Formation of the K30 (group I) capsule in Escherichia coli O9:K30 does not require attachment to lipopolysaccharide lipid A-core.

abstract：:Ubiquitination of intracellular proteins by the yeast RAD6 (UBC2) ubiquitin-conjugating (E2) enzyme is required for cellular processes as diverse as DNA repair, selective proteolysis, and normal growth. For most RAD6-dependent functions, the relevant in vivo targets, as well as the mechanisms and cofactors that govern...

journal_title：Journal of bacteriology

authors： McDonough M,Sangan P,Gonda DK

更新日期：1995-02-01 00:00:00

abstract：:A Bordetella bronchiseptica iron transport mutant was isolated following an enrichment procedure based on streptonigrin resistance. The mutant displayed a growth defect on iron-restricted medium containing ferric alcaligin as the sole iron source. In addition to the apparent inability to acquire iron from the sideroph...

journal_title：Journal of bacteriology

authors： Beaumont FC,Kang HY,Brickman TJ,Armstrong SK

更新日期：1998-02-01 00:00:00

abstract：:Microorganisms and plants utilize two-component systems to regulate adaptive responses to changing environmental conditions. Sensor kinases detect stimuli and alter their autophosphorylation activity accordingly. Signal propagation occurs via the transfer of phosphoryl groups from upstream kinases to downstream respon...

journal_title：Journal of bacteriology

authors： Straughn PB,Vass LR,Yuan C,Kennedy EN,Foster CA,Bourret RB

更新日期：2020-07-09 00:00:00

abstract：:Cell suspensions of Bacteroides fragilis were allowed to ferment glucose and lactate labeled with (14)C in different positions. The fermentation products, propionate and acetate, were isolated, and the distribution of radioactivity was determined. An analysis of key enzymes of possible pathways was also made. The resu...

journal_title：Journal of bacteriology

authors： Macy JM,Ljungdahl LG,Gottschalk G

更新日期：1978-04-01 00:00:00

abstract：:A set of oligonucleotide primers capable of initiating enzymatic amplification (polymerase chain reaction) on a phylogenetically and taxonomically wide range of bacteria is described along with methods for their use and examples. One pair of primers is capable of amplifying nearly full-length 16S ribosomal DNA (rDNA) ...

journal_title：Journal of bacteriology

authors： Weisburg WG,Barns SM,Pelletier DA,Lane DJ

更新日期：1991-01-01 00:00:00

abstract：:Microbial communities span many orders of magnitude, ranging in scale from hundreds of cells on a single particle of soil to billions of cells within the lumen of the gastrointestinal tract. Bacterial cells in all habitats are members of densely populated local environments that facilitate competition between neighbor...

journal_title：Journal of bacteriology

authors： Stubbendieck RM,Straight PD

更新日期：2016-07-28 00:00:00

abstract：:Constitutive beta-glucosidases from Saccharomyces fragilis (Y-18) and S. dobzhanskii (Y-19) precipitated at the same concentration of ammonium sulfate. The partially purified enzymes had similar activation energies, molecular weights, affinities for certain natural and synthetic beta-glucosides, and optimal pH values ...

journal_title：Journal of bacteriology

authors： Fleming LW,Duerksen JD

更新日期：1967-01-01 00:00:00

abstract：:Upon induction, Bacillus megaterium 216 produces the bacteriocin megacin A-216, which leads to lysis of the producer cell and kills B. megaterium and a few other bacterial species. The DNA region responsible for megacinogeny was cloned in B. megaterium. The nucleotide sequence of a 5,494-bp-long subfragment was determ...

journal_title：Journal of bacteriology

authors： Kiss A,Balikó G,Csorba A,Chuluunbaatar T,Medzihradszky KF,Alföldi L

更新日期：2008-10-01 00:00:00

abstract：:The strict human pathogen Neisseria gonorrhoeae is exposed to oxidative damage during infection. N. gonorrhoeae has many defenses that have been demonstrated to counteract oxidative damage. However, recN is the only DNA repair and recombination gene upregulated in response to hydrogen peroxide (H(2)O(2)) by microarray...

journal_title：Journal of bacteriology

authors： Stohl EA,Seifert HS

更新日期：2006-11-01 00:00:00

abstract：:The Escherichia coli beta-galactosidase enzyme was used as a reporter molecule for genetic fusions in Rhodobacter capsulatus. DNA fragments that were from the upstream region of the hydrogenase structural operon hupSLM and contained 5' hupS sequences were fused in frame to a promoterless lacZ gene, yielding fusion pro...

journal_title：Journal of bacteriology

authors： Colbeau A,Vignais PM

更新日期：1992-07-01 00:00:00

abstract：:We describe techniques for isolating individual pairs of mating Escherichia coli and observing them under the light microscope. Some pairs achieved close cell-to-cell contact, whereas others remained loosely connected by invisible connections which may be F pili. After 30 min of mating, the pairs were separated and al...

journal_title：Journal of bacteriology

authors： Ou JT,Anderson TF

更新日期：1970-06-01 00:00:00

abstract：:Streptococcus bovis possesses two sugar phosphate phosphatases (Pases). Pase I is a soluble enzyme that is inhibited by the membrane fractions from lactose-grown cells and is insensitive to activation by S46D HPr, an analog of HPr(ser-P) of the sugar phosphotransferase system. Pase II is a membrane-associated enzyme t...

journal_title：Journal of bacteriology

authors： Cook GM,Ye JJ,Russell JB,Saier MH Jr

更新日期：1995-12-01 00:00:00

abstract：:Frampton, E. W. (The University of Texas M. D. Anderson Hospital and Tumor Institute, Houston), and B. R. Brinkley. Evidence of lysogeny in derivatives of Escherichia coli. J. Bacteriol. 90:446-452. 1965.-Exposure of cultures of several thymine-requiring derivatives of Escherichia coli strain 15 to radiation [X rays o...

journal_title：Journal of bacteriology

authors： FRAMPTON EW,BRINKLEY BR

更新日期：1965-08-01 00:00:00

abstract：:The EutD protein of Salmonella enterica is homologous to the catalytic domain of the phosphotransacetylase (Pta) enzyme. The Pta-like activity level of the EutD enzyme compared favorably to that of other Pta enzymes. High-pressure liquid chromatography and mass spectrometry verified that acetyl-coenzyme A was the prod...

journal_title：Journal of bacteriology

authors： Brinsmade SR,Escalante-Semerena JC

更新日期：2004-03-01 00:00:00

abstract：:Molybdenum (Mo) is an important trace element that is toxic at high concentrations. To resolve the mechanisms underlying Mo toxicity, Rhodobacter capsulatus mutants tolerant to high Mo concentrations were isolated by random transposon Tn5 mutagenesis. The insertion sites of six independent isolates mapped within the s...

journal_title：Journal of bacteriology

authors： Gisin J,Müller A,Pfänder Y,Leimkühler S,Narberhaus F,Masepohl B

更新日期：2010-11-01 00:00:00

abstract：:ComX and CSF are Bacillus subtilis extracellular signaling peptides. Many different strains of B. subtilis do not communicate due to strain-specific variation of ComX. We demonstrate that CSF is a species-specific signaling molecule that partially compensates for the lack of ComX-mediated communication between differe...

journal_title：Journal of bacteriology

authors： Pottathil M,Jung A,Lazazzera BA

更新日期：2008-06-01 00:00:00

abstract：:Plasmid pE194 has been shown to be rescued by integration after cultivation of infected Bacillus subtilis recE4 cells at a restrictive high temperature. The plasmid is also spontaneously excised from the chromosome at a low frequency by precise or imprecise excision (J. Hofemeister, M. Israeli-Reches, and D. Dubnau, M...

journal_title：Journal of bacteriology

authors： Conrad B,Bashkirov VI,Hofemeister J

更新日期：1992-11-01 00:00:00

abstract：UNLABELLED:Ileal lesions of patients with Crohn's disease are colonized by adherent-invasive Escherichia coli (AIEC), which is able to adhere to and to invade intestinal epithelial cells (IEC), to replicate within macrophages, and to form biofilms on the surface of the intestinal mucosa. Previous analyses indicated the...

journal_title：Journal of bacteriology

authors： Chassaing B,Garénaux E,Carriere J,Rolhion N,Guérardel Y,Barnich N,Bonnet R,Darfeuille-Michaud A

更新日期：2015-04-01 00:00:00

abstract：:It has been suggested that catalase-peroxidase plays an important role in several aspects of mycobacterial metabolism and is a virulence factor in the main pathogenic mycobacteria. In this investigation, we studied genes encoding for this protein in the fast-growing opportunistic pathogen Mycobacterium fortuitum. Nucl...

journal_title：Journal of bacteriology

authors： Menéndez MC,Ainsa JA,Martín C,García MJ

更新日期：1997-11-01 00:00:00

abstract：:In Listeria monocytogenes, the full details of how stress signals are integrated into the σB regulatory pathway are not yet available. To help shed light on this question, we investigated a collection of transposon mutants that were predicted to have compromised activity of the alternative sigma factor B (σB). These m...

journal_title：Journal of bacteriology

authors： Guerreiro DN,Wu J,Dessaux C,Oliveira AH,Tiensuu T,Gudynaite D,Marinho CM,Boyd A,García-Del Portillo F,Johansson J,O'Byrne CP

更新日期：2020-04-09 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：:Nine acetotrophic and three methylotrophic strains of methane-producing bacteria were screened for the presence of plasmid DNA. Plasmids were detected in three marine isolates, including Methanosarcina acetivorans. All three plasmids appeared to be similar based on size and restriction site analyses. The plasmid from ...

journal_title：Journal of bacteriology

authors： Sowers KR,Gunsalus RP

更新日期：1988-10-01 00:00:00

abstract：:Two hundred strains of Escherichia coli harboring Filv+ plasmids which carry a segment of the Salmonella typhimurium chromosome were isolated independently. Among them, two strains were found to harbor F' plasmids that are able to replicate in Hfr cells of E. coli; i.e., they carry a site designated poh (permissive on...

journal_title：Journal of bacteriology

authors： Joh K,Hiraga S

更新日期：1979-05-01 00:00:00

abstract：:In order to examine the potential role of bacterial collagenases in periodontal tissue destruction, we recently isolated a gene, prtC, from Porphyromonas gingivalis ATCC 53977, which expressed collagenase activity (N. Takahashi, T. Kato, and H. K. Kuramitsu, FEMS Microbiol. Lett. 84:135-138, 1991). The nucleotide sequ...

journal_title：Journal of bacteriology

authors： Kato T,Takahashi N,Kuramitsu HK

更新日期：1992-06-01 00:00:00

abstract：:MukBEF is a bacterial SMC (structural maintenance of chromosome) complex required for chromosome partitioning in Escherichia coli. We report that overproduction of MukBEF results in marked chromosome condensation. This condensation is rapid and precedes the effects of overproduction on macromolecular synthesis. Conden...

journal_title：Journal of bacteriology

authors： Wang Q,Mordukhova EA,Edwards AL,Rybenkov VV

更新日期：2006-06-01 00:00:00

abstract：:A hydrocarbon-utilizing Brevibacterium which grew into the oil phase of an oil-water system was tested for survival at elevated temperature. Cells suspended in oil and cells that had been resuspended in aqueous solution were tested by placing 1-ml samples of the cell suspension in small test tubes immersed in a contro...

journal_title：Journal of bacteriology

authors： Severance MM,LaRock PA

更新日期：1973-12-01 00:00:00

abstract：:For cells of the yeast Saccharomyces cerevisiae, the size at initiation of budding is proportional to growth rate for rates from 0.33 to 0.23 h-1. At growth rates lower than 0.23 h-1, cells displayed a minimum cell size at bud initiation independent of growth rate. Regardless of growth rate, cells displayed an increas...

journal_title：Journal of bacteriology

authors： Johnston GC,Ehrhardt CW,Lorincz A,Carter BL

更新日期：1979-01-01 00:00:00

abstract：:In Escherichia coli K-12 mutants which had a new nalidixic acid resistance mutation at about 82 min on the chromosome map, cell growth was resistant to or hypersusceptible to nalidixic acid, oxolinic acid, piromidic acid, pipemidic acid, and novobiocin. Deoxyribonucleic acid gyrase activity as tested by supercoiling o...

journal_title：Journal of bacteriology

authors： Yamagishi J,Furutani Y,Inoue S,Ohue T,Nakamura S,Shimizu M

更新日期：1981-11-01 00:00:00

abstract：:In bacteria, normal mutation frequencies are mostly around 10(-10) per base pair. However, there exists natural isolates, called "mutators," that exhibit permanent mutation occurrences up to 1,000-fold greater than usual. As mutations play essential roles, particularly in the evolution of antibiotic resistance, bacter...

journal_title：Journal of bacteriology

authors： Le Bars H,Bousarghin L,Bonnaure-Mallet M,Jolivet-Gougeon A,Barloy-Hubler F

更新日期：2012-07-01 00:00:00

abstract：:When Mucor hiemalis NRRL 3103 was grown in soybean medium, only a small fraction of the proteinase produced by the organism appeared in the culture filtrate, whereas the bulk of the enzyme was bound to the mycelial surface. Optimal pH of the proteinase ranged from 3.0 to 3.5. Inclusion of sodium chloride or other ioni...

journal_title：Journal of bacteriology

authors： Wang HL

更新日期：1967-06-01 00:00:00