Stringent control of peptidoglycan biosynthesis in Escherichia coli K-12.

abstract：:The Escherichia coli rluD gene encodes a pseudouridine synthase responsible for the pseudouridine (Ψ) modifications at positions 1911, 1915, and 1917 in helix 69 of 23S rRNA. It has been reported that deletion of rluD in K-12 strains of E. coli is associated with extremely slow growth, increased readthrough of stop co...

journal_title：Journal of bacteriology

authors： O'Connor M,Gregory ST

更新日期：2011-01-01 00:00:00

abstract：:The general stress regulon of Bacillus subtilis comprises approximately 200 genes and is under the control of the alternative sigma factor σ(B). The activation of σ(B) occurs in response to multiple physical stress stimuli as well as energy starvation conditions. The expression of the general stress proteins provides ...

journal_title：Journal of bacteriology

authors： Reder A,Höper D,Gerth U,Hecker M

更新日期：2012-07-01 00:00:00

abstract：:The ability of archaea to salvage cobinamide has been under question because archaeal genomes lack orthologs to the bacterial nucleoside triphosphate:5'-deoxycobinamide kinase enzyme (cobU in Salmonella enterica). The latter activity is required for cobinamide salvaging in bacteria. This paper reports evidence that ar...

journal_title：Journal of bacteriology

authors： Woodson JD,Zayas CL,Escalante-Semerena JC

更新日期：2003-12-01 00:00:00

abstract：:Overproduction of tryptophanyl-tRNA synthetase increased trp operon expression by reducing transcription termination at the trp attenuator. The total cellular level of charged tRNATrp was not affected by increased levels of the synthetase. We propose that excess synthetase binds charged tRNATrp and reduces the concent...

journal_title：Journal of bacteriology

authors： Das A,Yanofsky C

更新日期：1984-11-01 00:00:00

abstract：:Fukuyama T. T. (University of Pennsylvania, Philadelphia) and D. J. O'Kane. Galactose metabolism. I. Pathway of carbon in fermentation by Streptococcus faecalis. J. Bacteriol. 84:793-796. 1962.-The pathway by which galactose-1-C(14) is fermented in Streptococcus faecalis was investigated using dried-cell preparations....

journal_title：Journal of bacteriology

authors： FUKUYAMA TT,O'KANE DJ

更新日期：1962-10-01 00:00:00

abstract：:Two-micrometer deoxyribonucleic acid (DNA), a circular plasmid of Saccharomyces cerevisiae, contains two nontandem repeated sequences which are inverted with respect to one another. These repeated sequences together account for 21% of the molecule length. Restriction endonuclease analysis and electron microscopy demon...

journal_title：Journal of bacteriology

authors： Livingston DM,Klein HL

更新日期：1977-01-01 00:00:00

abstract：:When Bacillus megaterium spores germinate in the absence of an exogenous carbon source, the first minutes of germination are accompanied by production of large amounts (approximately 70 nmol/mg of dry spores) of acetate and much smaller amounts of pyruvate and lactate. The majority of these compounds are excreted into...

journal_title：Journal of bacteriology

authors： Setlow B,Shay LK,Vary JC,Setlow P

更新日期：1977-11-01 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：:Spendlove, Rex S. (California State Department of Public Health, Berkeley), Edwin H. Lennette, Charles O. Knight, and Jean N. Chin. Production in FL cells of infectious and potentially infectious reovirus. J. Bacteriol. 92:1036-1040. 1966.-A comparative study was made of the development in, and release from, FL cells ...

journal_title：Journal of bacteriology

authors： Spendlove RS,Lennette EH,Knight CO,Chin JN

更新日期：1966-10-01 00:00:00

abstract：:Of the nine genes comprising the L-rhamnose operon of Rhizobium leguminosarum, rhaU has not been assigned a function. The construction of a Delta rhaU strain revealed a growth phenotype that was slower than that of the wild-type strain, although the ultimate cell yields were equivalent. The transport of L-rhamnose int...

journal_title：Journal of bacteriology

authors： Richardson JS,Carpena X,Switala J,Perez-Luque R,Donald LJ,Loewen PC,Oresnik IJ

更新日期：2008-04-01 00:00:00

abstract：:Despite their remarkable genetic homology, members of the Mycobacterium tuberculosis complex express very different phenotypes, most notably in their spectra of clinical presentation. For example, M. tuberculosis is regarded as pathogenic to humans, whereas members having deleted RD1, such as Mycobacterium microti and...

journal_title：Journal of bacteriology

authors： Mostowy S,Cousins D,Behr MA

更新日期：2004-01-01 00:00:00

abstract：:The ESX-1 (ESAT-6 system 1) secretion system plays a conserved role in the virulence of diverse mycobacterial pathogens, including the human pathogen Mycobacterium tuberculosis and M. marinum, an environmental mycobacterial species. The ESX-1 system promotes the secretion of protein virulence factors to the extracytop...

journal_title：Journal of bacteriology

authors： Bosserman RE,Nicholson KR,Champion MM,Champion PA

更新日期：2019-06-21 00:00:00

abstract：:ClpX is a well-characterized bacterial chaperone that plays a role in many processes, including protein turnover and the remodeling of macromolecular complexes. All of these activities require ATP hydrolysis-dependent, ClpX-mediated protein unfolding. Here we used site-directed mutagenesis in combination with genetics...

journal_title：Journal of bacteriology

authors： Haeusser DP,Lee AH,Weart RB,Levin PA

更新日期：2009-03-01 00:00:00

abstract：:Mutation of a conserved His-157 in the second pore loop of KtrB drastically reduced the activity of the K+ transporter from Synechocystis sp. strain PCC 6803. This result suggests that His-157 plays an essential role in the K+ transport activity of the transporter system. ...

journal_title：Journal of bacteriology

authors： Zulkifli L,Uozumi N

更新日期：2006-11-01 00:00:00

abstract：:Different preparations of the methylreductase were tested in a simplified methylcoenzyme M methylreductase assay with artificial electron donors under a nitrogen atmosphere. ATP and Mg2+ stimulated the reaction. Tris(2,2'-bipyridine)ruthenium (II), chromous chloride, chromous acetate, titanium III citrate, 2,8-diamino...

journal_title：Journal of bacteriology

authors： Hartzell PL,Escalante-Semerena JC,Bobik TA,Wolfe RS

更新日期：1988-06-01 00:00:00

abstract：:Numerous bacteria and mammalian cells harbor two enzymes, phosphopentomutase (PPM) and 2-deoxyribose 5-phosphate aldolase (DERA), involved in the interconversion between nucleosides and central carbon metabolism. In this study, we have examined the presence of this metabolic link in the hyperthermophilic archaeon, The...

journal_title：Journal of bacteriology

authors： Rashid N,Imanaka H,Fukui T,Atomi H,Imanaka T

更新日期：2004-07-01 00:00:00

abstract：:The rates of DNA synthesis during the cell-division cycle were measured in Myxococcus xanthus growing in three different media permitting a twofold variation in doubling time. In all three media, simple DNA cycles were observed. Synthesis of DNA occurred during 85% of the cell-division cycle, independent of generation...

journal_title：Journal of bacteriology

authors： Zusman DR,Krotoski DM,Cumsky M

更新日期：1978-01-01 00:00:00

abstract：:The control of the synthesis of certain key enzymes of aromatic amino acid biosynthesis was studied. Tyrosine represses the first enzyme of the 3-deoxy-d-arabino heptulosonic acid 7-phosphate pathway, DAHP synthetase, as well as shikimate kinase and chorismate mutase about fivefold in cultures grown under conditions l...

journal_title：Journal of bacteriology

authors： Nester EW,Jensen RA,Nasser DS

更新日期：1969-01-01 00:00:00

abstract：:A strain of Neurospora crassa defective in amino acid transport can utilize a variety of amino acids for growth when readily metabolizable nitrogen is limiting. Growth is accompanied by the production of an extracellular deaminase that converts the amino acid to its respective keto acid plus equimolar quantities of ut...

journal_title：Journal of bacteriology

authors： DeBusk RM,Ogilvie S

更新日期：1984-08-01 00:00:00

abstract：:The buoyant density in rapidly growing Streptococcus faecium 9790 cells varies over the cell cycle, in contrast to the density in Escherichia coli. Buoyant density in S. faecium was measured by using Percoll (Pharmacia Fine Chemicals, Piscataway, N.J.) density gradients. We found that the mean and coefficient of varia...

journal_title：Journal of bacteriology

authors： Glaser D,Higgins M

更新日期：1989-02-01 00:00:00

abstract：:The Tm of Bacillus stearothermophilus 5S ribonucleic acid (RNA) is 1.5 +/- 0.5 C higher than that of 5S RNAs from B. subtilis and Escherichia coli. Melting in 50% methanol and in formaldehyde indicate that both base stacking and helical regions are involved in the slightly increased thermal stability of B. stearotherm...

journal_title：Journal of bacteriology

authors： Varricchio F,Marotta CA

更新日期：1976-03-01 00:00:00

abstract：:We have cloned the Micromonospora viridifaciens neuraminidase (EC 3.2.1.18) gene (nedA) in Streptomyces lividans. This was accomplished by using the vector pIJ702 and BglII-BclI libraries of M. viridifaciens chromosomal inserts created in S. lividans. The libraries were screened for the expression of neuraminidase by ...

journal_title：Journal of bacteriology

authors： Sakurada K,Ohta T,Hasegawa M

更新日期：1992-11-01 00:00:00

abstract：:Netropsin, a polypeptide antibiotic which binds specifically to adenylate-thymidylate-rich regions of deoxyribonucleic acid, inhibitis sporulation at about stage II, but does not inhibit growth of Bacillys subtilis. An analysis of the sporulation-associated enzymes aconitase, alkaline phosphatase, and glucose dehydrog...

journal_title：Journal of bacteriology

authors： Keilman GR,Brutis K,Tanimoto B,Doi RH

更新日期：1976-10-01 00:00:00

abstract：:Pathways of ammonia assimilation into glutamic acid in Bacillus macerans were investigated by measurements of the specific activities of glutamate dehydrogenase (GDH), glutamine synthetase, and glutamate synthase. In ammonia-rich medium, GDH was the predominant pathway of ammonia assimilation. In nitrogen-fixing cells...

journal_title：Journal of bacteriology

authors： Kanamori K,Weiss RL,Roberts JD

更新日期：1987-10-01 00:00:00

abstract：:Escherichia coli suffered 95 to 100% lethality when exposed to 1.0 mM paraquat for 30 min at 37 degrees C in aerobic nutrient broth medium but did not lose viability when the exposure was done in Vogel Bonner or tryptic soy yeast extract medium. Paraquat was, however, bacteriostatic in all of these media. Salts, added...

journal_title：Journal of bacteriology

authors： Kitzler J,Fridovich I

更新日期：1986-07-01 00:00:00

abstract：:In wild-type Escherichia coli the activity of the maltose transport system is dependent on a periplasmic maltose-binding protein. It has been possible, however, to isolate mutants in which transport activity is mediated by the membrane components of the system and is no longer dependent on the periplasmic binding prot...

journal_title：Journal of bacteriology

authors： Reyes M,Treptow NA,Shuman HA

更新日期：1986-03-01 00:00:00

abstract：:Functional domains in the RepI replication initiator protein have been identified by classical and site-directed mutagenesis techniques. Mutations conferring an increase in plasmid copy number contained alterations in a key position of a putative helix-turn-helix DNA binding motif. The mutations did not appear to affe...

journal_title：Journal of bacteriology

authors： Gammie AE,Tolmasky ME,Crosa JH

更新日期：1993-06-01 00:00:00

abstract：:Overexpression of vsr in Escherichia coli stimulates transition and frameshift mutations. The pattern of mutations suggests that mutagenesis is due to saturation or inactivation of dam-directed mismatch repair. ...

journal_title：Journal of bacteriology

authors： Doiron KM,Viau S,Koutroumanis M,Cupples CG

更新日期：1996-07-01 00:00:00

abstract：:DNA helicase I, encoded on the Escherichia coli F plasmid, catalyzes a site- and strand-specific nicking reaction within the F plasmid origin of transfer (oriT) to initiate conjugative DNA strand transfer. The product of the nicking reaction contains a single phosphodiester bond interruption as determined by single-nu...

journal_title：Journal of bacteriology

authors： Matson SW,Nelson WC,Morton BS

更新日期：1993-05-01 00:00:00

abstract：:Catheter-related bloodstream infections due to Staphylococcus aureus are of increasing clinical importance. The pathophysiological steps leading to colonization and infection, however, are still incompletely defined. We observed growth and detachment of S. aureus biofilms in an in vitro catheter-infection model by usi...

journal_title：Journal of bacteriology

authors： Fux CA,Wilson S,Stoodley P

更新日期：2004-07-01 00:00:00