KtrAB, a new type of bacterial K(+)-uptake system from Vibrio alginolyticus.

abstract：:ZmaR is a resistance determinant of unusual abundance in the environment and confers on gram-positive and gram-negative bacteria resistance to zwittermicin A, a novel broad-spectrum antibiotic produced by species of Bacillus. The ZmaR protein has no sequence similarity to proteins of known function; thus, the purpose ...

journal_title：Journal of bacteriology

authors： Stohl EA,Brady SF,Clardy J,Handelsman J

更新日期：1999-09-01 00:00:00

abstract：:Saz, Arthur K. (National Institute of Allergy and Infectious Diseases, Bethesda, Md.), Dolores L. Lowery, and Leah J. Jackson. Staphylococcal penicillinase. I. Inhibition and stimulation of activity. J. Bacteriol. 82:298-304. 1961.-The penicillinase extracted from a penicillin-resistant strain of Staphylococcus aureus...

journal_title：Journal of bacteriology

authors： SAZ AK,LOWERY DL,JACKSON LJ

更新日期：1961-08-01 00:00:00

abstract：:Proteus swarming is the rapid cyclical population migration across surfaces by elongated cells that hyperexpress flagellar and virulence genes. The mini-Tn5 transposon mutant mns2 was isolated as a tight nonswarming mutant that did not elongate or upregulate flagellar and hemolysin genes. Individual cell motility was ...

journal_title：Journal of bacteriology

authors： Hay NA,Tipper DJ,Gygi D,Hughes C

更新日期：1997-08-01 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：:Disruption of gene HI0894 or HI0895 in Haemophilus influenzae Rd, homologs of Escherichia coli acrAB multidrug efflux genes, caused hypersusceptibility to erythromycin, rifampin, novobiocin, and dyes such as ethidium bromide and crystal violet and increased accumulation of radioactive erythromycin, showing that these ...

journal_title：Journal of bacteriology

authors： Sánchez L,Pan W,Viñas M,Nikaido H

更新日期：1997-11-01 00:00:00

abstract：:Production of deoxyribonucleotides for DNA synthesis is an essential and tightly regulated process. The class Ia ribonucleotide reductase (RNR), the product of the nrdAB genes, is required for aerobic growth of Escherichia coli. In catalyzing the reduction of ribonucleotides, two of the cysteines of RNR become oxidize...

journal_title：Journal of bacteriology

authors： Feeney MA,Ke N,Beckwith J

更新日期：2012-03-01 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：:We have investigated the regulation of the operon encoding xylose utilization in Staphylococcus xylosus C2a and Staphylococcus carnosus TM300. For in vivo studies, transcriptional fusions of the xylAB regulatory region to the lipase gene from Staphylococcus hyicus were constructed. Repression of lipase activity depend...

journal_title：Journal of bacteriology

authors： Sizemore C,Wieland B,Götz F,Hillen W

更新日期：1992-05-01 00:00:00

abstract：:Cells of Escherichia coli take up vitamin B(12) (cyano-cobalamin [CN-Cbl]) and iron chelates by use of sequential active transport processes. Transport of CN-Cbl across the outer membrane and its accumulation in the periplasm is mediated by the TonB-dependent transporter BtuB. Transport across the cytoplasmic membrane...

journal_title：Journal of bacteriology

authors： Cadieux N,Bradbeer C,Reeger-Schneider E,Köster W,Mohanty AK,Wiener MC,Kadner RJ

更新日期：2002-02-01 00:00:00

abstract：:Synthesis of wild-type Neurospora crassa assimilatory nitrate reductase is induced in the presence of nitrate ions and repressed in the presence of ammonium ions. Effects of several Neurospora mutations on the regulation of this enzyme are shown: (i) the mutants, nit-1 and nit-3, involving separate lesions, lack reduc...

journal_title：Journal of bacteriology

authors： Dantzig AH,Zurowski WK,Ball TM,Nason A

更新日期：1978-02-01 00:00:00

abstract：:Protein 1, a major protein of the outer membrane of Escherichia coli, has been shown to be the pore allowing the passage of small hydrophilic solutes across the outer membrane. In E. coli K-12 protein 1 consists of two subspecies, 1a and 1b, whereas in E. coli B it consists of a single species which has an electrophor...

journal_title：Journal of bacteriology

authors： Pugsley AP,Schnaitman CA

更新日期：1978-03-01 00:00:00

abstract：:The deoxyribonucleic acid base composition (percent guanine + cytosine [GC]) was determined for 29 strains, representing 18 species of the genus Kluyveromyces. It was concluded that on the basis of GC content (47.4%) and other properties K. veronae occupies an uncertain position in the genus Kluyveromyces. The GC cont...

journal_title：Journal of bacteriology

authors： Martini A,Phaff HJ,Douglass SA

更新日期：1972-08-01 00:00:00

abstract：:Transcription of the ferric citrate transport genes of Escherichia coli is induced by ferric citrate bound to the outer membrane receptor FecA. Additional ferric citrate-specific regulatory proteins are FecR in the cytoplasmic membrane and the FecI sigma factor in the cytoplasm. To further understand the assumed FecR-...

journal_title：Journal of bacteriology

authors： Welz D,Braun V

更新日期：1998-05-01 00:00:00

abstract：:Spores of Bacillus subtilis have a thick outer layer of relatively insoluble protein called the coat, which protects spores against a number of treatments and may also play roles in spore germination. However, elucidation of precise roles of the coat in spore properties has been hampered by the inability to prepare sp...

journal_title：Journal of bacteriology

authors： Ghosh S,Setlow B,Wahome PG,Cowan AE,Plomp M,Malkin AJ,Setlow P

更新日期：2008-10-01 00:00:00

abstract：:The basis for the difference between Campylobacter jejuni and Campylobacter coli is the presence and expression of the N-benzoylglycine amidohydrolase (hippuricase) gene only in C. jejuni. A pBR322 recombinant clone (pHIP-O) of C. jejuni TGH9011 capable of converting hippuric acid into benzoic acid and glycine, the ha...

journal_title：Journal of bacteriology

authors： Hani EK,Chan VL

更新日期：1995-05-01 00:00:00

abstract：:Cells of the gliding bacterium Flavobacterium johnsoniae move rapidly over surfaces. Mutations in gldN cause a partial defect in gliding. A novel bacteriophage selection strategy was used to aid construction of a strain with a deletion spanning gldN and the closely related gene gldO in an otherwise wild-type F. johnso...

journal_title：Journal of bacteriology

authors： Rhodes RG,Samarasam MN,Shrivastava A,van Baaren JM,Pochiraju S,Bollampalli S,McBride MJ

更新日期：2010-03-01 00:00:00

abstract：:The Bacillus subtilis enzymes ExoA and Nfo (originally termed YqfS) are endonucleases that can repair apurinic/apyrimidinic (AP) sites and strand breaks in DNA. We have analyzed how the lack of ExoA and Nfo affects the resistance of growing cells and dormant spores of B. subtilis to a variety of treatments, some of wh...

journal_title：Journal of bacteriology

authors： Salas-Pacheco JM,Setlow B,Setlow P,Pedraza-Reyes M

更新日期：2005-11-01 00:00:00

abstract：:Bifidobacterium breve is an actinobacterium frequently isolated from colonic microbiota of breastfeeding babies. Here, we report the complete and annotated genome sequence of a B. breve strain isolated from human milk, B. breve CECT 7263. The genome sequence will provide new insights into the biology of this potential...

journal_title：Journal of bacteriology

authors： Jiménez E,Villar-Tajadura MA,Marín M,Fontecha J,Requena T,Arroyo R,Fernández L,Rodríguez JM

更新日期：2012-07-01 00:00:00

abstract：:Rhizobium phaseoli lacks glutamate dehydrogenase (GDH) and assimilates ammonium by the glutamine synthetase-glutamate synthase pathway. A strain of R. phaseoli harboring the Escherichia coli GDH structural gene (gdhA) was constructed. GDH activity was expressed in R. phaseoli in the free-living state and in symbiosis....

journal_title：Journal of bacteriology

authors： Bravo A,Becerril B,Mora J

更新日期：1988-02-01 00:00:00

abstract：:Immunological methods were used to examine the flagellin production of Salmonella typhimurium strains that carried a mutation in one of the two possible genes for flagellin (H1 or H2) and also were incapable of expressing the other gene. Some mutants produced flagellin that was excreted into the culture medium; others...

journal_title：Journal of bacteriology

authors： Homma M,Fujita H,Yamaguchi S,Iino T

更新日期：1987-01-01 00:00:00

abstract：:The flagellar regulon of Brucella melitensis 16M contains 31 genes clustered in three loci on the small chromosome. These genes encode a polar sheathed flagellum that is transiently expressed during vegetative growth and required for persistent infection in a mouse model. By following the expression of three flagellar...

journal_title：Journal of bacteriology

authors： Léonard S,Ferooz J,Haine V,Danese I,Fretin D,Tibor A,de Walque S,De Bolle X,Letesson JJ

更新日期：2007-01-01 00:00:00

abstract：:Recently, a new type of K+ transporter, Ktr, has been identified in the bacterium Vibrio alginolyticus (T. Nakamura, R. Yuda, T. Unemoto, and E. P. Bakker, J. Bacteriol. 180:3491-3494, 1998). The Ktr transport system consists of KtrB, an integral membrane subunit, and KtrA, a subunit peripherally bound to the cytoplas...

journal_title：Journal of bacteriology

authors： Holtmann G,Bakker EP,Uozumi N,Bremer E

更新日期：2003-02-01 00:00:00

abstract：:Cells of Bacillus thuringiensis containing refractile spores autolyzed readily when suspended in buffer. The autolysate contained enzymes which lysed vegetative cell walls of the organism. Three enzymes were isolated from the autolysate, and each was purified approximately 30-fold. One enzyme, most active near pH 4.0,...

journal_title：Journal of bacteriology

authors： Kingan SL,Ensign JC

更新日期：1968-09-01 00:00:00

abstract：:Eisenberg, M. A. (Columbia University, New York, N.Y.). Biotin biosynthesis. I. Biotin yields and biotin vitamers in cultures of Phycomyces blakesleeanus. J. Bacteriol. 86:673-680. 1963.-The addition of pimelic acid to a well-aerated medium resulted in a 10- to 12-fold increase in the biotin production of Phycomyces b...

journal_title：Journal of bacteriology

authors： EISENBERG MA

更新日期：1963-10-01 00:00:00

abstract：:Genetic exchange mechanisms, to our knowledge, have not been reported for Legionella pneumophila, and consequently, studies on the genetic organization of L. pneumophila have not appeared in the literature. Here, we describe gene transfer mediated by broad host range conjugative plasmids in Legionella spp. Escherichia...

journal_title：Journal of bacteriology

authors： Dreyfus LA,Iglewski BH

更新日期：1985-01-01 00:00:00

abstract：:Exoelectrogens are able to transfer electrons extracellularly, enabling them to respire on insoluble terminal electron acceptors. Extensively studied exoelectrogens, such as Geobacter sulfurreducens and Shewanella oneidensis, are Gram negative. More recently, it has been reported that Gram-positive bacteria, such as L...

journal_title：Journal of bacteriology

authors： Jeuken LJC,Hards K,Nakatani Y

更新日期：2020-03-11 00:00:00

abstract：:Ruthenium red stained a capsule external to the exine of the Azotobacter cyst. The central body is therefore surrounded by three layers, the intine, the exine, and the capsule, all containing acid mucopolysaccharide. Vesicles that appear to originate from the contracting cell membrane of the central body may account f...

journal_title：Journal of bacteriology

authors： Pope LM,Wyss O

更新日期：1970-04-01 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：UNLABELLED:Clostridium perfringens type D strains are usually associated with diseases of livestock, and their virulence requires the production of epsilon toxin (ETX). We previously showed (J. Li, S. Sayeed, S. Robertson, J. Chen, and B. A. McClane, PLoS Pathog 7:e1002429, 2011, http://dx.doi.org/10.1371/journal.ppat....

journal_title：Journal of bacteriology

authors： Li J,Freedman JC,McClane BA

更新日期：2015-10-01 00:00:00

abstract：:We identified Mg2+-responsive promoters of the phoPQ, mgtA, and mgrB genes of Escherichia coli K-12 by S1 nuclease analysis. Expression of these genes was induced by magnesium limitation and depended on PhoP and PhoQ. The transcription start sites were also determined, which allowed us to find a (T/G)GTTTA direct repe...

journal_title：Journal of bacteriology

authors： Kato A,Tanabe H,Utsumi R

更新日期：1999-09-01 00:00:00