable the cloning by colony hybridization of three DNA fragments from Saccharomyces cerevisiae; these were designated S1, S2, and SGA (intracellular, sporulation-specific glucoamylase gene). To examine the evolutio...

journal_title：Journal of bacteriology

authors： Yamashita I,Nakamura M,Fukui S

更新日期：1987-05-01 00:00:00

abstract：:Using a number of approaches we were unable to demonstrate a chemotactic response of Myxococcus xanthus to a variety of defined and complex materials. These data in addition to a number of prima facie arguments considerably reduce the likelihood that M. xanthus possesses a mechanism for chemotactic behavior. ...

journal_title：Journal of bacteriology

authors： Dworkin M,Eide D

更新日期：1983-04-01 00:00:00