Fluorescein amine media for rapid differentiation of staphylococci.

abstract：:An extracellular, 700,000-Mr multiprotein complex that catalyzed the hydrolysis of crystalline cellulose (Avicel) was isolated from cultures of Clostridium sp. strain C7, a mesophile from freshwater sediment. In addition to cellulose (Avicel, ball-milled filter paper), the multiprotein complex hydrolyzed carboxymethyl...

journal_title：Journal of bacteriology

authors： Cavedon K,Leschine SB,Canale-Parola E

更新日期：1990-08-01 00:00:00

abstract：:Enteroaggregative Escherichia coli (EAggEC) has been associated with persistent pediatric diarrhea in the developing world, yet the pathogenetic mechanisms of EAggEC infection are unknown. Our previous data have suggested that aggregative adherence of some EAggEC strains to HEp-2 cells is mediated by flexible, bundle-...

journal_title：Journal of bacteriology

authors： Nataro JP,Yikang D,Yingkang D,Walker K

更新日期：1994-08-01 00:00:00

abstract：:We previously showed that adsorption of bacteriophages T4 and T5 to their respective outer membrane receptors induced a partial depolarization of the cytoplasmic membrane. As these membrane potential changes were independent of phage properties, we proposed that phage adsorption triggered the emission of a signal whic...

journal_title：Journal of bacteriology

authors： Letellier L,Labedan B

更新日期：1984-03-01 00:00:00

abstract：:The blp locus of a type 6A strain of Streptococcus pneumoniae encodes a two-peptide bacteriocin, pneumocin MN, which mediates intraspecies competition during mouse nasopharyngeal colonization. This locus is regulated by a quorum-sensing mechanism consisting of a dedicated two-component regulatory system and a peptide ...

journal_title：Journal of bacteriology

authors： Dawid S,Sebert ME,Weiser JN

更新日期：2009-03-01 00:00:00

abstract：:The replication of the R factor Rts1 in Proteus mirabilis was examined by using the technique of CsCl density-gradient centrifugation. The proportion of Rts1 deoxyribonucleic acid (DNA) relative to the host chromosomal DNA (% R-DNA) was 7% in both exponential and stationary growth phases in Penassay Broth and suppleme...

journal_title：Journal of bacteriology

authors： Terawaki Y,Rownd R

更新日期：1972-02-01 00:00:00

abstract：:In Mexico, actinomycetoma is mainly caused by Nocardia brasiliensis, which is a soil inhabitant actinobacterium. Here, we report for the first time the draft genome of a strain isolated from a human case that has largely been found in in vitro and experimental models of actinomycetoma, N. brasiliensis HUJEG-1. ...

journal_title：Journal of bacteriology

authors： Vera-Cabrera L,Ortiz-Lopez R,Elizondo-Gonzalez R,Perez-Maya AA,Ocampo-Candiani J

更新日期：2012-05-01 00:00:00

abstract：:Penicillin-binding proteins (PBPs), although characterized from several organisms, have so far not been studied in mycobacteria. The present study is the first characterization of a PBP from Mycobacterium smegmatis. The PBP was purified by solubilization of the membranes with Triton X-100 and successive chromatography...

journal_title：Journal of bacteriology

authors： Basu J,Chattopadhyay R,Kundu M,Chakrabarti P

更新日期：1992-07-01 00:00:00

abstract：:Of 20 clinical isolates of Haemophilus parainfluenzae, 13 produced a mannose-resistant hemagglutinin that agglutinated erythrocytes from chickens, horses, rabbits, and sheep. Examination with the electron microscope showed that only strain HR-885 was pilate. Grown in static liquid culture, the 12 hemagglutinating, non...

journal_title：Journal of bacteriology

authors： Kahn ME,Gromkova R

更新日期：1981-02-01 00:00:00

abstract：:When the Lac- strain of Escherichia coli, FC40, is incubated with lactose as its sole carbon and energy source, Lac+ revertants arise at a constant rate, a phenomenon known as adaptive mutation. Two alternative models for adaptive mutation have been proposed: (i) recombination-dependent mutation, which specifies that ...

journal_title：Journal of bacteriology

authors： Stumpf JD,Poteete AR,Foster PL

更新日期：2007-03-01 00:00:00

abstract：:Liquid holding recovery (LHR) in ultraviolet-irradiated Bacteroides fragilis cells occurred under aerobic conditions but was inhibited by anaerobic conditions. The increase in survival after aerobic LHR resulted in an increase in the shoulder regions of the ultraviolet survival curves. Maximum LHR was obtained after h...

journal_title：Journal of bacteriology

authors： Jones DT,Woods DR

更新日期：1981-01-01 00:00:00

abstract：:The colicinogenic B factor, transferred from Escherichia coli strain K77 (and termed ColB2-K77 or ColB2) to an E. coli K12 F(-) strain, is capable of promoting its own transfer to other K12 F(-) strains at a low rate (from LFC cultures) which can be increased under special conditions (HFC cultures). LFC cultures of K1...

journal_title：Journal of bacteriology

authors： Hausmann C,Clowes RC

更新日期：1971-09-01 00:00:00

abstract：:Auxotrophic mutants of Hydrogenomonas eutropha and H. facilis requiring utilizable amino acids were employed to demonstrate the simultaneous utilization of H(2) and an organic substrate for growth. The ratio of the cell yields under dual substrate conditions compared to heterotrophic conditions indicated the relative ...

journal_title：Journal of bacteriology

authors： DeCicco BT,Stukus PE

更新日期：1968-04-01 00:00:00

abstract：:The human pathogen Eikenella corrodens synthesizes type IV pili and exhibits a phase variation involving the irreversible transition from piliated to nonpiliated variants. On solid medium, piliated variants form small (S-phase), corroding colonies whereas nonpiliated variants form large (L-phase), noncorroding colonie...

journal_title：Journal of bacteriology

authors： Villar MT,Helber JT,Hood B,Schaefer MR,Hirschberg RL

更新日期：1999-07-01 00:00:00

abstract：:The hemA gene of Bradyrhizobium japonicum, which encodes the first enzyme in the heme biosynthetic pathway, is regulated by oxygen. Up to ninefold induction of beta-galactosidase activity is seen when cultures of B. japonicum containing either a plasmid-encoded or a chromosomally integrated hemA-lacZ fusion are shifte...

journal_title：Journal of bacteriology

authors： Page KM,Guerinot ML

更新日期：1995-07-01 00:00:00

abstract：:Aspergillus fumigatus secretes a number of glycosidases into the culture medium when the cells are grown in a mineral salts medium containing guar flour (a galactomannan) as the carbon source. At least some of these glycosidases have been reported to be glycoproteins having N-linked oligosaccharides. In this study, we...

journal_title：Journal of bacteriology

authors： Elbein AD,Mitchell M,Molyneux RJ

更新日期：1984-10-01 00:00:00

abstract：:Aerobic microorganisms have evolved different strategies to withstand environmental oxidative stresses generated by various reactive oxygen species (ROS). For the facultative anaerobic human oral pathogen Streptococcus mutans, the mechanisms used to protect against ROS are not fully understood, since it does not posse...

journal_title：Journal of bacteriology

authors： Zhang J,Biswas I

更新日期：2009-07-01 00:00:00

abstract：:We showed that the heat killing curve for exponentially growing Saccharomyces cerevisiae was biphasic. This suggests two populations of cells with different thermal killing characteristics. When exponentially growing cells separated into cell cycle-specific fractions via centrifugal elutriation were heat shocked, the ...

journal_title：Journal of bacteriology

authors： Plesset J,Ludwig JR,Cox BS,McLaughlin CS

更新日期：1987-02-01 00:00:00

abstract：:The salmonellae are a diverse group of bacteria within the family Enterobacteriaceae that includes two species, Salmonella enterica and Salmonella bongori. In order to characterize the phylogenetic relationships of the species and subspecies of Salmonella, we analyzed four housekeeping genes, gapA, phoP, mdh and recA,...

journal_title：Journal of bacteriology

authors： McQuiston JR,Herrera-Leon S,Wertheim BC,Doyle J,Fields PI,Tauxe RV,Logsdon JM Jr

更新日期：2008-11-01 00:00:00

abstract：UNLABELLED:The Mycobacterium tuberculosis exported repetitive protein (RvErp) is a crucial virulence-associated factor as determined by its role in the survival and multiplication of mycobacteria in cultured macrophages and in vivo Although attempts have been made to understand the function of Erp protein, its exact ro...

journal_title：Journal of bacteriology

authors： Ganaie AA,Trivedi G,Kaur A,Jha SS,Anand S,Rana V,Singh A,Kumar S,Sharma C

更新日期：2016-09-22 00:00:00

abstract：UNLABELLED:Helicobacter pylori must be able to rapidly respond to fluctuating conditions within the stomach. Despite this need for constant adaptation, H. pylori encodes few regulatory proteins. Of the identified regulators, the ferric uptake regulator (Fur), the nickel response regulator (NikR), and the two-component ...

journal_title：Journal of bacteriology

authors： Servetas SL,Carpenter BM,Haley KP,Gilbreath JJ,Gaddy JA,Merrell DS

更新日期：2016-08-25 00:00:00

abstract：:In Cyanophora paradoxa, the allophycocyanin apoprotein subunits, alpha and beta, are encoded in the cyanelle (plastid) genome. These genes were transferred to the cyanobacterium Synechococcus sp. PCC 7002 on a plasmid replicon. Phycobilisomes isolated from transformed cyanobacteria were found to contain C. paradoxa al...

journal_title：Journal of bacteriology

authors： de Lorimier R,Guglielmi G,Bryant DA,Stevens SE Jr

更新日期：1987-05-01 00:00:00

abstract：:More than 98% of reported human listeriosis cases are caused by Listeria monocytogenes serotypes within lineages I and II. Serotypes within lineage III (4a and 4c) are commonly isolated from environmental and food specimens. We report the first complete genome sequence of a lineage III isolate, HCC23, which will be us...

journal_title：Journal of bacteriology

authors： Steele CL,Donaldson JR,Paul D,Banes MM,Arick T,Bridges SM,Lawrence ML

更新日期：2011-07-01 00:00:00

abstract：:Bam35, a temperate double-stranded DNA bacteriophage with a 15-kb linear genome, infects gram-positive Bacillus thuringiensis cells. Bam35 morphology and genome organization resemble those of PRD1, a lytic phage infecting gram-negative bacteria. Bam35 and PRD1 have an outer protein coat surrounding a membrane that enc...

journal_title：Journal of bacteriology

authors： Gaidelyte A,Jaatinen ST,Daugelavicius R,Bamford JK,Bamford DH

更新日期：2005-05-01 00:00:00

abstract：:Dehalococcoides species are key players in the anaerobic transformation of halogenated solvents at contaminated sites. Here, we analyze isotopologue distributions in amino acid pools from peptides of Dehalococcoides strain CBDB1 after incubation with (13)C-labeled acetate or bicarbonate as a carbon source. The resulti...

journal_title：Journal of bacteriology

authors： Marco-Urrea E,Seifert J,von Bergen M,Adrian L

更新日期：2012-08-01 00:00:00

abstract：:The Neurospora crassa assimilatory nitrite reductase structural gene, nit-6, has been isolated. A cDNA library was constructed from poly(A)+ RNA isolated from Neurospora mycelia in which nitrate assimilation had been induced. This cDNA was ligated into lambda ZAP II (Stratagene) and amplified. This library was then sc...

journal_title：Journal of bacteriology

authors： Exley GE,Colandene JD,Garrett RH

更新日期：1993-04-01 00:00:00

abstract：:In Escherichia coli, repression of the aceBAK operon is mediated by the IclR protein. We used an in vitro oligonucleotide selection technique to determine the consensus recognition sequence for MR. Mutational analysis confirmed the contribution of this sequence to repression in vivo and identified the -35 element of t...

journal_title：Journal of bacteriology

authors： Pan B,Unnikrishnan I,LaPorte DC

更新日期：1996-07-01 00:00:00

abstract：:The porin composition of the Escherichia coli cell envelope was analyzed during growth at different external pHs (pHo) as a function of the acetyl phosphate (AcP) level (DeltaackA pta or ackA mutant, pyruvate or glucose as the carbon source) in the presence or absence of EnvZ. Our results indicate that the AcP level i...

journal_title：Journal of bacteriology

authors： Heyde M,Laloi P,Portalier R

更新日期：2000-01-01 00:00:00

abstract：:Calcium-dependent exonuclease activity was produced by sporulating cells of Bacillus subtilis 168. Nuclease activity was released into the culture medium at approximately the same time as sporulation proteases, and production of these enzymes was tied to DNA replication. Results suggest that nuclease production is a f...

journal_title：Journal of bacteriology

authors： Burke WF Jr,Slinker BS

更新日期：1982-02-01 00:00:00

abstract：:We isolated pili from Escherichia coli SS142. These pili had a diameter of 6 nm and an average length of 400 nm. They were composed of subunits with a molecular weight of 18,000. Their amino acid composition was determined; methionine and proline were not detected. The isolated pili retained mannose-resistant hemagglu...

journal_title：Journal of bacteriology

authors： Mett H,Kloetzlen L,Vosbeck K

更新日期：1983-02-01 00:00:00

abstract：:The par genes of unit-copy plasmids P1 and F promote equitable distribution of plasmid copies to daughter cells and can be considered to be functional analogs of eucaryotic centromeres. Composite plasmids were constructed which carry either two functional P1 par regions or one F and one P1 region. Unlike dicentric chr...

journal_title：Journal of bacteriology

authors： Austin SJ

更新日期：1984-05-01 00:00:00