Aerobactin utilization by Neisseria gonorrhoeae and cloning of a genomic DNA fragment that complements Escherichia coli fhuB mutations.

abstract：:Binding of uncharged tRNA to the nascent transcript promotes readthrough of a leader region transcription termination signal in genes regulated by the T box transcription antitermination mechanism. Each gene in the T box family responds independently to its cognate tRNA, with specificity determined by base pairing of ...

journal_title：Journal of bacteriology

authors： Grundy FJ,Henkin TM

更新日期：2004-08-01 00:00:00

abstract：:Saccharomyces cerevisiae was grown in a continuous culture at a single dilution rate with input ammonia concentrations whose effects ranged from nitrogen limitation to nitrogen excess and glucose limitation. The rate of ammonia assimilation (in millimoles per gram of cells per hour) was approximately constant. Increas...

journal_title：Journal of bacteriology

authors： ter Schure EG,Silljé HH,Verkleij AJ,Boonstra J,Verrips CT

更新日期：1995-11-01 00:00:00

abstract：:The arginine biosynthetic precursors, ornithine, citrulline, and argininosuccinate, inhibit arginyl-transfer ribonucleic acid (tRNA) synthetase (EC 6.1.1.13, arginine: soluble RNA ligase, adenosine monophosphate) activity in the in vitro attachment assay system. Ornithine is the most potent, argininosuccinate is next,...

journal_title：Journal of bacteriology

authors： Yem DW,Williams LS

更新日期：1971-08-01 00:00:00

abstract：:Campylobacter jejuni, a microaerophilic bacterium, is the most frequent cause of human bacterial gastroenteritis. C. jejuni is exposed to harmful reactive oxygen species (ROS) produced during its own normal metabolic processes and during infection from the host immune system and from host intestinal microbiota. These ...

journal_title：Journal of bacteriology

authors： Flint A,Sun YQ,Stintzi A

更新日期：2012-01-01 00:00:00

abstract：:The first common enzyme of isoleucine and valine biosynthesis, acetolactate synthase (ALS), is specifically inhibited by the herbicide sulfometuron methyl (SM). To further understand the physiological consequences of flux alterations at this point in metabolism, Escherichia coli genes whose expression was induced by p...

journal_title：Journal of bacteriology

authors： Van Dyk TK,Ayers BL,Morgan RW,Larossa RA

更新日期：1998-02-01 00:00:00

abstract：:Pigmentation mutants of Pseudomonas aeruginosa, selected by observed visual differences in coloration from the wild-type strain, were examined for altered patterns of phenazine synthesis. Three classes of mutants that were incapable of pyocyanine production were identified. Pigmentation patterns that were found to cha...

journal_title：Journal of bacteriology

authors： Byng GS,Eustice DC,Jensen RA

更新日期：1979-06-01 00:00:00

abstract：:Clinical "superbug" isolates of Pseudomonas aeruginosa were previously observed to be resistant to several antibiotics, including polymyxin B, and/or to have a distinct, reproducible adaptive polymyxin resistance phenotype, identified by observing "skipped" wells (appearance of extra turbid wells) during broth microdi...

journal_title：Journal of bacteriology

authors： Boyle B,Fernandez L,Laroche J,Kukavica-Ibrulj I,Mendes CM,Hancock RW,Levesque RC

更新日期：2012-01-01 00:00:00

abstract：:Protein K is an outer membrane protein found in pathogenic encapsulated strains of Escherichia coli. We present evidence here that protein K is structurally and functionally related to the E. coli K-12 porin proteins (OmpF, OmpC, and PhoE). Protein K was found to cross-react with antibody to OmpF protein and to share ...

journal_title：Journal of bacteriology

authors： Sutcliffe J,Blumenthal R,Walter A,Foulds J

更新日期：1983-11-01 00:00:00

abstract：:Nitrogenase activities were determined from maximum acetylene reduction rates for mutant strains of Azotobacter vinelandii which are unable to fix N2 in the presence of molybdenum (Nif-) but undergo phenotypic reversal to Nif+ under conditions of Mo deficiency. The system responsible for N2 fixation under these condit...

journal_title：Journal of bacteriology

authors： Bishop PE,Jarlenski DM,Hetherington DR

更新日期：1982-06-01 00:00:00

abstract：:The synthesis of cytosine deaminase in Salmonella typhimurium is repressed by pyrimidines. This repression is mediated by both a uridine and a cytidine compound, indicating a distinct difference in the regulation of synthesis of cytosine deaminase from the regulation of the de novo pyrimidine pathway enzymes. A salvag...

journal_title：Journal of bacteriology

authors： West TP,O'Donovan GA

更新日期：1982-03-01 00:00:00

abstract：:A novel phenotype is described for Escherichia coli K-12 carrying the prlA4 allele determining a membrane component of the protein export mechanism. It is manifest as transformation deficiency for plasmids containing the cloned group C streptococcal streptokinase gene, skc. Streptokinase plasmid mutations relieving th...

journal_title：Journal of bacteriology

authors： Müller J,Reinert H,Malke H

更新日期：1989-04-01 00:00:00

abstract：:The messenger ribonucleic acid (mRNA) pattern of log-phase and sporulating cells of Bacillus subtilis has been analyzed by deoxyribonucleic acid (DNA)-RNA hybrid studies with the complementary-strand fragments of DNA. Approximately 80% of the mRNA of log-phase and sporulating cells from stages I, III, and IV hybridize...

journal_title：Journal of bacteriology

authors： Sumida-Yasumoto C,Doi RH

更新日期：1974-02-01 00:00:00

abstract：:In this study, we show that Salmonella produces an O-antigen capsule coregulated with the fimbria- and cellulose-associated extracellular matrix. Structural analysis of purified Salmonella extracellular polysaccharides yielded predominantly a repeating oligosaccharide unit similar to that of Salmonella enterica serova...

journal_title：Journal of bacteriology

authors： Gibson DL,White AP,Snyder SD,Martin S,Heiss C,Azadi P,Surette M,Kay WW

更新日期：2006-11-01 00:00:00

abstract：:DNA sequence analysis of the modABCD operon of Escherichia coli revealed the presence of four open reading frames. The first gene, modA, codes for a 257-amino-acid periplasmic binding protein enunciated by the presence of a signal peptide-like sequence. The second gene (modB) encodes a 229-amino-acid protein with a po...

journal_title：Journal of bacteriology

authors： Maupin-Furlow JA,Rosentel JK,Lee JH,Deppenmeier U,Gunsalus RP,Shanmugam KT

更新日期：1995-09-01 00:00:00

abstract：:We have identified an analog of SspB, the proteolytic adaptor for transfer-messenger RNA (tmRNA)-tagged proteins, in Caulobacter crescentus. C. crescentus SspB shares limited sequence similarity with Escherichia coli SspB but binds the tmRNA tag in vitro and is required for optimal proteolysis of tagged proteins in vi...

journal_title：Journal of bacteriology

authors： Lessner FH,Venters BJ,Keiler KC

更新日期：2007-01-01 00:00:00

abstract：:Aspergillus fumigatus secretes a number of glycosidases into the culture medium when the cells are grown in a mineral salts medium containing guar flour (a galactomannan) as the carbon source. At least some of these glycosidases have been reported to be glycoproteins having N-linked oligosaccharides. In this study, we...

journal_title：Journal of bacteriology

authors： Elbein AD,Mitchell M,Molyneux RJ

更新日期：1984-10-01 00:00:00

abstract：:Quorum sensing control mediated by N-acyl homoserine lactone (AHL) signaling molecules has been established as a key feature of the regulation of exoenzyme production in many gram-negative bacteria. In Chromobacterium violaceum ATCC 31532 a number of phenotypic characteristics, including production of the purple pigme...

journal_title：Journal of bacteriology

authors： Chernin LS,Winson MK,Thompson JM,Haran S,Bycroft BW,Chet I,Williams P,Stewart GS

更新日期：1998-09-01 00:00:00

abstract：:Cryptococcus neoformans is an important pathogenic fungus that has been classified as a basidiomycete. Little is known of the molecular genetics of this fungal pathogen. To begin such studies, we devised a procedure for extraction of DNA from cryptococci; this method involved the use of the cell wall-active enzyme Nov...

journal_title：Journal of bacteriology

authors： Restrepo BI,Barbour AG

更新日期：1989-10-01 00:00:00

abstract：:Phage KB1 has gained use as a generalized transducing phage for Salmonella typhimurium, including strains resistant to phage P22. Integration-defective mutants of KB1 have now been isolated; one of these, int-1, is recommended for transduction when nonlysogenic recombinants are desired. ...

journal_title：Journal of bacteriology

authors： McIntire SA

更新日期：1974-02-01 00:00:00

abstract：:Spirillum lipoferum grows vigorously on malate, succinate, lactate, or pyruvate, moderately on galactose or acetate, and poorly on glucose or citrate. It reduces 15N2. Acetylene reduction rates decrease rapidly when the pH of the culture rises above 7.8. The organism is highly aerobic and had doubling times as low as ...

journal_title：Journal of bacteriology

authors： Okon Y,Albrecht SL,Burris RH

更新日期：1976-09-01 00:00:00

abstract：:Hasenclever, H. F. (U. S. Public Health Service, Bethesda, Md.), William O. Mitchell, and Joseph Loewe. Antigenic studies of Candida. II. Antigenic relation of Candida albicans group A and group B to Candida stellatoidea and Candida tropicalis. J. Bacteriol. 82:574-577. 1961.-Previous work in our laboratory has shown ...

journal_title：Journal of bacteriology

authors： HASENCLEVER HF,MITCHELL WO,LOEWE J

更新日期：1961-10-01 00:00:00

abstract：:The presence of phospho-beta-glucosidases and beta-glucoside permeases was found in strains of Streptococcus, Bacillus, and Staphylococcus. In streptococci, the phospho-beta-glucosidase activity depends on the antigenic group. The highest activity was found in strains of group D. In group D strains, phospho-beta-gluco...

journal_title：Journal of bacteriology

authors： Schaefler S,Malamy A,Green I

更新日期：1969-08-01 00:00:00

abstract：:Two proteins that bind penicillin were observed in Escherichia coli infected with lambda phages 141, 142, 650, and 651 from the Kohara genomic library. These phages carry chromosomal DNA fragments that do not contain any known penicillin binding protein (PBP) genes, indicating that unrecognized gene products were exhi...

journal_title：Journal of bacteriology

authors： Henderson TA,Young KD,Denome SA,Elf PK

更新日期：1997-10-01 00:00:00

abstract：:The gene coding for sorbitol dehydrogenase (SDH) of Rhodobacter sphaeroides Si4 was located 55 nucleotides upstream of the mannitol dehydrogenase gene (mtlK) within a previously unrecognized polyol operon. This operon probably consists of all the proteins necessary for transport and metabolization of various polyols. ...

journal_title：Journal of bacteriology

authors： Stein MA,Schäfer A,Giffhorn F

更新日期：1997-10-01 00:00:00

abstract：:Amino acid transport rates and amino acid binding proteins were examined in a strain containing the rho-120 mutation (formerly SuA), which has been shown to lower the rho-dependent, ribonucleic acid-activated adenosine triphosphatase activity to 9% of the rho activity in the isogenic wild-type strain. Tryptophan and p...

journal_title：Journal of bacteriology

authors： Quay SC,Oxender DL

更新日期：1977-06-01 00:00:00

abstract：:Quorum sensing is involved in the regulation of multicellular behavior through communication via small molecules. Given the high number and diversity of the gastrointestinal microbiota, it is postulated that members of this community communicate to coordinate a variety of adaptive processes. AI-2 is suggested to be a ...

journal_title：Journal of bacteriology

authors： Lebeer S,De Keersmaecker SC,Verhoeven TL,Fadda AA,Marchal K,Vanderleyden J

更新日期：2007-02-01 00:00:00

abstract：:When ratios of the major polypeptides of the outer membrane isolated from cells of Escherichia coli B grown in minimal medium containing either a single amino acid or several amino acids were compared, no difference was observed. However, the ratio of these polypeptides in outer membrane material released into the med...

journal_title：Journal of bacteriology

authors： Loeb MR,Kilner J

更新日期：1979-02-01 00:00:00

abstract：:In Escherichia coli, rotation of the flagellar motor has been shown to depend upon electrostatic interactions between charged residues of the stator protein MotA and the rotor protein FliG. These charged residues are conserved in the Na+-driven polar flagellum of Vibrio alginolyticus, but mutational studies in V. algi...

journal_title：Journal of bacteriology

authors： Yakushi T,Yang J,Fukuoka H,Homma M,Blair DF

更新日期：2006-02-01 00:00:00

abstract：:A beta-1,4-xylan hydrolase (xylanase A) produced by Erwinia chrysanthemi D1 isolated from corn was analyzed with respect to its secondary structure and enzymatic function. The pH and temperature optima for the enzyme were found to be pH 6.0 and 35 degrees C, with a secondary structure under those conditions that consi...

journal_title：Journal of bacteriology

authors： Hurlbert JC,Preston JF 3rd

更新日期：2001-03-01 00:00:00

abstract：:The properties of the anthranilate synthetase complex and its separated subunits were compared in catalyzing the anthranilate synthetase reaction, chorismate + l-glutamine or NH(4) (+) --> anthranilate, and the transferase reaction, anthranilate + 5'-phosphorylribosyl-1-pyrophosphate --> phosphoribosyl anthranilate. I...

journal_title：Journal of bacteriology

authors： Ito J,Yanofsky C

更新日期：1969-02-01 00:00:00