Identification of an N-terminal region of sigma 54 required for enhancer responsiveness.

abstract：:The cold-tolerant bacterium Pusillimonas sp. strain T7-7 is able to utilize diesel oils (C5 to C30 alkanes) as a sole carbon and energy source. In the present study, bioinformatics, proteomics, and real-time reverse transcriptase PCR approaches were used to identify the alkane hydroxylation system present in this bact...

journal_title：Journal of bacteriology

authors： Li P,Wang L,Feng L

更新日期：2013-05-01 00:00:00

abstract：:The nonstarter lactic acid bacterium Lactococcus raffinolactis is prevalent in a wide range of environments, such as the dairy environment, but little is known about this species. Here, we present the draft genome of Lactococcus raffinolactis strain 4877, isolated from a natural mesophilic dairy starter culture. ...

journal_title：Journal of bacteriology

authors： Meslier V,Loux V,Renault P

更新日期：2012-11-01 00:00:00

abstract：:Early log-phase cells of Mycoplasma gallisepticum A5969 were synchronized by holding in Eagle minimal essential medium (MEM) for 2 h. When transferred out of MEM into tryptose medium, the cells exhibited synchronous growth. Deoxyribonucleic acid (DNA) synthesis proceeded continuously during this growth but stopped dur...

journal_title：Journal of bacteriology

authors： Quinlan DC,Maniloff J

更新日期：1973-07-01 00:00:00

abstract：:Intact spheroplasts of the cyanobacterium Anacystis nidulans were found to oxidize various exogenous c-type cytochromes with concomitant proton extrusion. In the coupled state, H+/e stoichiometries close to 1 were measured, regardless of absolute reaction rates. It is concluded that the proton translocation observed i...

journal_title：Journal of bacteriology

authors： Peschek GA

更新日期：1983-01-01 00:00:00

abstract：:The ultrastructure of seven Thiobacillus species was studied. The structure of their cell envelopes is similar, if not identical, to that found in other gram-negative bacteria. Obvious differences were noted in the middle layer of the cell envelope of the seven cultures. Polyhedral inclusion bodies were apparent in fo...

journal_title：Journal of bacteriology

authors： Shively JM,Decker GL,Greenawalt JW

更新日期：1970-02-01 00:00:00

abstract：:The gal3 mutation of Saccharomyces, which is associated with an impairment in the utilization of galactose, has been shown to be pleiotropic, causing similar impairments in the utilization of melibiose and maltose. Milibiose utilization and alpha-galactosidase production are directly controlled by the galactose regula...

journal_title：Journal of bacteriology

authors： Kew OM,Douglas HC

更新日期：1976-01-01 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：:Pathogenic yersiniae require Ca2+ for growth at 37 degrees C. They harbor closely related plasmids of about 70 kb that are essential for virulence. At 37 degrees C and in the absence of Ca2+ ions, these plasmids cause a decrease in growth rate and the release of large amounts of proteins called Yops. Here we describe ...

journal_title：Journal of bacteriology

authors： Allaoui A,Scheen R,Lambert de Rouvroit C,Cornelis GR

更新日期：1995-08-01 00:00:00

abstract：:Strain 4R is a phycocyanin-minus mutant of the unicellular cyanobacterium Synechocystis sp. strain 6803. Although it lacks the light-harvesting protein phycocyanin, 4R has normal levels of phycocyanin (cpc) transcripts. Sequence analysis of the cpcB gene encoding the phycocyanin beta subunit shows an insertion mutatio...

journal_title：Journal of bacteriology

authors： Plank T,Toole C,Anderson LK

更新日期：1995-12-01 00:00:00

abstract：:Myxococcus xanthus RB5, a rough-colony-forming, nondispersed growing mutant of strain FBt, forms macroscopic, multicellular masses of radially oriented cells in shake cultures. The cells appear to be held together by slime fibrils. Physical and enzymatic methods to disrupt the spheres were unsuccessful as were attempt...

journal_title：Journal of bacteriology

authors： Burchard RP

更新日期：1975-04-01 00:00:00

abstract：:An R plasmid, R100-1, was mapped previously (Yoshikawa, 1974) by transduction from an integratively suppressed Hfr strain to a recipient with a mutation in gene dnaA. By this method various types of transductants of plasmid R100-1 that exist autonomously or in the integrated state were obtained. Seventy-one such trans...

journal_title：Journal of bacteriology

authors： Yoshikawa M

更新日期：1975-12-01 00:00:00

abstract：:The biosynthesis of the thaxtomin cyclic dipeptide phytotoxins proceeds nonribosomally via the thiotemplate mechanism. Acyladenylation, thioesterification, N-methylation, and cyclization of two amino acid substrates are catalyzed by the txtAB-encoded thaxtomin synthetase. Nucleotide sequence analysis of the region 3' ...

journal_title：Journal of bacteriology

authors： Healy FG,Krasnoff SB,Wach M,Gibson DM,Loria R

更新日期：2002-04-01 00:00:00

abstract：:Both Salmonella enterica serovar Typhimurium and Escherichia coli contain the cspH gene encoding CspH, one of the cold shock proteins (CSPs). In this study, we investigated the expression of cspH in S. enterica serovar Typhimurium and found that it was induced in response to a temperature downshift during exponential ...

journal_title：Journal of bacteriology

authors： Kim BH,Bang IS,Lee SY,Hong SK,Bang SH,Lee IS,Park YK

更新日期：2001-10-01 00:00:00

abstract：:A procedure is described for the purification of the cores of flagella sheared from Vibrio cholerae. V. cholerae is a monotrichous organism whose flagellar core (FC) is enclosed within a sheath. The purification procedure consists of several cycles of differential centrifugation and cesium chloride density-gradient ul...

journal_title：Journal of bacteriology

authors： Yang GC,Schrank GD,Freeman BA

更新日期：1977-02-01 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：:We report on novel mutations in the malK gene of Salmonella enterica serovar Typhimurium, encoding the ATPase subunit of the maltose transporter (MalFGK(2)). Biochemical analysis suggests that (i) L86 might be involved in a signaling step during substrate translocation and (ii) E306 may be critical for the structural ...

journal_title：Journal of bacteriology

authors： Hunke S,Landmesser H,Schneider E

更新日期：2000-03-01 00:00:00

abstract：:Quantitative mass conversion of intact bacterial cells of Bacillus subtilis and B. licheniformis to L-phase variants has been effected after lysozyme treatment. After subculture of the unstable L-phase variants for several months in the presence of methicillin, stable L-phase variants were obtained which grew in the a...

journal_title：Journal of bacteriology

authors： Wyrick PB,Rogers HJ

更新日期：1973-10-01 00:00:00

abstract：:Temperature-sensitive nalA mutants of Escherichia coli have been used to investigate the structure and functions of deoxyribonucleic acid (DNA) gyrase. Extracts of one such mutant (nalA43) had thermosensitive DNA gyrase subunit A activity but normal gyrase subunit B activity, proving definitively that nalA is the stru...

journal_title：Journal of bacteriology

authors： Kreuzer KN,Cozzarelli NR

更新日期：1979-11-01 00:00:00

abstract：:Shiio, Tsuru (Washington State University, Pullman), and Bruce A. McFadden. Cell-free amino acid-incorporating system from Pseudomonas indigofera. J. Bacteriol. 90:978-983. 1965.-A cell-free preparation from Pseudomonas indigofera incorporated C(14)-phenylalanine and C(14)-leucine into a product which was insoluble in...

journal_title：Journal of bacteriology

authors： Shiio T,McFadden BA

更新日期：1965-10-01 00:00:00

abstract：:We isolated and characterized crp mutations in Escherichia coli that allow cyclic AMP (cAMP) receptor protein to function without cAMP. These mutants defined a region involved in the cAMP-induced allosteric change of cAMP receptor protein that is necessary for activation of the protein. Currently, we have isolated int...

journal_title：Journal of bacteriology

authors： Garges S,Adhya S

更新日期：1988-04-01 00:00:00

abstract：:Salmonella enterica can utilize fructose-asparagine (F-Asn) as a source of carbon and nitrogen. This capability has been attributed to five genes in the fra locus. Previously, we determined that mutations in fraB (deglycase), fraD (kinase), or fraA (transporter) eliminated the ability of Salmonella to grow on F-Asn, w...

journal_title：Journal of bacteriology

authors： Sabag-Daigle A,Sengupta A,Blunk HM,Biswas PK,Cron MC,Bogard AJ,Behrman EJ,Gopalan V,Ahmer BMM

更新日期：2017-10-17 00:00:00

abstract：:Myxococcus xanthus, a gram-negative bacterium, has a complex life cycle. In response to starvation, most cells in a population participate in the formation of multicellular aggregates (i.e., fruiting bodies) in which cells differentiate into spores. However, some cells do not enter aggregates. In this and the two acco...

journal_title：Journal of bacteriology

authors： O'Connor KA,Zusman DR

更新日期：1991-06-01 00:00:00

abstract：:It has been clear for over sixty years that the principal method whereby cells replicate and segregate their DNA is semiconservative. It is much less clear why it should be like this rather than, say, conservative. Recently, evidence has accumulated that supports the hypothesis that one of the functions of the cell cy...

journal_title：Journal of bacteriology

authors： Norris V

更新日期：2019-05-22 00:00:00

abstract：:Isolated membrane vesicles from the obligately acidophilic bacterium Bacillus acidocaldarius generated an electrochemical gradient of protons (delta mu- H+) upon energization with ascorbate-phenazine methosulfate at pH 6.0 or 3.0. At pH 6.0, there was little or no transmembrane pH gradient (delta pH), but a transmembr...

journal_title：Journal of bacteriology

authors： Guffanti AA,Mann M,Sherman TL,Krulwich TA

更新日期：1984-08-01 00:00:00

abstract：:The three-component naphthalene dioxygenase (NDO) enzyme system carries out the first step in the aerobic degradation of naphthalene by Pseudomonas sp. strain NCIB 9816-4. The three-dimensional structure of NDO revealed that several of the amino acids at the active site of the oxygenase are hydrophobic, which is consi...

journal_title：Journal of bacteriology

authors： Parales RE,Lee K,Resnick SM,Jiang H,Lessner DJ,Gibson DT

更新日期：2000-03-01 00:00:00

abstract：:Escherichia coli has a formate hydrogenlyase system which allows it to maintain an electron balance during anaerobic growth by passing electrons from formate to H+ ions, thus generating H2. The Mu d1(Ap lac) bacteriophage was used to generate mutants that were defective in passing electrons from formate to benzyl viol...

journal_title：Journal of bacteriology

authors： Yerkes JH,Casson LP,Honkanen AK,Walker GC

更新日期：1984-04-01 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：UNLABELLED:An ability to sense and respond to changes in extracellular phosphate is critical for the survival of most bacteria. For Caulobacter crescentus, which typically lives in phosphate-limited environments, this process is especially crucial. Like many bacteria, Caulobacter responds to phosphate limitation throug...

journal_title：Journal of bacteriology

authors： Lubin EA,Henry JT,Fiebig A,Crosson S,Laub MT

更新日期：2015-10-19 00:00:00

abstract：:In Staphylococcus aureus, the transport of dicarboxylates is mediated in part by the Na+-linked carrier protein SdcS. This transporter is a member of the divalent-anion/Na+ symporter (DASS) family, a group that includes the mammalian Na+/dicarboxylate cotransporters NaDC1 and NaDC3. In earlier work, we cloned and expr...

journal_title：Journal of bacteriology

authors： Hall JA,Pajor AM

更新日期：2007-02-01 00:00:00

abstract：:The 12 incD repeats in the F plasmid each contain about 60 bits of information, which is three times the amount of conservation that a single protein would need to distinguish the repeats from the rest of the Escherichia coli genome. This is the first reported discovery of a case of threefold excess information, and i...

journal_title：Journal of bacteriology

authors： Herman ND,Schneider TD

更新日期：1992-06-01 00:00:00