Deficiency of the Rgg regulator promotes H2O2 resistance, AhpCF-mediated H2O2 decomposition, and virulence in Streptococcus pyogenes.

abstract：:A sulfonic acid found to be a major constituent of spores of Bacillus subtilis was provisionally identified as 3-l-sulfolactic acid. This compound was completely absent from vegetative cells during growth, but large amounts accumulated in sporulating cells just before the development of refractile spores. Essentially ...

journal_title：Journal of bacteriology

authors： Bonsen PP,Spudich JA,Nelson DL,Kornberg A

更新日期：1969-04-01 00:00:00

abstract：:Gartner, T. K. (University of California, Santa Barbara), and E. Orias. Effects of mutations to streptomycin resistance on the rate of translation of mutant genetic information. J. Bacteriol. 91:1021-1028. 1966.-The effects of mutations to streptomycin resistance of independent origin upon the translation of suppressi...

journal_title：Journal of bacteriology

authors： Gartner TK,Orias E

更新日期：1966-03-01 00:00:00

abstract：:Membrane fractions from a lon strain of Escherichia coli but not a wild-type strain catalyze the incorporation of fucose from guanosine 5'-diphosphate-fucose into a lipid and into polymeric material. Both incorporation reactions specifically require only uridine 5'-diphosphate (UDP)-glucose. The sugar lipid was shown ...

journal_title：Journal of bacteriology

authors： Johnson JG,Wilson DB

更新日期：1977-01-01 00:00:00

abstract：:A new insertion element, IS1549, was identified serendipitously from Mycobacterium smegmatis LR222 during experiments using a vector designed to detect the excision of IS6110 from between the promoter region and open reading frame (ORF) of an aminoglycoside phosphotransferase gene. Six of the kanamycin-resistant isola...

journal_title：Journal of bacteriology

authors： Plikaytis BB,Crawford JT,Shinnick TM

更新日期：1998-03-01 00:00:00

abstract：:Cells of the Escherichia coli dnaE(Ts) dnaE74 and dnaE486 mutants die after 4 h of incubation at 40 degrees C in Luria-Bertani medium. Cell death is preceded by elongation, is inhibited by chloramphenicol, tetracycline, or rifampin, and is dependent on cell density. Cells survive at 40 degrees C when they are incubate...

journal_title：Journal of bacteriology

authors： Strauss B,Kelly K,Dincman T,Ekiert D,Biesieda T,Song R

更新日期：2004-04-01 00:00:00

abstract：:Neely, W. Brock (The Dow Chemical Co., Midland, Mich.). Action of formaldehyde on microorganisms. I. Correlation of activity with formaldehyde metabolism. J. Bacteriol. 85:1028-1031. 1963.-The action of formaldehyde in concentrations sublethal for the culture appeared to be at least twofold. The first phase caused a d...

journal_title：Journal of bacteriology

authors： NEELY WB

更新日期：1963-05-01 00:00:00

abstract：:The Aer protein in Escherichia coli is a membrane-bound, FAD-containing aerotaxis and energy sensor that putatively monitors the redox state of the electron transport system. Binding of FAD to Aer requires the N-terminal PAS domain and residues in the F1 region and C-terminal HAMP domain. The PAS domains of other PAS ...

journal_title：Journal of bacteriology

authors： Herrmann S,Ma Q,Johnson MS,Repik AV,Taylor BL

更新日期：2004-10-01 00:00:00

abstract：:Multiple copies of a gene require enhanced investment on the part of the cell and, as such, call for an explanation. The observation that Escherichia coli has four copies of initiator tRNA (tRNAi) genes, encoding a special tRNA (tRNA(fMet)) required to start protein synthesis, is puzzling particularly because the cell...

journal_title：Journal of bacteriology

authors： Samhita L,Nanjundiah V,Varshney U

更新日期：2014-07-01 00:00:00

abstract：:Individually, the ribosomal proteins L1, L23, L36, and S6 are not essential for cell proliferation of Bacillus subtilis, but the absence of any one of these ribosomal proteins causes a defect in the formation of the 70S ribosomes and a reduced growth rate. In mutant strains individually lacking these ribosomal protein...

journal_title：Journal of bacteriology

authors： Akanuma G,Yamazaki K,Yagishi Y,Iizuka Y,Ishizuka M,Kawamura F,Kato-Yamada Y

更新日期：2018-08-24 00:00:00

abstract：:Swarmer cell differentiation is a complex process involving the activity of many gene products. In this report, we characterized the genetic locus of Tn5 insertion in each of 12 mutants defective in swarmer cell elongation. The mutations fell into four categories affecting either flagellar biosynthesis or energetics, ...

journal_title：Journal of bacteriology

authors： Belas R,Goldman M,Ashliman K

更新日期：1995-02-01 00:00:00

abstract：:The filamentous cyanobacterium Anabaena fixes nitrogen in specialized cells called heterocysts. The immediate product of fixation, ammonia, is known to be assimilated by addition to glutamate to make glutamine. How fixed nitrogen is transported along the filament to the 10 to 20 vegetative cells that separate heterocy...

journal_title：Journal of bacteriology

authors： Ke S,Haselkorn R

更新日期：2013-01-01 00:00:00

abstract：:In Bacillus subtilis, carbon catabolite repression (CCR) of many genes is mediated at cis-acting carbon repression elements (cre) by the catabolite repressor protein CcpA. Mutations in transcription-repair coupling factor (mfd) partially relieve CCR at cre sites located downstream of transcriptional start sites by abo...

journal_title：Journal of bacteriology

authors： Zalieckas JM,Wray LV Jr,Fisher SH

更新日期：1998-12-01 00:00:00

abstract：:We cloned the cryptic phn operon of a K-12 strain, phn(EcoK), and analyzed the nucleotide sequence of the phn region (11,672 bp). An mRNA start site upstream of the phnC gene was identified by S1 nuclease mapping. The pho regulon activator PhoB protects a pho box region near the mRNA start in DNase I footprinting and ...

journal_title：Journal of bacteriology

authors： Makino K,Kim SK,Shinagawa H,Amemura M,Nakata A

更新日期：1991-04-01 00:00:00

abstract：:Three spontaneous derivatives of Streptococcus faecium ATCC 9790, originally isolated as conditionally Triton X-100 detergent-resistant at 25 degrees C, displayed normal penicillin-induced rates of lysis at 37 degrees C but substantially reduced rates of lysis and killing at 25 degrees C. The addition of exogenous uns...

journal_title：Journal of bacteriology

authors： Pucci MJ,Daneo-Moore L

更新日期：1984-08-01 00:00:00

abstract：:Escherichia coli ssrA encodes a small stable RNA molecule, tmRNA, that has many diverse functions, including tagging abnormal proteins for degradation, supporting phage growth, and modulating the activity of DNA binding proteins. Here we show that ssrA plays a role in Salmonella enterica serovar Typhimurium pathogenes...

journal_title：Journal of bacteriology

authors： Julio SM,Heithoff DM,Mahan MJ

更新日期：2000-03-01 00:00:00

abstract：:The Salmonella typhimurium aroF gene, encoding the tyrosine-sensitive 3-deoxy-D-arabino-heptulosonate 7-phosphate (DAHP) synthase, was localized to a chromosomal PstI fragment by Southern blotting with an Escherichia coli aroF probe. This fragment was cloned by screening a plasmid library for complementation of an E. ...

journal_title：Journal of bacteriology

authors： Muday GK,Herrmann KM

更新日期：1990-05-01 00:00:00

abstract：:The polysaccharide intercellular adhesin or the cell wall-anchored accumulation-associated protein (Aap) mediates cellular accumulation during Staphylococcus epidermidis biofilm maturation. Mutation of sortase, which anchors up to 11 proteins (including Aap) to the cell wall, blocked biofilm development by the cerebro...

journal_title：Journal of bacteriology

authors： Conlon BP,Geoghegan JA,Waters EM,McCarthy H,Rowe SE,Davies JR,Schaeffer CR,Foster TJ,Fey PD,O'Gara JP

更新日期：2014-12-01 00:00:00

abstract：:Certain gram-negative pathogens are known to control virulence gene expression through cell-cell communication via small diffusible signal molecules termed autoinducers. This intercellular signal transduction mechanism termed quorum sensing depends on the interaction of an N-acylhomoserine lactone (AHL) auto-inducer m...

journal_title：Journal of bacteriology

authors： Milton DL,Hardman A,Camara M,Chhabra SR,Bycroft BW,Stewart GS,Williams P

更新日期：1997-05-01 00:00:00

abstract：:Fatty acid desaturation catalyzed by fatty acid desaturases requires molecular oxygen (O(2)). Saccharomyces cerevisiae cells derepress expression of OLE1 encoding Delta9 fatty acid desaturase under hypoxic conditions to allow more-efficient use of limited O(2). It has been proposed that aerobic conditions lead to repr...

journal_title：Journal of bacteriology

authors： Nakagawa Y,Sugioka S,Kaneko Y,Harashima S

更新日期：2001-01-01 00:00:00

abstract：:The polymerase chain reaction (PCR) has been used to amplify DNA fragments by using eucaryotic genomic DNA as a template. We show that bacterial genomic DNA can be used as a template for PCR amplification. We demonstrate that DNA fragments at least as large as 4,400 base pairs can be amplified with fidelity and that t...

journal_title：Journal of bacteriology

authors： Shyamala V,Ames GF

更新日期：1989-03-01 00:00:00

abstract：:Two types of adhesive fimbriae are expressed by Actinomyces; however, the architecture and the mechanism of assembly of these structures remain poorly understood. In this study we characterized two fimbrial gene clusters present in the genome of Actinomyces naeslundii strain MG-1. By using immunoelectron microscopy an...

journal_title：Journal of bacteriology

authors： Mishra A,Das A,Cisar JO,Ton-That H

更新日期：2007-04-01 00:00:00

abstract：:Rubrerythrin was purified by multistep chromatography under anaerobic, reducing conditions from the hyperthermophilic archaeon Pyrococcus furiosus. It is a homodimer with a molecular mass of 39.2 kDa and contains 2.9 +/- 0.2 iron atoms per subunit. The purified protein had peroxidase activity at 85 degrees C using hyd...

journal_title：Journal of bacteriology

authors： Weinberg MV,Jenney FE Jr,Cui X,Adams MW

更新日期：2004-12-01 00:00:00

abstract：:The antibiotic albomycin is highly effective against Streptococcus pneumoniae, with an MIC of 10 ng/ml. The reason for the high efficacy was studied by measuring the uptake of albomycin into S. pneumoniae. Albomycin was transported via the system that transports the ferric hydroxamates ferrichrome and ferrioxamine B. ...

journal_title：Journal of bacteriology

authors： Pramanik A,Braun V

更新日期：2006-06-01 00:00:00

abstract：:DNA sequence analysis of the modABCD operon of Escherichia coli revealed the presence of four open reading frames. The first gene, modA, codes for a 257-amino-acid periplasmic binding protein enunciated by the presence of a signal peptide-like sequence. The second gene (modB) encodes a 229-amino-acid protein with a po...

journal_title：Journal of bacteriology

authors： Maupin-Furlow JA,Rosentel JK,Lee JH,Deppenmeier U,Gunsalus RP,Shanmugam KT

更新日期：1995-09-01 00:00:00

abstract：:Arai, Tadashi (Chiba University, Chiba, Japan), Shyuko Kuroda, and Michio Ito. Possible utility of a fluorescent antibody technique in the serological identification of antagonistic Streptomyces. J. Bacteriol. 83:20-26. 1962.-The indirect fluorescent antibody technique was extended to the serological investigation of ...

journal_title：Journal of bacteriology

authors： ARAI T,KURODA S,ITO M

更新日期：1962-01-01 00:00:00

abstract：:In Neurospora crassa, the expression of nit-3, the structural gene which encodes nitrate reductase, is highly regulated and requires both nitrate induction and nitrogen catabolite derepression. The major nitrogen regulatory gene, nit-2, acts in a positive fashion to turn on the expression of nit-3 and other nitrogen-r...

journal_title：Journal of bacteriology

authors： Fu YH,Marzluf GA

更新日期：1988-02-01 00:00:00

abstract：:A superfamily of transport proteins, which includes the lactose permease of Escherichia coli, contains a highly conserved motif, G-X-X-X-D/E-R/K-X-G-R/K-R/K, in the loops that connect transmembrane segments 2 and 3 and transmembrane segments 8 and 9. Previous analysis of this motif in the lactose permease (A. E. Jesse...

journal_title：Journal of bacteriology

authors： Jessen-Marshall AE,Parker NJ,Brooker RJ

更新日期：1997-04-01 00:00:00

abstract：:The phs mutation of Escherichia coli has been suggested to affect the Na+/H+ antiport (D. Zilberstein, E. Padan, and S. Schuldiner, FEBS Lett. 168:327-330, 1980). We have recently shown that the mutation affects the rpoA gene and thus affects transcription. The extent of the pleiotropy of the phs mutation was investig...

journal_title：Journal of bacteriology

authors： Giffard PM,Rowland GC,Kroll RG,Stewart LM,Bakker EP,Booth IR

更新日期：1985-11-01 00:00:00

abstract：:The activity of the toluene-responsive sigma(54) Pu promoter of the pWW0 TOL plasmid of Pseudomonas putida is down-regulated in vivo during exponential growth in rich medium and also by the presence of glucose in the culture. Although the Pu promoter already performs poorly during log growth in minimal medium when ame...

journal_title：Journal of bacteriology

authors： Cases I,de Lorenzo V

更新日期：2000-02-01 00:00:00

abstract：:Halocin S8 is a hydrophobic microhalocin of 36 amino acids (3,580 Da) and is the first microhalocin to be described. This peptide antibiotic is unique since it is processed from inside a much larger, 33,962-Da pro-protein. Halocin S8 is quite robust, as it can be desalted, boiled, subjected to organic solvents, and st...

journal_title：Journal of bacteriology

authors： Price LB,Shand RF

更新日期：2000-09-01 00:00:00