Microbes associated with the epithelium of the oesophagus and stomach of guinea pigs (Cavia porcellus).

abstract：:High resolution two-dimensional PAGE was used to analyse protein variation among serotype 1 poliovirus isolates. Viruses isolated from patients with recent histories of vaccination with live attenuated poliovirus were compared with prototype serotype 1 poliovaccine. The nonvaccine Mahoney and Brunenders strains of ser...

journal_title：Canadian journal of microbiology

authors： Cash P

更新日期：1988-06-01 00:00:00

abstract：:Fifty-two killer, factor-resistant, nuclear mutants were isolated from sensitive strains of yeast and assorted into three functional groups. All but one mutant owed their resistance to an alteration in the cell wall binding site for killer. In several mutant strains, an alteration at the site of killer binding was ass...

journal_title：Canadian journal of microbiology

authors： Al-Aidroos K,Bussey H

更新日期：1978-03-01 00:00:00

abstract：:Saccharomyces cerevisiae is a good model with which to study the effects of morphologic differentiation on the ecological behaviour of fungi. In this work, 33 morphologic mutants of a natural strain of S. cerevisiae, obtained with UV mutagenesis, were selected for their streak shape and cell shape on rich medium. Two ...

journal_title：Canadian journal of microbiology

authors： Barberio C,Bianchi L,Pinzauti F,Lodi T,Ferrero I,Polsinelli M,Casalone E

更新日期：2007-02-01 00:00:00

abstract：:Cellulomonas fimi genomic DNA was digested with HpaI, MunI, HindIII, and NsiI, producing fragments ranging in size from 20 to 1400 kbp that were resolved by pulsed field gel electrophoresis. Genetic and physical linkages were determined by Southern blotting and were used to construct a genome map. Cellulomonas fimi ha...

journal_title：Canadian journal of microbiology

authors： Stoll D

更新日期：2001-12-01 00:00:00

abstract：:The IncHII plasmid pHH1508a (208 kilobases) encodes resistance to potassium tellurite, trimethoprim, and streptomycin. Conjugative pili encoded by pHH1508a were isolated, purified, and used for preparation of anti-H pilus antiserum. Immuno-gold labelling experiments using H pilus specific antiserum showed that antigen...

journal_title：Canadian journal of microbiology

authors： Yan W,Taylor DE

更新日期：1989-02-01 00:00:00

abstract：:The mouse model of intraperitoneal sepsis with Proteus rettgeri was used to evaluate the anti-endotoxic effect of polymyxin B sulfate. An unexpected reversal of the usual protective effect of polymyxin in experimental enterobacterial sepsis was observed in which the lethality of the infection was enhanced. ...

journal_title：Canadian journal of microbiology

authors： Bannatyne RM,Cheung R

更新日期：1980-02-01 00:00:00

abstract：:In this study, 16S rRNA gene primers were designed to complement the suite of already available PCR primers for the detection of different methanogens involved in biogas production through anaerobic digestion by SYBR Green real-time PCR. Primers designed for use in TaqMan real-time PCR for the organisms Methanosaeta, ...

journal_title：Canadian journal of microbiology

authors： Franke-Whittle IH,Goberna M,Insam H

更新日期：2009-05-01 00:00:00

abstract：:The cellular functions are strongly influenced by the composition of the environment. In particular, phenotypes of microbial strains are modulated by concentrations of ions in the culture medium, and differences in element levels may be responsible for a phenotypic variability observed when microbial strains are grown...

journal_title：Canadian journal of microbiology

authors： Abelovska L,Bujdos M,Kubova J,Petrezselyova S,Nosek J,Tomaska L

更新日期：2007-04-01 00:00:00

abstract：:A transformation protocol mediated by Agrobacterium tumefaciens is described for the sapstaining fungus Ophiostoma piceae. We compared transformants obtained from Agrobacterium with those obtained from yeast-like cells made into spheroplasts and treated with CaCl2. For all putative transformants analyzed, Southern hyb...

journal_title：Canadian journal of microbiology

authors： Tanguay P,Breuil C

更新日期：2003-04-01 00:00:00

abstract：:Vesicular-arbuscular mycorrhizae of yellow poplar (Liriodendron tulipifera L.) were examined by scanning electron microscopy. The morphology and spatial distribution of endophytic structures are illustrated. The use of stereoscopic techniques in conjunction with removal of host cytoplasm permits detection of subtle ...

journal_title：Canadian journal of microbiology

authors： Kinden DA,Brown MF

更新日期：1975-07-01 00:00:00

abstract：:The effect of the transition metal compound trans-[Rh(4-ethylpyridine)4Cl2]Cl x 2H2O on the syntheses of DNA, RNA, and protein has been investigated for an auxotrophic bacterial strain, Escherichia coli JS-1, incapable of thymidine, uridine, and histidine syntheses. At low concentration (7.4 x 10(-6) M), this rhodium ...

journal_title：Canadian journal of microbiology

authors： Seeman SL,Jack TR

更新日期：1980-05-01 00:00:00

abstract：:Aphanomyces astaci secondary cyst walls and walls of germinating spores were prepared by alkaline hydrolysis, autolysis, sonication, and enzymic degradation and were examined by shadow-casting and negative-staining techniques. The cyst wall consists of randomly oriented fibrils, about 3 nm in diameter. The fibrils are...

journal_title：Canadian journal of microbiology

authors： Nyhlén L,Unestam T

更新日期：1978-11-01 00:00:00

abstract：:A moderately halophilic Acinetobacter sp., capable of producing dextrinogenic amylase, was isolated from sea-sands. Maximum enzyme production was obtained when the bacterium was cultivated aerobically in media containing 1 to 2M NaCl or 1M KCl. Two kinds of amylase, amylases I and II were purified from the culture fil...

journal_title：Canadian journal of microbiology

authors： Onishi H,Hidaka O

更新日期：1978-09-01 00:00:00

abstract：:Plant secondary metabolites, such as saponins, have a considerable impact in agriculture because of their allelopathic effects. They also affect the growth of soil microorganisms, especially fungi. We investigated the influence of saponins on rhizosphere bacteria in vitro and in soil conditions. The effects of gypsoph...

journal_title：Canadian journal of microbiology

authors： Fons F,Amellal N,Leyval C,Saint-Martin N,Henry M

更新日期：2003-06-01 00:00:00

abstract：:Iron and sulfur oxidation by Thiobacillus ferrooxidans as well as growth on ferrous iron were inhibited by a variety of low molecular weight organic compounds. The influences of chemical structure of the organic inhibitors, pH, temperature, physical treatment of cells, and added inhibitory or stimulatory inorganic ion...

journal_title：Canadian journal of microbiology

authors： Tuttle JH,Dugan PR

更新日期：1976-05-01 00:00:00

abstract：:Phytopathogenic spiroplasmas can multiply in vascular plants and insects. A deeper understanding of this dual-host life could be furthered through the identification by random mutagenesis of spiroplasma genes required. The ability of the EZ::TN™ Tnp transposome™ system to create random insertional mutations i...

journal_title：Canadian journal of microbiology

authors： Mutaqin K,Comer JL,Wayadande AC,Melcher U,Fletcher J

更新日期：2011-06-01 00:00:00

abstract：:Many studies on quorum quenching focus on the discovery and characterization of novel acyl-homoserine lactonases (AHL-lactonases) because these enzymes could be used in the control of diseases caused by Gram-negative bacteria. The effects of quorum quenching are also remarkable in the performance of bacterial consorti...

journal_title：Canadian journal of microbiology

authors： Gómez-Garzón C,Dussán J

更新日期：2017-01-01 00:00:00

abstract：:Menadione reductase (EC 1.6.99.2) has been purified 67-fold from Clostridium tyrobutyricum extracts. The molecular weight was found to be 60 000 and the prosthetic group was identified as FMN on the basis of the enzymatic analysis data. The binding of FMN to the menadione dehydrogenase apoenzyme was relatively weak wi...

journal_title：Canadian journal of microbiology

authors： Petitdemange H,Marczak R,Raval G,Gay R

更新日期：1980-03-01 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 new United States Drinking Water Regulations state that water systems must analyze for Escherichia coli or fecal coliforms on any routine or repeat sample that is positive for total coliforms. The proposed methods for the detection of E. coli are based on beta-glucuronidase activity, using the fluorogenic substrat...

journal_title：Canadian journal of microbiology

authors： Shadix LC,Rice EW

更新日期：1991-12-01 00:00:00

abstract：:Intestinal infections are a major cause of mortality in domestic rabbits. Although a few pathogenic organisms have been associated with this type of infection, it is often impossible to demonstrate the presence of any etiologic agents. Recently viral particles were observed in the intestine of diseased rabbits submitt...

journal_title：Canadian journal of microbiology

authors： Lapierre J,Marsolais G,Pilon P,Descôteaux JP

更新日期：1980-10-01 00:00:00

abstract：:Probiotics are usually isolated from the gastrointestinal tract of humans and animals. The search of probiotics in human milk is a recent field of research, as the existence of the human milk microbiome was discovered only about a decade ago. To our knowledge, no reports regarding the potential probiotic effect of bac...

journal_title：Canadian journal of microbiology

authors： Quilodrán-Vega SR,Villena J,Valdebenito J,Salas MJ,Parra C,Ruiz A,Kitazawa H,García A

更新日期：2016-06-01 00:00:00

abstract：:A test is described for selective inhibition of Mycobacterium tuberculosis and M. bovis isolates in fluid medium. The method employs rho-nitro-alpha-acetyl-amino-beta-hydroxy-propiophenone (NAP) as an inhibitory agent for differentiation of mammalian tuberculosis strains from other Mycobacteria. ...

journal_title：Canadian journal of microbiology

authors： Laszlo A,Eidus L

更新日期：1978-06-01 00:00:00

abstract：:Quorum sensing plays a role in the regulation of soft rot diseases caused by the plant pathogenic bacterium Pectobacterium carotovorum subsp. carotovorum. The signal molecules involved in quorum sensing in P. carotovorum subsp. carotovorum belong to the group of N-acyl homoserine lactones (AHLs). In our study, we scre...

journal_title：Canadian journal of microbiology

authors： Jafra S,Przysowa J,Czajkowski R,Michta A,Garbeva P,van der Wolf JM

更新日期：2006-10-01 00:00:00

abstract：:Dithiothreitol reacted, at pH 9.0, with the isolated cell walls of Methanospirillum hungatii, to release about 23% of the cell wall dry weight as a high molecular weight fraction (> 0.5 million daltons). Untreated walls consisted of 70% amino acids, 11% lipid, and 6.6% carbohydrate. Sugars were identified as rhamnose,...

journal_title：Canadian journal of microbiology

authors： Sprott GD,McKellar RC

更新日期：1980-02-01 00:00:00

abstract：:Cultures of Streptomyces peucetius often were observed to divert spontaneously from the production of anthracycline antibiotics to the excretion of acidic metabolites, whether grown in a defined medium or a nutrient-rich medium. The predominant excreted acidic metabolites were determined by high-performance liquid chr...

journal_title：Canadian journal of microbiology

authors： Dekleva ML,Strohl WR

更新日期：1987-12-01 00:00:00

abstract：:Unicellular green alga represents not only a convenient model for its biochemical and physiological studies but also a sensitive system to test the effects of various environmental factors. Algae cells of two strains, SA-3 strain (exsymbiotic from Paramecium bursaria) and Chlorella vulgaris c-27, were asynchronously c...

journal_title：Canadian journal of microbiology

authors： Gerashchenko BI,Gerashchenko II,Kosaka T,Hosoya H

更新日期：2002-02-01 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：:Seven lambs, separated from their dam 24 h after birth, were kept in a conventional environment until transferred to sterile isolators between 1 and 9 days of age: two on day 1 (IA and IB), two on day 4 (IVA and IVB), one on day 8 (VIIIA), and two on day 9 (IXA and IXB). The lambs were reared in these isolators until ...

journal_title：Canadian journal of microbiology

authors： Fonty G,Gouet P,Nebout JM

更新日期：1989-03-01 00:00:00

abstract：:The effects of seven thiophosphorus pesticides and their degradation products on estuarine ammonium oxidizers were examined. Using an axenic, closed-culture, high cell density assay, the pesticides caused little inhibition of ammonium oxidation. However, the degradation product of methyl parathion, p-aminophenol, sign...

journal_title：Canadian journal of microbiology

authors： Jones RD,Hood MA

更新日期：1980-11-01 00:00:00