Changes in membrane lipids and amino acid transport in a nystatin-resistant Aspergillus niger.

abstract：:Sera from mice which have been vaccinated with BCG and challenged with old tuberculin contain gamma interferon. These same sera also express antibacterial activity. Using Staphylococcus aureus we demonstrated that its growth was inhibited at dilutions of sera as high as 1:320. A 4% concentration of sera reduced the gr...

journal_title：Canadian journal of microbiology

authors： Moulton RG,Gerner GD

更新日期：1986-05-01 00:00:00

abstract：:Ten strains of Caldariomyces fumago and related fungi were found to produce extracellular chloroperoxidase when grown on a glucose - malt extract medium. High enzyme levels and pigment production were observed for C. fumago ATCC 16373 and C. fumago CMI 89362. Removal of malt extract from the medium and the replacement...

journal_title：Canadian journal of microbiology

authors： Pickard MA

更新日期：1981-12-01 00:00:00

abstract：:Streptomyces echinatus A8331 cultured on a maltose minimal salts medium normally produces a single antibiotic, echinomycin (quinomycin A), containing two quinoxaline-2-carbonyl chromophores. Echinomycin is powerfully active against experimental tumours and can be assayed by its activity against Gram-positive bacteria....

journal_title：Canadian journal of microbiology

authors： Gauvreau D,Waring MJ

更新日期：1984-04-01 00:00:00

abstract：:The physiological characteristics and fatty acid composition of 40 strains of Yarrowia lipolytica isolated from irradiated poultry meat, commercial chilled foods, the superficial water of lagoons of an Italian river delta, and commercial light butter were compared. Discriminant analysis of the results permitted the 40...

journal_title：Canadian journal of microbiology

authors： Sinigaglia M,Lanciotti R,Guerzoni ME

更新日期：1994-01-01 00:00:00

abstract：:No clear data are available on how flavonoids from different chemical groups affect root colonization by arbuscular mycorrhizal fungi (AMF) and whether flavonoids affecting the presymbiotic growth of AMF also affect root colonization by AMF. In the present work, we compared the effect of flavones (chrysin and luteolin...

journal_title：Canadian journal of microbiology

authors： Scervino JM,Ponce MA,Erra-Bassells R,Bompadre J,Vierheilig H,Ocampo JA,Godeas A

更新日期：2007-06-01 00:00:00

abstract：:Fluorescent antibody was prepared against a temperate-soil isolate of Beijerinckia obtained from a rhizosphere of rice growing in Camargue (France). The antibody did not cross-react with any of 6 species of Azotobacter, 4 species of Beijerinckia, or 44 unidentified soil bacteria isolated from a spectrum of rhizosphere...

journal_title：Canadian journal of microbiology

authors： Diem HG,Godbillon G,Schmidt EL

更新日期：1977-02-01 00:00:00

abstract：:The aim of the present study was to examine soil samples from various vegetation zones in terms of physicochemical properties, microbial communities, and isolation and identification (by polymerase chain reaction and transmission electron microscopy) of bacteria producing poly-β-hydroxybutyrates (PHBs). Soil samples w...

journal_title：Canadian journal of microbiology

authors： Carpa R,Butiuc-Keul A,Lupan I,Barbu-Tudoran L,Muntean V,Dobrotă C

更新日期：2012-05-01 00:00:00

abstract：:We compared the bacterial communities in the larval midgut of field and laboratory populations of a polyphagous pest, the cotton bollworm (Helicoverpa armigera), using denaturing gradient gel electrophoresis (DGGE) of amplified 16S rDNA sequences and 16S library sequence analysis. DGGE profiles and 16S rDNA library se...

journal_title：Canadian journal of microbiology

authors： Xiang H,Wei GF,Jia S,Huang J,Miao XX,Zhou Z,Zhao LP,Huang YP

更新日期：2006-11-01 00:00:00

abstract：:Fusaproliferin (FP), a toxic metabolite of the world-wide maize pathogens Fusarium proliferatum and Fusarium subglutinans, was recently found to be a natural contaminant of maize. Its toxic activity on haematopoietic human cell lines and its teratogenic effects on chicken embryos has been recently proved. Therefore a ...

journal_title：Canadian journal of microbiology

authors： Monti SM,Fogliano V,Randazzo G,Peluso G,Logrieco A,Ritieni A

更新日期：1999-01-01 00:00:00

abstract：:Fine hair-like appendages on the cell walls of the another smut Ustilago violacea are described. These hairs are termed fimbriae because of their close similarity to the fimbriae (pili) found on certain Gram-negative bacteria. Cells of U. violacea may carry more than 200 fimbriae varying in length from about 0.5 mum t...

journal_title：Canadian journal of microbiology

authors： Poon NH,Day AW

更新日期：1975-04-01 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：: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：:To expand current knowledge on the molecular aspects of alkaline phosphatase PhoX in shallow eutrophic freshwaters, we investigated the genetic diversity and abundance of the PhoX-encoding gene (phoX) in 4 ecological regions in Lake Taihu, China, following a gradient in total phosphorus concentrations ranging from hyp...

journal_title：Canadian journal of microbiology

authors： Dai J,Chen D,Gao G,Tang X,Wu S,Wu X,Zhou J

更新日期：2014-03-01 00:00:00

abstract：:Samples of seawater, sediment, and the following invertebrates were collected from the Mediterranean Sea in the neighborhood of Alexandria, Egypt: sea urchins (Echinus spp.), clams (Tapes spp.), and wedge shells (Donax trunculus). A total of 165 samples were collected from November 1979 to July 1980. Average counts (p...

journal_title：Canadian journal of microbiology

authors： El-Sahn MA,El-Banna AA,El-Tabey Shehata AM

更新日期：1982-11-01 00:00:00

abstract：:In both relA+ and relA- derivatives, the biosynthesis of peptidoglycan, lipid intermediates, and nucleotide precursors abruptly halted at the onset of diauxic lag from glucose to lactose with a concomitant accumulation of guanosine 5'-diphosphate 3'-diphosphate (ppGpp). These results are consistent with the proposal t...

journal_title：Canadian journal of microbiology

authors： Ishiguro EE

更新日期：1979-10-01 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：:Caldibacillus debilis strains GB1 and Tf display distinct phenotypes. Caldibacillus debilis GB1 is capable of anaerobic growth and can synthesize ethanol while C. debilis Tf cannot. Comparison of the GB1 and Tf genome sequences revealed that the genomes were highly similar in gene content and showed a high level of sy...

journal_title：Canadian journal of microbiology

authors： Wushke S,Froese A,Fristensky B,Zhang XL,Spicer V,Krokhin OV,Levin DB,Sparling R

更新日期：2019-06-01 00:00:00

abstract：:Porcine epidemic diarrhea virus (PEDV) causes severe infectious diseases in all ages of swine and leads to serious economic losses. Serologic tests are widely accepted and used to detect anti-PEDV antibodies that could indicate PEDV infection or vaccination. In this study, PEDV recombinant S1 protein (rS1) was express...

journal_title：Canadian journal of microbiology

authors： Shan Y,Liu Y,Liu Z,Li G,Chen C,Luo H,Chen Y,Guo N,Shi X,Zhang X,Fang W,Li X

更新日期：2019-05-01 00:00:00

abstract：:alpha-Methyl lysine was investigated as a potential inhibitor of lysine transport in Escherichia coli and Bacillus sphaericus. At equimolar concentrations, no inhibition was observed in either organism, but at 10X and 100X the lysine concentration, alpha-methyl lysine caused a 20-50% reduction in the initial rate of l...

journal_title：Canadian journal of microbiology

authors： Regenstreif CA,Kelland JG,Pansare SV,Vederas JC,Pickard MA

更新日期：1986-06-01 00:00:00

abstract：:Ten bacteriophages infecting Micrococcus luteus have been characterized. All phages contain double-stranded DNA, of 64.3--73.5 mol% guanine plus cytosine (GC). The DNA of phage N7 has the highest GC content reported for any bacterial virus. No unusual bases have been found. The intracellular replicating DNAs of six ph...

journal_title：Canadian journal of microbiology

authors： Compton SW,Mayo JA,Ehrlich M,Ackermann HW,Tremblay L,Cords CE,Scaletti JV

更新日期：1979-09-01 00:00:00

abstract：:The natural reservoirs and biological characteristics of pathogenic populations of both subspecies of Photobacterium damselae in aquatic habitants remain unclear because of difficulties in obtaining pathogenic strains from the environment. In the present study, we assessed the occurrence of Photobacterium damselae sub...

journal_title：Canadian journal of microbiology

authors： Serracca L,Ercolini C,Rossini I,Battistini R,Giorgi I,Prearo M

更新日期：2011-05-01 00:00:00

abstract：:Frankia are gram-positive, filamentous bacteria capable of fixing atmospheric dinitrogen in symbiosis with a wide variety of woody plants and shrubs. Some isolates of Frankia harbor plasmids of 8.5 (pFQ11) and 22.4 kb (pFQ12) that have no known function but are transmitted through many generations in culture. We have ...

journal_title：Canadian journal of microbiology

authors： John TR,Rice JM,Johnson JD

更新日期：2001-07-01 00:00:00

abstract：:Purification and chemical characterization of an immunosuppressive exopolysaccharide from Capnocytophaga ochracea strain 25 are described. This polysaccharide was extracted from spent culture medium by cold ethanol precipitation. Purification was accomplished by trichloroacetic acid and pronase treatments in combinati...

journal_title：Canadian journal of microbiology

authors： Dyer JK,Bolton RW

更新日期：1985-01-01 00:00:00

abstract：:Studies of the molecular biology of human papillomavirus type 16 have been limited by the lack of a tissue culture system that is fully permissive for virus replication; as a result, high-titre stocks of infectious virus are not readily available. Therefore, studies of viral gene expression have relied on analysis of ...

journal_title：Canadian journal of microbiology

authors： Salloukh H,Lavery C,Smiley JR,Rawls WE

更新日期：1993-01-01 00:00:00

abstract：:Chitinases isolated from membrane and cytosolic fractions of two mucoraceous fungi, Choanephora cucurbitarum and Phascolomyces articulosus, were investigated. The membrane-bound chitinase was isolated by Bio-Gel P-100 and DEAE Bio-Gel A chromatographic techniques. On SDS-PAGE the chitinase from both fungi migrated as ...

journal_title：Canadian journal of microbiology

authors： Balasubramanian R,Manocha MS

更新日期：1992-04-01 00:00:00

abstract：:Chloroquine increases the inhibition of cultured lymphocytes by high concentrations of phytohemagglutinin (PHA) or concanavalin A (Con A). The inhibition is also increased by complement. Thus chloroquine and complement have similar effects. Time-course studies show that chloroquine increases the rate of onset of the c...

journal_title：Canadian journal of microbiology

authors： Forsdyke DR

更新日期：1975-10-01 00:00:00

abstract：:Candida albicans biofilm formation is considered an important matter because it can lead to strong resistance to conventional antifungal agents. Hyphae formed by C. albicans can also act as an important virulence factor related to its biofilm. The objective of this study was to determine the effect of zerumbone, a mon...

journal_title：Canadian journal of microbiology

authors： Shin DS,Eom YB

更新日期：2019-10-01 00:00:00

abstract：:Monoclonal antibodies reacting with the B subunit of Vibrio cholerae O1 strain 569B cholera toxin (CT-B) were used to identify unique and common epitopes of V. cholerae non-O1 and Vibrio mimicus CT-B. Vibrio cholerae non-O1 strains produced CT-B showing three monoclonal antibody reaction patterns (epitypes), which cor...

journal_title：Canadian journal of microbiology

authors： Tamplin ML,Jalali R,Ahmed MK,Colwell RR

更新日期：1990-06-01 00:00:00

abstract：:The diversity of 16 strains of chickpea-infective rhizobia from various geographical origins was analysed using genotypic and phenotypic approaches. Multilocus enzyme electrophoresis was performed, and restriction fragment length polymorphisms of the amplified 16S + IGS (intergenic spacer) rRNA gene, assimilation of 1...

journal_title：Canadian journal of microbiology

authors： Nour SM,Cleyet-Marel JC,Beck D,Effosse A,Fernandez MP

更新日期：1994-05-01 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