Participation of branched-chain amino acid analogues in multivalent repression.

abstract：:A mutant of the yeast Saccharomyces cerevisiae that is deficient in pyruvate kinase activity has been isolated. The mutant strain is capable of growth when supplied with lactate as the carbon source but not capable of growth when supplied with dextrose or other fermentable sugars or glycerol as the carbon source. Gene...

journal_title：Journal of bacteriology

authors： Sprague GF Jr

更新日期：1977-04-01 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：:Recombination studies of bacteria are often carried out with multicopy plasmids, and recombination frequencies are often deduced from the proportion of cells in the population that express a recombinant phenotype. These frequencies should however be called apparent frequencies, since detection of the recombinant cells...

journal_title：Journal of bacteriology

authors： Chédin F,Dervyn R,Ehrlich SD,Noirot P

更新日期：1997-02-01 00:00:00

abstract：:We isolated several new mutator mutations of the Escherichia coli replicative polymerase dnaE subunit alpha and used them and a previously reported dnaE mutation to study spontaneous frameshift and base substitution mutations. Two of these dnaE strains produce many more mutants when grown on rich (Luria-Bertani) than ...

journal_title：Journal of bacteriology

authors： Strauss BS,Roberts R,Francis L,Pouryazdanparast P

更新日期：2000-12-01 00:00:00

abstract：:A mutant of Pseudomonas aeruginosa severely deficient in outer membrane protein F levels was isolated by screening heavily mutagenized strains for membrane protein alterations on sodium dodecyl sulphate-polyacrylamide gel electrophoresis. To provide a basis for phenotypic comparison, three independent spontaneous reve...

journal_title：Journal of bacteriology

authors： Nicas TI,Hancock RE

更新日期：1983-01-01 00:00:00

abstract：:A procedure for the isolation of Bacillus subtilis mutants that appear to be defective in septum synthesis has been described. Fourteen mutants isolated with this technique were found to be located at four distinct loci on the B. subtilis chromosome. These have been designated divA, divB, divC, and divD. The four muta...

journal_title：Journal of bacteriology

authors： Van Alstyne D,Simon MI

更新日期：1971-12-01 00:00:00

abstract：:Fusidic acid or chloramphenicol was used to inhibit peptide synthesis to 1% of normal in Escherichia coli B, strain AS19. After 10 min of inhibition, peptide synthesis could be quickly restored to 80% of the normal rate after washing the bacteria on a filter. However, even in the presence of adenosine 3'-5'-cyclic-mon...

journal_title：Journal of bacteriology

authors： Pastushok C,Kennell D

更新日期：1974-02-01 00:00:00

abstract：:The MurNAc etherase MurQ of Escherichia coli is essential for the catabolism of the bacterial cell wall sugar N-acetylmuramic acid (MurNAc) obtained either from the environment or from the endogenous cell wall (i.e., recycling). High-level expression of murQ is required for growth on MurNAc as the sole source of carbo...

journal_title：Journal of bacteriology

authors： Jaeger T,Mayer C

更新日期：2008-10-01 00:00:00

abstract：:Respiratory nitrate reductase purified from the cell membrane of Escherichia coli is composed of three subunits, alpha, beta, and gamma, which are encoded, respectively, by the narG, narH, and narI genes of the narGHJI operon. The product of the narJ gene was deduced previously to be a highly charged, acidic protein w...

journal_title：Journal of bacteriology

authors： Dubourdieu M,DeMoss JA

更新日期：1992-02-01 00:00:00

abstract：:Cystic fibrosis (CF) patients are highly susceptible to chronic pulmonary disease caused by mucoid Pseudomonas aeruginosa strains that overproduce the exopolysaccharide alginate. We showed here that a mutation in zwf, encoding glucose-6-phosphate dehydrogenase (G6PDH), leads to a approximately 90% reduction in alginat...

journal_title：Journal of bacteriology

authors： Silo-Suh L,Suh SJ,Phibbs PV,Ohman DE

更新日期：2005-11-01 00:00:00

abstract：:The binding of iron-loaded human transferrin at the surface of Neisseria meningitidis is mediated by two polypeptides, Tbp1 and Tbp2. Predicted Tbp amino acid sequences from N. meningitidis strains are highly divergent. This variability is particularly pronounced throughout the Tbp2 polypeptide. In this study, a highl...

journal_title：Journal of bacteriology

authors： Vonder Haar RA,Legrain M,Kolbe HV,Jacobs E

更新日期：1994-10-01 00:00:00

abstract：:The nucleotide sequence of the agp gene, which encodes a periplasmic glucose-1-phosphatase, was determined. The deduced amino acid sequence corresponds to a 413-amino-acid-residue polypeptide with a typical hydrophobic signal sequence of 22 amino acids. The mature protein lacks the N-terminal signal peptide and has a ...

journal_title：Journal of bacteriology

authors： Pradel E,Marck C,Boquet PL

更新日期：1990-02-01 00:00:00

abstract：:Ferric reductase activity was examined in Azotobacter vinelandii and was found to be located in the cytoplasm. The specific activities of soluble cell extracts were not affected by the iron concentration of the growth medium; however, activity was inhibited by the presence of Zn2+ during cell growth and also by the ad...

journal_title：Journal of bacteriology

authors： Huyer M,Page WJ

更新日期：1989-07-01 00:00:00

abstract：:Haloarchaea in their natural environment are exposed to hypersalinity, intense solar radiation, and desiccation, all of which generate high levels of oxidative stress. Previous work has shown that haloarchaea are an order of magnitude more resistant to oxidative stress than most mesophilic organisms. Despite this resi...

journal_title：Journal of bacteriology

authors： Gelsinger DR,DiRuggiero J

更新日期：2018-04-09 00:00:00

abstract：:Through use of multiply disomic strains, the genes arg1 and arg8 were excluded from all of chromosomes I to XVII except (i) XV and (ii) IX and XV, respectively. Further aneuploid analyses showed that these two genes were on the same chromosome. By tetrad analysis, arg1 was shown to be linked to SUP3 on the left arm of...

journal_title：Journal of bacteriology

authors： Hilger F,Mortimer RK

更新日期：1980-01-01 00:00:00

abstract：:Western (immunoblot) analysis using Escherichia coli anti-RecA antiserum revealed that expression of the RecA protein of Pseudomonas aeruginosa PAO is induced upon exposure of the bacterium to UV irradiation or norfloxacin, a quinolone related to nalidixic acid. ...

journal_title：Journal of bacteriology

authors： Miller RV,Kokjohn TA

更新日期：1988-05-01 00:00:00

abstract：:Plasmid pE194 has been shown to be rescued by integration after cultivation of infected Bacillus subtilis recE4 cells at a restrictive high temperature. The plasmid is also spontaneously excised from the chromosome at a low frequency by precise or imprecise excision (J. Hofemeister, M. Israeli-Reches, and D. Dubnau, M...

journal_title：Journal of bacteriology

authors： Conrad B,Bashkirov VI,Hofemeister J

更新日期：1992-11-01 00:00:00

abstract：:From the marine sponge Halichondria panicea a lectin was isolated and characterized. The homogeneous lectin (composed of protein to 80.7% and of neutral carbohydrates to 14.1%) had a molecular weight of 78,000 (determined by gel filtration) and consisted of four subunits with a molecular weight of 21,000 each (determi...

journal_title：Journal of bacteriology

authors： Müller WE,Zahn RK,Kurelec B,Lucu C,Müller I,Uhlenbruck G

更新日期：1981-01-01 00:00:00

abstract：:Elongation factor Tu (EF-Tu), encoded by tuf genes, carries aminoacyl-tRNA to the ribosome during protein synthesis. Duplicated tuf genes (tufA and tufB), which are commonly found in enterobacterial species, usually coevolve via gene conversion and are very similar to one another. However, sequence analysis of tuf gen...

journal_title：Journal of bacteriology

authors： Isabel S,Leblanc E,Boissinot M,Boudreau DK,Grondin M,Picard FJ,Martel EA,Parham NJ,Chain PS,Bader DE,Mulvey MR,Bryden L,Roy PH,Ouellette M,Bergeron MG

更新日期：2008-11-01 00:00:00

abstract：:Bacillus brevis HPD31 contains a surface (S)-layer protein, termed the HWP, which forms a hexagonal array in the cell wall. The 5' region of the HWP gene was isolated from a DNA library constructed in bacteriophage vector EMBL3 from a partial BamHI digest of the chromosomal DNA. The 3' region contained in a 2.7-kiloba...

journal_title：Journal of bacteriology

authors： Ebisu S,Tsuboi A,Takagi H,Naruse Y,Yamagata H,Tsukagoshi N,Udaka S

更新日期：1990-03-01 00:00:00

abstract：:Lactobacillus rhamnosus R0011 is a commercially available probiotic that is widely used in human dietary supplements and pharmaceutical products. We prepared a draft genome sequence consisting of 10 contigs totaling 2,900,620 bases and a G+C content of 46.7% for this strain. ...

journal_title：Journal of bacteriology

authors： Tompkins TA,Barreau G,de Carvalho VG

更新日期：2012-02-01 00:00:00

abstract：:We examined the role of bacteriochlorophyll synthesis on the regulation of carotenoid synthesis in Rhodopseudomonas capsulata. Strains capable of making bacteriochlorophyll accumulated greater amounts of carotenoids under low oxygen than they did under high oxygen. However, strains unable to produce bacteriochlorophyl...

journal_title：Journal of bacteriology

authors： Biel AJ,Marrs BL

更新日期：1985-06-01 00:00:00

abstract：:The prokaryotic transposable element Tn5 has been found to promote the formation of adjacent deletions. The frequency of adjacent deletion formation is much lower than that of normal transposition events. Like normal transposition, however, adjacent deletion formation requires the activity of the transposase protein. ...

journal_title：Journal of bacteriology

authors： Jilk RA,Makris JC,Borchardt L,Reznikoff WS

更新日期：1993-03-01 00:00:00

abstract：:Plasmid Rms312, specifying resistance to tetracycline (Tc), chloramphenicol (Cm), streptomycin (Sm), sulfonamide (Su), and mercury chloride (Mer), deletes both Tc and Cm Sm Su Mer determinants at a high frequency in Salmonella typhimurium LT2. S. typhimurium mutants that were stable carriers of Rms312 were isolated by...

journal_title：Journal of bacteriology

authors： Watanabe H,Hashimoto H,Mitsuhashi S

更新日期：1980-04-01 00:00:00

abstract：:Mycoplasma virus L2 is subject to host-specific restriction and modification in Acholeplasma laidlawii strains JA1 and K2. We have examined the DNAs from both host cells and viruses propagated on these strains with respect to susceptibility to cleavage by restriction endonucleases and for DNA base modifications. We sh...

journal_title：Journal of bacteriology

authors： Dybvig K,Swinton D,Maniloff J,Hattman S

更新日期：1982-09-01 00:00:00

abstract：:We report the draft genome sequence of methicillin-resistant Staphylococcus aureus (MRSA) strain ST672, an emerging disease clone in India, from a septicemia patient. The genome size is about 2.82 Mb with 2,485 open reading frames (ORFs). The staphylococcal cassette chromosome mec (SCCmec) element (type V) and immune ...

journal_title：Journal of bacteriology

authors： Khedkar S,Prabhakara S,Loganathan RM,S C,Gowda M,Arakere G,Seshasayee AS

更新日期：2012-12-01 00:00:00

abstract：:We investigated the capacity of the hyperthermophile Pyrococcus furiosus for DNA repair by measuring survival at high levels of 60Co gamma-irradiation. The P. furiosus 2-Mb chromosome was fragmented into pieces ranging from 500 kb to shorter than 30 kb at a dose of 2,500 Gy and was fully restored upon incubation at 95...

journal_title：Journal of bacteriology

authors： DiRuggiero J,Santangelo N,Nackerdien Z,Ravel J,Robb FT

更新日期：1997-07-01 00:00:00

abstract：:Atractyloside and carboxyatractyloside partially inhibited nitrogenase activity (acetylene reduction) by isolated vesicles of Frankia strain EAN1pec. Extracts of disrupted vesicles showed nitrogenase activity that was not affected by the inhibitors. The vesicles accumulated ATP by an atractyloside-sensitive mechanism....

journal_title：Journal of bacteriology

authors： Tisa LS,Ensign JC

更新日期：1988-07-01 00:00:00

abstract：:The synthesis and export of aerolysin, an extracellular protein toxin released by the gram-negative bacterium Aeromonas hydrophila, was studied by pulse-labeling with [35S]methionine. The toxin was synthesized as a higher-molecular-weight precursor. This was processed cotranslationally, resulting in the appearance wit...

journal_title：Journal of bacteriology

authors： Howard SP,Buckley JT

更新日期：1985-03-01 00:00:00

abstract：:The mutations of eight chemotaxis-deficient strains of Salmonella typhimurium, including five new mutants in strain LT2, were mapped by P22 transduction in relation to various fla mot deletions in S. abortus-equi. Seven recessive che mutations mapped between motB and flaC: three, all nontumbling, the che region I, adj...

journal_title：Journal of bacteriology

authors： Collins AL,Stocker BA

更新日期：1976-12-01 00:00:00