Relationship between carbon source and susceptibility of Cephalosporium acremonium to selected amino acid analogues.

abstract：:Helicobacter pylori exists in 2 distinct morphological states, helicoid and coccoid. Both have been observed in in vitro culture and in gastric biopsies. We visualized H. pylori during AGS cell infections using immunofluorescence microscopy. Anti-H. pylori mouse serum as well as human serum from H. pylori-positive pat...

journal_title：Canadian journal of microbiology

authors： Couturier MR,Stein M

更新日期：2008-07-01 00:00:00

abstract：:Numerous ultrastructural and biochemical analyses have been performed to characterize the cell wall composition and structure of Candida albicans. However, little investigation has focused on how subtle differences in cell wall structure influence the intracellular transport of amino acids and monosaccharides. In this...

journal_title：Canadian journal of microbiology

authors： Braun PC

更新日期：1999-05-01 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：:The addition of various concentrations of monensin (1,5, and 10 micrograms/mL) to the culture medium inhibits the fungal growth and perturbs exopolysaccharides secretion, provoking a decrease of production in Botrytis cinerea and an increase in Sclerotium rolfsii. The ionophore induces also modifications in both polym...

journal_title：Canadian journal of microbiology

authors： Koulali Y,Talouizte A,Fonvieille JL,Dargent R

更新日期：1996-09-01 00:00:00

abstract：:When Caryophanon latum was exposed to egg white lysozyme in isotonic sucrose and observed by phase-contrast microscopy, protoplasts emerged along the length of the trichomes, apparently at sites corresponding to cross septa. Electron microscopy of sections revealed that this enzyme initially attacked the core of the s...

journal_title：Canadian journal of microbiology

authors： Trentini WC,Murray RG

更新日期：1975-02-01 00:00:00

abstract：:Eight Enterococcus faecium strains isolated from ewe milk and artisanal cheese from northwest Argentina were screened for biotechnological properties relevant to flavour development. The API ZYM test showed absence of proteases, presence of high amounts of peptidases, and high esterase-lipase activities. Low extracell...

journal_title：Canadian journal of microbiology

authors： Abeijón MC,Medina RB,Katz MB,González SN

更新日期：2006-03-01 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：:Mutants of Trichoderma harzianum with altered antibiotic production were isolated using ultraviolet light mutagenesis. These included strains whose activity in a Fusarium oxysporum spore germination assay was greater than twice that of the parental strain and one that had no detectable antifungal activity. Characteris...

journal_title：Canadian journal of microbiology

authors： Graeme-Cook KA,Faull JL

更新日期：1991-09-01 00:00:00

abstract：:Culture-independent, biomarker-targeted bacterial enumeration and identification strategies were employed to estimate total bacterial burden and diversity within the cabin air of commercial airliners. Samples from each of 4 flights on 2 commercial carriers were collected via air-impingement. The total viable microbial...

journal_title：Canadian journal of microbiology

authors： La Duc MT,Stuecker T,Venkateswaran K

更新日期：2007-11-01 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

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：:A visual micromethod for measuring antifungal effects on germination and growth is described. The antifungal agent griseofulvin and the fungus Trichophyton mentagrophytes were used as materials to compare the micromethod with a standard assay based on dry mycelial weight. The micromethod was more sensitive than the we...

journal_title：Canadian journal of microbiology

authors： Kerbs S,Hutton RD,Hollister JW

更新日期：1978-05-01 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：:Raw milk samples from bulk tanks in Ontario were analyzed for the presence of Listeria species. The overall incidence of Listeria species in raw milk was 12.4%. Listeria innocua was most frequently isolated and was found in 9.7% (43/445) of the raw milk samples, while L. monocytogenes and L. welshimeri were each found...

journal_title：Canadian journal of microbiology

authors： Farber JM,Sanders GW,Malcolm SA

更新日期：1988-02-01 00:00:00

abstract：:An Escherichia coli K-12 biofilm was grown at a dilution rate of 0.028 h(-1) for 48 h in a glucose-limited chemostat coupled to a modified Robbins' device to determine its susceptibility to infection by bacteriophage T4. Bacteriophage T4 at a multiplicity of infection (MOI) of 10 caused a log reduction in biofilm dens...

journal_title：Canadian journal of microbiology

authors： Corbin BD,McLean RJ,Aron GM

更新日期：2001-07-01 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：:Dietary exposure to heavy metals may have detrimental effects on human and animal health, even at low concentrations. Specific probiotic bacteria may have properties that enable them to bind toxins from food and water. We assessed the interaction of probiotic bacteria with cadmium and lead in vitro as an initial scree...

journal_title：Canadian journal of microbiology

authors： Ibrahim F,Halttunen T,Tahvonen R,Salminen S

更新日期：2006-09-01 00:00:00

abstract：:Campylobacter fetus is a recognized pathogen of cattle and sheep that can also infect humans. No adhesins specific for C. fetus have to date been identified; however, bacterial attachment is essential to establish an infecting population. Scanning electron microscopy revealed C. fetus attachment to the serosal surface...

journal_title：Canadian journal of microbiology

authors： Graham LL,Friel T,Woodman RL

更新日期：2008-01-01 00:00:00

abstract：:In Salmonella typhimurium LT2 the F factor of Escherichia coli K-12 replicates normally but is repressed; Flac+ cells give no visible lysis on solid media with male-specific phages, low frequency transfer of Flac+ (0.001-0.007 per donor cell), few f2 infective centers (0.002-0.006 per cell), and they propagate male-sp...

journal_title：Canadian journal of microbiology

authors： Sanderson KE,Kadam SK,MacLachlan PR

更新日期：1983-09-01 00:00:00

abstract：:The monitoring of antimicrobial susceptibilities in Neisseria gonorrhoeae isolates and characterization of N. gonorrhoeae multiantigen sequence types (NG-MAST, ST) provide important surveillance data as resistance rates continue to rise. A total of 2970 N. gonorrhoeae isolates were collected by Canadian provincial pub...

journal_title：Canadian journal of microbiology

authors： Martin I,Sawatzky P,Liu G,Allen V,Lefebvre B,Hoang L,Lovgren M,Haldane D,Caeseele PV,Horsman G,Garceau R,Ratnam S,Wong T,Gilmour M

更新日期：2013-10-01 00:00:00

abstract：:HI plasmids are distinguished by their thermosensitive mode of conjugation (transfer efficiency is optimal at 22-30 degrees C) and their capacity to encode multiple antibiotic resistance. These traits have implicated HI plasmids as potential vectors in the dissemination of antibiotic resistance among pathogenic and in...

journal_title：Canadian journal of microbiology

authors： Maher D,Taylor DE

更新日期：1993-06-01 00:00:00

abstract：:Escherichia coli B and E. aurescens, Shigella alkalescens, and Proteus vulgaris et P. morganii tryptophanases (TPases) were studied for the spectral forms of the enzyme. The pH effect on the absorption spectrum and on the enzyme specific activity revealed that the coli group TPases are identical with but differ from P...

journal_title：Canadian journal of microbiology

authors： Simard C,Mardini A,Bordeleau LM

更新日期：1975-06-01 00:00:00

abstract：:Of 33 streptococcal cultures belonging to serological group L, all bound human immunoglobulin (Ig) G, fibrinogen, and fibronectin; 32 bound bovine IgG; 31 bound alpha 2-macroglobulin; 5 bound albumin; and none bound either haptoglobin or IgA. The binding sites for IgG could be isolated from the L streptococci by tryps...

journal_title：Canadian journal of microbiology

authors： Lämmler C,Schaufuss P,Frede C,Blobel H

更新日期：1988-01-01 00:00:00

abstract：:The effects of selected culture conditions on production of Shiga-like toxin-II variant by an edema disease strain of Escherichia coli (412) and E. coli TB1 (pCG6) containing the cloned genes for Shiga-like toxin-II variant were examined. Incubation time, culture media, incubation temperature, starting pH of the cultu...

journal_title：Canadian journal of microbiology

authors： MacLeod DL,Gyles CL

更新日期：1989-06-01 00:00:00

abstract：:It is important to understand the dynamics of tetracycline-resistant bacteria (TRB) and tetracycline resistance genes (TRGs) in bulk and rhizosphere soils for evaluating the spread of TRGs from pig manure to human. In this work, a greenhouse experiment was conducted to investigate the difference in abundance of TRB, t...

journal_title：Canadian journal of microbiology

authors： Kang Y,Hao Y,Xia D,Shen M,Li Q,Hu J

更新日期：2017-07-01 00:00:00

abstract：:Isolated toluene-degrading Pseudomonas stutzeri ST-9 bacteria were grown in a minimal medium containing toluene (100 mg·L(-1)) (MMT) or glucose (MMG) as the sole carbon source, with specific growth rates of 0.019 h(-1) and 0.042 h(-1), respectively. Scanning (SEM) as well as transmission (TEM) electron microscope anal...

journal_title：Canadian journal of microbiology

authors： Michael E,Nitzan Y,Langzam Y,Luboshits G,Cahan R

更新日期：2016-08-01 00:00:00

abstract：:An intracellular invertase was induced in cultures of Clostridium pasteurianum utilizing sucrose as its carbon source for growth. This enzyme synthesis could be repressed by the addition of fructose of a sucrose-growing culture. In contrast, invertase activity was not affected by the addition of glucose to sucrose-gro...

journal_title：Canadian journal of microbiology

authors： Laishley EJ

更新日期：1975-11-01 00:00:00

abstract：:Members of the genus Bacillus and related spore-forming genera are ubiquitous. However, Bacillus-like species isolated from marine sediments have attracted less interest than their terrestrial relatives. Here, we investigated the diversity of Bacillus-like bacterial communities in the sediments of the Bamenwan mangrov...

journal_title：Canadian journal of microbiology

authors： Liu M,Cui Y,Chen Y,Lin X,Huang H,Bao S

更新日期：2017-03-01 00:00:00

abstract：:Evidence has shown that individuals exposed to indoor toxic molds for extended periods of time have elevated risk of developing numerous respiratory illnesses. It is not clear at the cellular level what impact mold exposure has on the immune system. Herein, we show that 2 fungal volatiles (E)-2-octenal and oct-1-en-3-...

journal_title：Canadian journal of microbiology

authors： Hokeness K,Kratch J,Nadolny C,Aicardi K,Reid CW

更新日期：2014-01-01 00:00:00

abstract：:Haemophilus paragallinarum secretes metalloproteases into different culture media lacking serum. Secreted proteins, concentrated by precipitation with 70% ammonium sulphate ((NH(4))(2)SO(4)) or methanol, displayed proteolytic activity at >100 kDa molecular mass in 10% polyacrylamide gels co-polymerized with porcine ge...

journal_title：Canadian journal of microbiology

authors： Rivero-García PC,Cruz CV,Alonso PS,Vaca S,Negrete-Abascal E

更新日期：2005-10-01 00:00:00