Novel mutation causing derepression of several enzymes of sulfur metabolism in Neurospora crassa.

abstract：:The broad-host-range IncP plasmids RP4, R68.45, RP1::Tn501, and pUB307 were transferred to acidophilic, obligately chemolithotrophic Thiobacillus ferrooxidans from Escherichia coli by conjugation. A genetic marker of kanamycin resistance was expressed in T. ferrooxidans. Plasmid RP4 was transferred back to E. coli fro...

journal_title：Journal of bacteriology

authors： Peng JB,Yan WM,Bao XZ

更新日期：1994-05-01 00:00:00

abstract：:Expression of the catalase-peroxidase of Caulobacter crescentus, a gram-negative member of the alpha subdivision of the Proteobacteria, is 50-fold higher in stationary-phase cultures than in exponential cultures. To identify regulators of the starvation response, Tn5 insertion mutants were isolated with reduced expres...

journal_title：Journal of bacteriology

authors： Rava PS,Somma L,Steinman HM

更新日期：1999-10-01 00:00:00

abstract：:Massetolide A is a cyclic lipopeptide (CLP) antibiotic produced by various Pseudomonas strains from diverse environments. Cloning, sequencing, site-directed mutagenesis, and complementation showed that massetolide A biosynthesis in P. fluorescens SS101 is governed by three nonribosomal peptide synthetase (NRPS) genes,...

journal_title：Journal of bacteriology

authors： de Bruijn I,de Kock MJ,de Waard P,van Beek TA,Raaijmakers JM

更新日期：2008-04-01 00:00:00

abstract：:Pertussis toxin (PT), the major virulence factor of Bordetella pertussis, is composed of five different subunits whose genes are organized as an operon. We report the mapping of the promoter region of the PT operon and show that this promoter is only weakly active in Escherichia coli. Bordetella parapertussis and Bord...

journal_title：Journal of bacteriology

authors： Nicosia A,Rappuoli R

更新日期：1987-06-01 00:00:00

abstract：:Assays of CDP-glycerol:poly(glycerophosphate) glycerophosphotransferase (CGPTase) (EC 2.7.8.12) in membranes isolated from Bacillus subtilis 168 wild type and 11 strains bearing conditional lethal thermosensitive mutations in tagB, tagD, or tagF revealed that CGPTase deficiency was associated only with mutant tagF all...

journal_title：Journal of bacteriology

authors： Pooley HM,Abellan FX,Karamata D

更新日期：1992-01-01 00:00:00

abstract：:We have compared the amino acid incorporating activities of extracts of Escherichia coli and Salmonella typhimurium in in vitro protein-synthesizing systems directed by bacterial messenger ribonucleic acid (mRNA) of both species and by the genomes of coliphages Qbeta and f2. E. coli and S. typhimurium extracts transla...

journal_title：Journal of bacteriology

authors： Bassel BA,Curry ME

更新日期：1973-11-01 00:00:00

abstract：:Spores were isolated from the filamentous cyanobacterium Anabaena cylindrica, and their deoxyribonucleic acid, ribonucleic acid, and protein compositions were determined. ...

journal_title：Journal of bacteriology

authors： Simon RD

更新日期：1977-02-01 00:00:00

abstract：:The vitamin requirements of the group Q streptococci (Streptococcus avium) and the established enterococcal species (S. faecalis and S. faecium) paralleled one another, although S. avium did not characteristically require riboflavine or pyridoxal. S. avium was further differentiated in that it required thymine for gro...

journal_title：Journal of bacteriology

authors： Nowlan SS,Deibel RH

更新日期：1967-08-01 00:00:00

abstract：:Allantoate uptake appears to be mediated by an energy-dependent active transport system with an apparent Michaelis constant of about 50 microM. Cells were able to accumulate allantoate to greater than 3,000 times the extracellular concentration. The rate of accumulation was maximum at pH 5.7 to 5.8. The energy source ...

journal_title：Journal of bacteriology

authors： Turoscy V,Cooper TG

更新日期：1979-12-01 00:00:00

abstract：:A selection procedure is described which permits a large number of Saccharomyces cerevisiae mutants to be screened for specific lesions in mitochondrial respiratory enzymes and the adenosine triphosphatase. The method has been used to isolate nuclear mutant strains with specific lesions in coenzyme QH2-cytochrome c re...

journal_title：Journal of bacteriology

authors： Tzagoloff A,Akai A,Needleman RB

更新日期：1975-06-01 00:00:00

abstract：:Cells colicinogenic for the colicin plasmids E1 or E2 (Col E1 and Col E2, respectively) were selected for a loss of colicin production after infection with bacteriophage Mu. Extrachromosomal deoxyribonucleic acid that was larger than the original colicin plasmids was found in such cells. A small insertion mutant in Co...

journal_title：Journal of bacteriology

authors： Inselburg J

更新日期：1974-08-01 00:00:00

abstract：:Halobacterium halobium spontaneously reverses its swimming direction with a frequency of about 0.1 s-1. The self-sustained periodicity can be entrained by rhythmic light stimuli within a limited range between 0.13 and 0.3 s-1. Increase of temperature increases the reversal frequency and shortens the time to reach maxi...

journal_title：Journal of bacteriology

authors： Schimz A,Hildebrand E

更新日期：1986-05-01 00:00:00

abstract：:Sinorhizobium meliloti can live as a soil saprophyte and can engage in a nitrogen-fixing symbiosis with plant roots. To succeed in such diverse environments, the bacteria must continually adjust gene expression. Transcriptional plasticity in eubacteria is often mediated by alternative sigma (σ) factors interacting wit...

journal_title：Journal of bacteriology

authors： Barnett MJ,Bittner AN,Toman CJ,Oke V,Long SR

更新日期：2012-09-01 00:00:00

abstract：:Enzymological studies were done to characterize the allosteric control of 3-deoxy-d-arabino-heptulosonate 7-phosphate (DAHP) synthetase in three species of Clostridium. Allosteric control was identified as feedback inhibition by phenylalanine and was qualitatively similar for the DAHP synthetases of C. butyricum, C. a...

journal_title：Journal of bacteriology

authors： Jensen RA,Twarog R

更新日期：1972-09-01 00:00:00

abstract：:Mutations in the araC gene of Escherichia coli B/r were isolated which alter both activation of the araBAD operon expression and autoregulation. The mutations were isolated on an araC-containing plasmid by hydroxylamine mutagenesis of plasmid DNA. The mutant phenotype selected was the inability to autoregulate. The DN...

journal_title：Journal of bacteriology

authors： Cass LG,Wilcox G

更新日期：1986-06-01 00:00:00

abstract：:Methanohalophilus strain FDF1 synthesizes beta-glutamine, betaine, and N epsilon-acetyl-beta-lysine as osmoprotective agents when the cells are grown in high external concentrations of NaCl. Nuclear magnetic resonance spectroscopic analyses of 13CH3OH-12CO2 label incorporation by the cells provide information on the b...

journal_title：Journal of bacteriology

authors： Roberts MF,Lai MC,Gunsalus RP

更新日期：1992-10-01 00:00:00

abstract：:After frog auricles have been in contact with a suspension of bacteria or bacteria-free supernatant fluid, newly synthesized bacterial ribonucleic acid (RNA) is recovered in animal cells. It appears that the presence of bacterial deoxyribonucleic acid (DNA)-dependent RNA polymerase is necessary for the transcription o...

journal_title：Journal of bacteriology

authors： Stroun M,Anker P

更新日期：1973-04-01 00:00:00

abstract：:The YidC/OxaI/Alb3 family of membrane proteins is involved in the biogenesis of integral membrane proteins in bacteria, mitochondria, and chloroplasts. Gram-positive bacteria often contain multiple YidC paralogs that can be subdivided into two major classes, namely, YidC1 and YidC2. The Streptococcus mutans YidC1 and ...

journal_title：Journal of bacteriology

authors： Wu ZC,de Keyzer J,Berrelkamp-Lahpor GA,Driessen AJ

更新日期：2013-10-01 00:00:00

abstract：:The impact of arsenite [As(III)] on several levels of cellular metabolism and gene regulation was examined in Pseudomonas aeruginosa. P. aeruginosa isogenic mutants devoid of antioxidant enzymes or defective in various metabolic pathways, DNA repair systems, metal storage proteins, global regulators, or quorum sensing...

journal_title：Journal of bacteriology

authors： Parvatiyar K,Alsabbagh EM,Ochsner UA,Stegemeyer MA,Smulian AG,Hwang SH,Jackson CR,McDermott TR,Hassett DJ

更新日期：2005-07-01 00:00:00

abstract：:Edwards, P. R. (Communicable Disease Center, U.S. Public Health Service, Atlanta, Ga.), R. Sakazaki, and I. Kato. Natural occurrence of four reversible flagellar phases in cultures of Salmonella mikawashima. J. Bacteriol. 84:99-103. 1962-Study of cultures of Salmonella mikawashima isolated from reptiles revealed that ...

journal_title：Journal of bacteriology

authors： EDWARDS PR,SAKAZAKI R,KATO I

更新日期：1962-07-01 00:00:00

abstract：:Caulobacter is a distinctive genus of prosthecate bacteria. Because caulobacters adhere to surfaces and are found in diverse locales, their role in oligotrophic environments and bacterial biofilm communities is of interest. The phylogenetic relationships of a group of marine and freshwater caulobacters were examined i...

journal_title：Journal of bacteriology

authors： Stahl DA,Key R,Flesher B,Smit J

更新日期：1992-04-01 00:00:00

abstract：:The isolation of auxotrophic mutants of Bacillus licheniformis, a microbe containing constitutive beta-lactamase activity, was found to be facilitated by the addition of clavulanic acid and cefotaxime during enrichment. ...

journal_title：Journal of bacteriology

authors： Fields PI,Schreier HJ,Saha AL,Bernlohr RW

更新日期：1984-08-01 00:00:00

abstract：:The translation inhibitor microcin C7 (MccC7) is a linear heptapeptide whose N terminus has been replaced by an N-formyl group and whose C terminus has been replaced by the phosphodiester of 5'-adenylic acid and n-aminopropanol (J. I. Guijarro, J. E. González-Pastor, F. Baleux, J. L. San Millán, M. A. Castilla, M. Ric...

journal_title：Journal of bacteriology

authors： González-Pastor JE,San Millán JL,Castilla MA,Moreno F

更新日期：1995-12-01 00:00:00

abstract：:The ability to respond to ambient pH is critical to the growth and virulence of the fungal pathogen Candida albicans. This response entails the differential expression of several genes affecting morphogenesis. To investigate the mechanism of pH-dependent gene expression, the C. albicans homolog of pacC, designated PRR...

journal_title：Journal of bacteriology

authors： Ramon AM,Porta A,Fonzi WA

更新日期：1999-12-01 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 regulation by two transcriptional activators of flagellar expression (FlhD and FlhC) and the chemotaxis methyl-accepting protein Aer was studied with glass slide DNA microarrays. An flhD::Kan insertion and an aer deletion were independently introduced into two Escherichia coli K-12 strains, and the effects upon ge...

journal_title：Journal of bacteriology

authors： Prüss BM,Campbell JW,Van Dyk TK,Zhu C,Kogan Y,Matsumura P

更新日期：2003-01-01 00:00:00

abstract：:Mutans of Pseudomonas testosteroni were isolated for their inability to grow on m-hydroxybenzoate as sole carbon source. These mutants hydroxylated m-hydroxybenzoate for form 2,3-dihydroxybenzoate in high yeilds. The bioconversion described in this report represents the first reported example of 3-hydroxybenzoate 2-hy...

journal_title：Journal of bacteriology

authors： Daumy GO,McColl AS,Andrews GC

更新日期：1980-01-01 00:00:00

abstract：:Seligman, Stephen J. (University of California, Los Angeles) and William L. Hewitt. Kinetics of the action of ampicillin on Escherichia coli. J. Bacteriol. 85:1160-1164. 1963.-The curve of the number of viable Escherichia coli after exposure to ampicillin can be divided into three phases: a lag phase, a rapid bacteric...

journal_title：Journal of bacteriology

authors： SELIGMAN SJ,HEWITT WL

更新日期：1963-05-01 00:00:00

abstract：:The main chain of teichoic acids can be assembled in cell-free membrane preparations by the transfer of residues from the appropriate nucleotide precursors to an incompletely characterized amphiphilic molecule, lipoteichoic acid carrier (LTC). However, in the cell wall, the main chain is attached to peptidoglycan thro...

journal_title：Journal of bacteriology

authors： McArthur HA,Hancock IC,Baddiley J

更新日期：1981-03-01 00:00:00

abstract：:We identified in Streptococcus mutans six new genes (rgpA through rgpF), whose disruption results in a loss of serotype-specific antigenicity, specified by the glucose side chains of rhamnose-glucose polysaccharide from the cell wall. Rhamnose and glucose content of the cell wall decreased drastically in all these dis...

journal_title：Journal of bacteriology

authors： Yamashita Y,Tsukioka Y,Tomihisa K,Nakano Y,Koga T

更新日期：1998-11-01 00:00:00