Alanylclavam biosynthetic genes are clustered together with one group of clavulanic acid biosynthetic genes in Streptomyces clavuligerus.

abstract：UNLABELLED:Deacetylation of 7-aminocephalosporanic acid (7-ACA) at position C-3 provides valuable starting material for producing semisynthetic β-lactam antibiotics. However, few enzymes have been characterized in this process before now. Comparative analysis of the genome of the thermophilic bacterium Alicyclobacillus...

journal_title：Journal of bacteriology

authors： Ding JM,Yu TT,Han NY,Yu JL,Li JJ,Yang YJ,Tang XH,Xu B,Zhou JP,Tang HZ,Huang ZX

更新日期：2015-11-02 00:00:00

abstract：:The lipid intermediate in peptidoglycan biosynthesis was isolated from Escherichia coli strain W and characterized as C(55)-isoprenyl-pyrophosphoryl N-acetylmuramyl(-pentapeptide)-N-acetyl-glucosamine. ...

journal_title：Journal of bacteriology

authors： Umbreit JN,Strominger JL

更新日期：1972-12-01 00:00:00

abstract：:Five transposon Tn5 mutants of the procaryote Myxococcus xanthus had been shown previously to be defective in lipopolysaccharide biosynthesis (J. M. Fink,-M. Kalos, and J. F. Zissler, J. Bacteriol. 171:2033-2041, 1989). These mutants were studied for possible defects in gliding motility and multicellular development. ...

journal_title：Journal of bacteriology

authors： Fink JM,Zissler JF

更新日期：1989-04-01 00:00:00

abstract：:The inducible galactose transport system in bakers' yeast carries out the facilitated diffusion of the nonmetabolized galactose analogues d-fucose and l-arabinose. This capacity depends on the activity of the Ga 2 gene. In some strains, d-fucose and l-arabinose are also gratuitous inducers. Mutants in which the induci...

journal_title：Journal of bacteriology

authors： Cirillo VP

更新日期：1968-05-01 00:00:00

abstract：:A characteristic of N2-fixing cyanobacteria in symbiotic associations appears to be release of N2-derived NH4+. The specific activity of the primary ammonium-assimilating enzyme, glutamine synthetase (GS), was found to be three- to fourfold lower in Nostoc sp. strain 7801 grown in symbiotic association with the bryoph...

journal_title：Journal of bacteriology

authors： Joseph CM,Meeks JC

更新日期：1987-06-01 00:00:00

abstract：:Firshein, W. (Wesleyan University, Middletown, Conn.). Effects of deoxyribonucleic acid products on deoxyribonucleic acid synthesis of virulent and avirulent pneumococci. J. Bacteriol. 82:169-180. 1961.-Cell suspensions of virulent pneumococci synthesize a greater amount of deoxyribonucleic acid (DNA) per cell in the ...

journal_title：Journal of bacteriology

authors： FIRSHEIN W

更新日期：1961-08-01 00:00:00

abstract：:Carbon catabolite control protein A (CcpA) is the main regulator involved in carbon catabolite repression in gram-positive bacteria. Time series gene expression analyses of Lactococcus lactis MG1363 and L. lactis MG1363DeltaccpA using DNA microarrays were used to define the CcpA regulon of L. lactis. Based on a compar...

journal_title：Journal of bacteriology

authors： Zomer AL,Buist G,Larsen R,Kok J,Kuipers OP

更新日期：2007-02-01 00:00:00

abstract：:Hogg, Robert W. (University of Illinois, Urbana), Chitra S. Biswas, and Harry P. Broquist. Interference with valine and isoleucine biosynthesis by cyclic hydroxamic acids. J. Bacteriol. 90:1265-1270. 1965.-The introduction of a hydroxyl group in a number of common barbiturates, a substitution which converts these comp...

journal_title：Journal of bacteriology

authors： Hogg RW,Biswas CS,Broquist HP

更新日期：1965-11-01 00:00:00

abstract：:A 4.2-kilobase cryptic Bacteroides plasmid, pB8-51, is found in several colonic Bacteroides species. To determine whether pB8-51 is mobilized by any of the known Bacteroides conjugal elements, we constructed an Escherichia coli-Bacteroides shuttle vector, pVAL-1, which contains pB8-51. We constructed Bacteroides unifo...

journal_title：Journal of bacteriology

authors： Valentine PJ,Shoemaker NB,Salyers AA

更新日期：1988-03-01 00:00:00

abstract：:When titanium(III) citrate was used as electron donor for the reduction of methyl coenzyme M by the methyl coenzyme M methylreductase system of Methanobacterium thermoautotrophicum delta H, component A1 was no longer required. The simpler system thus obtained required components A2, A3, and C as well as catalytic amou...

journal_title：Journal of bacteriology

authors： Rouvière PE,Bobik TA,Wolfe RS

更新日期：1988-09-01 00:00:00

abstract：:Complementation analysis of the ssaD1 mutation, isolated as a suppressor of the secA51(Ts) mutation that renders growth of Escherichia coli cold sensitive, was used to show that ssaD corresponds to nusB, a gene known to be important in transcription antitermination. DNA sequence analysis of the ssaD1 allele showed tha...

journal_title：Journal of bacteriology

authors： Rajapandi T,Oliver D

更新日期：1994-07-01 00:00:00

abstract：:Banerjee, Arun B. (University of Calcutta, Calcutta, India), and S. K. Bose. Biosynthesis of mycobacillin, a new antifungal peptide. II. Relation between streptomycin dependence and biosynthesis. J. Bacteriol. 87:1402-1405. 1964.-A streptomycin-dependent variant was isolated by a single-step mutation process from a st...

journal_title：Journal of bacteriology

authors： BANERJEE AB,BOSE SK

更新日期：1964-06-01 00:00:00

abstract：:Temperature induction of an Escherichia coli strains with lambda cI1857 integrated in the guaB gene has been used to produce strains containing chromosomal deletions extending into the xse and upp genes. By utilizing strains containing these deletions, it has been possible to order the genes in the guanine operon with...

journal_title：Journal of bacteriology

authors： Vales LD,Chase JW,Murphy JB

更新日期：1979-07-01 00:00:00

abstract：:Production of Bacillus subtilis exoproteases is positively regulated by the DegS-DegU two-component regulatory system and other regulatory factors including DegR and ProB. It was shown that the expression of degR was virtually abolished in a sigD mutant and that the transcriptional initiation site in vivo is preceded ...

journal_title：Journal of bacteriology

authors： Ogura M,Tanaka T

更新日期：1996-01-01 00:00:00

abstract：UNLABELLED:The Mycobacterium tuberculosis exported repetitive protein (RvErp) is a crucial virulence-associated factor as determined by its role in the survival and multiplication of mycobacteria in cultured macrophages and in vivo Although attempts have been made to understand the function of Erp protein, its exact ro...

journal_title：Journal of bacteriology

authors： Ganaie AA,Trivedi G,Kaur A,Jha SS,Anand S,Rana V,Singh A,Kumar S,Sharma C

更新日期：2016-09-22 00:00:00

abstract：:The regulatory system that controls the expression of the Ti plasmid-borne octopine degradation (uad) and transfer (tra) genes in Agrobacterium tumefaciens was studied. A deletion mutant derived from the cointegrate plasmid R702::Ti-B6S3 was isolated, which was compatible with a wild-type Ti plasmid and which had reta...

journal_title：Journal of bacteriology

authors： Klapwijk PM,Schilperoort RA

更新日期：1979-08-01 00:00:00

abstract：:Six mutants, allelic to ade3, were isolated after mutagenic treatment of a prototrophic strain of yeast. All six grow on medium supplemented with adenine alone and four respond to histidine. Supplementation with adenine plus histidine or methionine inhibits growth, but a mixture of these three is stimulatory. Heteroal...

journal_title：Journal of bacteriology

authors： Lomax CA,Gross TS,Woods RA

更新日期：1971-07-01 00:00:00

abstract：:A conditional developmental mutant of Mucor racemosus which is capable of oxidative energy metabolism is described. Unlike the wild-type strain the mutant was highly fermentative and exhibited the yeast morphology when grown aerobically in glucose-containing media. The high fermentative activity and yeast morphology u...

journal_title：Journal of bacteriology

authors： Borgia PT,Gokul NK,Phillips GJ

更新日期：1985-12-01 00:00:00

abstract：:Five lacY mutants with amber stop codons at known positions were each placed into 12 different suppressor strains. The 60 amino acid substitutions obtained in this manner were tested for growth on lactose-minimal medium plates and for transport of lactose, melibiose, and thiomethylgalactoside. Most of the amino acid s...

journal_title：Journal of bacteriology

authors： Huang AM,Lee JI,King SC,Wilson TH

更新日期：1992-08-01 00:00:00

abstract：:The expression of the positively charged human protein secretory leukocyte protease inhibitor (SLPI) in Escherichia coli causes severe cellular toxicity. After induction of SLPI synthesis in a high-level-expression strain, SGE61, the growth of the strain is arrested and total protein and RNA synthesis rates decline by...

journal_title：Journal of bacteriology

authors： Miller KW,Evans RJ,Eisenberg SP,Thompson RC

更新日期：1989-04-01 00:00:00

abstract：:Lambda transducing phage gamma 16-2 carries the genes envA, ftsZ, ftsA, ddl, and murC and directs the synthesis of six unique proteins in ultraviolet-irradiated cells. Various derivatives of gamma 16-2 carrying smaller segments of the bacterial deoxyribonucleic acid have also been analyzed for their capacity to direct...

journal_title：Journal of bacteriology

authors： Lutkenhaus JF,Wu HC

更新日期：1980-09-01 00:00:00

abstract：:In order to predict the binding regions within the complex formed by Toll-like receptor 5 (TLR-5) and flagellin, a complementary hydropathy between the two proteins was sought. A region common to the flagellins of Salmonella enterica serovar Typhimurium, Pseudomonas aeruginosa, and Listeria monocytogenes was shown to ...

journal_title：Journal of bacteriology

authors： Jacchieri SG,Torquato R,Brentani RR

更新日期：2003-07-01 00:00:00

abstract：:Desulfurococcus kamchatkensis is an anaerobic organotrophic hyperthermophilic crenarchaeon isolated from a terrestrial hot spring. Its genome consists of a single circular chromosome of 1,365,223 bp with no extrachromosomal elements. A total of 1,474 protein-encoding genes were annotated, among which 205 are exclusive...

journal_title：Journal of bacteriology

authors： Ravin NV,Mardanov AV,Beletsky AV,Kublanov IV,Kolganova TV,Lebedinsky AV,Chernyh NA,Bonch-Osmolovskaya EA,Skryabin KG

更新日期：2009-04-01 00:00:00

abstract：:The autolytic capacity of Streptococcus faecium (S. faecalis ATCC 9790) varied during synchronous cell division. This phenomenon was initially observed in rapidly dividing populations (TD=30 to 33 min) synchronized by a combination of induction and size selection techniques. To minimize the problems inherent in studie...

journal_title：Journal of bacteriology

authors： Hinks RP,Daneo-Moore L,Shockman GD

更新日期：1978-02-01 00:00:00

abstract：:Several biochemical parameters, including that of polyamine content, accompanying the growth of the cyanobacterium Anacystis nidulans were studied. At all stages of growth under autotrophic conditions, the organisms were found to be rich in spermidine and lacking in spermine, as is typical of procaryotic organisms. Th...

journal_title：Journal of bacteriology

authors： Ramakrishna S,Guarino L,Cohen SS

更新日期：1978-06-01 00:00:00

abstract：:Random transposon Tn5 mutagenesis of Bradyrhizobium sp. (Arachis) strain NC92, a member of the cowpea cross-inoculation group, was carried out, and kanamycin-resistant transconjugants were tested for their symbiotic phenotype on three host plants: groundnut, siratro, and pigeonpea. Two nodulation (Nod- phenotype) muta...

journal_title：Journal of bacteriology

authors： Wilson KJ,Anjaiah V,Nambiar PT,Ausubel FM

更新日期：1987-05-01 00:00:00

abstract：:Chloromuconate cycloisomerases of bacteria utilizing chloroaromatic compounds are known to convert 3-chloro-cis,cis-muconate to cis-dienelactone (cis-4-carboxymethylenebut-2-en-4-olide), while usual muconate cycloisomerases transform the same substrate to the bacteriotoxic protoanemonin. Formation of protoanemonin req...

journal_title：Journal of bacteriology

authors： Kaulmann U,Kaschabek SR,Schlömann M

更新日期：2001-08-01 00:00:00

abstract：:The Arc (anoxic redox control) two-component signal transduction system, consisting of the ArcB sensor kinase and the ArcA response regulator, allows adaptive responses of Escherichia coli to changes of O(2) availability. The arcA gene was previously known as the dye gene because null mutants were growth sensitive to ...

journal_title：Journal of bacteriology

authors： Alvarez AF,Malpica R,Contreras M,Escamilla E,Georgellis D

更新日期：2010-01-01 00:00:00

abstract：:We report on the characterization of three new transcription units expressed during sporulation in Bacillus subtilis. Two of the units, cse15 and cse60, were mapped at about 123 degrees and 62 degrees on the genetic map, respectively. Their transcription commenced around h 2 of sporulation and showed an absolute requi...

journal_title：Journal of bacteriology

authors： Henriques AO,Bryan EM,Beall BW,Moran CP Jr

更新日期：1997-01-01 00:00:00

abstract：:Pili isolated from Pseudomonas aeruginosa PAK were solubilized in the detergent octyl-glucoside. Subsequent removal of the detergent by dialysis resulted in the formation of short rods of about 9 nm in diameter and various lengths. The aggregation process was followed by ultracentrifugation, viscometry, and electron m...

journal_title：Journal of bacteriology

authors： Watts TH,Scraba DG,Paranchych W

更新日期：1982-09-01 00:00:00