Expression of a uniquely regulated extracellular polysaccharide confers a large-capsule phenotype to Bacteroides fragilis.

abstract：:Transposon Tn5-induced C4-dicarboxylate transport mutants of Rhizobium meliloti 2011 which could be complemented by cosmid pRmSC121 were subdivided into two classes. Class I mutants (RMS37 and RMS938) were defective in symbiotic C4-dicarboxylate transport and in nitrogen fixation. They were mutated in the structural g...

journal_title：Journal of bacteriology

authors： Engelke T,Jording D,Kapp D,Pühler A

更新日期：1989-10-01 00:00:00

abstract：:Six peptidase activities have been distinguished electrophoretically in cell extracts of Salmonella typhimurium with the aid of a histochemical stain. The activities can also be partially separated by chromatography on diethylaminoethyl-cellulose. These peptidases show overlapping substrate specificities. Mutants (pep...

journal_title：Journal of bacteriology

authors： Miller CG,Mackinnon K

更新日期：1974-10-01 00:00:00

abstract：:Both fi(+) and fi(-) type R factors function as intact replicative units when segregated into Escherichia coli minicells. Hybridization studies demonstrate that at least 95% of the deoxyribonucleic acid (DNA) in R(+) minicells is episomal in origin. About half of the DNA can be extracted in a closed circular form and ...

journal_title：Journal of bacteriology

authors： Levy SB

更新日期：1971-10-01 00:00:00

abstract：:Rhythmically advancing waves of cells, called ripples, arise spontaneously during the aggregation of Myxococcus xanthus into fruiting bodies. Extracts prepared by washing rippling cells contain a substance that will induce quiescent cells to ripple. Three lines of evidence indicate that murein (peptidoglycan) is the r...

journal_title：Journal of bacteriology

authors： Shimkets LJ,Kaiser D

更新日期：1982-10-01 00:00:00

abstract：:The light organ of the squid Euprymna scolopes is specifically colonized to a high density by the marine bacterium Vibrio fischeri. To date, only a few factors contributing to the specificity of this symbiosis have been identified. Using a genetic screen for random transposon mutants defective in initiating the symbio...

journal_title：Journal of bacteriology

authors： Visick KL,Skoufos LM

更新日期：2001-02-01 00:00:00

abstract：:The predominant pool of organic matter on earth is derived from the biological reduction and assimilation of carbon dioxide gas, catalyzed primarily by the enzyme ribulose 1,5-bisphosphate carboxylase/oxygenase (RubisCO). By virtue of its capacity to use molecular oxygen as an alternative and competing gaseous substra...

journal_title：Journal of bacteriology

authors： Watson GM,Yu JP,Tabita FR

更新日期：1999-03-01 00:00:00

abstract：:The GcvA protein is a LysR family regulatory protein necessary for both activation and repression of the Escherichia coli glycine cleavage enzyme operon (gcv) and negative regulation of gcvA. Gel shift assays indicated that overexpressed GcvA in crude extracts is capable of binding specifically to DNA containing the g...

journal_title：Journal of bacteriology

authors： Wilson RL,Urbanowski ML,Stauffer GV

更新日期：1995-09-01 00:00:00

abstract：:Bacillus subtilis contains three Fur homologs: Fur, PerR, and Zur. Despite significant sequence similarities, they respond to different stimuli and regulate different sets of genes. DNA target site comparisons indicate that all three paralogs recognize operators with a core 7-1-7 inverted repeat. The corresponding con...

journal_title：Journal of bacteriology

authors： Fuangthong M,Helmann JD

更新日期：2003-11-01 00:00:00

abstract：:Bap (biofilm-associated protein) is a 254-kDa staphylococcal surface protein implicated in formation of biofilms by staphylococci isolated from chronic mastitis infections. The presence of potential EF-hand motifs in the amino acid sequence of Bap prompted us to investigate the effect of calcium on the multicellular b...

journal_title：Journal of bacteriology

authors： Arrizubieta MJ,Toledo-Arana A,Amorena B,Penadés JR,Lasa I

更新日期：2004-11-01 00:00:00

abstract：:Listeria monocytogenes has caused numerous human outbreaks. Here we report draft genomes of L. monocytogenes J1816 and J1-220, which belong to epidemic clones II and IV, respectively. Whole-genome sequence analysis of these strains provides a tool for studying the short-term evolution of these epidemic clones. ...

journal_title：Journal of bacteriology

authors： Chen Y,Strain EA,Allard M,Brown EW

更新日期：2011-07-01 00:00:00

abstract：:Structural analogs of S-adenosylhomocysteine were tested in vitro for inhibition of the yeast S-adenosylmethionine:delta 24-sterol-C-methyltransferase enzyme. A wide inhibitory range by these compounds was observed, suggesting which structural features of the parent compound are important for binding to the enzyme. No...

journal_title：Journal of bacteriology

authors： McCammon MT,Parks LW

更新日期：1981-01-01 00:00:00

abstract：:The plasmid-encoded citrate determinant of the Lactococcus lactis subsp. lactis var. diacetylactis NCDO176 was cloned and functionally expressed in a Cit- Escherichia coli K-12 strain. From deletion derivative analysis, a 3.4-kilobase region was identified which encodes the ability to transport citrate. Analysis of pr...

journal_title：Journal of bacteriology

authors： David S,van der Rest ME,Driessen AJ,Simons G,de Vos WM

更新日期：1990-10-01 00:00:00

abstract：:Pseudomonas aeruginosa type IV pili (T4P) are virulence factors that promote infection of cystic fibrosis and immunosuppressed patients. As the absence of T4P impairs colonization, they are attractive targets for the development of novel therapeutics. Genes in the pilMNOPQ operon are important for both T4P assembly an...

journal_title：Journal of bacteriology

authors： Tammam S,Sampaleanu LM,Koo J,Manoharan K,Daubaras M,Burrows LL,Howell PL

更新日期：2013-05-01 00:00:00

abstract：:Vacuoles project streams of vesicles and membranous tubules into the yeast bud where they fuse, founding the daughter cell organelle, vac5-1, which encodes a truncated form of the Pho80 cyclin, inhibits normal vacuole inheritance. An in vitro inheritance assay which measures the fusion of vacuoles serves as a model fo...

journal_title：Journal of bacteriology

authors： Nicolson T,Conradt B,Wickner W

更新日期：1996-07-01 00:00:00

abstract：:Analyses of the Staphylococcus epidermidis multiresistance plasmids pSK697 and pSK818 have revealed them to be closely related to the trimethoprim resistance plasmid pSK639, also isolated from S. epidermidis. pSK697 and pSK818 were found to contain a cointegrated copy of a second plasmid related to the S. epidermidis ...

journal_title：Journal of bacteriology

authors： Leelaporn A,Firth N,Paulsen IT,Skurray RA

更新日期：1996-10-01 00:00:00

abstract：:A plasmid, R773, which confers resistance to arsenic compounds, is transmissible between strains of Escherichia coli. It is a member of compatibility group F(1). ...

journal_title：Journal of bacteriology

authors： Hedges RW,Baumberg S

更新日期：1973-07-01 00:00:00

abstract：:Lysogenization of Salmonella typhimurium with either of the bacteriophages A3 and A4 results in O-acetylation of the L-rhamnose residues of the O-polysaccharide chain of the lipopolysaccharide of the bacterial cell envelope. The O-acetyl group is found on both O-2 and O-3 of the L-rhamnosyl residues. This lysogenic co...

journal_title：Journal of bacteriology

authors： Wollin R,Stocker BA,Lindberg AA

更新日期：1987-03-01 00:00:00

abstract：:Enteropathogenic Escherichia coli employs a type III secretion system (T3SS) to translocate virulence effector proteins directly into enterocyte host cells, leading to diarrheal disease. The T3SS is encoded within the chromosomal locus of enterocyte effacement (LEE). The function of some of the LEE-encoded proteins re...

journal_title：Journal of bacteriology

authors： Monjarás Feria J,García-Gómez E,Espinosa N,Minamino T,Namba K,González-Pedrajo B

更新日期：2012-11-01 00:00:00

abstract：:Components of membranes isolated from Spiroplasma citri and corn stunt spiroplasma grown at 28 degrees C were analyzed. On a protein basis, lipid phosphorus was lower and cholesterol was higher in S. citri. Only minor differences between the two species were found in fatty acid composition, reduced nicotinamide adenin...

journal_title：Journal of bacteriology

authors： Mudd JB,Lee IM,Liu HY,Calavan EC

更新日期：1979-02-01 00:00:00

abstract：:In Escherichia coli, cell division is mediated by the concerted action of about 12 proteins that assemble at the division site to presumably form a complex called the divisome. Among these essential division proteins, the multimodular class B penicillin-binding protein 3 (PBP3), which is specifically involved in septa...

journal_title：Journal of bacteriology

authors： Piette A,Fraipont C,Den Blaauwen T,Aarsman ME,Pastoret S,Nguyen-Distèche M

更新日期：2004-09-01 00:00:00

abstract：:Enger, M. D. (North Dakota State University, Fargo), and B. P. Sleeper. Multiple cellulase system from Streptomyces antibioticus. J. Bacteriol. 89:23-27. 1965.-Starch-block zone electrophoresis was used to isolate five electrophoretically distinct, active cellulolytic components (I to V) from the crude extracellular c...

journal_title：Journal of bacteriology

authors： ENGER MD,SLEEPER BP

更新日期：1965-01-01 00:00:00

abstract：:Polyamines are present in high concentrations in archaea, yet little is known about their synthesis, except by extrapolation from bacterial and eucaryal systems. S-Adenosylmethionine (AdoMet) decarboxylase, a pyruvoyl group-containing enzyme that is required for spermidine biosynthesis, has been previously identified ...

journal_title：Journal of bacteriology

authors： Kim AD,Graham DE,Seeholzer SH,Markham GD

更新日期：2000-12-01 00:00:00

abstract：:The Escherichia coli outer membrane protein Tsx functions as a nucleoside-specific channel and serves as the receptor for colicin K and a number of T-even-type bacteriophages, including phage T6. To identify those segments of the Tsx protein that are important for its phage receptor function, we devised a selection an...

journal_title：Journal of bacteriology

authors： Schneider H,Fsihi H,Kottwitz B,Mygind B,Bremer E

更新日期：1993-05-01 00:00:00

abstract：:Aldrich, K. M. (The University of Kansas, Lawrence), and C. P. Sword. Methicillin-induced lysozyme-sensitive forms of staphylococci. J. Bacteriol. 87:690-695. 1964.-Staphylococcus aureus and S. epidermidis grown in the presence of sublethal amounts of methicillin were converted to enlarged spheres within 2 to 4 hr, as...

journal_title：Journal of bacteriology

authors： ALDRICH KM,SWORD CP

更新日期：1964-03-01 00:00:00

abstract：:Chronic lung infections in cystic fibrosis (CF) could be treated more effectively if the effects of antimicrobials on pathogens in situ were known. Here, we compared changes in the microbial community composition and pathogen growth rates in longitudinal studies of seven pediatric CF patients undergoing intravenous an...

journal_title：Journal of bacteriology

authors： Neubauer C,Kasi AS,Grahl N,Sessions AL,Kopf SH,Kato R,Hogan DA,Newman DK

更新日期：2018-11-26 00:00:00

abstract：:Numerous field isolates of Moraxella bovis have previously been classified by serological techniques into seven serogroups, each defined by homologous cross-reaction with antisera prepared against purified pili of a single prototype strain. The gene encoding pilin from each of the prototype strains has been characteri...

journal_title：Journal of bacteriology

authors： Atwell JL,Tennent JM,Lepper AW,Elleman TC

更新日期：1994-08-01 00:00:00

abstract：:Genomics research provides an unprecedented opportunity for us to probe into the pathogenicity and evolution of the world's most deadly pathogenic bacterium, Yersinia pestis, in minute detail. In our present work, extensive microarray analysis in conjunction with PCR validation revealed that there are considerable gen...

journal_title：Journal of bacteriology

authors： Zhou D,Han Y,Song Y,Tong Z,Wang J,Guo Z,Pei D,Pang X,Zhai J,Li M,Cui B,Qi Z,Jin L,Dai R,Du Z,Bao J,Zhang X,Yu J,Wang J,Huang P,Yang R

更新日期：2004-08-01 00:00:00

abstract：:Rosenkranz, Herbert S. (Columbia University, New York, N.Y.), Howard S. Carr, and Harry M. Rose. Phenethyl alcohol. II. Effect on thymine-requiring Escherichia coli. J. Bacteriol. 89:1370-1373. 1965.-Phenethyl alcohol (PEA) at levels (0.05%) presumed to interfere with messenger ribonucleic acid synthesis also inhibits...

journal_title：Journal of bacteriology

authors： ROSENKRANZ HS,CARR HS,ROSE HM

更新日期：1965-05-01 00:00:00

abstract：:Overexpression of evgA, a response regulator of a two-component system, increased multidrug efflux in Escherichia coli. Since overexpression of the emrKY operon, which is controlled by evgAS, could account only for deoxycholate resistance, the evgAS locus apparently controls expression of at least one other multidrug ...

journal_title：Journal of bacteriology

authors： Nishino K,Yamaguchi A

更新日期：2001-02-01 00:00:00

abstract：:Neisseria meningitidis serogroup B strain M986 was examined for the involvement of lipid intermediate(s) participating in the biosynthesis of the sialic acid capsular polysaccharide. The addition of exogenous undecaprenyl phosphate, phosphatidylethanolamine, or phosphatidylglycerol to particulate membranes, in the pre...

journal_title：Journal of bacteriology

authors： Masson L,Holbein BE

更新日期：1985-03-01 00:00:00