Diagnosis of rubella virus infections. I. A comparison between Vero and BHK-21 cells for the detection of specific IgG and IgM antibodies by immunofluorescence.

abstract：:The shikimate metabolites are key precursors to a large number of natural products, including aromatic amino acids. Chorismic acid is an important branch point in the biosynthetic pathway to aromatic amino acids. Chorismic acid is also unique among natural products since it is the only compound known to undergo an enz...

journal_title：Canadian journal of microbiology

authors： Zamir LO,Devor KA,Jensen RA,Tiberio R,Sauriol F,Mamer O

更新日期：1991-04-01 00:00:00

abstract：:Glutaraldehyde, the biological fixative of choice in the cytochemical localization of the phosphatases, was investigated for its effects on Pseudomonas aeruginosa alkaline phosphatase. Comparative studies on the inactivation of alkaline phosphatase by glutaraldehyde showed significant differences when the purified pro...

journal_title：Canadian journal of microbiology

authors： Day DF,Ingram JM

更新日期：1981-05-01 00:00:00

abstract：:To isolate thiamine excretors and (or) overproducers, 188 cultures belonging to nine yeast and three fungal genera were screened. Nine excreted thiamine as determined by both the presence of cross-feeding zones on a thiamine-free agar medium seeded with a thiamine-requiring yeast strain and by the direct detection of ...

journal_title：Canadian journal of microbiology

authors： Haj-Ahmad Y,Bilinski CA,Russell I,Stewart GG

更新日期：1992-11-01 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：:Lymphocytic choriomeningitis virus could be demonstrated earlier in mice inoculated with clinical specimens if the mice were sacrificed before they appeared sick for examination by the fluorescent antibody technique. In the procedure, the optimal route for inoculation was intracerebral and the best organ tested for st...

journal_title：Canadian journal of microbiology

authors： Lewis VJ,Thacker WL,Mitchell SH

更新日期：1976-11-01 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：:Health effects associated with poor indoor air quality have created a need for accurate, reproducible methods of monitoring the microbiological content of indoor air. Improved methods of detection may allow researchers to clarify the effect of individual species present in the indoor environment on human health. This ...

journal_title：Canadian journal of microbiology

authors： MacNeil L,Kauri T,Robertson W

更新日期：1995-08-01 00:00:00

abstract：:A new type of tube (the Lee tube) has been developed for use in the cultivation and enumeration of obligate anaerobes. The Lee tube is a double-walled, screw-capped tube which allows the formation of a thin cylinder of agar medium between the two walls. Anaerobiosis is achieved through deoxygenation of the deep cylind...

journal_title：Canadian journal of microbiology

authors： Ogg JE,Lee SY,Ogg BJ

更新日期：1979-09-01 00:00:00

abstract：:The presence of killer and proteolytic yeasts was studied among 944 isolates representing 105 species from tropical yeast communities. We found 13 killer toxin producing species, with Pichia kluyveri being the most frequent. Other killer yeast isolates were Candida apis, Candida bombicola, Candida fructus, Candida kru...

journal_title：Canadian journal of microbiology

authors： Abranches J,Morais PB,Rosa CA,Mendonça-Hagler LC,Hagler AN

更新日期：1997-04-01 00:00:00

abstract：:This study examined the phylogenetic structure of serotype a Haemophilus influenzae (Hia) isolates recovered from patients in Canada. Hia isolates from 490 separate patients and an American Type Culture Collection (ATCC) strain were analyzed by multilocus sequence typing (MLST), with 18 different sequence types (STs) ...

journal_title：Canadian journal of microbiology

authors： Tsang RSW,Shuel M,Ahmad T,Hayden K,Knox N,Van Domselaar G,Hoang L,Tyrrell GJ,Minion J,Van Caeseele P,Kus JV,Ulanova M,Lefebvre B,Haldane D,Garceau R,German G,Zahariadis G,Hanley B,Kandola K,Patterson M

更新日期：2020-02-01 00:00:00

abstract：:Addition of Tween 80 to a 1.5% solution of beef extract was found to enhance the elution of bacteriophages adsorbed to electronegative filters. When reconcentration of the eluate was attempted by ammonium sulfate precipitation, a floating layer containing most of the viruses was formed. This floating layer can be obta...

journal_title：Canadian journal of microbiology

authors： Armon R,Arella M,Payment P

更新日期：1988-05-01 00:00:00

abstract：:An alginate lyase gene of a newly isolated Pseudomonas sp. strain KS-408 was cloned by using PCR with the specific primers designed from homologous nucleotide sequences. A partial protein sequence of KS-408 alginate lyase was homology-modeled on the basis of the crystal structure of A1-III alginate lyase from Sphingom...

journal_title：Canadian journal of microbiology

authors： Kam N,Park YJ,Lee EY,Kim HS

更新日期：2011-12-01 00:00:00

abstract：:Asexual sporulation in the fungus Aspergillus nidulans is controlled, in part, by a central regulatory pathway composed of the brlA, abaA, and wetA genes. The coding region of each of these genes was fused, in frame, to the threonine-inducible alcohol dehydrogenase promotor then stably incorporated into the A. nidulan...

journal_title：Canadian journal of microbiology

authors： Sewall TC

更新日期：1994-12-01 00:00:00

abstract：:To facilitate the recognition of plant viruses with similar characteristics a dendrogram of characterized viruses was constructed. The sequence of criteria included: type of nucleic acid; single or double stranded; presence or absence of lipid envelope; helical or nonhelical symmetry; and divided or single genome. Non...

journal_title：Canadian journal of microbiology

authors： Tremaine JH

更新日期：1977-09-01 00:00:00

abstract：:Total community DNA from 29 noncontaminated soils and soils impacted by petroleum hydrocarbons and chloro-organics from Antarctica and Brazil were screened for the presence of nine catabolic genes, encoding alkane monooxygenase or aromatic dioxygenases, from known bacterial biodegradation pathways. Specific primers an...

journal_title：Canadian journal of microbiology

authors： Luz AP,Pellizari VH,Whyte LG,Greer CW

更新日期：2004-05-01 00:00:00

abstract：:Despite the interactions known to occur between various lower respiratory tract pathogens and alveolar epithelial cells (AECs), few reports examine factors influencing the interplay between Mycobacterium tuberculosis bacilli and AECs during infection. Importantly, in vitro studies have demonstrated that the M. tubercu...

journal_title：Canadian journal of microbiology

authors： Pavlicek RL,Fine-Coulson K,Gupta T,Quinn FD,Posey JE,Willby M,Castro-Garza J,Karls RK

更新日期：2015-12-01 00:00:00

abstract：:The biochemical reactions, carbohydrate content, and 16S-rRNA sequences of Tatlockia (Legionella) maceachernii and Tatlockia micdadei strains were studied. Except for catalase activity, Tatlockia strains were relatively inert in the biochemical tests commonly used in clinical laboratories. Phenotypically, the two Tatl...

journal_title：Canadian journal of microbiology

authors： Fox KF,Brown A

更新日期：1993-05-01 00:00:00

abstract：:Mutations in the DNA polymerase locus of phage, bacteria, and eukaryotic may change the mutation rates at other loci of the genome. We used resistance to phosphonoacetate to select mutants of herpes simplex virus with mutated DNA polymerase and then determined the reversion frequency of viral thymidine kinase mutation...

journal_title：Canadian journal of microbiology

authors： Campione-Piccardo J,Rawls WE

更新日期：1984-05-01 00:00:00

abstract：:Penicillium chrysogenum F1 is very efficient in bioleaching heavy metals from the soil and is used for that purpose. We found that F1 can extract 19.8 mg Cd, Cu, Pb, and Zn from 2.5 g soil; the total heavy metals' bioleaching ratio was 60.4%. In this study, the bioleaching mechanism was investigated by means of metabo...

journal_title：Canadian journal of microbiology

authors： Deng X,Yang Z,Chen R

更新日期：2019-09-01 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：:A series of synthetic promoters, based upon the Escherichia coli sigma 70 consensus promoter sequence, was constructed upstream of the lacZ reporter gene in the modified broad-host-range vector pQF52. The role of the intervening spacer region in gene expression in Pseudomonas aeruginosa and E. coli was studied by inse...

journal_title：Canadian journal of microbiology

authors： McLean BW,Wiseman SL,Kropinski AM

更新日期：1997-10-01 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

abstract：:A microcinematographic analysis of the behaviour and movements of cells and cell masses in mated cultures (NC4 X VI2) of Dictyostelium discoideum indicates that a chemotactic process directs cell aggregation during macrocyst development. Zygote giant cells form before aggregation begins and act as the aggregation cent...

journal_title：Canadian journal of microbiology

authors： O'Day DH

更新日期：1979-12-01 00:00:00

abstract：:The IncHII plasmid pHH1508a (208 kilobases) encodes resistance to potassium tellurite, trimethoprim, and streptomycin. Conjugative pili encoded by pHH1508a were isolated, purified, and used for preparation of anti-H pilus antiserum. Immuno-gold labelling experiments using H pilus specific antiserum showed that antigen...

journal_title：Canadian journal of microbiology

authors： Yan W,Taylor DE

更新日期：1989-02-01 00:00:00

abstract：:Nonlinear survivor curves were obtained when spores of Bacillus cereus were heated in physiological saline solution. Curvilinear survivor curves did not appear to be caused by experimental artifacts but by the heterogeneity of spore population with regard to heat resistance. ...

journal_title：Canadian journal of microbiology

authors： Han YW

更新日期：1975-10-01 00:00:00

abstract：:The use of microbial fertilizers can help to avoid the harmful effects of traditional agricultural fertilizers and pesticides; however, there are many constraints on the practical application of such fertilizers. In this study, microbial biochar formulations (MBFs) were obtained by loading biochar, created from agricu...

journal_title：Canadian journal of microbiology

authors： Tao S,Wu Z,Wei M,Liu X,He Y,Ye BC

更新日期：2019-05-01 00:00:00

abstract：:Seven streptomycete strains were tested for biotransformation of salicylate. The products were identified by nuclear magnetic resonance spectroscopy and three types of conversion were found. Streptomyces cinnamonensis and Streptomyces spectabilis formed gentisate and salicylamide concurrently. Streptomyces rimosus tra...

journal_title：Canadian journal of microbiology

authors： Pospíšil S,Přikrylová V,Němeček J,Spížek J

更新日期：1996-08-01 00:00:00

abstract：:The phyllosphere, which supports a large number of microorganisms, represents the interface between the aboveground parts of plants and air. In this study, four nifH clone libraries were constructed from the phyllosphere of Pyrus serotina (L), Vitis vinifera (P), Prunus armeniaca (X), and Prunus avium (Y). Clones rela...

journal_title：Canadian journal of microbiology

authors： Liang S,Liu H,Wu S,Xu S,Jin D,Faiola F,Zhuang X,Zhuang G,Qu D,Fan H,Bai Z

更新日期：2019-09-01 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：: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