Wild-type Escherichia coli producing microcins B17, D93, J25, and L; cloning of genes for microcin L production and immunity.

abstract：:The effects of water activity (aw, 0.994-0.90 identical to 0.4-14.0 (-)MPa water potential), temperature (4-45 degrees C), and pH (3.6, 5.5, 7.0), and their interactions on growth of isolates of Fusarium moniliforme and Fusarium proliferatum were determined in vitro on a maize extract agar medium. Growth of two isolat...

journal_title：Canadian journal of microbiology

authors： Marín S,Sanchis V,Magan N

更新日期：1995-12-01 00:00:00

abstract：:Wild-type glucose uptake and glucose chemotaxis activities were restored in glucose transport defective Pseudomonas aeruginosa strains PFB360 and PFB362 after introduction of plasmid pPZ129, containing a 1.1-kilobase DNA fragment that is essential for the expression of the P. aeruginosa periplasmic glucose binding pro...

journal_title：Canadian journal of microbiology

authors： Sly LM,Worobec EA,Perkins RE,Phibbs PV Jr

更新日期：1993-11-01 00:00:00

abstract：:The initial cause of the cessation of patulin biosynthesis in submerged cultures of Penicillium urticae was sought. The extrinsic limitations to patulin biosynthesis in fermentor cultures were successfully removed and kinetic profiles of the metabolites of the pathway and of three pathway enzymes were determined over ...

journal_title：Canadian journal of microbiology

authors： Neway J,Gaucher GM

更新日期：1981-02-01 00:00:00

abstract：:Grapes inoculated with poliovirus 1 and coxsackievirus B5 were washed with water, 0.5% polyehtylene glycol, or phosphate-buffered saline with 1% serum. These washes were equally efficient at removing virus but much of the virus in the water was noninfectious until treated with 0.5% polyethylene glycol. ...

journal_title：Canadian journal of microbiology

authors： Konowalchuk J,Spiers JI

更新日期：1977-09-01 00:00:00

abstract：:We studied the persistence of naturally acquired cell-mediated immunity to rubella during early pregnancy. We compared lymphocyte transformation responses to phytohemagglutinin and rubella virus in 35 naturally immune women aged 17-37 years, in the first trimester of pregnancy, with 49 naturally immune age-matched non...

journal_title：Canadian journal of microbiology

authors： Rossier E,Phipps PH,Weber JM

更新日期：1983-12-01 00:00:00

abstract：:Candida tropicalis synthesizes a hydroxylase (3 to 5 nmol of product formed per minute per milligram of protein) and a cytochrome P-450 (0.10 to 0.13 nmol per milligram of protein) during growth on n-tetradecane. A three- to four-fold increase in the level of NADPH cytochrome c reductase is also observed in those cell...

journal_title：Canadian journal of microbiology

authors： Gilewicz M,Zacek M,Bertrand JC,Azoulay E

更新日期：1979-02-01 00:00:00

abstract：:Two strains of Bacillus sphaericus. SSII-1 and 1593, were bioassayed for toxic activity against second-instar larvae of the mosquito Culex pipiens quinquefasciatus. It was found that strain 1593 developed a level of toxicity 3000 times that of strain SSII-1. Although the toxic activity of B. sphaericus SSII-1 was rela...

journal_title：Canadian journal of microbiology

authors： Myers P,Yousten AA,Davidson EW

更新日期：1979-11-01 00:00:00

abstract：:Pathogenic and nonpathogenic isolates of Venturia inaequalis were grown in liquid culture. Hyphae were treated with two types of fimbrial antiserum (AU- and AV-1) and examined by immunofluorescent microscopy, in order to establish the distribution of fimbrial epitopes in whole cell mounts. The AV-1 antiserum was speci...

journal_title：Canadian journal of microbiology

authors： Svircev AM,Smith RJ,Zhou T,Day AW

更新日期：2000-09-01 00:00:00

abstract：:Absorption of 14C-labelled poliovirus-2 to sedimentable solids of primary sludge samples collected from a secondary treatment facility during a 6-month period averaged 94%; for anaerobically digested sludge, 99%. The extent of virus adsorption was influenced by the amount of solids. Maximal adsorption occurred at or a...

journal_title：Canadian journal of microbiology

authors： Lewis MA,Nath MW,Johnson JC

更新日期：1983-12-01 00:00:00

abstract：:The effect of mechanical wounding or foliar diseases caused by Sclerotinia homoeocarpa or Rhizoctonia solani on the epiphytic yeast communities on creeping bentgrass and tall fescue were determined by leaf washing and dilution plating. Total yeast communities on healthy bentgrass and tall fescue leaves ranged from 7.9...

journal_title：Canadian journal of microbiology

authors： Allen TW,Quayyum HA,Burpee LL,Buck JW

更新日期：2004-10-01 00:00:00

abstract：:Three composts (Ball, dairy, and greenhouse) were tested for the ability to suppress the development of Fusarium root and stem rot (caused by Fusarium oxysporum f. sp. radicis-cucumerinum) on greenhouse cucumber. Dairy and greenhouse composts significantly reduced disease severity (P = 0.05), while Ball compost had no...

journal_title：Canadian journal of microbiology

authors： Bradley GG,Punja ZK

更新日期：2010-11-01 00:00:00

abstract：:Of 24 bacterial species examined for lisinopril refractive peptidyl dipeptidase activity, only 8 contained activity. Activity in Pseudomonas maltophilia was more than fourfold higher than that of any other species. Pseudomonas maltophilia may be unique among bacteria in possessing high peptidyl dipeptidase activity th...

journal_title：Canadian journal of microbiology

authors： Stevens J,Fanburg BL,Lanzillo JJ

更新日期：1990-01-01 00:00:00

abstract：:Long-term survival, dispersal, and germination of Bacillus thuringiensis var. kurstaki DMU67R has been investigated in a field trial. An experimental cabbage plot was sprayed with DMU67R in 1993 and allowed to lie fallow since. The investigations reported here were carried out from 1997 to 2000 in this plot. High pers...

journal_title：Canadian journal of microbiology

authors： Hendriksen NB,Hansen BM

更新日期：2002-03-01 00:00:00

abstract：:The effects of postirradiation incubation with various chemicals structurally related to pantolactone on the survival of ultraviolet-irradiated Escherichia coli lon and ruv mutants were examined. Certain cyclic compounds with a butyrolactone, tetrahydrofuran, furan, tetrahydropyran, or 2-pyron ring showed substantial ...

journal_title：Canadian journal of microbiology

authors： Kato Y,Shiraki S,Hamada Y,Iyehara-Ogawa H,Nakayama H

更新日期：1980-12-01 00:00:00

abstract：:Citrobacter freundii from an environmental source displayed resistance to a wide variety of antibacterials. Some of these resistances could be transferred by conjugation with frequencies as high as 10(-2). The complexity of plasmid involvement in the antibacterial resistance of this species was demonstrated by isolati...

journal_title：Canadian journal of microbiology

authors： Austen RA,Trust TJ

更新日期：1981-03-01 00:00:00

abstract：:In Japan, antimicrobial agent therapy for patients with diarrhea due to enterovirulent organisms including enterohemorrhagic Escherichia coli (EHEC) is common, and norfloxacin (NFLX), fosfomycin, and kanamycin are recommended for EHEC treatment by the Japanese Ministry of Health and Welfare. The aim of this study was ...

journal_title：Canadian journal of microbiology

authors： Yoh M,Frimpong EK,Voravuthikunchai SP,Honda T

更新日期：1999-09-01 00:00:00

abstract：:Ninety-five fecal samples from Atlantic cod (Gadus morhua L.), caught along the northern Norwegian coast, were examined bacteriologically for occurrence of C. perfringens. Isolates were examined by polymerase chain reaction (PCR) for genes encoding the four lethal toxins (alpha, beta, epsilon, and iota) for classifica...

journal_title：Canadian journal of microbiology

authors： Aschfalk A,Müller W

更新日期：2002-04-01 00:00:00

abstract：:To assess the effect of fire and salvage logging on the diversity of mycorrhizal-bacterial communities, bacteria associated with Cenococcum, Thelephora, Tomentella, Russulaceae, and E-strain ectomycorrhizae (ECM) of Abies lasiocarpa seedlings were characterized using two approaches. First, bacteria were isolated and c...

journal_title：Canadian journal of microbiology

authors： Khetmalas MB,Egger KN,Massicotte HB,Tackaberry LE,Clapperton MJ

更新日期：2002-07-01 00:00:00

abstract：:The introduction of the 7-valent pneumococcal vaccine (PCV7) in Canada was very effective in reducing invasive pneumococcal disease (IPD) in children; however, increases of non-PCV7 serotypes have subsequently offset some of these reductions. A 13-valent pneumococcal vaccine (PCV13) targeting additional serotypes was ...

journal_title：Canadian journal of microbiology

authors： Demczuk WH,Martin I,Griffith A,Lefebvre B,McGeer A,Lovgren M,Tyrrell GJ,Desai S,Sherrard L,Adam H,Gilmour M,Zhanel GG,Toronto Bacterial Diseases Network.,Canadian Public Health Laboratory Network.

更新日期：2013-12-01 00:00:00

abstract：:Dietary exposure to heavy metals may have detrimental effects on human and animal health, even at low concentrations. Specific probiotic bacteria may have properties that enable them to bind toxins from food and water. We assessed the interaction of probiotic bacteria with cadmium and lead in vitro as an initial scree...

journal_title：Canadian journal of microbiology

authors： Ibrahim F,Halttunen T,Tahvonen R,Salminen S

更新日期：2006-09-01 00:00:00

abstract：:Phialocephala fortinii is a dark septate fungal endophyte that colonizes roots of many host species. Its effect on plant growth varies from being pathogenic to beneficial. The basic biology of this species has received little research, and thus the main objectives of this study were to determine cytological features o...

journal_title：Canadian journal of microbiology

authors： Saito K,Kuga-Uetake Y,Saito M,Peterson RL

更新日期：2006-07-01 00:00:00

abstract：:The survival of and interactions between a Pseudomonas putida strain labelled with a red fluorescent protein gene (WT-rfp) and its green fluorescent protein gene-labelled rpoS(-) mutant (KO-gfp) were examined. The generation times of the planktonic WT-rfp and KO-gfp in trypticase soy broth were not significantly diffe...

journal_title：Canadian journal of microbiology

authors： Maki ML,Lawrence JR,Swerhone GD,Leung KT

更新日期：2009-10-01 00:00:00

abstract：:Antibiotic-resistant and antimetabolite-resistant mutants of the nitrogen-fixing symbiotic bacterium Frankia were isolated to provide strains with genetic backgrounds amenable to genetic analysis. The lethal and mutagenic effects of ethyl methanesulfonate (EMS) and UV light on four Frankia strains were investigated. U...

journal_title：Canadian journal of microbiology

authors： Myers AK,Tisa LS

更新日期：2004-04-01 00:00:00

abstract：:The effect of a chromated-copper-arsenate wood preservative on the degradation of pentachlorophenol by Flavobacterium sp. strain ATCC 53874 was examined in liquid culture. Both a commercially available and a laboratory-prepared formulation were tested. Each increased the lag time required for measurable pentachlorophe...

journal_title：Canadian journal of microbiology

authors： Wall AJ,Stratton GW

更新日期：1994-05-01 00:00:00

abstract：:Urinary tract infections are common. Few published studies have demonstrated the change in Escherichia coli urinary isolate antimicrobial susceptibility over time within a given area and (or) population. The purpose of this study was to evaluate the change in susceptibility of E. coli clinical isolates obtained from u...

journal_title：Canadian journal of microbiology

authors： Walkty A,Lagacé-Wiens PR,Karlowsky JA,Hoban DJ,Manickam K,Adam H,Pieroni P,Alfa M

更新日期：2012-03-01 00:00:00

abstract：:Vibrio cholerae activates proinflammatory response in cultured intestinal epithelial cells. In this study, we demonstrate that V. cholerae O395 infection of intestinal epithelial cells results in the activation of Akt. Inhibition of Akt significantly decreases IL-1alpha, IL-6, and TNF-alpha production in V. cholerae i...

journal_title：Canadian journal of microbiology

authors： Bandyopadhaya A,Bhowmick S,Chaudhuri K

更新日期：2009-11-01 00:00:00

abstract：:Purification and chemical characterization of an immunosuppressive exopolysaccharide from Capnocytophaga ochracea strain 25 are described. This polysaccharide was extracted from spent culture medium by cold ethanol precipitation. Purification was accomplished by trichloroacetic acid and pronase treatments in combinati...

journal_title：Canadian journal of microbiology

authors： Dyer JK,Bolton RW

更新日期：1985-01-01 00:00:00

abstract：:The inhibition of pyruvate oxidative decarboxylation as a means of decreasing ruminal methanogenesis in vitro was studied. In the first experiment, the addition of adenosine and adenine (with and without ribose) to ruminal batch cultures did not decrease methanogenesis. In the second experiment, the addition of oxythi...

journal_title：Canadian journal of microbiology

authors： Ungerfeld EM,Rust SR,Burnett R

更新日期：2003-10-01 00:00:00

abstract：:The release of 14CO2 from 14C-labelled glucose(G-1(-14)C, G-3,4(-14)C, G-6(-14)C) was followed in phased cultures of Candida utilis grown in a glucose- mineral salts medium under altered conditions of carbon:nitrogen limitation at doubling times of 2,4 and 6, h. Changes in oxygen uptake and CO2 evolution were observe...

journal_title：Canadian journal of microbiology

authors： Dawson PS,Westlake DW

更新日期：1975-07-01 00:00:00

abstract：:Growth of Neisseria perflava, Neisseria cinerea, and Neisseria sicca strain Kirkland in media supplemented with sucrose (0.5 to 5.0% w/v) resulted in the formation of giant cells. Response to sucrose was specific in that a variety of other carbohydrates did not mediate giant cell formation. Giant cells appeared only u...

journal_title：Canadian journal of microbiology

authors： Johnson KG,McDonald IJ

更新日期：1976-03-01 00:00:00