Patterns of electrochemical proton gradient formation by membrane vesicles from an obligately acidophilic bacterium.

abstract：:The fate of 35-S during anaerobic metabolism of [35-S]sulfate, [35-S]thiosulfate, and [35-S]sulfate plus unlabeled thiosulfate by washed cell suspensions of Desulfovibrio spp, and of [35-S]thiosulfate by growing D. desulfuricans was examined. The results appear to be inconsistent with the hypothesis that thiosulfate i...

journal_title：Journal of bacteriology

authors： Chambers LA,Trudinger PA

更新日期：1975-07-01 00:00:00

abstract：:Klebsiella pneumoniae porin genes were analyzed to detect mutations accounting for the porin deficiency observed in many beta-lactam-resistant strains. PCR and Southern blot analysis revealed the existence of a third porin gene in addition to the OmpK36 and OmpK35 porin genes previously described. This new porin gene ...

journal_title：Journal of bacteriology

authors： Doménech-Sánchez A,Hernández-Allés S,Martínez-Martínez L,Benedí VJ,Albertí S

更新日期：1999-05-01 00:00:00

abstract：:Escherichia coli strains lysogenic for a thermoinducible Mu prophage (Mu cts62) undergo rapid lysis about 50 min after heat induction. Induction of Mu cts62 apparently causes damage to the host sequences in which Mu is inserted. The normal expression of A, BU, and X genes of Mu is needed for this specific deleterious ...

journal_title：Journal of bacteriology

authors： Razzaki T,Bukhari AI

更新日期：1975-05-01 00:00:00

abstract：:Emulsan, the polyanionic emulsifying agent synthesized by Acinetobacter calcoaceticus RAG-1, was depolymerized by an enzyme obtained from a soil bacterium YUV-1. The extracellular emulsan depolymerase was produced when strains RAG-1 and YUV-1 were grown together on agar medium. The enzyme was extracted from the agar a...

journal_title：Journal of bacteriology

authors： Shoham Y,Rosenberg E

更新日期：1983-10-01 00:00:00

abstract：:The smallest viable cell of Spiroplasma citri is a two-turn helix (elementary helix). This elementary helix grows into longer parental cells, which then divide by constriction. The helical morphology is conserved during this process. The growth pattern of S. citri membranes has been investigated by different methods o...

journal_title：Journal of bacteriology

authors： Garnier M,Clerc M,Bové JM

更新日期：1984-04-01 00:00:00

abstract：:Halalkalicoccus jeotgali B3(T), isolated from salt-fermented seafood from South Korea, is an extremely halophilic archaeon belonging to the family Halobacteriaceae. Here, we present the complete genome sequence of the type strain H. jeotgali B3(T) (3,698,650 bp, with a G+C content of 62.5%), which consists of one chro...

journal_title：Journal of bacteriology

authors： Roh SW,Nam YD,Nam SH,Choi SH,Park HS,Bae JW

更新日期：2010-09-01 00:00:00

abstract：:The deoxyribonucleic acid (DNA) polymerase activities in Bacillus subtilis strains Marburg 168 (thy-trp2) and D22, a DNA polymerase I-deficient mutant, were measured at various stages of sporulation. The DNA polymerase I activity, which had decreased after the exponential growth, began to increase at the early stage o...

journal_title：Journal of bacteriology

authors： Honjo M,Shibano Y,Komano T

更新日期：1976-10-01 00:00:00

abstract：:The opportunistic pathogen Pseudomonas aeruginosa expresses polar type IV pili (TFP), which are responsible for adhesion to various materials and twitching motility on surfaces. Twitching occurs by alternate extension and retraction of TFP, which arise from assembly and disassembly of pilin subunits at the base of the...

journal_title：Journal of bacteriology

authors： Chiang P,Habash M,Burrows LL

更新日期：2005-02-01 00:00:00

abstract：:The SOS response to DNA damage in bacteria is a well-known component of the complex transcriptional responses to genotoxic environmental stresses such as exposure to reactive oxygen species, alkylating agents, and many of the antibiotics targeting DNA replication. However, bacteria such as Bacillus subtilis also respo...

journal_title：Journal of bacteriology

authors： Hoover SE,Xu W,Xiao W,Burkholder WF

更新日期：2010-08-01 00:00:00

abstract：:The histidine ATP-binding cassette (ABC) transporter of Salmonella enterica serovar Typhimurium is among the best-studied type I ABC import systems. The transporter consists of two transmembrane subunits, HisQ and HisM, and a homodimer of the nucleotide-binding subunit, HisP. Substrates are delivered by two periplasmi...

journal_title：Journal of bacteriology

authors： Heuveling J,Landmesser H,Schneider E

更新日期：2018-12-20 00:00:00

abstract：:Fertility factor F confers bacterial conjugation, a process which involves at least 20 tra genes. Resistance plasmids such as R100, R6-5, and R1 have homology with F in the tra region. Conjugal transfer of these plasmids is, however, repressed, while transfer of F is constitutive. Repression of R transfer is due to th...

journal_title：Journal of bacteriology

authors： Yoshioka Y,Ohtsubo H,Ohtsubo E

更新日期：1987-02-01 00:00:00

abstract：:Escherichia coli prefers growth in neutral pH environments but can withstand extremely acidic conditions (pH 2) for long periods. Of the four E. coli systems that contribute to acid resistance, one, the glutamate-dependent system, is remarkable in its efficacy and regulatory complexity. The resistance mechanism involv...

journal_title：Journal of bacteriology

authors： Ma Z,Masuda N,Foster JW

更新日期：2004-11-01 00:00:00

abstract：:The biosynthesis of asparaginase II in Saccharomyces cerevisiae is subject to nitrogen catabolite repression. In the present study we examined the physiological effects of glutamate auxotrophy on cellular metabolism and on the nitrogen catabolite repression of asparaginase II. Glutamate auxotrophic cells, incubated wi...

journal_title：Journal of bacteriology

authors： Kang L,Keeler ML,Dunlop PC,Roon RJ

更新日期：1982-07-01 00:00:00

abstract：:Ralston, D. J. (University of California, Berkeley) and M. D. Perry. Inhibitory action of phage K on staphylococcal dehydrogenases. II. Its possible relationship to sensitization and cell lysis. J. Bacteriol. 86:740-748. 1963.-By measuring the reduction of the dye triphenyl tetrazolium chloride to the insoluble red fo...

journal_title：Journal of bacteriology

authors： RALSTON DJ,PERRY MD

更新日期：1963-10-01 00:00:00

abstract：:NifA is the general transcriptional activator of nitrogen fixation genes in diazotrophic bacteria. In Rhizobium leguminosarum bv. viciae UPM791, the nifA gene is part of a gene cluster (orf71 orf79 fixW orf5 fixABCX nifAB) separated by 896 bp from an upstream and divergent truncated duplication of nifH (DeltanifH). Sy...

journal_title：Journal of bacteriology

authors： Martínez M,Palacios JM,Imperial J,Ruiz-Argüeso T

更新日期：2004-10-01 00:00:00

abstract：:Several enzymes and metabolites concerned with carbohydrate metabolism were examined in mice infected with Listeria monocytogenes. Liver glycogen and glucose decreased parallel to severity of infection. The concentration of glucose in the blood fell to abnormally low levels with a hypoglycemia being most evident at 72...

journal_title：Journal of bacteriology

authors： Wilder MS,Sword CP

更新日期：1967-02-01 00:00:00

abstract：:A comparison of the distribution of CO oxidation activity between soluble and particulate protein fractions obtained after disruption of CO-grown Rhodopseudomonas gelatinosa 1 by French pressure cell breakage and osmotic lysis of spheroplasts suggested that, in situ, the enzyme complex was associated with the cell mem...

journal_title：Journal of bacteriology

authors： Wakim BT,Uffen RL

更新日期：1983-01-01 00:00:00

abstract：:Conditions have been established for the preparation of spheroplasts of Saccharomyces cerevisiae which are able to increase their net content of protein, ribonucleic acid (RNA), and deoxyribonucleic acid (DNA), several-fold upon incubation in a medium stabilized with 1 m sorbitol. The rate of RNA and protein synthesis...

journal_title：Journal of bacteriology

authors： Hutchison HT,Hartwell LH

更新日期：1967-11-01 00:00:00

abstract：:Two primary alcohols (1-butanol and ethanol) are major fermentation products of several clostridial species. In addition to these two alcohols, the secondary alcohol 2-propanol is produced to a concentration of about 100 mM by some strains of Clostridium beijerinckii. An alcohol dehydrogenase (ADH) has been purified t...

journal_title：Journal of bacteriology

authors： Ismaiel AA,Zhu CX,Colby GD,Chen JS

更新日期：1993-08-01 00:00:00

abstract：:Under static growth conditions, hyperpiliated, nontwitching pilT and pilU mutants of Pseudomonas aeruginosa formed dense biofilms, showing that adhesion, not twitching motility, is necessary for biofilm initiation. Under flow conditions, the pilT mutant formed mushroom-like structures larger than those of the wild typ...

journal_title：Journal of bacteriology

authors： Chiang P,Burrows LL

更新日期：2003-04-01 00:00:00

abstract：:Pili isolated from Pseudomonas aeruginosa PAK were solubilized in the detergent octyl-glucoside. Subsequent removal of the detergent by dialysis resulted in the formation of short rods of about 9 nm in diameter and various lengths. The aggregation process was followed by ultracentrifugation, viscometry, and electron m...

journal_title：Journal of bacteriology

authors： Watts TH,Scraba DG,Paranchych W

更新日期：1982-09-01 00:00:00

abstract：:Two nrdF genes, nrdF1 and nrdF2, encoding the small subunit (R2) of ribonucleotide reductase (RR) from Mycobacterium tuberculosis have 71% identity at the amino acid level and are both highly homologous with Salmonella typhimurium R2F. The calculated molecular masses of R2-1 and R2-2 are 36,588 (322 amino acids [aa]) ...

journal_title：Journal of bacteriology

authors： Yang F,Curran SC,Li LS,Avarbock D,Graf JD,Chua MM,Lu G,Salem J,Rubin H

更新日期：1997-10-01 00:00:00

abstract：:The dctA gene, coding for the dicarboxylate transport protein, has an inducible promoter dependent on activation by the two-component sensor-regulator pair DctB and DctD. LacZ fusion analysis indicates that there is a single promoter for dctB and dctD. The dctA promoter is also induced by nitrogen limitation, an effec...

journal_title：Journal of bacteriology

authors： Reid CJ,Poole PS

更新日期：1998-05-01 00:00:00

abstract：:Youmans, Anne S. (Northwestern University Medical School, Chicago, Ill.) and Guy P. Youmans. Effect of mycosuppressin on the respiration and growth of Mycobacterium tuberculosis. J. Bacteriol. 84:708-715. 1962.-A substance, called mycosuppressin, was found in the lungs of guinea pigs and rabbits vaccinated with BCG or...

journal_title：Journal of bacteriology

authors： YOUMANS AS,YOUMANS GP

更新日期：1962-10-01 00:00:00

abstract：:Campylobacter jejuni is a leading food-borne pathogen causing gastroenteritis in humans. Although OxyR is a widespread oxidative stress regulator in many Gram-negative bacteria, C. jejuni lacks OxyR and instead possesses the metalloregulator PerR. Despite the important role played by PerR in oxidative stress defense, ...

journal_title：Journal of bacteriology

authors： Kim M,Hwang S,Ryu S,Jeon B

更新日期：2011-11-01 00:00:00

abstract：:The large virulence plasmid pMYSH6000 of Shigella flexneri contains a determinant that is highly effective in stabilizing otherwise unstable plasmids in Escherichia coli. Expression of two small contiguous genes, mvpA and mvpT (formerly termed STBORF1 and STBORF2), was shown to be sufficient for stability. Mutations i...

journal_title：Journal of bacteriology

authors： Sayeed S,Reaves L,Radnedge L,Austin S

更新日期：2000-05-01 00:00:00

abstract：:Mutants of Agrobacterium tumefaciens requiring methionine for growth on a solid basal medium were induced by the use of N-methyl-N'-nitro-N-nitrosoguanidine. In addition to the difference of mutant strains, the extent of methionine dependency differed in a liquid basal medium and in the presence of aspartate or fumara...

journal_title：Journal of bacteriology

authors： Kaneshiro T

更新日期：1968-06-01 00:00:00

abstract：:Cells colicinogenic for the colicin plasmids E1 or E2 (Col E1 and Col E2, respectively) were selected for a loss of colicin production after infection with bacteriophage Mu. Extrachromosomal deoxyribonucleic acid that was larger than the original colicin plasmids was found in such cells. A small insertion mutant in Co...

journal_title：Journal of bacteriology

authors： Inselburg J

更新日期：1974-08-01 00:00:00

abstract：:The function of the essential inner membrane protein (IMP) YidC in Escherichia coli has been studied for a limited number of model IMPs and primarily using targeted approaches. These studies suggested that YidC acts at the level of insertion, folding, and quality control of IMPs, both in the context of the Sec translo...

journal_title：Journal of bacteriology

authors： Yu Z,Bekker M,Tramonti A,Cook GM,van Ulsen P,Scheffers DJ,de Mattos JT,De Biase D,Luirink J

更新日期：2011-03-01 00:00:00

abstract：:Neisseria gonorrhoeae is prone to undergo autolysis under many conditions not conducive to growth. The role of autolysis during gonococcal infection is not known, but possible advantages for the bacterial population include provision of nutrients to a starving population, modulation of the host immune response by rele...

journal_title：Journal of bacteriology

authors： Garcia DL,Dillard JP

更新日期：2006-10-01 00:00:00