Intrafungal distribution of aflatoxins among conidia and sclerotia of Aspergillus flavus and Aspergillus parasiticus.

abstract：:Two-dimensional (2-D) polyacrylamide gel electrophoresis was used to detect proteins induced in Frankia sp. strain ACN14a-tsr by root exudates of its symbiotic host, Alnus glutinosa. The 5 most prominent proteins were purified from 2-D gels and characterized by N-terminal sequencing. All of these proteins had a high p...

journal_title：Canadian journal of microbiology

authors： Hammad Y,Maréchal J,Cournoyer B,Normand P,Domenach AM

更新日期：2001-06-01 00:00:00

abstract：:Uptake of amino acids by Bacteroides ruminicola was observed in cells grown in a complete defined medium, containing ammonia as the nitrogen source. A high rate of uptake occurred only in fresh medium, as an inhibitory substance, possibly acetate, apparently accumulated during growth. All amino acids except proline we...

journal_title：Canadian journal of microbiology

authors： Stevenson RM

更新日期：1979-10-01 00:00:00

abstract：:Six effective Rhizobium leguminosarum bv. phaseoli strains were examined for nodulation competitiveness on common bean (Phaseolus vulgaris L.), using all possible two-strain combinations of inoculum. Nodule occupancy was determined with strain-specific fluorescent antibodies. The strains were divided into three groups...

journal_title：Canadian journal of microbiology

authors： George ML,Robert FM

更新日期：1992-02-01 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：:There are inherent weaknesses associated with currently used bacterial fecal pollution indicator systems. Fecal pollution indicator data would be more meaningful if supplemented with information relating to the occurrence of pathogens in recreational water. Through surveys of four bathing beaches on Lake Ontario, it w...

journal_title：Canadian journal of microbiology

authors： Sherry JP,Kuchma SR,Dutka BJ

更新日期：1979-09-01 00:00:00

abstract：:Mucor alternans(van Tieghem) was found to be a diphasic species in that it grew exclusively in the yeast-like budding phase under anaerobic conditions in the complex medium yeast extract-peptone-glucose broth and in tissue-culture medium 199. In the latter medium this growth form occurred also at 37C, at an initial pH...

journal_title：Canadian journal of microbiology

authors： Leyritz M,Kapica L

更新日期：1975-01-01 00:00:00

abstract：:Pseudomonas aeruginosa establishes life-long chronic infections in the cystic fibrosis (CF) lung by utilizing various adaptation strategies. Some of these strategies include altering metabolic pathways to utilize readily available nutrients present in the host environment. The airway sputum contains various host-deriv...

journal_title：Canadian journal of microbiology

authors： Daniels JB,Scoffield J,Woolnough JL,Silo-Suh L

更新日期：2014-12-01 00:00:00

abstract：:Characterization and enumeration of the adherent epimural community of the rumen wall of young, conventionally reared lambs were carried out from 2 to 21 days after birth. Three hundred strains were isolated by anaerobic procedures from three sites: dorsal, ventral, and caudal sacs, and from the sloughed epithelial ce...

journal_title：Canadian journal of microbiology

authors： Rieu F,Fonty G,Gouet P

更新日期：1989-07-01 00:00:00

abstract：:Despite the interactions known to occur between various lower respiratory tract pathogens and alveolar epithelial cells (AECs), few reports examine factors influencing the interplay between Mycobacterium tuberculosis bacilli and AECs during infection. Importantly, in vitro studies have demonstrated that the M. tubercu...

journal_title：Canadian journal of microbiology

authors： Pavlicek RL,Fine-Coulson K,Gupta T,Quinn FD,Posey JE,Willby M,Castro-Garza J,Karls RK

更新日期：2015-12-01 00:00:00

abstract：:Schizophyllum commune Fr. was shown, by light, scanning, and transmission electron microscopy, to be a destructive mycoparasite on several phytopathogenic and nematode-trapping fungi. The hyphae of S. commune coiled around host hyphae and fruiting structures and penetrated them by means of either unspecialized hyphae ...

journal_title：Canadian journal of microbiology

authors： Tzean SS,Estey RH

更新日期：1978-07-01 00:00:00

abstract：:A comparative study of the pathogenicity of Candida albicans morphological mutant strains was made to relate chlamydospore production, germ tube formation, and proteolytic activity to candidiasis in mice. It was observed that the mycelium strains were more lethal than the yeast-like strains and that neither chlamydosp...

journal_title：Canadian journal of microbiology

authors： Saltarelli CG,Gentile KA,Mancuso SC

更新日期：1975-05-01 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 prevalence of Coxiella burnetti infection (Q fever) was determined among Nova Scotia (N.S.) and Prince Edward Island (P.E.I.) blood donors by using the complement fixation and microimmunofluorescence (IF) test. The complement fixation and IF antibody tests measured antibody prevalence for the phase II or phase I a...

journal_title：Canadian journal of microbiology

authors： Marrie TJ,Van Buren J,Faulkner RS,Haldane EV,Williams JC,Kwan C

更新日期：1984-01-01 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：:Caulobacters are biofilm-forming members of the natural flora of soil and aquatic environments, which exhibit several characteristics that make them attractive for development of high surface area microbial bioreactors or biosensors. Although caulobacters are well characterized genetically, little is known about their...

journal_title：Canadian journal of microbiology

authors： Smit J,Sherwood CS,Turner RF

更新日期：2000-04-01 00:00:00

abstract：:HPr is a protein of the phosphoenolpyruvate:sugar phosphotransferase transport system (PTS). In gram-positive bacteria, HPr can be phosphorylated on Ser-46 by the kinase/phosphorylase HprK/P and on His-15 by phospho-enzyme I (EI~P) of the PTS. In vitro studies with purified HPrs from Bacillus subtilis, Enterococcus fa...

journal_title：Canadian journal of microbiology

authors： Roy DJ,Casabon I,Vaillancourt K,Huot JL,Vadeboncoeur C

更新日期：2008-11-01 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：:Microbial mats that develop in shallow brackish and hyposaline ponds in the rims of two French polynesian atolls (Rangiroa and Tetiaroa) were intensively investigated during the past three years. Comparative assessment of these mats (called kopara in polynesian language) showed remarkable similarities in their composi...

journal_title：Canadian journal of microbiology

authors： Che LM,Andréfouët S,Bothorel V,Guezennec M,Rougeaux H,Guezennec J,Deslandes E,Trichet J,Matheron R,Le Campion T,Payri C,Caumette P

更新日期：2001-11-01 00:00:00

abstract：:Four modes of heating endotoxin in plasma and two different times of heating endotoxin in pyrogen-free water were compared. There were no significant differences in standard curves after heating endotoxin in plasma at 100 degrees C for 1 and for 10 min. However, the standard curve after heating for 10 min at 75 degree...

journal_title：Canadian journal of microbiology

authors： Piotrowicz BI,McCartney AC

更新日期：1986-10-01 00:00:00

abstract：:This study compared the recovery of Cryptosporidium oocysts and Giardia cysts ((oo)cysts) from raw waters using 4 different concentration-elution methods: flatbed membranes, FiltaMax foam, Envirochek HV capsules, and Hemoflow ultrafilters. The recovery efficiency of the combined immunomagnetic separation and staining ...

journal_title：Canadian journal of microbiology

authors： Ferguson C,Kaucner C,Krogh M,Deere D,Warnecke M

更新日期：2004-09-01 00:00:00

abstract：:Like recF and recQ mutants studied earlier, two other classes of Escherichia coli mutants defective in the RecF conjugal recombination pathway, recJ and recO, were found to be partially resistant to thymineless death. In contrast, a recN mutant, also belonging to the pathway, was indistinguishable from the wild type w...

journal_title：Canadian journal of microbiology

authors： Nakayama K,Shiota S,Nakayama H

更新日期：1988-07-01 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：: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：:A dairy product processing plant was studied for 2.5 years to examine contamination with Staphylococcus aureus and try to correlate the source of contamination. Cultures were submitted to an antibiotic susceptibility test (AST) and characterised by Pulsed-field Gel Electrophoresis (PFGE) analysis. Results showed that ...

journal_title：Canadian journal of microbiology

authors： Tondo EC,Guimarães MC,Henriques JA,Ayub MA

更新日期：2000-12-01 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：:Giardia duodenalis is a common intestinal parasite in most parts of the world. In Canada it is associated with both endemic and epidemic infections that are often transmitted by the waterborne route. Although G. duodenalis strains have been isolated from several animals, the role of other mammals in human infection is...

journal_title：Canadian journal of microbiology

authors： Wenman WM,Meuser RU,Wallis PM

更新日期：1986-12-01 00:00:00

abstract：:We modified a technique, cDNA-AFLP, for identifying differentially expressed genes in plants to work in the filamentous fungus Leptosphaeria maculans (Desmaz.) Ces. & De Not. The cDNA fragments generated by our method ranged in size from approximately 100 to 400 bps. On average, twice as many cDNA fragments were ampli...

journal_title：Canadian journal of microbiology

authors： Gellatly KS,Ash GJ,Taylor JL

更新日期：2001-10-01 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：:Brachiaria, predominantly an African genus, contains species, such as B. brizantha, an apomictic C4 grass, that are commercially important forage grasses in tropical America, where they now cover about 55 million hectares. From B. brizantha accession CIAT 6780, we isolated an endophytic fungus that may be economically...

journal_title：Canadian journal of microbiology

authors： Kelemu S,White JF Jr,Muñoz F,Takayama Y

更新日期：2001-01-01 00:00:00

abstract：:The marine sponge Mycale sp., a potential source of natural bioactive products, is widely distributed along the coast of Fujian, China. The cultivable bacterial community associated with Mycale sp., the antibacterial activities, and the PKS (polyketide synthase) and NRPS (nonribosomal peptide synthetase) gene diversit...

journal_title：Canadian journal of microbiology

authors： Su P,Wang DX,Ding SX,Zhao J

更新日期：2014-04-01 00:00:00