Restriction-modification systems in Streptomyces antibioticus.

abstract：:Environmental factors influencing the occurrence and community structure of soil yeasts in forests are not well studied. There are few studies dedicated to Southern Hemisphere soil yeasts populations and even fewer focused on temperate forests influenced by volcanic activity. The present work aimed to study the ecolog...

journal_title：Canadian journal of microbiology

authors： Mestre MC,Fontenla S,Rosa CA

更新日期：2014-06-01 00:00:00

abstract：:In the past decade, the large tailings pond (Mildred Lake Settling Basin) on the Syncrude Canada Ltd. lease near Fort McMurray, Alta., has gone methanogenic. Currently, about 60%-80% of the flux of gas across the surface of the tailings pond is methane. As well as adding to greenhouse gas emissions, the production of ...

journal_title：Canadian journal of microbiology

authors： Holowenko FM,MacKinnon MD,Fedorak PM

更新日期：2000-10-01 00:00:00

abstract：:Pathogenic strains of Vibrio cholerae O139 possess the cholera toxin A subunit (ctxA) gene as well as the gene for toxin co-regulated pili (tcpA). We report the isolation of a ctxA-negative, tcpA-negative V. cholerae O139 strain (INDREI) from a patient in Mexico diagnosed with gastrointestinal illness. Certain phenoty...

journal_title：Canadian journal of microbiology

authors： Parveen S,Farrah SR,Gonzalez-Bonilla C,Zamudio AV,Tamplin ML

更新日期：2003-01-01 00:00:00

abstract：:A total of 230 strains of metal-tolerant bacteria from water and sediment samples collected in Chesapeake Bay were isolated on a medium containing cobalt, lead, mercury, or molybdenum. In addition, a set of 71 cultures were simultaneously isolated on glucose tryptone yeast extract agar medium without metals. Twenty-th...

journal_title：Canadian journal of microbiology

authors： Austin B,Allen DA,Mills AL,Colwell RR

更新日期：1977-10-01 00:00:00

abstract：:The ultraviolet germicidal irradiation (UVGI) dose necessary to inactivate fungal spores on an agar surface and the efficacy of UVGI were determined for cultures of Stachybotrys chartarum (ATCC 208877). This study employed a UVGI testing unit consisting of four chambers with a 9-W, Phillips, low pressure, mercury UVGI...

journal_title：Canadian journal of microbiology

authors： Green CF,Davidson CS,Scarpino PV,Gibbs SG

更新日期：2005-09-01 00:00:00

abstract：:A proline dehydrogenase which catalyzes the nicotinamide adenine dinucleotide (NAD) dependent oxidation of proline and the NADH-dependent reduction of delta 1-pyrroline 5-carboxylic acid (PCA) was purified from extracts of Clostridium sporogenes. Following purification, only one protein band was found on analytical po...

journal_title：Canadian journal of microbiology

authors： Monticello DJ,Costilow RN

更新日期：1981-09-01 00:00:00

abstract：:3-O-Methyl-D-glucose (3-O-MeGlc) or a mixture of 3-O-MeGlc and glucose stimulate invertase, beta-glucosidase, alpha-glucosidase, and alpha-galactosidase production by Cryptococcus laurentii. They also increase invertase and alpha-glucosidase production by Saccharomyces cerevisiae. The stimulatory effect of 3-O-MeGlc i...

journal_title：Canadian journal of microbiology

authors： Bhanot P,Brown RG

更新日期：1980-11-01 00:00:00

abstract：:Isoquinoline is a nitrogen heterocyclic compound that is associated with coal- and oil-derived wastes. Four strains of bacteria able to degrade isoquinoline in pure culture were isolated from sites known to be contaminated with oil. Isoquinoline was used as the sole source of carbon and nitrogen by these isolates. Iso...

journal_title：Canadian journal of microbiology

authors： Aislabie J,Richards NK,Lyttle TC

更新日期：1994-07-01 00:00:00

abstract：:For the first time, an Escherichia coli strain producing four microcins (Mcc), B17, D93, J25, and L, and showing immunity to Mcc V was isolated and characterized. Each of the gene clusters encoding the production of Mcc B17, D93, and L was cloned separately. The gene cluster for Mcc L was cloned within a 13.5-kb HindI...

journal_title：Canadian journal of microbiology

authors： Sablé S,Duarte M,Bravo D,Lanneluc I,Pons AM,Cottenceau G,Moreno F

更新日期：2003-05-01 00:00:00

abstract：:A Tn551 insertional pleiotropic mutant defective in the production of several exoproteins was isolated from Staphylococcus aureus 196E and characterized. The pleiotropism of the mutant was due to a single insertion of the transposon as evidenced by Southern blot hybridization and by the transfer of its phenotype by tr...

journal_title：Canadian journal of microbiology

authors： Giraudo AT,Raspanti CG,Calzolari A,Nagel R

更新日期：1994-08-01 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：:Amoebae serve as environmental hosts to a variety of mycobacteria, including Mycobacterium avium and Mycobacterium marinum. Mycobacterium shottsii and Mycobacterium pseudoshottsii are waterborne species isolated from the spleens and dermal lesions of striped bass (Morone saxatilis) from the Chesapeake Bay. The optimal...

journal_title：Canadian journal of microbiology

authors： Gupta T,Fine-Coulson K,Karls R,Gauthier D,Quinn F

更新日期：2013-08-01 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：:A tryptophan auxotroph of aerobically grown Rodospirillum rubrum was isolated after mutagenesis and replica plating. The mutant grows on tryptophan or indole, accumulates indole glycerol phosphate, lacks the capacity to convert indole glycerol phosphate to indole glycerol phosphate to indole, and finally is defective ...

journal_title：Canadian journal of microbiology

authors： Beuchemin-Newhouse N,Cedergen RJ

更新日期：1978-03-01 00:00:00

abstract：:The aim of the present investigation was to isolate a probiotic strain from 23 samples of yurts cheese and 21 samples of kumiss (collected from scattered households in Xinjiang and Inner Mongolia), and from eN-Lac Capsules, a health-promoting product. The isolates were subjected to biochemical characterization analysi...

journal_title：Canadian journal of microbiology

authors： Kou X,Chen Q,Ju X,Liu H,Chen W,Xue Z

更新日期：2014-11-01 00:00:00

abstract：:A mesophilic anaerobe, a member of the Bacteroidaceae family (NRC2248), isolated from a cellulose-enrichment culture, digested untreated Whatman cellulose powder and HCl-treated cotton battings while producing hydrogen, carbon dioxide, cellobiose, glucose, and acetic acid as the sole volatile acid. This organism also ...

journal_title：Canadian journal of microbiology

authors： Saddler JN,Khan AW

更新日期：1979-12-01 00:00:00

abstract：:The use of hsp60 gene sequences for phylogenetic study and identification of pathogenic marine vibrios was investigated. A 600-bp partial hsp60 gene was amplified by PCR and sequenced from 29 strains representing 15 Vibrio species within the family Vibrionaceae. Sequence comparison of the amplified partial hsp60 gene ...

journal_title：Canadian journal of microbiology

authors： Kwok AY,Wilson JT,Coulthart M,Ng LK,Mutharia L,Chow AW

更新日期：2002-10-01 00:00:00

abstract：:Previously, we reported the metabolic responses of Pseudomonas sp. strain HF-1, a nicotine-degrading bacterium, to nicotine stress. However, the metabolic effects of nicotine on non-nicotine-degrading bacteria that dominate the environment are still unclear. Here, we have used nuclear magnetic resonance based metabolo...

journal_title：Canadian journal of microbiology

authors： Ding L,Chen J,Zou J,Zhang L,Ye Y

更新日期：2014-08-01 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：:Treponema denticola and Treponema vincentii were cultured in a medium supplemented with either 0.2 or 0.4% (w/v) alpha globulin in place of serum. The active factor(s) in alpha globulin was stable at pH 7.0 to autoclaving and was nondialyzable. Extraction of lipids from alpha globulin showed that both protein and lipi...

journal_title：Canadian journal of microbiology

authors： Van Horn KG,Smibert RM

更新日期：1982-03-01 00:00:00

abstract：:To isolate thiamine excretors and (or) overproducers, 188 cultures belonging to nine yeast and three fungal genera were screened. Nine excreted thiamine as determined by both the presence of cross-feeding zones on a thiamine-free agar medium seeded with a thiamine-requiring yeast strain and by the direct detection of ...

journal_title：Canadian journal of microbiology

authors： Haj-Ahmad Y,Bilinski CA,Russell I,Stewart GG

更新日期：1992-11-01 00:00:00

abstract：:This study aimed to examine aminoglycosides (AMGs) resistance mechanisms, including the AMG-modifying enzyme genes, mexXY, rplY, nuoG, and galU, in the Pseudomonas aeruginosa non-cystic fibrosis (CF) isolates in Thailand. One hundred P. aeruginosa isolates from non-CF patients were examined for susceptibility to AMGs ...

journal_title：Canadian journal of microbiology

authors： Poonsuk K,Tribuddharat C,Chuanchuen R

更新日期：2013-01-01 00:00:00

abstract：:A 3.1-kb region of the bacteriophage D3 genome which contains the immunity functions has recently been sequenced (GenBank accession No. L22692). Sequence analysis indicated the presence of a putative repressor gene (c1) whose protein product functions to maintain the bacteriophage genome as a stably integrated prophag...

journal_title：Canadian journal of microbiology

authors： Farinha MA,Kropinski AM

更新日期：1997-03-01 00:00:00

abstract：:Aspergillus fumigatus conidia have been linked to severe aspergillosis in immunocompromised patients. Recently, the cytotoxic effect of secondary metabolites from A. fumigatus conidia was reported. In the present work, a methodology used to detect cell death markers in fungal hyphae was adapted to study conidia cell d...

journal_title：Canadian journal of microbiology

authors： Oliveira M,Pereira C,Bessa C,Araujo R,Saraiva L

更新日期：2016-02-01 00:00:00

abstract：:The physiochemical characteristics of the intracellular proteolytic enzymes of Oidiodendron kalari, a neuropathogenic fungus, were studied. The organism in the yeast phase was grown in a semisynthetic medium containing 1% tryptone, at 37 degrees C for 48 hr, on a gyrotory shaker. The crude extract was prepared by brea...

journal_title：Canadian journal of microbiology

authors： Cino PM,Tewari RP

更新日期：1975-09-01 00:00:00

abstract：:Several probes for measuring dissolved carbon dioxide (CO2) concentration were installed in a 68-litre fermentor and their effectiveness compared. Submerged silastic rubber tubing gave reproducible results over a wide range of operating conditions and was generally superior to all other probes evaluated. The silastic ...

journal_title：Canadian journal of microbiology

authors： Alford JS Jr

更新日期：1976-01-01 00:00:00

abstract：:A polygalacturonase was isolated from the culture medium of Sclerotinia borealis, a psychrophilic fungus that grows on lawn and wheat seedling under the snow in winter and induces the snow mold disease. Pectic acid was a better substrate of this enzyme than pectin when the activity was determined by measuring the redu...

journal_title：Canadian journal of microbiology

authors： Takasawa T,Sagisaka K,Yagi K,Uchiyama K,Aoki A,Takaoka K,Yamamato K

更新日期：1997-05-01 00:00:00

abstract：:A real-time polymerase chain reaction assay that uses degenerate primers and a dual-labelled probe was developed to detect the bexA gene of Haemophilus influenzae, including those belonging to non-b serotypes as well as clonal division II strains. This assay is sensitive and specific, detecting 20 copies of the gene, ...

journal_title：Canadian journal of microbiology

authors： Law DK,Tsang RS

更新日期：2013-05-01 00:00:00

abstract：:Environmental scanning electron microscopic observations of Postia placenta grown on a defined medium and on red spruce wood allowed for the examination of the hydrated sheath of P. placenta. In the wood environment, mature hyphae that were not adhering to the substrate were observed to have a mycofibrillar morphology...

journal_title：Canadian journal of microbiology

authors： Connolly JH,Chen Y,Jellison J

更新日期：1995-04-01 00:00:00

abstract：:From the four known isoforms of the staphylococcal exfoliative toxins (ETs), only ETA and ETB are the major causative agents. General knowledge is that the gene for ETA is located on the chromosome, whereas that for ETB is located on a large plasmid. Yoshizawa and co-workers (2000, Microbiol. Immunol. 44(3): 189-191) ...

journal_title：Canadian journal of microbiology

authors： Sahin F,Karasartova D,Özsan TM,Kiyan M,Karahan CZ,Tekeli A

更新日期：2013-04-01 00:00:00