Molecular identification of a polyM-specific alginate lyase from Pseudomonas sp. strain KS-408 for degradation of glycosidic linkages between two mannuronates or mannuronate and guluronate in alginate.

abstract：:Enzymes induced by two Rhizobium trifolii bacteriophages caused depolymerization of exopolysaccharides from most R. trifolii and R. leguminosarum strains tested, but did not, in general, attack the exopolysaccharides of R. meliloti, the slow-growing rhizobia, or Agrobacterium. Ca2+ and (or) Mg2+ were required for enzy...

journal_title：Canadian journal of microbiology

authors： Barnet YM,Humphrey B

更新日期：1975-10-01 00:00:00

abstract：:The effect of hydrogen peroxide on Treponema pallidum was investigated. The in vitro loss of virulence (as measured by rabbit inoculation) of T. pallidum was accelerated by as low as 100 microM hydrogen peroxide in the complex maintenance medium used. Higher doses led to rapidly accelerated death with 500 microM hydro...

journal_title：Canadian journal of microbiology

authors： Steiner BM,Wong GH,Sutrave P,Graves S

更新日期：1984-12-01 00:00:00

abstract：:The nucleotide sequence of the murE gene encoding the diaminopimelic acid adding enzyme of Escherichia coli is reported. The coding region consisted of 1413 base pairs and was separated from the ftsI (penicillin-binding protein 3) gene by 61 base pairs. The deduced primary structure of MurE comprised 471 amino acid re...

journal_title：Canadian journal of microbiology

authors： Tao JS,Ishiguro EE

更新日期：1989-11-01 00:00:00

abstract：:A rapid and efficient electroporation procedure has been developed for transformation of germinating conidia of filamentous fungi. Pretreatment of conidial preparations with a cell wall weakening agent, such as beta-glucuronidase, was found to be essential for successful transformation. Using the qa-2+ gene of Neurosp...

journal_title：Canadian journal of microbiology

authors： Chakraborty BN,Patterson NA,Kapoor M

更新日期：1991-11-01 00:00:00

abstract：:Bacterial diversity was assessed in water samples collected from several uranium mining wastes in Ger many and in the United States by using 16S rDNA and ribosomal intergenic spacer amplification retrievals. The results obtained using the 16S rDNA retrieval showed that the samples collected from the uranium mill taili...

journal_title：Canadian journal of microbiology

authors： Radeva G,Selenska-Pobell S

更新日期：2005-11-01 00:00:00

abstract：:Fungal cultures were grown by a new microslide method and by the traditional slide-culture method. Sporulation results were similar by both methods. The microslide method has the advantages of increased safety to the user and ease of storage. ...

journal_title：Canadian journal of microbiology

authors： Hofherr L

更新日期：1978-10-01 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：:Mycoplasma pneumoniae is an important causative agent of atypical pneumonia. This study was to determine the ability of a DNA expression vector, which encodes the carboxy terminal region of the M. pneumoniae P1 protein (P1C), to induce humoral and cellular immune responses and to protect against M. pneumoniae infecti...

journal_title：Canadian journal of microbiology

authors： Zhu C,Wu Y,Chen S,Yu M,Zeng Y,You X,Xiao J,Wang S

更新日期：2012-05-01 00:00:00

abstract：:In this work a bacterial classification method based on the discriminant analysis of the microcalorimetric data provided by the growth power-time (p-t) curves is developed. This method is applied to classify several species of Enterobacteria of different origins, and the results are compared with those obtained by con...

journal_title：Canadian journal of microbiology

authors： Bermúdez J,López D,Sanahuja A,Viñas M,Lorén JG

更新日期：1988-09-01 00:00:00

abstract：:The effects of various hydrocarbon substrates, and a chemical surfactant capable of enhancing crude-oil biodegradation, on the community structure of a mixed-bacterial inoculum were examined in batch culture. Of 1000 TSA-culturable isolates, 68.6% were identified at the genus level or better by phospholipid fatty acid...

journal_title：Canadian journal of microbiology

authors： Van Hamme JD,Odumeru JA,Ward OP

更新日期：2000-05-01 00:00:00

abstract：:Alkaline phosphatase (APase) was present in the bovine rumen in both cell-free and cell-associated states and levels of the enzyme varied with dietary regime. Reaction product deposition showed that the enzyme was associated with the mixed bacterial population. No enzyme was observed to be associated with protozoa. Tr...

journal_title：Canadian journal of microbiology

authors： Cheng KJ,Hironaka R,Costerton JW

更新日期：1976-05-01 00:00:00

abstract：:The aim of this study was to assess the influence of sodium content on the microbiota on the surface of ready-to-eat (RTE) meat products purchased from the retail market in Canada. Products, including sliced and sausage-type deli meats, were analysed with culture-dependent and culture-independent methods. Bacteria wer...

journal_title：Canadian journal of microbiology

authors： Miller P,Liu X,McMullen LM

更新日期：2015-02-01 00:00:00

abstract：:Cultures of Bacillus subtilis lysogenic for the temperature bacteriophage SP beta release "betacin", a bacteriocinlike substance that inhibits B. subtilis strains which do not carry this phage. Production of betacin is blocked by mutations in the bet gene on the prophage and a second phage gene, tol, is apparently inv...

journal_title：Canadian journal of microbiology

authors： Hemphill HE,Gage I,Zahler SA,Korman RZ

更新日期：1980-11-01 00:00:00

abstract：:Plant endophytes are a group of microorganisms that reside asymptomatically within the healthy living tissue. The diversity and molecular and biochemical characterization of industrial hemp-associated endophytes have not been previously studied. This study explored the abundance and diversity of culturable endophytes ...

journal_title：Canadian journal of microbiology

authors： Scott M,Rani M,Samsatly J,Charron JB,Jabaji S

更新日期：2018-10-01 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：: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：:Nonmotile and motility-altered mutants of Myxococcus xanthus have been obtained by the use of chemical mutagens, ultraviolet irradiation, and a procedure for selective spontaneous mutants. As judged by their behaviour on a variety of growth media, in both plate and slide culture, the mutants were divided into four gro...

journal_title：Canadian journal of microbiology

authors： MacRae TH,McCurdy HD

更新日期：1976-09-01 00:00:00

abstract：:Attempts at improving chemical fixation for electron-microscopic observation of the capsule of Klebsiella pneumoniae were made. The capsule was preserved by using alcian blue - lanthanum and tris-(1-aziridinyl) phosphine oxide (TAPO) - aldehyde - osmium procedures. Despite the different retention of the overall capsul...

journal_title：Canadian journal of microbiology

authors： Cassone A,Garaci E

更新日期：1977-06-01 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：:Three distinct bacterial populations have been defined in the bovine rumen: the rumen fluid population; the population associated with food particles; and the population adherent to the rumen epithelium. Alkaline phosphatase activity has been reported in cells of the first two populations and here we report that assay...

journal_title：Canadian journal of microbiology

authors： Fay JP,Cheng KJ,Costerton JW

更新日期：1979-08-01 00:00:00

abstract：:Endophytic microorganisms reside asymptomatically within plants and are a source of new bioactive products for use in medicine, agriculture, and industry. Colletotrichum (teleomorph Glomerella) is a fungus widely cited in the literature as a producer of antimicrobial substances. Identification at the species level, ho...

journal_title：Canadian journal of microbiology

authors： Pileggi SA,Vieira de Oliveira SF,Andrade CW,Vicente VA,Dalzoto Pdo R,Kniphoff da Cruz G,Gabardo J,Massola NS,Tozze HJ,Pileggi M,Kava-Cordeiro V,Galli-Terasawa LV,Pimentel IC,Stringari D,Glienke C

更新日期：2009-09-01 00:00:00

abstract：:A bacteriocin, streptococcin sal-P, was isolated by freeze-thaw elution from cultures of Streptococcus salivarius strain P grown on tryptic soy agar plus 1% neopeptone. The inhibitor could also be extracted with either 7 M urea of 1 M NaCl from cells grown on this medium, but little activity was recovered from cells g...

journal_title：Canadian journal of microbiology

authors： Tagg JR,Russell C

更新日期：1981-09-01 00:00:00

abstract：:The site specificity of metallic ion binding in Escherichia coli K-12 lipopolysaccharide was assessed by collecting high-resolution phosphorus nuclear magnetic resonance spectra in the presence of manganese, a paramagnetic divalent cation. This technique revealed high-affinity interactions between the cation and all o...

journal_title：Canadian journal of microbiology

authors： Ferris FG,Beveridge TJ

更新日期：1986-01-01 00:00:00

abstract：:The in situ degradation of the two nitramine explosives, hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) and octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX), was evaluated using a mixture of RDX and HMX, incubated anaerobically at 10 degrees C with marine sediment from a previous military dumping site of unexplod...

journal_title：Canadian journal of microbiology

authors： Zhao JS,Greer CW,Thiboutot S,Ampleman G,Hawari J

更新日期：2004-02-01 00:00:00

abstract：:The morphology of Clostridium pasteurianum cells grown on 10(-2) M SO32- showed significant alteration in cell shape and the absence of the electron translucent reserve polysaccharide (amylopectin) when compared to sulfate-grown cells. At the lower sulfite concentrations (10(-3) and 10(-4)M SO32-) the cells showed the...

journal_title：Canadian journal of microbiology

authors： McCready RG,Costerton JW,Laishley EJ

更新日期：1976-02-01 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：:Bacterial strains and consortia of bacteria have been isolated for their ability to degrade, under anaerobic conditions, homocyclic monoaromatic compounds, such as phenolic compounds, methylbenzenes, and aminobenzenes. As opposed to aerobic conditions where these compounds are degraded via dihydroxyl intermediates int...

journal_title：Canadian journal of microbiology

authors： Villemur R

更新日期：1995-10-01 00:00:00

abstract：:A quantitative and qualitative survey of the indigenous Endogone population in wheat field soil and vesicular-arbuscular mycorrhiza in wheat roots as influenced by season and by the stage of development of the wheat plant was made. The number of Endogone spores in wheat field soil remained relatively unchanged in win...

journal_title：Canadian journal of microbiology

authors： Saif SR,Khan AG

更新日期：1975-07-01 00:00:00

abstract：:The accumulation of radioactive Cs by fungi was studied by analysis of fruit bodies (n (total) = 205, n greater than or equal to 5 for 22 species) collected in 1988 in a Norwegian mountain area with high deposition of radiocaesium from the Chernobyl accident. To account for site variation, the radiocaesium content of ...

journal_title：Canadian journal of microbiology

authors： Bakken LR,Olsen RA

更新日期：1990-10-01 00:00:00

abstract：:The isolation of 12 strains of cellulolytic fungi from the rumen of a roughage-fed steer is described. These represented three different genera, including one new genus and species (Orpinomyces bovis). The organisms were indistinguishable on the basis of fermentation products from cellulose, and their fermentation pat...

journal_title：Canadian journal of microbiology

authors： Kudo H,Jakober KD,Phillippe RC,Cheng KJ,Barr DJ,Costerton JW

更新日期：1990-07-01 00:00:00