Nucleotide sequence of Escherichia coli pabB indicates a common evolutionary origin of p-aminobenzoate synthetase and anthranilate synthetase.

abstract：:Purified bulk tRNA from Methanococcus vanielii (carbon source, formate) showed variation in the modified nucleoside pattern reported for Escherichia coli as analyzed by both ion-exchange and thin-layer chromatography. Ribothymidine and 7-methylguanosine were absent; 1-methyladenosine, 1-methylguanosine, N2-methylguano...

journal_title：Journal of bacteriology

authors： Best AN

更新日期：1978-01-01 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：:Whole-genome sequence analysis of Mycobacterium leprae has revealed a limited number of protein-coding genes, with half of the genome composed of pseudogenes and noncoding regions. We previously showed that some M. leprae pseudogenes are transcribed at high levels and that their expression levels change following infe...

journal_title：Journal of bacteriology

authors： Akama T,Suzuki K,Tanigawa K,Kawashima A,Wu H,Nakata N,Osana Y,Sakakibara Y,Ishii N

更新日期：2009-05-01 00:00:00

abstract：:Previously, we identified a gene (aldA) from Myxococcus xanthus, which we suggested encoded the enzyme alanine dehydrogenase on the basis of similarity to known Ald protein sequences (M. J. Ward, H. Lew, A. Treuner-Lange, and D. R. Zusman, J. Bacteriol. 180:5668-5675, 1998). In this study, we have confirmed that aldA ...

journal_title：Journal of bacteriology

authors： Ward MJ,Lew H,Zusman DR

更新日期：2000-01-01 00:00:00

abstract：:A stereospecific enzyme activity capable of cleaving the amide bond of the synthetic substrate N-benzoyl-D-arginine-p-nitroanilide (D-BAPA) has been found in all aerobic and anaerobic members of the family Bacillaceae tested by us. Cells of nonsporeforming gram-positive or gram-negative bacteria contain a hydrolase ac...

journal_title：Journal of bacteriology

authors： Gofshtein-Gandman LV,Keynan A,Milner Y

更新日期：1988-12-01 00:00:00

abstract：:In this report we describe the cloning, organization, and promoter analysis of the Staphylococcus aureus thioredoxin (trxA) and thioredoxin reductase (trxB) genes and their transcription in response to changes in oxygen concentration and to oxidative stress compounds. Northern analysis showed that the S. aureus trxA a...

journal_title：Journal of bacteriology

authors： Uziel O,Borovok I,Schreiber R,Cohen G,Aharonowitz Y

更新日期：2004-01-01 00:00:00

abstract：:Cultures of a stable L-phase variant of Streptococcus faecium F24 produced and retained peptidoglycan precursors intracellularly over the entire growth cycle in a chemically defined medium. The identity of the most abundant precursor, UDP N-acetylmuramyl-L-alanyl-D-glutamyl-L-lysyl-D-alanyl-D-alanine (UDP-MurNAc-penta...

journal_title：Journal of bacteriology

authors： Gregory WW,Gooder H

更新日期：1978-09-01 00:00:00

abstract：:The nucleotide sequence of the pathogenic spirochete Brachyspira hyodysenteriae bit (for "Brachyspira iron transport") genomic region has been determined. The bit region is likely to encode an iron ATP-binding cassette transport system with some homology to those encountered in gram-negative bacteria. Six open reading...

journal_title：Journal of bacteriology

authors： Dugourd D,Martin C,Rioux CR,Jacques M,Harel J

更新日期：1999-11-01 00:00:00

abstract：:Horizontal gene transfer by conjugation plays a major role in bacterial evolution, allowing the acquisition of new traits, such as virulence and resistance to antibacterial agents. With the increased antibiotic resistance in bacterial pathogens, a better understanding of how bacteria modulate conjugation under changin...

journal_title：Journal of bacteriology

authors： Grace ED,Gopalkrishnan S,Girard ME,Blankschien MD,Ross W,Gourse RL,Herman C

更新日期：2015-03-01 00:00:00

abstract：:Osmotic stress was found to induce biofilm formation in a Staphylococcus aureus mucosal isolate. Inactivation of a global regulator of the bacterial stress response, the alternative transcription factor sigma(B), resulted in a biofilm-negative phenotype and loss of salt-induced biofilm production. Complementation of t...

journal_title：Journal of bacteriology

authors： Rachid S,Ohlsen K,Wallner U,Hacker J,Hecker M,Ziebuhr W

更新日期：2000-12-01 00:00:00

abstract：:A nonpathogenic mutant of Erwinia carotovora obtained by Mu d1 mutagenesis was defective in the ability to utilize several carbon sources. The basis of the mutation was analyzed biochemically and shown to be a defect in the ability to form UDP glucose-pyrophosphorylase. The nonpathogenic phenotype of the mutant was ca...

journal_title：Journal of bacteriology

authors： Jayaswal RK,Bressan RA,Handa AK

更新日期：1985-10-01 00:00:00

abstract：:Type III secretion is used by many gram-negative bacterial pathogens to directly deliver protein toxins (effectors) into targeted host cells. In all cases, secretion of effectors is triggered by host cell contact, although the mechanism is unclear. In Pseudomonas aeruginosa, expression of all type III secretion-relate...

journal_title：Journal of bacteriology

authors： Cisz M,Lee PC,Rietsch A

更新日期：2008-04-01 00:00:00

abstract：:Two types of adhesive fimbriae are expressed by Actinomyces; however, the architecture and the mechanism of assembly of these structures remain poorly understood. In this study we characterized two fimbrial gene clusters present in the genome of Actinomyces naeslundii strain MG-1. By using immunoelectron microscopy an...

journal_title：Journal of bacteriology

authors： Mishra A,Das A,Cisar JO,Ton-That H

更新日期：2007-04-01 00:00:00

abstract：:Biofilm formation was repressed by glucose in several species of Enterobacteriaceae. In Escherichia coli, this effect was mediated at least in part by cyclic AMP (cAMP)-cAMP receptor protein. A temporal role for cAMP in biofilm development was indicated by the finding that glucose addition after approximately 24 h fai...

journal_title：Journal of bacteriology

authors： Jackson DW,Simecka JW,Romeo T

更新日期：2002-06-01 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：:Biochemical events which occur during macroconidial germination have been studied in the dermatophyte Microsporum gypseum. The specific activity levels of various metabolic enzymes have been assayed during germination time periods. The accumulated levels of several of these enzymes, as a function of exogenous carbohyd...

journal_title：Journal of bacteriology

authors： Leighton TJ,Stock JJ,Kelln RA

更新日期：1970-08-01 00:00:00

abstract：:Ragland, T. E. (Brandeis University, Waltham, Mass.), T. Kawasaki, and J. M. Lowenstein. Comparative aspects of some bacterial dehydrogenases and transhydrogenases. J. Bacteriol. 91:236-244. 1966.-Twenty-eight diverse bacterial species were surveyed for the activities and coenzyme specificities of four enzymes: isocit...

journal_title：Journal of bacteriology

authors： Ragland TE,Kawasaki T,Lowenstein JM

更新日期：1966-01-01 00:00:00

abstract：:Archaeal transcriptional machinery is similar to that of eukaryotes. We studied the fates of various components of the Sulfolobus solfataricus transcriptional apparatus under different stresses and found that in cells incubated at 90 degrees C for 1 h, transcription factor E (TFE) is selectively depleted, but its mRNA...

journal_title：Journal of bacteriology

authors： Iqbal J,Qureshi SA

更新日期：2010-06-01 00:00:00

abstract：:Undomesticated strains of Bacillus subtilis exhibit extensive colony spreading on certain soft agarose media: first the formation of dendritic clusters of cells, followed by spreading (pellicle-like) growth to cover the entire surface. These phases of colonization are dependent on the level of potassium ion (K(+)) but...

journal_title：Journal of bacteriology

authors： Kinsinger RF,Kearns DB,Hale M,Fall R

更新日期：2005-12-01 00:00:00

abstract：:When dl-isoleucine was added to an ammonium nitrate-maltose medium during cultivation of Streptomyces sp. 732, quinomycin B formation was selectively enhanced (from 3 to 70% of the quinomycin mixture) and quinomycin C synthesis was inhibited completely. In addition, two new quinomycins, designated quinomycins D and E,...

journal_title：Journal of bacteriology

authors： Yoshida T,Katagiri K

更新日期：1967-04-01 00:00:00

abstract：:Three independently isolated metK mutants have been shown to have leisions lying between speB and glc near 57 min on the Escherichia coli chromosome. Two deletions result in a lack of the metC gene product but neither extends into the metK glc region. The three metK mutations are recessive to the wild-type allele carr...

journal_title：Journal of bacteriology

authors： Hunter JS,Greene RC,Su CH

更新日期：1975-06-01 00:00:00

abstract：:The Dps-like peroxide resistance protein (Dpr) is essential for H2O2 stress tolerance and aerobic growth of the oral pathogen Streptococcus mutans Dpr accumulates during oxidative stress, protecting the cell by sequestering iron ions and thereby preventing the generation of toxic hydroxyl radicals that result from the...

journal_title：Journal of bacteriology

authors： Ganguly T,Kajfasz JK,Miller JH,Rabinowitz E,Galvão LCC,Rosalen PL,Abranches J,Lemos JA

更新日期：2018-06-25 00:00:00

abstract：:Mushin, Rose (University of Melbourne, Victoria, Australia) and Frances M. Ashburner. Gastrointestinal microflora of mutton birds (Puffinus tenuirostris) in relation to "limy" disease. J. Bacteriol. 83:1260-1267. 1962.-The aerobic bacterial intestinal flora of mutton birds, healthy and affected with "limy" disease, wa...

journal_title：Journal of bacteriology

authors： MUSHIN R,ASHBURNER FM

更新日期：1962-06-01 00:00:00

abstract：:The polar pili of Pseudomonas aeruginosa are composed of subunits encoded by the pilA gene. Expression of pilA requires the alternative sigma factor RpoN and a pair of regulatory elements, PilS and PilR. These two proteins are members of the two-component regulatory family, in which PilS is the sensory component and P...

journal_title：Journal of bacteriology

authors： Boyd JM,Lory S

更新日期：1996-02-01 00:00:00

abstract：:Plasmid ColIb-P9 of the I alpha incompatibility group is known to encode a DNA primase that acts in the conjugal transfer of the plasmid and can substitute for mutant dnaG gene product in vegetative replication of the Escherichia coli chromosome. The relevant genetic determinant (sog) has previously been cloned into a...

journal_title：Journal of bacteriology

authors： Dalrymple BP,Boulnois GJ,Wilkins BM,Orr E,Williams PH

更新日期：1982-07-01 00:00:00

abstract：:Subgenomic DNA microarrays were employed to evaluate the expression of the accessory gene regulator (agr locus) as well as multiple virulence-associated genes in Staphylococcus aureus. Gene expression was examined during growth of S. aureus in vitro in standard laboratory medium and rabbit serum and in vivo in subcuta...

journal_title：Journal of bacteriology

authors： Yarwood JM,McCormick JK,Paustian ML,Kapur V,Schlievert PM

更新日期：2002-02-01 00:00:00

abstract：:The pathogenic bacterium Bacillus anthracis has become the subject of intense study as a result of its use in a bioterrorism attack in the United States in September and October 2001. Previous studies suggested that B. anthracis Ames Ancestor, the original Ames fully virulent plasmid-containing isolate, was the ideal ...

journal_title：Journal of bacteriology

authors： Ravel J,Jiang L,Stanley ST,Wilson MR,Decker RS,Read TD,Worsham P,Keim PS,Salzberg SL,Fraser-Liggett CM,Rasko DA

更新日期：2009-01-01 00:00:00

abstract：:Vibrio parahaemolyticus possesses dual flagellar systems adapted for movement under different circumstances. A single polar flagellum propels the bacterium in liquid (i.e., swimming) with a motor that is powered by the sodium motive force. Multiple proton-driven lateral flagella enable translocation over surfaces (i.e...

journal_title：Journal of bacteriology

authors： Stewart BJ,McCarter LL

更新日期：2003-08-01 00:00:00

abstract：:Deoxyribonucleic acid repair synthesis was studied in one wild-type and two mutant strains of Bacillus subtilis that are defective in excision of pyrimidine dimers. The cells were irradiated with ultraviolet light, and 6-(p-hydroxyphenyl-azo)-uracil was used to block replicative synthesis, allowing only repair synthes...

journal_title：Journal of bacteriology

authors： Hadden CT

更新日期：1979-07-01 00:00:00

abstract：:Two nonconjugative R-plasmids, N-SuSm and N-Tc, have been characterized. Both were of relatively small size (5 x 10(6) to 6 x 10(6) daltons) and present in multiple copies within their respective bacterial hosts. N-SuSm possessed a guanine plus cytosine content of 55%, whereas N-Tc was 49% guanine plus cytosine. Altho...

journal_title：Journal of bacteriology

authors： Guerry P,van Embden J,Falkow S

更新日期：1974-02-01 00:00:00