Regulation of the Streptomyces coelicolor calcium-dependent antibiotic by absA, encoding a cluster-linked two-component system.

abstract：:Mutants deficient in the production of bacteriochlorophyll c (Bchl c) and one mutant lacking colored carotenoids were isolated from the filamentous gliding bacterium Chloroflexus aurantiacus. Mutagenesis was achieved by using UV radiation or N-methyl-N'-nitro-N-nitrosoguanidine. Several clones were isolated that were ...

journal_title：Journal of bacteriology

authors： Pierson BK,Keith LM,Leovy JG

更新日期：1984-07-01 00:00:00

abstract：:The highly purified lipoprotein of the outer membrane of Escherichia coli forms paracrystals. The ultrastructures of these paracrystals were examined by electron microscopy. The needle-shaped paracrystals show several different band patterns, depending on conditions of paracrystallization. Models are presented to expl...

journal_title：Journal of bacteriology

authors： DeMartini M,Inouye S,Inouye M

更新日期：1976-07-01 00:00:00

abstract：:Colonies of S. mutans OMZ61, Streptococcus sp. D182, Staphylococcus aureus Oxford NCTC 6571, and Candida albicans type A, MRL 3153 were grown on various media. Cubes of agar bearing two to three colonies were excised and processed for scanning electron microscopy. The characteristic shape of the colonies was seen when...

journal_title：Journal of bacteriology

authors： Whittaker DK,Drucker DB

更新日期：1970-11-01 00:00:00

abstract：:Transfection of streptococci is reported here for the first time. ...

journal_title：Journal of bacteriology

authors： Parsons CL,Cole RM

更新日期：1973-03-01 00:00:00

abstract：:In a search for genes that produce hypersensitivity to cadmium salts in Escherichia coli, random transposon mutagenesis with TnphoA was used. One of the mutant strains obtained was sensitive to Cd2+ and Zn2+. Sequence analysis showed that the TnphoA insertion was located in the dsbA gene coding for a periplasmic prote...

journal_title：Journal of bacteriology

authors： Rensing C,Mitra B,Rosen BP

更新日期：1997-04-01 00:00:00

abstract：:In a previous paper it was shown that cocultivation of Rhizobium leguminosarum with the plant Vicia sativa subsp. nigra on solid medium causes a changed mode of growth of the plant roots, resulting in thick and short roots (Tsr). The Sym plasmid present in the bacterium appeared to be essential for causing Tsr (A. A. ...

journal_title：Journal of bacteriology

authors： Van Brussel AA,Zaat SA,Cremers HC,Wijffelman CA,Pees E,Tak T,Lugtenberg BJ

更新日期：1986-02-01 00:00:00

abstract：:Escherichia coli sigma70-dependent promoters have typically been characterized as either -10/-35 promoters, which have good matches to both the canonical -10 and the -35 sequences or as extended -10 promoters (TGn/-10 promoters), which have the TGn motif and an excellent match to the -10 consensus sequence. We report ...

journal_title：Journal of bacteriology

authors： Hook-Barnard I,Johnson XB,Hinton DM

更新日期：2006-12-01 00:00:00

abstract：:Cell-free extracts of Thermus thermophilus HB8 catalyze the in vitro, NADH-dependent reduction of potassium tellurite (K2TeO3). Three different protein fractions with tellurite-reducing activities were identified. Two exhibited high molecular weight and were composed of at least two different polypeptides. The protein...

journal_title：Journal of bacteriology

authors： Chiong M,González E,Barra R,Vásquez C

更新日期：1988-07-01 00:00:00

abstract：:Caldwell, D. R. (U.S. Department of Agriculture, Beltsville, Md.), D. C. White, M. P. Bryant, and R. N. Doetsch. Specificity of the heme requirement for growth of Bacteroides ruminicola. J. Bacteriol. 90:1645-1654. 1965.-Previous studies suggested that most strains of Bacteroides ruminicola subsp. ruminicola require h...

journal_title：Journal of bacteriology

authors： Caldwell DR,White DC,Bryant MP,Doetsch RN

更新日期：1965-12-01 00:00:00

abstract：UNLABELLED:Bacteriophage λ N protein binds boxB RNA hairpins in the nut (N utilization) sites of immediate early λ transcripts and interacts with host factors to suppress transcriptional termination at downstream terminators. In opposition to λ N, the Nun protein of HK022 binds the boxBs of coinfecting λ transcripts, i...

journal_title：Journal of bacteriology

authors： Tawk CS,Ghattas IR,Smith CA

更新日期：2015-11-01 00:00:00

abstract：:A 4.2-kb plasmid (pLV22a) native to Bacteroides fragilis LV22 became fused to a transfer-deficient Bacteroides spp.-Escherichia coli shuttle vector by an inverse transposition event, resulting in a transferrable phenotype. The transfer phenotype was attributable to pLV22a, which was also capable of mobilization within...

journal_title：Journal of bacteriology

authors： Novicki TJ,Hecht DW

更新日期：1995-08-01 00:00:00

abstract：:The antibacterial protein Colicin V (ColV) is secreted from gram-negative bacteria by a signal sequence-independent pathway. The proteins that mediate the export of ColV share sequence similarities with components from other signal sequence-independent export systems such as those for alpha-hemolysin (Hly) and Erwinia...

journal_title：Journal of bacteriology

authors： Fath MJ,Skvirsky RC,Kolter R

更新日期：1991-12-01 00:00:00

abstract：:The Escherichia coli adhesin involved in diffuse adherence (AIDA-I) is one of the few glycosylated proteins found in Escherichia coli. Glycosylation is mediated by a specific heptosyltransferase encoded by the aah gene, but little is known about the role of this modification and the mechanism involved. In this study, ...

journal_title：Journal of bacteriology

authors： Charbonneau ME,Girard V,Nikolakakis A,Campos M,Berthiaume F,Dumas F,Lépine F,Mourez M

更新日期：2007-12-01 00:00:00

abstract：:A denitrifying Pseudomonas sp. is able to oxidize aromatic compounds compounds completely to CO2, both aerobically and anaerobically. It is shown that benzoate is aerobically oxidized by a new degradation pathway via benzoyl-coenzyme A (CoA) and 3-hydroxybenzoyl-CoA. The organism grew aerobically with benzoate, 3-hydr...

journal_title：Journal of bacteriology

authors： Altenschmidt U,Oswald B,Steiner E,Herrmann H,Fuchs G

更新日期：1993-08-01 00:00:00

abstract：:We examined 14 multiresistant and 8 ampicillin- or tetracycline-resistant Haemophilus influenzae isolates and 4 ampicillin-resistant H. parainfluenzae isolates for plasmid deoxyribonucleic acid. Sixteen strains carried plasmids. Both "plasmid-free" and plasmid-carrying isolates transferred the antibiotic resistance by...

journal_title：Journal of bacteriology

authors： Roberts MC,Smith AL

更新日期：1980-10-01 00:00:00

abstract：:The aerobic respiratory chain of Escherichia coli can function with either of two different membrane-bound NADH dehydrogenases (NDH-1 and NDH-2) and with either of two ubiquinol oxidases (bd-type and bo-type). The amounts of each of these enzymes present in the E. coli membrane depend on growth conditions in general a...

journal_title：Journal of bacteriology

authors： Calhoun MW,Oden KL,Gennis RB,de Mattos MJ,Neijssel OM

更新日期：1993-05-01 00:00:00

abstract：:Neisseria meningitidis serogroup B strain M986 was examined for the involvement of lipid intermediate(s) participating in the biosynthesis of the sialic acid capsular polysaccharide. The addition of exogenous undecaprenyl phosphate, phosphatidylethanolamine, or phosphatidylglycerol to particulate membranes, in the pre...

journal_title：Journal of bacteriology

authors： Masson L,Holbein BE

更新日期：1985-03-01 00:00:00

abstract：:Vegetative cells and cysts of Azotobacter vinelandii 12837 were prepared for electron microscopy by several methods assumed to preserve structural details destroyed by techniques previously reported in the literature. Examination of large numbers of cells and cysts by these methods revealed four structural details not...

journal_title：Journal of bacteriology

authors： Vela GR,Cagle GD,Holmgren PR

更新日期：1970-11-01 00:00:00

abstract：:Two different 30-nucleotide regions of the cryIAc insecticidal protoxin gene from Bacillus thuringiensis were randomly mutagenized. One region was within one of seven amphipathic helices believed to be important for the formation of ion channels. There was no loss of toxicity for three test insects by any of 27 mutant...

journal_title：Journal of bacteriology

authors： Aronson AI,Wu D,Zhang C

更新日期：1995-07-01 00:00:00

abstract：:Bacteria use three distinct systems for iron-sulfur (Fe/S) cluster biogenesis: the ISC, SUF, and NIF machineries. The ISC and SUF systems are widely distributed, and many bacteria possess both of them. In Escherichia coli, ISC is the major and constitutive system, whereas SUF is induced under iron starvation and/or ox...

journal_title：Journal of bacteriology

authors： Albrecht AG,Netz DJ,Miethke M,Pierik AJ,Burghaus O,Peuckert F,Lill R,Marahiel MA

更新日期：2010-03-01 00:00:00

abstract：:A genomic DNA fragment from Desulfovibrio fructosovorans, which strongly hybridized with the hydAB genes from Desulfovibrio vulgaris Hildenborough, was cloned and sequenced. This fragment was found to contain four genes, named hndA, hndB, hndC, and hndD. Analysis of the sequence homologies indicated that HndA shows 29...

journal_title：Journal of bacteriology

authors： Malki S,Saimmaime I,De Luca G,Rousset M,Dermoun Z,Belaich JP

更新日期：1995-05-01 00:00:00

abstract：:A cyclic version of the Entner-Doudoroff pathway is used by Pseudomonas aeruginosa to metabolize carbohydrates. Genes encoding the enzymes that catabolize intracellular glucose to pyruvate and glyceraldehyde 3-phosphate are coordinately regulated, clustered at 39 min on the chromosome, and collectively form the hex re...

journal_title：Journal of bacteriology

authors： Hager PW,Calfee MW,Phibbs PV

更新日期：2000-07-01 00:00:00

abstract：:The colH gene encoding a collagenase was cloned from Clostridium histolyticum JCM 1403. Nucleotide sequencing showed a major open reading frame encoding a 116-kDa protein of 1,021 amino acid residues. The deduced amino acid sequence contains a putative signal sequence and a zinc metalloprotease consensus sequence, HEX...

journal_title：Journal of bacteriology

authors： Yoshihara K,Matsushita O,Minami J,Okabe A

更新日期：1994-11-01 00:00:00

abstract：:The respiratory metabolism of Schizosaccharomyces pombe 972h(-), a fission, haplontic, "petite negative" yeast, was studied. Glucose and glycerol are good growth substrates and are oxidized under appropriate conditions. l-Lactate, ethanol, malate, and succinate are oxidized but are poor substrates for growth. d-Lactat...

journal_title：Journal of bacteriology

authors： Heslot H,Goffeau A,Louis C

更新日期：1970-10-01 00:00:00

abstract：:Spontaneous, erythromycin-resistant mutants of Thermus thermophilus IB-21 were isolated and found to carry the mutation A2058G in one of two 23S rRNA operons. The heterozygosity of these mutants indicates that A2058G confers a dominant or codominant phenotype in this organism. This mutation provides a valuable tool fo...

journal_title：Journal of bacteriology

authors： Gregory ST,Cate JH,Dahlberg AE

更新日期：2001-07-01 00:00:00

abstract：:We studied the roles of Streptococcus thermophilus phosphogalactosyltransferase (EpsE) (the priming enzyme), tyrosine kinase (EpsD), phosphatase (EpsB), and a membrane-associated protein with no known biochemical function (EpsC) in exopolysaccharide (EPS) synthesis. These proteins are well-conserved among bacteria and...

journal_title：Journal of bacteriology

authors： Minic Z,Marie C,Delorme C,Faurie JM,Mercier G,Ehrlich D,Renault P

更新日期：2007-02-01 00:00:00

abstract：:Nine high copy number mutations of plasmid R6-5, representing five phenotypically distinct groups, have been identified by DNA sequencing. In each mutant plasmid examined, a single nucleotide change was found. The effects of the mutations on possible gene products, and DNA-RNA secondary structure, were analyzed and co...

journal_title：Journal of bacteriology

authors： Brady G,Frey J,Danbara H,Timmis KN

更新日期：1983-04-01 00:00:00

abstract：:The elongation factor Tu, encoded by tuf genes, is a GTP binding protein that plays a central role in protein synthesis. One to three tuf genes per genome are present, depending on the bacterial species. Most low-G+C-content gram-positive bacteria carry only one tuf gene. We have designed degenerate PCR primers derive...

journal_title：Journal of bacteriology

authors： Ke D,Boissinot M,Huletsky A,Picard FJ,Frenette J,Ouellette M,Roy PH,Bergeron MG

更新日期：2000-12-01 00:00:00

abstract：:Glycogen accumulation in Escherichia coli is inversely related to the growth rate and occurs most actively when cells enter the stationary phase. The levels of the three biosynthetic enzymes undergo corresponding changes under these conditions, suggesting that genetic control of enzyme biosynthesis may account for at ...

journal_title：Journal of bacteriology

authors： Romeo T,Preiss J

更新日期：1989-05-01 00:00:00

abstract：:We identified Mg2+-responsive promoters of the phoPQ, mgtA, and mgrB genes of Escherichia coli K-12 by S1 nuclease analysis. Expression of these genes was induced by magnesium limitation and depended on PhoP and PhoQ. The transcription start sites were also determined, which allowed us to find a (T/G)GTTTA direct repe...

journal_title：Journal of bacteriology

authors： Kato A,Tanabe H,Utsumi R

更新日期：1999-09-01 00:00:00