Inhibition of L-lysine uptake by alpha-methyl lysine in Escherichia coli and Bacillus sphaericus.

abstract：:Roots of field-grown tropical maize, Panicum maximum Jacq. and Digitaria decumbens Stent., and of sorghum and wheat grown in monoxenic culture with the diazotroph Spirillum lipoferum (syn. Azospirillum spp.) were examined for tetrazolium-reducing bacteria following incubation of roots in a malate-phosphate buffer-2,3,...

journal_title：Canadian journal of microbiology

authors： Patriquin DG,Döbereiner J

更新日期：1978-06-01 00:00:00

abstract：:Five yeast strains belonging to the genus Cryptococcus Vuillemin were isolated from steppe plants and turf collected in the Prioksko-terrasny biosphere reserve (Moscow region, Russia). Sequence analyses of the D1/D2 domains of the 26S rDNA and of the internal transcribed spacer region revealed that these yeast strains...

journal_title：Canadian journal of microbiology

authors： Golubev WI,Sampaio JP,Alves L,Golubev NW

更新日期：2004-12-01 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：:Rabbit antisera prepared to meningococcal serogroups Y and W135 strains were compared with horse antisera using the antiserum agar method (ASA) for the serogroup identification of Neisseria meningitidis. Thirty-seven group Y strains formed immunoprecipitates with the Y rabbit serum only, whereas the same Y strains for...

journal_title：Canadian journal of microbiology

authors： Ashton FE,Ryan A,Diena BB

更新日期：1980-05-01 00:00:00

abstract：:Vaccination is the most promising strategy to reduce the incidence of pneumococcal infection. Although there are vaccines available, all of them are based on polysaccharide antigens (conjugated or not). In addition to their high cost, those vaccines do not cover all serotypes. To overcome these hindrances, we evaluate...

journal_title：Canadian journal of microbiology

authors： Araújo HF,Campos PC,Camargo DR,Pereira FN,Samuel ML,Oliveira MA,Fortes-Dias CL,Leclercq SY

更新日期：2012-09-01 00:00:00

abstract：:Degradation of purified rubella virus by heat treatment (37, 45, or 56 degrees C) revealed the following structures. The viral envelope, a modified cellular membrane, bears spherical subunits, 5-6 nm in diameter, hexamers, or pentamers. Two glycoproteins, VP-2 (50 000 daltons) and VP-3 (63 000 daltons), are associated...

journal_title：Canadian journal of microbiology

authors： Payment P,Ajdukovic D,Pavilanis V

更新日期：1975-05-01 00:00:00

abstract：:To determine the subcellular location of the Streptococcus mutans P1 protein C-terminal anchor, cell envelope fractionation experiments were conducted in combination with Western immunoblotting, using monoclonal antibody MAb 6-8C specific for an epitope that maps near the C terminus of P1 protein and also a polyclonal...

journal_title：Canadian journal of microbiology

authors： Homonylo-McGavin MK,Lee SF,Bowden GH

更新日期：1999-06-01 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：:Virus-like particles have been found in specific regions of the reproductive tracts of three different braconid wasps, all parasitoids of the tobacco budworm, Heliothis virescens. The particles are nuclear in origin, and Feulgen cytochemistry of particulate fluid in the calyx and oviducts of one species has revealed t...

journal_title：Canadian journal of microbiology

authors： Stoltz DB,Vinson SB,MacKinnon EA

更新日期：1976-07-01 00:00:00

abstract：:A mercuric ion-reducing flavoprotein was purified from Yersinia enterocolitica 138A14 using dye matrix affinity chromatography. The purified enzyme had a characteristic absorption spectrum similar to those of flavin compounds, and FAD was detected as a part of the purified enzyme by thin-layer chromatography. Freshly ...

journal_title：Canadian journal of microbiology

authors： Blaghen M,Vidon DJ,el Kebbaj MS

更新日期：1993-02-01 00:00:00

abstract：:beta-d-Fructofuranosidase (FFase), an important enzyme of the confectionery and fructose syrup industry, is produced by several microorganisms. However, yeasts are the most used source because of their high sucrose fermentation capacity. In this work, production of FFase was carried out in submerged fermentation using...

journal_title：Canadian journal of microbiology

authors： Venkateshwar M,Chaitanya K,Altaf MD,Hameeda B,Ghopal Reddy M

更新日期：2009-04-01 00:00:00

abstract：:The effect of fructans on the cultivable faecal community of Bio Breeding rats fed diets containing 5% (m/v) food-grade fructooligosaccharide (FOS) was investigated. Culturing of faecal material using chicory inulin as the sole carbohydrate source revealed the presence of a greater diversity of inulin-utilizing bacter...

journal_title：Canadian journal of microbiology

authors： Gourgue-Jeannot C,Kalmokoff ML,Kheradpir E,Kwan J,Lampi BJ,McAllister M,Brooks SP

更新日期：2006-10-01 00:00:00

abstract：:The lytic effect of lysozyme on Streptococcus faecalis ATCC 9790 was studied by spectrophotometry and electron microscopy and it was found to be highly dependent on the ionic strength of the suspending media and on the ratio lysozyme to bacterial cell mass. When 7.2 X 10(8) bacteria/mL are exposed to 0.4 mg/mL of lyso...

journal_title：Canadian journal of microbiology

authors： Carvalho ME,Gonçalves MH,Silva MT

更新日期：1984-07-01 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：:Glutaraldehyde, the biological fixative of choice in the cytochemical localization of the phosphatases, was investigated for its effects on Pseudomonas aeruginosa alkaline phosphatase. Comparative studies on the inactivation of alkaline phosphatase by glutaraldehyde showed significant differences when the purified pro...

journal_title：Canadian journal of microbiology

authors： Day DF,Ingram JM

更新日期：1981-05-01 00:00:00

abstract：:Among nine eluents tested, 0.5% (w/v) isoelectric casein at pH 9.0 and 0.5% (w/v) non-fat dry milk (pH 9.0) were the most efficient in eluting poliovirus type 1 (Sabin) from Eustis fine sand. However, no significant difference was found between the overall (elution followed by concentration) virus recoveries by non-fa...

journal_title：Canadian journal of microbiology

authors： Bitton G,Charles MJ,Farrah SR

更新日期：1979-08-01 00:00:00

abstract：:The binding of mutagenic pyrolyzates to cell fractions from some gram-negative intestinal bacteria and to thermally treated bacterial cells was investigated. 3-Amino-1,4-dimethyl-5H-pyrido[4,3-b]indole (Trp-P-1) and 3-amino-1-methyl-5H-pyrido[4,3-b]indole (Trp-P-2) were effectively bound by several of the bacterial ce...

journal_title：Canadian journal of microbiology

authors： Zhang XB,Ohta Y

更新日期：1992-07-01 00:00:00

abstract：:Lysis of mid-log phase cells of the Gram-positive bacterium, Corynebacterium sepedonicum, by a combination of lysozyme treatment and incubation with alkaline sodium dodecyl sulfate at 56 degrees C led to the recovery of a single plasmid. The plasmid was purified in CsCl density gradients, and its molecular weight esti...

journal_title：Canadian journal of microbiology

authors： Clark MC,Lawrence CH

更新日期：1986-08-01 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：:Early investigation into the mechanism of mitochondriogenesis in the facultative anaerobe Saccharomyces cerevisiae used anaerobic-aerobic transitions as model systems to study the in vivo assembly of these oxidative organelles. This methodology has become entrenched in the early literature and as a result a definitive...

journal_title：Canadian journal of microbiology

authors： Bruver RM,Ball JS,Tustanoff ER

更新日期：1975-06-01 00:00:00

abstract：:Using a mixture of three mono nitrophenols as sole carbon, nitrogen and energy sources, mixed cultures were enriched from municipal activated sludge to degrade both nitrophenols and nitrobenzene. Bacterial growth and degradation rate could be increased by supplementing the medium with 0.1% YE. Microorganisms were isol...

journal_title：Canadian journal of microbiology

authors： Zhao JS,Ward OP

更新日期：1999-05-01 00:00:00

abstract：:The effects of inhibition of protein synthesis on the cell size distributions of rel+ and relA- derivatives of Escherichia coli K-12 were determined. Amino acid deprivation resulted in a reduction in the cell sizes of rel+ strains but not of relA- strains. Treatment with chloramphenicol (CAM) did not alter the size di...

journal_title：Canadian journal of microbiology

authors： Ishiguro EE,Ramey WD

更新日期：1978-06-01 00:00:00

abstract：:The origin of the eukaryotic nucleus is difficult to reconstruct. While eukaryotic organelles (chloroplast, mitochondrion) are eubacterial endosymbionts, the source of nuclear genes has been obscured by multiple nucleotide substitutions. Using evolutionary parsimony, a newly developed rate-invariant treeing algorithm,...

journal_title：Canadian journal of microbiology

authors： Lake JA

更新日期：1989-01-01 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：:The ability of R-type lipopolysaccharide (LPS), isolated from Neisseria gonorrhoeae colony type 4, to protect against infection with N. gonorrhoea colony type 1 (T1 isolates) in the mouse and chicken embryo was investigated. C57 black mice were immunized intraperitoneally with 50 microgram of LPS, and challenged intra...

journal_title：Canadian journal of microbiology

authors： Diena BB,Ashton FE,Ryan A,Wallace R

更新日期：1978-02-01 00:00:00

abstract：:A Gram-negative aerobic bacterium, designated as JN8, was isolated from activated sludge and soil in a pesticides factory in China. It was found that JN8 had a high capacity for degrading a broad range of type II pyrethroids and utilizing these pyrethroids as the sole carbon source for cell growth. The degradation rat...

journal_title：Canadian journal of microbiology

authors： Jin Z,Guo Q,Zhang Z,Yan T

更新日期：2014-08-01 00:00:00

abstract：:In an effort to reduce human exposure to adenoviruses through drinking water, we determined the effectiveness of sequential disinfection with an alternative ultraviolet (UV) technology (medium-pressure (MP) UV) and monochloramine. The results of this study showed that MP UV was much more effective than traditional UV ...

journal_title：Canadian journal of microbiology

authors： Shin GA,Lee JK

更新日期：2010-07-01 00:00:00

abstract：:Chemical formation of a glucose-cyanide complex was necessary for metabolic degradation of cyanide at concentrations up to 50.0 mg/L by a strain of Escherichia coli isolated from gold extraction circuit liquids. Ammonia accumulating during the culture log phase as the sole nitrogen by-product was further utilized for ...

journal_title：Canadian journal of microbiology

authors： Figueira MM,Ciminelli VS,de Andrade MC,Linardi VR

更新日期：1996-05-01 00:00:00

abstract：:Several restriction systems were detected in different strains of Streptomyces antibioticus by using actinophages as biological indicators. Adsorption of phages to the bacteria, together with the study of the efficiency of plating gave an initial indication of restriction in three strains. The alternation of efficienc...

journal_title：Canadian journal of microbiology

authors： Sànchez J,Barbès C,Hernandez A,de los Reyes Gavilàn CR,Hardisson C

更新日期：1985-10-01 00:00:00

abstract：:Eighteen gram-negative marine bacteria and two terrestrial species, Escherichia coli and Pseudomonas aeruginosa, were examined for their sensitivity to lysis in distilled water after exposure to a salt solution containing a sea water concentration of Mg2+ (0.05 M) or to 0.5 M NaCl. A spectrum of lytic susceptibility w...

journal_title：Canadian journal of microbiology

authors： Laddaga RA,MacLeod RA

更新日期：1982-04-01 00:00:00