Diversity of Bacillus-like bacterial community in the sediments of the Bamenwan mangrove wetland in Hainan, China.

abstract：:The effects of the Clostridium difficile toxin were examined in HeLa and mouse adrenal tumor (MAT) cells. Cytotoxicity was evaluated by vital dye exclusion and 51Cr release. In both HeLa and MAT cells, C. difficile toxin caused rounding of virtually 100% of cells. This rounding was distinguishable from rounding produc...

journal_title：Canadian journal of microbiology

authors： Gurwith MJ,Langston C,Dunsmore B

更新日期：1982-01-01 00:00:00

abstract：:Scanning and transmission electron microscopy was applied for a morphological study of three strains of Bifidobacterium grown on solid or liquid media. The pronounced pleomorphism of the cultures previously observed by light microscopy was confirmed. A possible sequence of the morphological events during transformatio...

journal_title：Canadian journal of microbiology

authors： Bauer H,Sigarlakie E,Faure JC

更新日期：1975-09-01 00:00:00

abstract：:The correlation between the occurrence of indicator organisms and salmonellae in the same sample homogenate of various classes of dried foods was studied. In the first phase of the work involving 5837 samples, 1943 contained fecal coliforms and 100 contained Salmonella. Fecal coliforms were not detected in 53 of the S...

journal_title：Canadian journal of microbiology

authors： Silliker JH,Gabis DA

更新日期：1976-07-01 00:00:00

abstract：:Mutants of Salmonella typhimurium with defects in the heptose region of the lipopolysaccharide (LPS) molecule (heptose-deficient, chemotype Re) leak periplasmic enzymes (acid phosphatase (EC 3.1.3.2), cyclic phosphodiesterase, ribonuclease I (EC 3.1.4.22), and phosphoglucose isomerase (EC 5.3.1.9) (PGI is at least par...

journal_title：Canadian journal of microbiology

authors： Chatterjee AK,Ross H,Sanderson KE

更新日期：1976-10-01 00:00:00

abstract：:Investigations of microbial diversity in Antarctic are important to begin to understand ecosystem functioning and decomposition processes. This study documents fungi at 9 historic sites on the Antarctic Peninsula collected from wooden structures, other organic materials, and soils during a joint National Science Found...

journal_title：Canadian journal of microbiology

authors： Arenz BE,Blanchette RA

更新日期：2009-01-01 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：:Bacillus subtilis fmbR-1 was obtained from wild-type B. subtilis fmbR by replacement of the native promoter of the surfactin operon with the inducible promoter Pspac. The recombinant B. subtilis fmbR-1 produced more antibacterial substances than the wild-type strain. The overproducing phenotype was related to the enha...

journal_title：Canadian journal of microbiology

authors： Sun H,Bie X,Lu F,Lu Y,Wu Y,Lu Z

更新日期：2009-08-01 00:00:00

abstract：:Formate dehydrogenase activity (EC 1.2.1.2) has been demonstrated in cell-free preparations of Mycobacterium phlei by following the reduction of 2,6 dichlorophenolindophenol. thiazolyl blue tetrazolium, or equine cytochrome c. The reduction of equine cytochrome c was inhibited by 2-heptyl-4-hydroxyquinoline-N-oxide. N...

journal_title：Canadian journal of microbiology

authors： Deyhle RR,Barton LL

更新日期：1977-02-01 00:00:00

abstract：:The fine structure of conidia and immature resting spores of the entomogenous fungus Entomophthora apiculata is described. The two cell types contain comparable organelles and quantities of lipid, and possess a similar cell wall structure. The large quantity of stored lipid and numerous mitochondria in each cell type ...

journal_title：Canadian journal of microbiology

authors： Lambiase JT,Yendol WG

更新日期：1977-04-01 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：:This research examines the distribution of aflatoxins among conidia and sclerotia of toxigenic strains of Aspergillus flavus Link and Aspergillus parasiticus Speare cultured on Czapek agar (21 days, 28 degrees C). Total aflatoxin levels in conidia and sclerotia varied considerably both within (intrafungal) and among s...

journal_title：Canadian journal of microbiology

authors： Wicklow DT,Shotwell OL

更新日期：1983-01-01 00:00:00

abstract：:Histological examination of oesophagus and stomach specimens from 28 guinea pigs (Cavia porcellus) revealed microbes associated with the epithelial surface of these organs. Layers of Gram-positive cocci were associated with oesophageal tissue in all the animals. Yeasts (Torulop-sid pintolopesii) were associated with s...

journal_title：Canadian journal of microbiology

authors： Yoon CS,Tannock GW

更新日期：1978-09-01 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：:The expression of the toxA and regA genes in Pseudomonas aeruginosa is negatively regulated by iron at the transcriptional level. We have previously described ptxR, an exotoxin A regulatory gene which appears to enhance toxA expression through regA. In this study, we have tried to determine if ptxR expression correlat...

journal_title：Canadian journal of microbiology

authors： Colmer JA,Hamood AN

更新日期：1999-12-01 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：:A full-scale nuclear fuel waste disposal container experiment was carried out 240 m below ground in an underground granitic rock research laboratory in Canada. An electric heater was surrounded by buffer material composed of sand and bentonite clay and provided heat equivalent to what is anticipated in a Canadian nucl...

journal_title：Canadian journal of microbiology

authors： Stroes-Gascoyne S,Pedersen K,Haveman SA,Dekeyser K,Arlinger J,Daumas S,Ekendahl S,Hallbeck L,Hamon CJ,Jahromi N,Delaney TL

更新日期：1997-12-01 00:00:00

abstract：:In this work, we assayed the ability of newly prepared indolizine derivates (epimers) 6C and 6A to inhibit the growth of Mycobacterium smegmatis and used them for resistance induction. 6A inhibited the growth of M. smegmatis at a concentration of 100 μg/mL. No inhibitory effect was observed in the presence of 6C. By i...

journal_title：Canadian journal of microbiology

authors： Olejníková P,Kurucová M,Švorc L,Marchalín Š

更新日期：2013-02-01 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 repair of DNA damage caused by ultraviolet radiation (UVR) is well understood in both lower and higher organisms. Genetic studies carried out at optimum temperature for growth, 37 °C in Escherichia coli, have revealed the major pathways of DNA repair. We show that E. coli cells grown at 20 °C are more sensitive to...

journal_title：Canadian journal of microbiology

authors： Mangoli S,Rath D,Goswami M,Jawali N

更新日期：2014-05-01 00:00:00

abstract：:In the dairy industry, bacterial contaminants persist on equipment surfaces due to spore and biofilm formation. These are involved in cross-contamination problems that affect the quality of processed products and limit their life. The pasteurization process, in which milk is submitted to moderate heat treatment, is in...

journal_title：Canadian journal of microbiology

authors： Malek F

更新日期：2019-06-01 00:00:00

abstract：:The study investigated the presence of Borrelia-specific antibodies captured in immune complexes (ICs) in patients with early Lyme disease manifested by erythema migrans. Out of 18 patients, 15 (83.3%) tested positive for polyethylene glycol-precipitated ICs containing IgM antibodies, while only 4 (22.2%) were IgG pos...

journal_title：Canadian journal of microbiology

authors： Lencáková D,Stefancíková A,Ivanová R,Petko B

更新日期：2007-12-01 00:00:00

abstract：:The oomycetes, a distinct phylogenetic lineage of fungus-like microorganisms, are heterokonts (stramenopiles) belonging to the supergroup Chromalveolata. Although the complete genomic sequences of a number of oomycetes have been reported, little information regarding the introns therein is available. Here, we investig...

journal_title：Canadian journal of microbiology

authors： Shen D,Ye W,Dong S,Wang Y,Dou D

更新日期：2011-02-01 00:00:00

abstract：:Nodulation of soybeans by indigenous and inoculum strains of Bradyrhizobium japonicum was studied in field experiments in Wisconsin from 1983 to 86. Aqueous suspensions of bacteria were applied to seeds at the time of planting at levels of 7 × 10(7)-10(10) bacteria per 2.5-cm row. The predominant indigenous serogroup ...

journal_title：Canadian journal of microbiology

authors： McLoughlin TJ,Alt SG,Merlo PA

更新日期：1990-11-01 00:00:00

abstract：:Salmonella typhimurium and a series of rough lipopolysaccharide mutants derived from it were used as target bacteria to examine the antimicrobial capacity of magainin 2. Magainin 2 demonstrated a dose-related bactericidal activity against the smooth parent strain and the series of lipopolysaccharide mutants. The lipop...

journal_title：Canadian journal of microbiology

authors： Macias EA,Rana F,Blazyk J,Modrzakowski MC

更新日期：1990-08-01 00:00:00

abstract：:Antibiotic susceptibility tests and restriction enzyme analysis (REA) of genomic DNA were performed to characterize the relationship between sources of isolates of yellow-pigmented enterococci. Antibiotic susceptibility tests were conducted with 10 therapeutic antibiotics and 54 isolates grouped by source (wild and ot...

journal_title：Canadian journal of microbiology

authors： Bahirathan M,Puente L,Seyfried P

更新日期：1998-11-01 00:00:00

abstract：:Recent food-borne outbreaks of human listeriosis as well as numerous sporadic cases have been mainly caused by Listeria monocytogenes serovar 4b strains. Thus, it was of interest to find out whether a certain clone or a certain few clones were responsible for these cases and especially for outbreaks. We used pulsed-fi...

journal_title：Canadian journal of microbiology

authors： Buchrieser C,Brosch R,Catimel B,Rocourt J

更新日期：1993-04-01 00:00:00

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：: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：:We examined factors related to the potent antagonistic effect of Escherichia coli and Bacteroides ovatus on Staphylococcus aureus in anaerobic continuous flow cultures. In the presence of sugars fermentable by E. coli alone or both E. coli and S. aureus, motile E. coli strains exerted a potent antagonistic effect and ...

journal_title：Canadian journal of microbiology

authors： Ushijima T,Ozaki Y

更新日期：1988-05-01 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