Bioflotation of sulfide minerals with Acidithiobacillus ferrooxidans in relation to copper activation and surface oxidation.

abstract：:Agroinfiltration is used to treat plants with modified strains of Agrobacterium tumefaciens for the purpose of transient in planta expression of genes transferred from the bacterium. These genes encode valuable recombinant proteins for therapeutic or industrial applications. Treatment of large quantities of plants for...

journal_title：Canadian journal of microbiology

authors： Prudhomme N,Pastora R,Muselius B,McLean MD,Cossar D,Geddes-McAlister J

更新日期：2021-01-01 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：:Fermentation properties under the control of multiple genes are difficult to alter with traditional methods in Saccharomyces cerevisiae. Here, a novel genome engineering approach is developed to improve ethanol production in very high gravity fermentation with 300 g/L glucose as the carbon source. This strategy involv...

journal_title：Canadian journal of microbiology

authors： Hou L,Cao X,Wang C

更新日期：2010-06-01 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：:5-Methoxymethyl-2'-deoxyuridine (MMUdR), a drug with potent antiviral activity in vitro against Herpes simplex virus, was investigated for its immunosuppressive effects. Doses as high as 2000mg/kg given daily for 9 days were not immunosupporessive as judged by the fact that treated animals produced normal immune respo...

journal_title：Canadian journal of microbiology

authors： Rouse BT,Babiuk LA,Gupta VS

更新日期：1977-08-01 00:00:00

abstract：:HPr is a protein of the phosphoenolpyruvate:sugar phosphotransferase transport system (PTS). In gram-positive bacteria, HPr can be phosphorylated on Ser-46 by the kinase/phosphorylase HprK/P and on His-15 by phospho-enzyme I (EI~P) of the PTS. In vitro studies with purified HPrs from Bacillus subtilis, Enterococcus fa...

journal_title：Canadian journal of microbiology

authors： Roy DJ,Casabon I,Vaillancourt K,Huot JL,Vadeboncoeur C

更新日期：2008-11-01 00:00:00

abstract：:The production of cold shock proteins (csps) and cold acclimation proteins (caps) was characterized in the psychrotrophic bacterium Pseudomonas putida Q5 and its transconjugant P. putida Q5T which contains the toluene-degradative TOL (pWWO) plasmid, using two-dimensional gel electrophoresis and computing scanning lase...

journal_title：Canadian journal of microbiology

authors： Gumley AW,Inniss WE

更新日期：1996-08-01 00:00:00

abstract：:We report some characteristics of a ruminal bacterium (strain NPOH1) that metabolizes 3-nitropropanol, the toxic principle of various milk vetchs that are distributed worldwide. The gram-positive bacterium was nonmotile and did not produce spores. Growth of strain NPOH1 occurred under anaerobic conditions and was supp...

journal_title：Canadian journal of microbiology

authors： Anderson RC,Rasmussen MA,DiSpirito AA,Allison MJ

更新日期：1997-07-01 00:00:00

abstract：:Fetal bovine serum (FBS) is a necessary constituent of the culture media employed to foster the growth of Trypanosoma cruzi epimastigote forms. In different laboratories, the serum is used at final concentrations of 5 or 10%. We have normally supplemented the complex medium with 10% FBS. Under this condition we have d...

journal_title：Canadian journal of microbiology

authors： Racagni G,de Lema MG,Hernández G,Machado-Domenech EE

更新日期：1995-10-01 00:00:00

abstract：:Subtyping Neisseria meningitidis by methods that rely on monoclonal antibody (mAb) reactivity results in an unusually high number of strains that are not subtypeable. To subtype 48 strains isolated (1993-1994) in the province of Quebec that were not subtypeable by mAb-based techniques, we used DNA sequencing of the va...

journal_title：Canadian journal of microbiology

authors： Arhin FF,Moreau F,Coulton JW,Mills EL

更新日期：1998-01-01 00:00:00

abstract：:The adherence of Streptococcus pneumoniae to epithelial (A549) lung cells was studied and the bacterial binding distribution was found to be nonrandom (non-Gaussian). Analysis of the dependency of bacterial binding on the cell cycle of A549 cells revealed that approximately 1.8 times more bacteria bind to G2 cells tha...

journal_title：Canadian journal of microbiology

authors： Bérubé LR,Jouishomme H,Jarrell HC

更新日期：1998-05-01 00:00:00

abstract：:A study has been undertaken to account for the presence of Thiobacillus acidophilus in iron-grown cultures of Thiobacillus ferrooxidans. Attempts to adapt T. acidophilus to ferrous iron were not successful but the facultative autotroph grew to a limited extent in the spent medium of T. ferrooxidans and was able to gro...

journal_title：Canadian journal of microbiology

authors： Arkesteyn GJ,de Bont JA

更新日期：1980-09-01 00:00:00

abstract：:Yersinia enterocolitica biotype 1A (B1A) strains are considered mainly nonpathogenic. However, some studies considered strains of this biotype to be the causal agents of infections in humans and animals. In South America, there are no studies that have compared clinical and nonclinical strains of B1A typed by pulsed-f...

journal_title：Canadian journal of microbiology

authors： Campioni F,Falcão JP

更新日期：2014-06-01 00:00:00

abstract：:Previously, we reported the metabolic responses of Pseudomonas sp. strain HF-1, a nicotine-degrading bacterium, to nicotine stress. However, the metabolic effects of nicotine on non-nicotine-degrading bacteria that dominate the environment are still unclear. Here, we have used nuclear magnetic resonance based metabolo...

journal_title：Canadian journal of microbiology

authors： Ding L,Chen J,Zou J,Zhang L,Ye Y

更新日期：2014-08-01 00:00:00

abstract：:Fifty-four strains of Neisseria gonorrhoeae were examined for their ability to be agglutinated by various lectins. Wheat germ agglutinin, ricin, soybean lectin, and peanut agglutinin agglutinated all strains tested. Dolichos biflorus, Sophora japonica, Maclura pomifera, Ulex Europaeus, Lens culinaris, Canavalia ensifo...

journal_title：Canadian journal of microbiology

authors： Allen PZ,Connelly MC,Apicella MA

更新日期：1980-04-01 00:00:00

abstract：:Antibiotic susceptibilities of 382 strains of Campylobacter jejuni isolated in Alberta, Canada, in 1980 and 1981 were determined. Although none were resistant to erythromycin or gentamicin, 5.4 and 22% of strains were resistant to ampicillin in 1980 and 1981, respectively. Tetracycline resistance was noted in 6.8% of ...

journal_title：Canadian journal of microbiology

authors： Taylor DE,Chang N,Garner RS,Sherburne R,Mueller L

更新日期：1986-01-01 00:00:00

abstract：:The phototrophic purple sulfur bacterium Thiopedia rosea forms multicellular, gas-vacuolate, regular, flat aggregates (platelets, sheets) held together by slime. Platelets found in eutrophic water consisted of slime (85% of the total wet volume) and 16 cells, while the gas-filled vacuole occupied 44% of the volume of ...

journal_title：Canadian journal of microbiology

authors： Scherrer R,Shull VE

更新日期：1986-07-01 00:00:00

abstract：:The goal of this study was to evaluate the antibiofilm and antimicrobial activities of Bacoside A, a formulation of phytochemicals from Bacopa monnieri, against Staphylococcus aureus and Pseudomonas aeruginosa, which are known to form biofilms as one of their virulence traits. The antimicrobial effects of Bacoside A w...

journal_title：Canadian journal of microbiology

authors： Parai D,Islam E,Mitra J,Mukherjee SK

更新日期：2017-02-01 00:00:00

abstract：:Farnesol, a quorum sensing (QS) signal, is produced by Candida albicans during high density growth and has been found to inhibit morphogenesis. This QS auto-inducing signal was discovered to increase amino acid incorporation by C. albicans when concentrations of farnesol increased to 10 microg/mL in yeast nitrogen bro...

journal_title：Canadian journal of microbiology

authors： Braun PC

更新日期：2005-08-01 00:00:00

abstract：:The microbial community plays an important role in soil nutrient cycles and energy transformations in alpine grassland. In this study, we investigated the composition of the soil microbial community collected from alpine cold swamp meadow (ASM), alpine cold meadow (AM), and alpine cold desert steppe (ADS) within the B...

journal_title：Canadian journal of microbiology

authors： Shao K,Gao G

更新日期：2018-03-01 00:00:00

abstract：:We describe an improved allelic-exchange method for generating unmarked mutations and chromosomal DNA alterations in enterobacterial species. Initially developed for use in Salmonella enterica, we have refined the method in terms of time, simplicity, and efficiency. We have extended its use into related bacterial spec...

journal_title：Canadian journal of microbiology

authors： White AP,Allen-Vercoe E,Jones BW,DeVinney R,Kay WW,Surette MG

更新日期：2007-01-01 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：:Catalase from Bacillus sp. N2a (BNC) isolated from Antarctic seawater was purified to homogeneity. BNC has a molecular mass of about 230 kDa and is composed of four identical subunits of 56 kDa. The catalase showed optimal activity at 25 degrees C and at a pH range of 6-11. The enzyme could be inhibited by azide, hydr...

journal_title：Canadian journal of microbiology

authors： Wang W,Sun M,Liu W,Zhang B

更新日期：2008-10-01 00:00:00

abstract：:The course of intranasal infection of Sendai virus in CBA and DBA mice was investigated in animals decomplemented with purified cobra venom factor. The mice were decomplemented either immediately before inoculation or at 4 days postinfection. Depletion of complement after the infection had been established had no appa...

journal_title：Canadian journal of microbiology

authors： Finnie JC,Aston WP,O'Shaughnessy MV,Stewart RB

更新日期：1982-05-01 00:00:00

abstract：:The presence and taxonomy of endophytic bacteria of the entire aerial parts of crocus (Crocus albiflorus), a wildflower native in the Alps, were investigated. A combination of plating of plant macerates, isolation and sequence identification of isolates, and direct 16S rDNA PCR amplification followed by whole-communit...

journal_title：Canadian journal of microbiology

authors： Reiter B,Sessitsch A

更新日期：2006-02-01 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：:Eighteen yeast species of the genera Rhodotorula, Rhodosporidium, Sporobolomyces, and Sporidiobolus, each one represented by its type strain, were investigated with the objective of evaluating their carotenoid composition. The pigments were extracted from yeast cells, quantified by high pressure liquid chromatography ...

journal_title：Canadian journal of microbiology

authors： Buzzini P,Innocenti M,Turchetti B,Libkind D,van Broock M,Mulinacci N

更新日期：2007-08-01 00:00:00

abstract：:Approximately 20% of Canada's oil supply now comes from the extraction of bitumen from the oil sands deposits in northeastern Alberta. The oil sands are strip-mined, and the bitumen is typically separated from sand and clays by an alkaline hot water extraction process. The rapidly expanding oil sands industry has mill...

journal_title：Canadian journal of microbiology

authors： Fedorak PM,Coy DL,Salloum MJ,Dudas MJ

更新日期：2002-01-01 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：:The poly(3-hydroxybutyrate) (PHB) depolymerase structural gene of Comamonas sp. (phaZCsp) was cloned in Escherichia coli and identified by halo formation on PHB-containing solid medium. The nucleotide sequence of a 1719 base pair MboI fragment was determined and contained one large open reading frame (ORF1, 1542 base ...

journal_title：Canadian journal of microbiology

authors： Jendrossek D,Backhaus M,Andermann M

更新日期：1995-01-01 00:00:00