Comparative allostery of 3-deoxy-D-arabino-heptulosonate-7-phosphate synthetase as a molecular basis for classification.

abstract：:The lic3 locus of Haemophilus influenzae consists of four open reading frames. The derived amino acid sequences of orf2 and orf4 exhibit homology to Escherichia coli GalE and AdK, respectively. The functions of orf1 and orf3 remain unknown. orf1 contains multiple tandem repeats of the tetrameric DNA sequence CAAT near...

journal_title：Journal of bacteriology

authors： Szabo M,Maskell D,Butler P,Love J,Moxon R

更新日期：1992-11-01 00:00:00

abstract：:The Shiga toxin operon (stx) is composed of two genes for the A and B subunits, which are transcribed from a promoter 5' to the stxA gene. The 1A:5B subunit stoichiometry of the holotoxin suggests that the stxA and stxB genes are differentially regulated. In a previous study, we demonstrated the existence of a second ...

journal_title：Journal of bacteriology

authors： Habib NF,Jackson MP

更新日期：1993-02-01 00:00:00

abstract：:We described previously a class of mutations (phenotypic designation R2(-)) in Staphylococcus aureus that were unlinked to penicillinase genes but nevertheless imposed constitutive synthesis of this enzyme upon wild-type plasmids. The plasmids affected by these mutations have been found to possess the same maintenance...

journal_title：Journal of bacteriology

authors： Cohen S,Vernon EG,Sweeney HM

更新日期：1970-09-01 00:00:00

abstract：:Antiserum prepared against protocatechuate 3, 4-dioxygenase from Pseudomonas aeruginosa forms precipitin bands without spurs with isofunctional enzymes from different strains of the fluorescent pseudomonads on immunodiffusion plates. Catalytic activity of the isofunctional enzymes was inhibited by an immunoglobulin fr...

journal_title：Journal of bacteriology

authors： Hou CT,Lillard MO

更新日期：1976-04-01 00:00:00

abstract：:The Escherichia coli strain cs2-68 is a cold-sensitive (c) mutant that forms a long filamentous cell at 20 degrees C with a large nucleoid mass in its central region. We have recently shown that the pcsA68 mutation causing the cs phenotype is a single-base substitution within the dinD gene, a DNA damage-inducible gene...

journal_title：Journal of bacteriology

authors： Yasuda T,Nagata T,Ohmori H

更新日期：1996-07-01 00:00:00

abstract：:Galactoside permease-containing cells of Escherichia coli can be depleted of energy reserves so that the "downhill" cellular hydrolysis of o-nitrophenyl-beta-d-galactopyranoside (ONPG) no longer takes place. Treatment of such energy-depleted cells with proton-conducting agents such as carbonylcyanide m-chlorophenylhyd...

journal_title：Journal of bacteriology

authors： Cecchini G,Koch AL

更新日期：1975-07-01 00:00:00

abstract：:Deletion of bacterial DNA fragments is stimulated in induced Mucts62 lysogens. The host genes located proximally to the prophage are more frequently lost than those which are unlinked to the Mu genome. Genes located on either side of a Mu genome are deleted in the same manner. Like the other Mu-induced rearrangements,...

journal_title：Journal of bacteriology

authors： Faelen M,Toussaint A

更新日期：1978-11-01 00:00:00

abstract：:Acyl carrier protein (ACP coli) was isolated from commercially grown Escherichia coli B and was acetylated by chemical methods. Biological activity of the synthesized acetyl-ACP coli was checked in an in vitro fatty acid-synthesizing system isolated from E. coli B. Since acetyl-ACP is preferred over acetyl-coenzyme A ...

journal_title：Journal of bacteriology

authors： Marcus SL,Reeves HC,Ajl SJ

更新日期：1968-10-01 00:00:00

abstract：:The direct binding of Streptococcus mitis to human platelets is mediated in part by two proteins (PblA and PblB) encoded by a lysogenic bacteriophage (SM1). Since SM1 is the first prophage of S. mitis that has been identified and because of the possible role of these phage-encoded proteins in virulence, we sought to c...

journal_title：Journal of bacteriology

authors： Siboo IR,Bensing BA,Sullam PM

更新日期：2003-12-01 00:00:00

abstract：:The type IV pili of plasmid R64 belonging to the type IVB group are required only for liquid mating. They consist of the major and minor components PilS pilin and PilV adhesin, respectively. PilS pilin is first synthesized as a 22-kDa prepilin from the pilS gene and is then processed to a 19-kDa mature pilin by PilU p...

journal_title：Journal of bacteriology

authors： Shimoda E,Muto T,Horiuchi T,Furuya N,Komano T

更新日期：2008-02-01 00:00:00

abstract：:The SsuDAT1I restriction-modification (R-M) system, which contains two methyltransferases and two restriction endonucleases with recognition sequence 5'-GATC-3', was first found in a field isolate of Streptococcus suis serotype 2. Isoschizomers of the R-M system were found in the same locus between purH and purD in a ...

journal_title：Journal of bacteriology

authors： Sekizaki T,Osaki M,Takamatsu D,Shimoji Y

更新日期：2001-09-01 00:00:00

abstract：:The citrate transporter CitP of lactic acid bacteria catalyzes electrogenic precursor-product exchange of citrate versus L-lactate during citrate-glucose cometabolism. In the absence of sugar, L-lactate is replaced by the metabolic intermediates/end products pyruvate, α-acetolactate, and acetate. In this study, the bi...

journal_title：Journal of bacteriology

authors： Pudlik AM,Lolkema JS

更新日期：2012-07-01 00:00:00

abstract：:The enzyme pattern of Saccharomyces cerevisiae was followed during batch growth and in continuous culture in a synthetic medium limited for glucose under aerobic conditions. Seven enzymes were measured: succinate-cytochrome c oxidoreductase, malate dehydrogenase, nicotinamide adenine dinucleotide-linked glutamate dehy...

journal_title：Journal of bacteriology

authors： Beck C,von Meyenburg HK

更新日期：1968-08-01 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：:An analysis of the turnover of the major phospholipids of Micrococcus cerificans growing or nongrowing cultures. The turnover rates of (14)C-PE and (14)C-PE were 61.5% of the total phospholipid, exhibited no significant rate of turnover in either growing or nongrowing cultures. The turnover rates of PE-(14)C and PE-(3...

journal_title：Journal of bacteriology

authors： Makula RA,Finnerty WR

更新日期：1971-09-01 00:00:00

abstract：:A third nuclear protein-coding gene termed PET122 has been shown to be required for a post-transcriptional step in expression of the mitochondrial COX3 gene is Saccharomyces cerevisiae. pet122 mutants fail to produce cytochrome c oxidase subunit III, which is the polypeptide product of the COX3 gene, but produce norma...

journal_title：Journal of bacteriology

authors： Kloeckener-Gruissem B,McEwen JE,Poyton RO

更新日期：1988-03-01 00:00:00

abstract：:Clostridium perfringens food poisoning is caused by type A isolates carrying a chromosomal enterotoxin (cpe) gene (C-cpe), while C. perfringens-associated non-food-borne gastrointestinal (GI) diseases are caused by isolates carrying a plasmid-borne cpe gene (P-cpe). C. perfringens spores are thought to be the importan...

journal_title：Journal of bacteriology

authors： Paredes-Sabja D,Torres JA,Setlow P,Sarker MR

更新日期：2008-02-01 00:00:00

abstract：:Expression of the lower catabolic pathway of the TOL plasmid pWWO requires an aromatic acid inducer and the product of the xylS regulatory gene. Pseudomonas putida cells transformed with a plasmid containing the operator-promoter region of the lower pathway (OP2 [or Pm]), upstream from the catechol 2,3-dioxygenase str...

journal_title：Journal of bacteriology

authors： Cuskey SM,Sprenkle AB

更新日期：1988-08-01 00:00:00

abstract：:Vibrio cholerae is a natural inhabitant of aquatic ecosystems. Some strains of V. cholerae can colonize the human host and cause cholera, a profuse watery diarrhea. The major pathogenicity factors and virulence regulators of V. cholerae are either encoded in mobile genetic elements acquired in the environment (e.g. pa...

journal_title：Journal of bacteriology

authors： Sakib SN,Reddi G,Almagro-Moreno S

更新日期：2018-03-26 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：:Vibrio cholerae uses a variety of strategies for obtaining iron in its diverse environments. In this study we report the identification of a novel iron utilization protein in V. cholerae, VciB. The vciB gene and its linked gene, vciA, were isolated in a screen for V. cholerae genes that permitted growth of an Escheric...

journal_title：Journal of bacteriology

authors： Mey AR,Wyckoff EE,Hoover LA,Fisher CR,Payne SM

更新日期：2008-09-01 00:00:00

abstract：:Adenosine 5'-triphosphate (ATP) synthesis energized by an artificially imposed protonmotive force (delta p) in adenosine 5'-diphosphate-loaded membrane vesicles of Escherichia coli was investigated. The protonmotive force is composed of an artificially imposed pH gradient (delta pH) or membrane potential (deltapsi), o...

journal_title：Journal of bacteriology

authors： Tsuchiya T

更新日期：1977-02-01 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：:Envelope fractions isolated from Escherichia coli K-12 C600 and from colicin-resistant and colicin-tolerant (Tol II) mutants derived from this strain were separated on sucrose gradients into cell wall-enriched and cytoplasmic membrane-enriched fractions. These fractions were tested for their ability to neutralize coli...

journal_title：Journal of bacteriology

authors： Sabet SF,Schnaitman CA

更新日期：1971-10-01 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：:Bacteria of the genus Prosthecobacter express homologs of eukaryotic α- and β-tubulin, called BtubA and BtubB (BtubA/B), that have been observed to assemble into filaments in the presence of GTP. BtubA/B polymers are proposed to be composed in vitro by two to six protofilaments in contrast to that in vivo, where they ...

journal_title：Journal of bacteriology

authors： Díaz-Celis C,Risca VI,Hurtado F,Polka JK,Hansen SD,Maturana D,Lagos R,Mullins RD,Monasterio O

更新日期：2017-09-05 00:00:00

abstract：:Thiobacillus neapolitanus, when grown in continuous culture with thiosulfate limiting growth, possessed an apparent maximal molar growth yield of 8.0 g (dry weight) per mole of thiosulfate. The substrate requirement for energy of maintenance was the highest yet reported, amounting to 21.8 mmoles of thiosulfate per g p...

journal_title：Journal of bacteriology

authors： Hempfling WP,Vishniac W

更新日期：1967-03-01 00:00:00

abstract：:The enterohepatic Helicobacter species Helicobacter hepaticus colonizes the murine intestinal and hepatobiliary tract and is associated with chronic intestinal inflammation, gall stone formation, hepatitis, and hepatocellular carcinoma. Thus far, the role of H. hepaticus motility and flagella in intestinal colonizatio...

journal_title：Journal of bacteriology

authors： Sterzenbach T,Bartonickova L,Behrens W,Brenneke B,Schulze J,Kops F,Chin EY,Katzowitsch E,Schauer DB,Fox JG,Suerbaum S,Josenhans C

更新日期：2008-10-01 00:00:00

abstract：:An m(k) (-)r(k) (-) mutation exerted no measurable effect on 5-bromouracil incorporation by a thymineless derivative of Escherichia coli K. ...

journal_title：Journal of bacteriology

authors： Matney TS,MacDougall NL,Butler MA,Suit JC

更新日期：1970-10-01 00:00:00

abstract：:Myxococcus xanthus multicellular fruiting body development is initiated by nutrient limitation at high cell density. Five clustered point mutations (sasB5, -14, -15, -16, and -17) can bypass the starvation and high-cell-density requirements for expression of the 4521 developmental reporter gene. These mutants express ...

journal_title：Journal of bacteriology

authors： Xu D,Yang C,Kaplan HB

更新日期：1998-12-01 00:00:00