Streptococcus pneumoniae uses glutathione to defend against oxidative stress and metal ion toxicity.

abstract：:Despite a large number of studies on the role of oxygen in cellular processes, there is no consensus as to how oxygen availability to the cell should be defined, let alone how it should be quantified. Here, a quantitative definition for oxygen availability (perceived aerobiosis) is presented; the definition is based o...

journal_title：Journal of bacteriology

authors： Alexeeva S,Hellingwerf KJ,Teixeira de Mattos MJ

更新日期：2002-03-01 00:00:00

abstract：:Livers of uninfected guinea pigs and of guinea pigs infected with Coxiella burneti were fractionated into smooth endoplasmic reticulum, rough endoplasmic reticulum (RER), pellet, and cell sap fractions. The ribonucleic acid (RNA) and protein of each fraction were determined, and the phosphorylase, glucose-6-phosphatas...

journal_title：Journal of bacteriology

authors： Paretsky D,Stueckemann J

更新日期：1970-05-01 00:00:00

abstract：:5-Azacytidine was found to be bactericidal to Escherichia coli carrying plasmids specifying EcoRII restriction-modification systems, but not to the same strains lacking these plasmids. Of other base analogs tested, only 5(beta-D-ribofuranosyl)isocytidine had similar, although weaker, effects. Plasmids that had lost th...

journal_title：Journal of bacteriology

authors： Friedman S

更新日期：1982-07-01 00:00:00

abstract：:Two regulatory proteins, Gal repressor and isorepressor, control the expression of the gal and mgl operons in Escherichia coli. The transcription start sites for galR and galS, the genes for the repressor and isorepressor, were determined by primer extension of in vivo transcripts. Study of the promoter-lacZ gene fusi...

journal_title：Journal of bacteriology

authors： Weickert MJ,Adhya S

更新日期：1993-01-01 00:00:00

abstract：:Washed cell suspensions of Aquaspirillum magnetotacticum MS-1, A. itersonii E12639, Bacillus subtilis 6633, and Escherichia coli CSH27 translocated protons in response to the added oxidant O2 or NO3-, with triphenylmethylphosphonium bromide as the permeant ion. Iron respiration-driven proton translocation was observed...

journal_title：Journal of bacteriology

authors： Short KA,Blakemore RP

更新日期：1986-08-01 00:00:00

abstract：:Ultraviolet (UV) microscopy was used to study the capacity of yeast (ATCC 10231 and 10261) and filamentous (ATCC 10259) strains of Candida albicans to accumulate UV-absorbing materials from a medium supplemented with purines, pyrimidines, amino acids, or related compounds as the main nitrogen source. All strains accum...

journal_title：Journal of bacteriology

authors： Balish E,Svihla G

更新日期：1968-07-01 00:00:00

abstract：:Rhizobia form a symbiotic relationship with plants of the legume family to produce nitrogen-fixing root nodules under nitrogen-limiting conditions. We have examined the importance of glutathione (GSH) during free-living growth and symbiosis of Sinorhizobium meliloti. An S. meliloti mutant strain (SmgshA) which is unab...

journal_title：Journal of bacteriology

authors： Harrison J,Jamet A,Muglia CI,Van de Sype G,Aguilar OM,Puppo A,Frendo P

更新日期：2005-01-01 00:00:00

abstract：:Pseudomonas syringae pv. tabaci 6605 possesses a genetic region involved in flagellin glycosylation. This region is composed of three open reading frames: orf1, orf2, and orf3. Our previous study revealed that orf1 and orf2 encode glycosyltransferases; on the other hand, orf3 has no role in posttranslational modificat...

journal_title：Journal of bacteriology

authors： Taguchi F,Ogawa Y,Takeuchi K,Suzuki T,Toyoda K,Shiraishi T,Ichinose Y

更新日期：2006-12-01 00:00:00

abstract：:The hook-basal body (HBB) is a key intermediate structure in the flagellar assembly pathway in Salmonella typhimurium. The FlgM protein inhibits the flagellum-specific transcription factor sigma28 in the absence of the intact HBB structure and is secreted out of the cell following HBB completion. The flk gene encodes ...

journal_title：Journal of bacteriology

authors： Karlinsey JE,Tsui HC,Winkler ME,Hughes KT

更新日期：1998-10-01 00:00:00

abstract：:The electron transport system of Neisseria gonorrhoeae was partially characterized by using spectrophotometric, spectroscopic, and oxygen consumption measurements. The effects of selected electron transport inhibitors (amytal, rotenone, 2-heptyl-4-hydroxyquinoline, antimycin A1, and potassium cyanide [KCN]) on electro...

journal_title：Journal of bacteriology

authors： Kenimer EA,Lapp DF

更新日期：1978-05-01 00:00:00

abstract：:Sinorhizobium meliloti can live as a soil saprophyte and can engage in a nitrogen-fixing symbiosis with plant roots. To succeed in such diverse environments, the bacteria must continually adjust gene expression. Transcriptional plasticity in eubacteria is often mediated by alternative sigma (σ) factors interacting wit...

journal_title：Journal of bacteriology

authors： Barnett MJ,Bittner AN,Toman CJ,Oke V,Long SR

更新日期：2012-09-01 00:00:00

abstract：:Temperature-resistant pseudorevertants of the temperature-sensitive Escherichia coli mutant KNS19, harboring a mutation in rplX, the gene for ribosomal protein L24, were isolated, cloned, and sequenced. The codon GAC for the amino acid Asp in the temperature-sensitive mutant corresponding to position 84 in the protein...

journal_title：Journal of bacteriology

authors： Nishi K,Müller M,Schnier J

更新日期：1987-10-01 00:00:00

abstract：:Cells of Pseudomonas stutzeri are naturally transformed by homologous chromosomal DNA; they do not require chemical treatment to become competent. This capacity to undergo natural transformation was found to be shared by the closely related species P. mendocina, P. alcaligenes, and P. pseudoalcaligenes, but was not de...

journal_title：Journal of bacteriology

authors： Carlson CA,Pierson LS,Rosen JJ,Ingraham JL

更新日期：1983-01-01 00:00:00

abstract：:Streptococcus pneumoniae is the causative agent of multiple diseases, including otitis media, pneumonia, bacteremia, and meningitis. Pneumolysin (Ply), a member of the cholesterol-dependent cytolytic pore-forming toxins, is produced by virtually all clinical isolates of S. pneumoniae, and strains in which the Ply gene...

journal_title：Journal of bacteriology

authors： Price KE,Camilli A

更新日期：2009-04-01 00:00:00

abstract：:A systematic survey for the presence of plasmids in 17 different xenobiotic-degrading Sphingomonas strains was performed. In almost all analyzed strains, two to five plasmids with sizes of about 50 to 500 kb were detected by using pulsed-field gel electrophoresis. A comparison of plasmid preparations untreated or trea...

journal_title：Journal of bacteriology

authors： Basta T,Keck A,Klein J,Stolz A

更新日期：2004-06-01 00:00:00

abstract：:Ishibashi, Masahide (Osaka University, Osaka, Japan), Yoshinobu Sugino, and Yukinori Hirota. Chromosomal location of thymine and arginine genes in Escherichia coli and an F' incorporating them. J. Bacteriol. 87:554-561. 1964.-The gene responsible for thymine requirement or independence in Escherichia coli K-12 is loca...

journal_title：Journal of bacteriology

authors： ISHIBASHI M,SUGINO Y,HIROTA Y

更新日期：1964-03-01 00:00:00

abstract：:D-Glucose dehydrogenase is a pyrroloquinoline quinone-dependent primary dehydrogenase linked to the respiratory chain of a wide variety of bacteria. The enzyme exists in the membranes of Escherichia coli, mainly as an apoenzyme which can be activated by the addition of pyrroloquinoline quinone and magnesium. Thus, mem...

journal_title：Journal of bacteriology

authors： Matsushita K,Nonobe M,Shinagawa E,Adachi O,Ameyama M

更新日期：1987-01-01 00:00:00

abstract：:The histidine kinase (HK) component of many two-component regulatory systems exhibits regulated ability to phosphorylate itself and to participate in transfer of phosphate to and from its cognate response regulator. The signaling system that controls expression of the UhpT sugar phosphate transporter in Escherichia co...

journal_title：Journal of bacteriology

authors： Wright JS,Olekhnovich IN,Touchie G,Kadner RJ

更新日期：2000-11-01 00:00:00

abstract：:The ability to reduce Hg(II) to Hg(0), which is determined by a plasmid-borne gene in Escherichia coli, is conferred by a Hg(II)-inducible activity which is located in the cytoplasm rather than in the periplasmic space of the cell. This Hg(II)-reducing activity can be isolated from the supernatant of a 160,000 x g cen...

journal_title：Journal of bacteriology

authors： Summers AO,Sugarman LI

更新日期：1974-07-01 00:00:00

abstract：:A map location of the gluconate-6-phosphate dehydrogenase (gnd) marker was estimated in Escherichia coli C at approximately 46 min by P1 transduction. The gnd locus appears to lie between the co-transducible histidine and prophage P2 location I markers. ...

journal_title：Journal of bacteriology

authors： Robbins RS,Kelly B

更新日期：1973-11-01 00:00:00

abstract：:Cefsulodin lyses actively growing Escherichia coli by binding specifically to penicillin-binding proteins (PBPs) 1a and 1b. Recent findings (F. García del Portillo, M. A. de Pedro, D. Joseleau-Petit, and R. D'Ari, J. Bacteriol. 171:4217-4221, 1989) have linked cefsulodin-induced lysis to septation during the first div...

journal_title：Journal of bacteriology

authors： Jacoby GH,Young KD

更新日期：1991-01-01 00:00:00

abstract：:Xylella fastidiosa is a xylem-limited nonflagellated bacterium that causes economically important diseases of plants by developing biofilms that block xylem sap flow. How the bacterium is translocated downward in the host plant's vascular system against the direction of the transpiration stream has long been a puzzlin...

journal_title：Journal of bacteriology

authors： Meng Y,Li Y,Galvani CD,Hao G,Turner JN,Burr TJ,Hoch HC

更新日期：2005-08-01 00:00:00

abstract：:Perry, Jerome J. (North Carolina State University, Raleigh), and James B. Evans. Oxidation and assimilation of carbohydrates by Micrococcus sodonensis. J. Bacteriol. 91:33-38. 1966.-Micrococcus sodonensis is a biotin-requiring strict aerobe that cannot utilize carbohydrates as sole sources of carbon and energy. Howeve...

journal_title：Journal of bacteriology

authors： Perry JJ,Evans JB

更新日期：1966-01-01 00:00:00

abstract：:In many bacteria, the ferric uptake regulator (Fur) protein plays a central role in the regulation of iron uptake genes. Because iron figures prominently in the agriculturally important symbiosis between soybean and its nitrogen-fixing endosymbiont Bradyrhizobium japonicum, we wanted to assess the role of Fur in the i...

journal_title：Journal of bacteriology

authors： Benson HP,LeVier K,Guerinot ML

更新日期：2004-03-01 00:00:00

abstract：:The phoP-phoQ operon of Salmonella typhimurium is a member of the family of two-component regulatory systems and controls expression of the phoN gene that codes for nonspecific acid phosphatase and the genes involved in the pathogenicity of the bacterium. The phoP-phoQ operon of Escherichia coli was cloned on a plasmi...

journal_title：Journal of bacteriology

authors： Kasahara M,Nakata A,Shinagawa H

更新日期：1992-01-01 00:00:00

abstract：:The mechanism by which iron uptake is facilitated by the siderophore rhodotorulic acid (RA) in the yeast Rhodotorula pilimanae was investigated with radioactively labeled Fe and RA and kinetically inert, chromic-substituted RA complexes. The weight of the evidence supports a model in which RA mediates iron transport t...

journal_title：Journal of bacteriology

authors： Carrano CJ,Raymond KN

更新日期：1978-10-01 00:00:00

abstract：:Earlier observations that phenol is a repellent for Salmonella typhimurium but an attractant for Escherichia coli were confirmed. This behavioral difference was found to correlate with a difference in the effect phenol had on receptor methylation levels; it caused net demethylation in S. typhimurium but net methylatio...

journal_title：Journal of bacteriology

authors： Imae Y,Oosawa K,Mizuno T,Kihara M,Macnab RM

更新日期：1987-01-01 00:00:00

abstract：:Genetic diversity and relationships in 74 Helicobacter pylori isolates recovered from patients assigned to distinct clinical categories were estimated by examination of allelic variation in six genes encoding metabolic housekeeping enzymes by multilocus enzyme electrophoresis. Seventy-three distinct allele profiles, r...

journal_title：Journal of bacteriology

authors： Go MF,Kapur V,Graham DY,Musser JM

更新日期：1996-07-01 00:00:00

abstract：:Many pathogenic bacteria translocate virulence factors into their eukaryotic hosts by means of type IV secretion systems (T4SS) spanning the inner and outer membranes. Genes encoding components of these systems have been identified within the order Rickettsiales based upon their sequence similarities to other prototyp...

journal_title：Journal of bacteriology

authors： Crosby FL,Munderloh UG,Nelson CM,Herron MJ,Lundgren AM,Xiao YP,Allred DR,Barbet AF

更新日期：2020-11-04 00:00:00

abstract：:Mutants lacking an enzyme of the oxidative branch of the hexose monophosphate shunt, 6-phosphogluconolactonase (pgl), have been selected as a new class of glucose-negative derivatives of a phosphoglucose isomerase (pgi) mutant. Glucose negativity is not as complete as in mutants lacking phosphoglucose isomerase and gl...

journal_title：Journal of bacteriology

authors： Kupor SR,Fraenkel DG

更新日期：1969-12-01 00:00:00