A bacitracin-resistant Bacillus subtilis gene encodes a homologue of the membrane-spanning subunit of the Bacillus licheniformis ABC transporter.

abstract：:Riemerella anatipestifer is responsible for exudative septicemia in ducks. The genetic determinant of the CAMP cohemolysin, cam, from a strain of R. anatipestifer was cloned and expressed in Escherichia coli. Chromosomal DNA from serotype 19 strain 30/90 was used to construct a gene library in pBluescript II SK(-) vec...

journal_title：Journal of bacteriology

authors： Crasta KC,Chua KL,Subramaniam S,Frey J,Loh H,Tan HM

更新日期：2002-04-01 00:00:00

abstract：:Transcription of the virG gene of Agrobacterium tumefaciens was previously shown to be expressed from two tandem promoters and to be responsive to three stimuli: plant-released phenolic compounds, phosphate starvation, and acidic media. In this report, I describe a set of deletions and other alterations of the 5' end ...

journal_title：Journal of bacteriology

authors： Winans SC

更新日期：1990-05-01 00:00:00

abstract：:Despite a large number of studies on the role of oxygen in cellular processes, there is no consensus as to how oxygen availability to the cell should be defined, let alone how it should be quantified. Here, a quantitative definition for oxygen availability (perceived aerobiosis) is presented; the definition is based o...

journal_title：Journal of bacteriology

authors： Alexeeva S,Hellingwerf KJ,Teixeira de Mattos MJ

更新日期：2002-03-01 00:00:00

abstract：:Three gene libraries of Bordetella avium 197 DNA were prepared in Escherichia coli LE392 by using the cosmid vectors pCP13 and pYA2329, a derivative of pCP13 specifying spectinomycin resistance. The cosmid libraries were screened with convalescent-phase anti-B. avium turkey sera and polyclonal rabbit antisera against ...

journal_title：Journal of bacteriology

authors： Gentry-Weeks CR,Hultsch AL,Kelly SM,Keith JM,Curtiss R 3rd

更新日期：1992-12-01 00:00:00

abstract：:Constitutive beta-glucosidases from Saccharomyces fragilis (Y-18) and S. dobzhanskii (Y-19) precipitated at the same concentration of ammonium sulfate. The partially purified enzymes had similar activation energies, molecular weights, affinities for certain natural and synthetic beta-glucosides, and optimal pH values ...

journal_title：Journal of bacteriology

authors： Fleming LW,Duerksen JD

更新日期：1967-01-01 00:00:00

abstract：:The nucleotide sequence of the DNA mobilization region of the 5-nitroimidazole resistance plasmid pIP421, from strain BF-F239 of Bacteroides fragilis, was determined. It contains a putative origin of transfer (oriT) including three sets of inverted repeats and two sequences reminiscent of specific integration host fac...

journal_title：Journal of bacteriology

authors： Trinh S,Reysset G

更新日期：1997-06-01 00:00:00

abstract：:Production of deoxyribonucleotides for DNA synthesis is an essential and tightly regulated process. The class Ia ribonucleotide reductase (RNR), the product of the nrdAB genes, is required for aerobic growth of Escherichia coli. In catalyzing the reduction of ribonucleotides, two of the cysteines of RNR become oxidize...

journal_title：Journal of bacteriology

authors： Feeney MA,Ke N,Beckwith J

更新日期：2012-03-01 00:00:00

abstract：:The transduction efficiency of Tn551, a staphylococcal transposon coding for erythromycin resistance (ermB), was increased by a factor of about five in acceptor strains carrying the gene for methicillin resistance (mec), as compared with methicillin-sensitive strains. This enhancement was independent of the generalize...

journal_title：Journal of bacteriology

authors： Berger-Bächi B

更新日期：1983-04-01 00:00:00

abstract：UNLABELLED:Neisseria meningitidis, an exclusively human pathogen and the leading cause of bacterial meningitis, must adapt to different host niches during human infection. N. meningitidis can utilize a restricted range of carbon sources, including lactate, glucose, and pyruvate, whose concentrations vary in host niches...

journal_title：Journal of bacteriology

authors： Antunes A,Golfieri G,Ferlicca F,Giuliani MM,Scarlato V,Delany I

更新日期：2015-12-07 00:00:00

abstract：:Myxococcus xanthus mutants resistant to a clear-plaque derivative of phage Mx8 were isolated. A significant fraction of the mutants, easily recognizable by their colony morphology, were induced by the presence of the phage and may correspond to low-frequency lysogens. They were all defective in cell motility and showe...

journal_title：Journal of bacteriology

authors： Ruiz-Vázquez R,Murillo FJ

更新日期：1984-11-01 00:00:00

abstract：:The hook-basal body complex of Salmonella typhimurium, a major component of its flagellar apparatus, was subjected to detailed analysis by electron microscopy and gel electrophoresis. The study was facilitated by the development of an improved protocol for isolation of the complexes in high yield and purity. Nine prot...

journal_title：Journal of bacteriology

authors： Aizawa SI,Dean GE,Jones CJ,Macnab RM,Yamaguchi S

更新日期：1985-03-01 00:00:00

abstract：:In a previous search for mutants of Salmonella typhimurium that are defective in heme synthesis, one class that is apparently defective in 5-aminolevulinic acid (ALA) uptake (alu) was found. Here, I describe the characterization of these mutations. The mutations all map to a single locus near 77.5 min on the genetic m...

journal_title：Journal of bacteriology

authors： Elliott T

更新日期：1993-01-01 00:00:00

abstract：:Emulsan, the polyanionic emulsifying agent synthesized by Acinetobacter calcoaceticus RAG-1, was depolymerized by an enzyme obtained from a soil bacterium YUV-1. The extracellular emulsan depolymerase was produced when strains RAG-1 and YUV-1 were grown together on agar medium. The enzyme was extracted from the agar a...

journal_title：Journal of bacteriology

authors： Shoham Y,Rosenberg E

更新日期：1983-10-01 00:00:00

abstract：:We report the cloning and characterization of the biosynthetic gene cluster (crtE, crtB, crtI, crtE2, crtYg, crtYh, and crtX) of the γ-cyclic C(50) carotenoid sarcinaxanthin in Micrococcus luteus NCTC2665. Expression of the complete and partial gene cluster in Escherichia coli hosts revealed that sarcinaxanthin biosyn...

journal_title：Journal of bacteriology

authors： Netzer R,Stafsnes MH,Andreassen T,Goksøyr A,Bruheim P,Brautaset T

更新日期：2010-11-01 00:00:00

abstract：:Oleandomycin, a macrolide antibiotic produced by Streptomyces antibioticus, contains two sugars attached to the aglycon: L-oleandrose and D-desosamine. oleY codes for a methyltransferase involved in the biosynthesis of L-oleandrose. This gene was overexpressed in Escherichia coli to form inclusion bodies and in Strept...

journal_title：Journal of bacteriology

authors： Rodríguez L,Rodríguez D,Olano C,Braña AF,Méndez C,Salas JA

更新日期：2001-09-01 00:00:00

abstract：:Direct evidence for the involvement of ubiquinone in H2 oxidation by Rhizobium japonicum was demonstrated; H2 reduced ca. 80% of the extractable ubiquinone. The inhibitor 2-n-heptyl-4-hydroxyquinoline-N-oxide blocked electron transport at a site between ubiquinone and the cytochromes. The results showed that no cytoch...

journal_title：Journal of bacteriology

authors： O'Brian MR,Maier RJ

更新日期：1985-02-01 00:00:00

abstract：:The Gram-positive bacterium Streptococcus pyogenes (also called group A Streptococcus [GAS]), is found strictly in humans and is capable of causing a wide variety of infections. Here we demonstrate that serine catabolism in GAS is controlled by the transcriptional regulator Spy49_0126c. We have designated this regulat...

journal_title：Journal of bacteriology

authors： LaSarre B,Federle MJ

更新日期：2011-04-01 00:00:00

abstract：:MalT is the central transcriptional activator of all mal genes in Escherichia coli. Its activity is controlled by the inducer maltotriose. It can be inhibited by the interaction with certain proteins, and its expression can be controlled. We report here a novel aspect of mal gene regulation: the effect of cytoplasmic ...

journal_title：Journal of bacteriology

authors： Lengsfeld C,Schönert S,Dippel R,Boos W

更新日期：2009-02-01 00:00:00

abstract：:In Pseudomonas aeruginosa, flagellar genes are regulated in a cascade headed by FleQ, an NtrC/NifA-type activator. FleQ and RpoN positively regulate expression of flhA, fliE, fliL, and fleSR genes, among others. Direct interaction of FleQ with flhA, fliE, fliL, and fleSR promoters was demonstrated by gel shift assay, ...

journal_title：Journal of bacteriology

authors： Jyot J,Dasgupta N,Ramphal R

更新日期：2002-10-01 00:00:00

abstract：:Studies with cell-free protein preparations from a series of recombinant strains of Pseudomonas denitrificans demonstrated that precorrin-3 is converted into a further trimethylated intermediate, named precorrin-3B, along the pathway to coenzyme B12. It was then shown that the part of the pathway from precorrin-3 (cal...

journal_title：Journal of bacteriology

authors： Debussche L,Thibaut D,Cameron B,Crouzet J,Blanche F

更新日期：1993-11-01 00:00:00

abstract：:Streptococcus bovis possesses two sugar phosphate phosphatases (Pases). Pase I is a soluble enzyme that is inhibited by the membrane fractions from lactose-grown cells and is insensitive to activation by S46D HPr, an analog of HPr(ser-P) of the sugar phosphotransferase system. Pase II is a membrane-associated enzyme t...

journal_title：Journal of bacteriology

authors： Cook GM,Ye JJ,Russell JB,Saier MH Jr

更新日期：1995-12-01 00:00:00

abstract：UNLABELLED:The role of chromosomal toxin-antitoxin (TA) systems, which are ubiquitous within the genomes of free-living bacteria, is still debated. We have scanned the Vibrio cholerae N16961 genome for class 2 TA genes and identified 18 gene pair candidates. Interestingly, all but one are located in the chromosome 2 su...

journal_title：Journal of bacteriology

authors： Iqbal N,Guérout AM,Krin E,Le Roux F,Mazel D

更新日期：2015-07-01 00:00:00

abstract：UNLABELLED:Resistance to methicillin and other β-lactam antibiotics in staphylococci is due to mecA, which is carried on a genomic island, staphylococcal cassette chromosome mec (SCCmec). The chromosomal excision and integration of SCCmec are mediated by the site-specific recombinase CcrAB or CcrC, encoded within this ...

journal_title：Journal of bacteriology

authors： Wang L,Ahmed MH,Safo MK,Archer GL

更新日期：2015-09-01 00:00:00

abstract：:Growing cells of Campylobacter coli and C. jejuni were naturally transformed by naked DNA without the requirement for any special treatment. Transformation frequencies for homologous chromosomal DNA were approximately 10(-3) transformants per recipient cell in C. coli and 10(-4) in C. jejuni. Maximum competence was fo...

journal_title：Journal of bacteriology

authors： Wang Y,Taylor DE

更新日期：1990-02-01 00:00:00

abstract：:The Vibrio fischeri luminescence (lux) genes are regulated by the 250-amino-acid-residue LuxR protein and a V. fischeri metabolite termed autoinducer. The V. fischeri lux regulon consists of two divergently transcribed units. Autoinducer and LuxR activate transcription of the luxICDABE operon and autoregulate the luxR...

journal_title：Journal of bacteriology

authors： Choi SH,Greenberg EP

更新日期：1992-06-01 00:00:00

abstract：:Inactivation of ccpA in Enterococcus faecalis leads to reduction of the growth rate, derepression of the galKETR operon in the presence of a mixture of glucose and galactose, and reduction of transcription of ldh in the presence of glucose. Moreover, the E. faecalis ccpA gene fully complements a Bacillus subtilis ccpA...

journal_title：Journal of bacteriology

authors： Leboeuf C,Leblanc L,Auffray Y,Hartke A

更新日期：2000-10-01 00:00:00

abstract：:The mechanism of methyl-beta-D-thiogalactoside-phosphate (TMG-P) expulsion from Streptococcus pyogenes was studied. The expulsion elicited by glucose was not due to exchange vectorial transphosphorylation between the expelled TMG and the incoming glucose since more beta-galactoside was displaced than glucose taken up,...

journal_title：Journal of bacteriology

authors： Reizer J,Novotny MJ,Panos C,Saier MH Jr

更新日期：1983-10-01 00:00:00

abstract：:The pSym megaplasmid of Rhizobium meliloti 2011 mobilized by plasmid RP4, or plasmid pGMI42, an RP4-prime derivative which carries a 290-kilobase pSym fragment including nitrogenase and nod genes, was introduced into Agrobacterium tumefaciens. The resulting transconjugants induced root deformations specifically on the...

journal_title：Journal of bacteriology

authors： Truchet G,Rosenberg C,Vasse J,Julliot JS,Camut S,Denarie J

更新日期：1984-01-01 00:00:00

abstract：:In the thermophilic archaeon Methanobacterium thermoautotrophicum Marburg, the structural gene for isoleucyl-tRNA synthetase (ileS) is flanked upstream by orf401 and downstream by purL. orf401 encodes a 43.5-kDa protein with an unknown function. Northern (RNA) hybridization and S1 nuclease protection experiments showe...

journal_title：Journal of bacteriology

authors： Jenal U,Thurner C,Leisinger T

更新日期：1993-09-01 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