Regulation of Salmonella enterica serovar Typhimurium mntH transcription by H(2)O(2), Fe(2+), and Mn(2+).

abstract：:Previously we have described a mutant Hfr strain in which incompatibility between the integrated F factor and an autonomous F-prime (F') factor was abolished. The mutation (inc) was located in the integrated F factor. F-prime factors isolated from the mutant Hfr strain have the same incompatibility behavior as those i...

journal_title：Journal of bacteriology

authors： Pfister A,DeVries JK,Maas WK

更新日期：1976-07-01 00:00:00

abstract：:A mutational analysis of lesion-forming ability was undertaken in Pseudomonas syringae pv. syringae B728a, causal agent of bacterial brown spot disease of bean. Following a screen of 6,401 Tn5-containing derivatives of B728a on bean pods, 26 strains that did not form disease lesions were identified. Nine of the mutant...

journal_title：Journal of bacteriology

authors： Rich JJ,Willis DK

更新日期：1997-04-01 00:00:00

abstract：:After the demonstration that Stigmatella aurantiaca DW4 secretes an endo-N-acetyl-beta-D-glucosaminidase (ENGase), acting on the di-N-acetylchitobiosyl part of N-linked glycans (S. Bourgerie, Y. Karamanos, T. Grard, and R. Julien, J. Bacteriol. 176:6170-6174, 1994), an ENGase activity having the same substrate specifi...

journal_title：Journal of bacteriology

authors： Barreaud JP,Bourgerie S,Julien R,Guespin-Michel JF,Karamanos Y

更新日期：1995-02-01 00:00:00

abstract：:Escherichia coli O55 is an important antigen which is often associated with enteropathogenic E. coli clones. We sequenced the genes responsible for its synthesis and identified genes for O-antigen polymerase, O-antigen flippase, four enzymes involved in GDP-colitose synthesis, and three glycosyltransferases, all by co...

journal_title：Journal of bacteriology

authors： Wang L,Huskic S,Cisterne A,Rothemund D,Reeves PR

更新日期：2002-05-01 00:00:00

abstract：:The multifunctional 6-methylsalicylic acid synthase gene from Penicillium patulum was engineered for regulated expression in Streptomyces coelicolor. Production of significant amounts of 6-methylsalicylic acid by the recombinant strain was proven by nuclear magnetic resonance spectroscopy. These results suggest that i...

journal_title：Journal of bacteriology

authors： Bedford DJ,Schweizer E,Hopwood DA,Khosla C

更新日期：1995-08-01 00:00:00

abstract：:The pattern of transcription of the rplKAJLrpoBC gene cluster of Escherichia coli appears to be complex. At least four different promoters and a transcriptional attenuator have been identified. To compare the relative effect of each of the putative promoters and the attenuator on transcription of these genes, we fused...

journal_title：Journal of bacteriology

authors： Ralling G,Linn T

更新日期：1984-04-01 00:00:00

abstract：:We isolated 28 mutants of Bacillus subtilis deficient in the development of competence by using the transposon Tn917lacZ as a mutagen. The mutant strains were poorly transformable with plasmid and chromosomal DNAs but were normally transducible and exhibited wild-type resistance to DNA-damaging agents. The mutations w...

journal_title：Journal of bacteriology

authors： Hahn J,Albano M,Dubnau D

更新日期：1987-07-01 00:00:00

abstract：:The chpB locus is a chromosomal homolog of the pem locus, which is responsible for stable maintenance of plasmid R100 within the host cells. Like pem, chpB codes for two genes, chpBK and chpBI, encoding a growth inhibitor and a suppressor for the killing action of the ChpBK protein, respectively. Here, we determined t...

journal_title：Journal of bacteriology

authors： Masuda Y,Ohtsubo E

更新日期：1994-09-01 00:00:00

abstract：:The Staphylococcus aureus cidABC and lrgAB operons have been shown to regulate murein hydrolase activity and affect antibiotic tolerance. The cid operon enhances murein hydrolase activity and antibiotic sensitivity, whereas the lrg operon inhibits these processes. Based on these findings and the structural similaritie...

journal_title：Journal of bacteriology

authors： Yang SJ,Rice KC,Brown RJ,Patton TG,Liou LE,Park YH,Bayles KW

更新日期：2005-09-01 00:00:00

abstract：:A procedure for protoplast formation in Escherichia coli is described. Removal of the cell wall was confirmed by examination of cells in thin-section preparations. ...

journal_title：Journal of bacteriology

authors： Weiss RL

更新日期：1976-11-01 00:00:00

abstract：:Adjacent intein fragments fused to a Snf2/Rad54 helicase-related protein and Snf2/Rad54 helicase were reported for Deinococcus radiodurans R1, leading to the speculation that a frameshift was required for splicing or that trans splicing occurred. However, a type strain (ATCC 13939, RF18410) yielded a single protein th...

journal_title：Journal of bacteriology

authors： Southworth MW,Perler FB

更新日期：2002-11-01 00:00:00

abstract：:In Escherichia coli, the CpxRA two-component signal transduction system senses and responds to aggregated and misfolded proteins in the bacterial envelope. We show that CpxR-P (the phosphorylated form of the cognate response regulator) activates cpxRA expression in conjunction with RpoS, suggesting an involvement of t...

journal_title：Journal of bacteriology

authors： De Wulf P,Kwon O,Lin EC

更新日期：1999-11-01 00:00:00

abstract：:Biochemical events which occur during macroconidial germination have been studied in the dermatophyte Microsporum gypseum. The specific activity levels of various metabolic enzymes have been assayed during germination time periods. The accumulated levels of several of these enzymes, as a function of exogenous carbohyd...

journal_title：Journal of bacteriology

authors： Leighton TJ,Stock JJ,Kelln RA

更新日期：1970-08-01 00:00:00

abstract：:Smith, Doyle C. (Kansas State University, Manhattan), V. D. Foltz, and T. H. Lord. Two lytic factors involved in induced synergistic hemolysis in normally nonhemolytic staphylococci. J. Bacteriol. 88:1700-1704. 1964.-Synergistic hemolysis of "normally nonhemolytic" staphylococci results from the combination of two fac...

journal_title：Journal of bacteriology

authors： SMITH DC,FOLTZ VD,LORD TH

更新日期：1964-12-01 00:00:00

abstract：:The sequencing of the EcoRI-HindIII fragment complementing mutations in the structural genes of the L-rhamnose regulon of Escherichia coli has permitted identification of the open reading frames corresponding to rhaB, rhaA, and rhaD. The deduced amino acid sequences gave a 425-amino-acid polypeptide corresponding to r...

journal_title：Journal of bacteriology

authors： Moralejo P,Egan SM,Hidalgo E,Aguilar J

更新日期：1993-09-01 00:00:00

abstract：:We have constructed Escherichia coli strains containing mutations at two different loci, both originally selected for failure to support lambda site-specific recombination: himA and gyrB-him(Ts). Although the gyrB-him(Ts) mutations by themselves reduce supercoiling at high temperature, the double mutants show a far gr...

journal_title：Journal of bacteriology

authors： Friedman DI,Olson EJ,Carver D,Gellert M

更新日期：1984-02-01 00:00:00

abstract：:A protein carboxyl methyltransferase (EC 2.1.1.77) that recognizes age-damaged proteins for potential repair or degradation reactions has been found in all vertebrate tissues and cells examined to date. This enzyme catalyzes the transfer of methyl groups from S-adenosylmethionine to the carboxyl groups of D-aspartyl o...

journal_title：Journal of bacteriology

authors： Li C,Clarke S

更新日期：1992-01-01 00:00:00

abstract：:Transmembrane bacterial chemoreceptors are extended, rod-shaped homodimers with ligand-binding sites at one end and interaction sites for signaling complex formation and histidine kinase control at the other. There are atomic-resolution structures of chemoreceptor fragments but not of intact, membrane-inserted recepto...

journal_title：Journal of bacteriology

authors： Akkaladevi N,Bunyak F,Stalla D,White TA,Hazelbauer GL

更新日期：2018-02-07 00:00:00

abstract：:The regulatory properties of acetohydroxy acid synthetase (AHAS), the first enzyme in the biosynthetic pathway to valine and the second in the isoleucine pathway, were investigated in the fission yeast Schizosaccharomyces pombe. The enzyme was partially purified from crude extracts by protamine sulfate treatment, ammo...

journal_title：Journal of bacteriology

authors： McDonald RA,Satyanarayana T,Kaplan JG

更新日期：1973-04-01 00:00:00

abstract：:Activities of gamma-butyrobetaine hydroxylase and carnitine dehydrogenase were low in cells of Pseudomonas sp. AK 1 grown in the absence of their respective substrates. ...

journal_title：Journal of bacteriology

authors： Lindstedt G,Lindstedt S,Midtvedt T,Tofft M

更新日期：1970-03-01 00:00:00

abstract：:The elemental composition of individual cells of rapidly frozen and cryosectioned Escherichia coli B was measured with electron optical microanalytic methods. The Ca content was high (26.2 mmol/kg) in a 10-nm-wide region of the cell envelope. Amounts of cytoplasmic Ca in actively dividing cells were significantly high...

journal_title：Journal of bacteriology

authors： Chang CF,Shuman H,Somlyo AP

更新日期：1986-09-01 00:00:00

abstract：:Chlamydia trachomatis is a human bacterial pathogen that multiplies only within an intracellular membrane-bound vacuole, the inclusion. C. trachomatis includes ocular and urogenital strains, usually causing infections restricted to epithelial cells of the conjunctiva and genital mucosa, respectively, and lymphogranulo...

journal_title：Journal of bacteriology

authors： Almeida F,Borges V,Ferreira R,Borrego MJ,Gomes JP,Mota LJ

更新日期：2012-12-01 00:00:00

abstract：:The uropathogenic Escherichia coli strain 536 carries at least five genetic elements on its chromosome that meet all criteria characteristic of pathogenicity islands (PAIs). One main feature of these distinct DNA regions is their instability. We applied the so-called island-probing approach and individually labeled al...

journal_title：Journal of bacteriology

authors： Middendorf B,Hochhut B,Leipold K,Dobrindt U,Blum-Oehler G,Hacker J

更新日期：2004-05-01 00:00:00

abstract：:The stable inheritance of the broad-host-range plasmid RK2 is due at least in part to functions within a region located at coordinates 32.8 to 35.9 kb, termed the RK2 par locus. This locus encodes four previously identified genes in two operons (parCBA and parD; M. Gerlitz, O. Hrabak, and H. Schwab, J. Bacteriol. 172:...

journal_title：Journal of bacteriology

authors： Roberts RC,Helinski DR

更新日期：1992-12-01 00:00:00

abstract：:A temperate phage, phi CTX, is a cytotoxin-converting phage of Pseudomonas aeruginosa. In this study, we characterized the lipopolysaccharide (LPS) structures of phi CTX-resistant mutants derived from phi CTX-sensitive strains. phi CTX infectivity was neutralized by LPS preparations derived from sensitive strains but ...

journal_title：Journal of bacteriology

authors： Yokota S,Hayashi T,Matsumoto H

更新日期：1994-09-01 00:00:00

abstract：:The enzyme phosphatidylglycerolphosphate synthase (PGPS; CDP-diacylglycerol glycerol 3-phosphate 3-phosphatidyltransferase; EC 2.7.8.5) catalyzes the committed step in the cardiolipin biosynthetic pathway. To study the regulation of PGPS in Schizosaccharomyces pombe, we characterized the enzyme biochemically. Maximum ...

journal_title：Journal of bacteriology

authors： Karkhoff-Schweizer RR,Kelly BL,Greenberg ML

更新日期：1991-10-01 00:00:00

abstract：:Neisseria gonorrhoeae releases peptidoglycan fragments during growth. The majority of the fragments released are peptidoglycan monomers, molecules known to increase pathogenesis through the induction of proinflammatory cytokines and responsible for the killing of ciliated epithelial cells. In other gram-negative bacte...

journal_title：Journal of bacteriology

authors： Garcia DL,Dillard JP

更新日期：2008-06-01 00:00:00

abstract：:As adhesion fimbriae are a major virulence factor for many pathogenic Gram-negative bacteria, they are also potential targets for antibodies. Fimbriae are commonly required for initiating the colonization that leads to disease, and their success as adhesion organelles lies in their ability to both initiate and sustain...

journal_title：Journal of bacteriology

authors： Singh B,Mortezaei N,Savarino SJ,Uhlin BE,Bullitt E,Andersson M

更新日期：2016-12-13 00:00:00

abstract：:Streptococcus salivarius, a gram-positive bacterium found in the human oral cavity, expresses flexible peritrichous fimbriae. In this paper, we report purification and partial characterization of S. salivarius fimbriae. Fimbriae were extracted by shearing the cell surface of hyperfimbriated mutant A37 (a spontaneous m...

journal_title：Journal of bacteriology

authors： Lévesque C,Vadeboncoeur C,Chandad F,Frenette M

更新日期：2001-05-01 00:00:00

abstract：:Strains of avian pathogenic Escherichia coli (APEC), the common pathogen of avian colibacillosis, encounter reactive oxygen species (ROS) during the infection process. Superoxide dismutases (SODs), acting as antioxidant factors, can protect against ROS-mediated host defenses. Our previous reports showed that the sodA ...

journal_title：Journal of bacteriology

authors： Gao Q,Xia L,Wang X,Ye Z,Liu J,Gao S

更新日期：2019-02-25 00:00:00