Properties of the genus Tatlockia. Differentiation of Tatlockia (Legionella) maceachernii and micdadei from each other and from other legionellae.

abstract：:Urinary tract infections are common. Few published studies have demonstrated the change in Escherichia coli urinary isolate antimicrobial susceptibility over time within a given area and (or) population. The purpose of this study was to evaluate the change in susceptibility of E. coli clinical isolates obtained from u...

journal_title：Canadian journal of microbiology

authors： Walkty A,Lagacé-Wiens PR,Karlowsky JA,Hoban DJ,Manickam K,Adam H,Pieroni P,Alfa M

更新日期：2012-03-01 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：:Bovine tuberculosis is still rife in Latin America, producing huge economic losses. There are very few studies of the way this disease is spread through this geographical region, particularly in countries that border those that are almost free of Mycobacterium bovis. In this work, we have analyzed the spacer oligonucl...

journal_title：Canadian journal of microbiology

authors： Cobos-Marín L,Montes-Vargas J,Zumarraga M,Cataldi A,Romano MI,Estrada-Garcia I,Gonzalez-y-Merchand JA

更新日期：2005-11-01 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：: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：:The present investigation was aimed to scrutinize the salt tolerance potential of plant-growth-promoting rhizobacteria (PGPR) isolated from rhizospheric soil of selected halophytes (Atriplex leucoclada, Haloxylon salicornicum, Lespedeza bicolor, Suaeda fruticosa, and Salicornica virginica) collected from high-saline f...

journal_title：Canadian journal of microbiology

authors： Ullah S,Bano A

更新日期：2015-04-01 00:00:00

abstract：:Two strains of Bacillus sphaericus. SSII-1 and 1593, were bioassayed for toxic activity against second-instar larvae of the mosquito Culex pipiens quinquefasciatus. It was found that strain 1593 developed a level of toxicity 3000 times that of strain SSII-1. Although the toxic activity of B. sphaericus SSII-1 was rela...

journal_title：Canadian journal of microbiology

authors： Myers P,Yousten AA,Davidson EW

更新日期：1979-11-01 00:00:00

abstract：:During growth on minimal salts - glucose media supplemented with high concentrations of Na2SO3 (10-3 and 10-2 M), Salmonella heidelberg exhibited cytological and growth responses which indicated increased cellular toxicity with increasing sulfite concentrations. The large quantities of sulfide evolved during growth at...

journal_title：Canadian journal of microbiology

authors： McCready RG,Krouse HR

更新日期：1979-12-01 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 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：: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

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：:Large numbers of minute, flat, long, straight, but often broken structures were observed in aqueous extracts of soil. We have applied the purely descriptive term 'tubules' to these structure, because they apparently became flattened during preparation for electron-microscopic viewing. The tubules appeared to be compos...

journal_title：Canadian journal of microbiology

authors： Casida LE Jr,Liu KC

更新日期：1979-06-01 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：:Clinical isolates of Staphylococcus aureus were found to exhibit strain-specific heterogeneity to the growth-enhancing effects of human urokinase (UK), a proteinase with plasminogen activator activity. Nine out of fourteen (64%) methicillin-sensitive strains of S. aureus were responsive to UK in "in vitro" cultures. I...

journal_title：Canadian journal of microbiology

authors： Hart DA,Louie T,Krulicki W,Reno C

更新日期：1996-10-01 00:00:00

abstract：:Nontypeable Haemophilus influenzae (NTHi) is an opportunistic pathogen associated with a range of infections, including various lower respiratory infections, otitis media, and conjunctivitis. There is some debate as to whether or not NTHi produces biofilms and, if so, whether or not this is relevant to pathogenesis. A...

journal_title：Canadian journal of microbiology

authors： Obaid NA,Jacobson GA,Tristram S

更新日期：2015-03-01 00:00:00

abstract：:Polynucleotide sequences among 24 motile and 11 non-motile aeromonads were studied by analysis of deoxyribonucleic acid - deoxyribonucleic acid (DNA-DNA) duplexes with endonuclease S1. In addition, DNA base composition (mole % guanine and cytosine (G + C)) and relative genome sizes were determined for selected strains...

journal_title：Canadian journal of microbiology

authors： MacInnes JI,Trust TJ,Crosa JH

更新日期：1979-05-01 00:00:00

abstract：:Effects of Trichoderma harzianum and T. polysporum on chlamydospore production by two isolates of Phytophthora cinamomi were determined over a 21-day period in nonsterile, sterilized, and sterilized amended soil. Trichoderma was either coinoculated with P. cinnamomi or added to the cultures on day 3 of the incubation ...

journal_title：Canadian journal of microbiology

authors： Kelley WD

更新日期：1977-03-01 00:00:00

abstract：:The application of crossed immunoelectrophoresis to the analysis of a reference cytoplasm and cell envelope preparation from Pasteurella multocida serotype 1 revealed antigenic complexity not previously found. At least 55 cytoplasmic and 19 cell envelope antigens were clearly distinguished. Variation of anticytoplasm ...

journal_title：Canadian journal of microbiology

authors： Bhasin JL,Lapointe-Shaw L

更新日期：1980-06-01 00:00:00

abstract：:Brachiaria, predominantly an African genus, contains species, such as B. brizantha, an apomictic C4 grass, that are commercially important forage grasses in tropical America, where they now cover about 55 million hectares. From B. brizantha accession CIAT 6780, we isolated an endophytic fungus that may be economically...

journal_title：Canadian journal of microbiology

authors： Kelemu S,White JF Jr,Muñoz F,Takayama Y

更新日期：2001-01-01 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：:Dense populations of anaerobic bacteria were found sequentially layered below the thermocline in two eutrophic lakes in southwest Michigan. Phase and electron microscopy of whole cells and thin sections were used to reveal the in situ morphology of the dominant members of the community. The predominant chlorophyll-con...

journal_title：Canadian journal of microbiology

authors： Caldwell DE,Tiedje JM

更新日期：1975-03-01 00:00:00

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：: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：:A total of 230 strains of metal-tolerant bacteria from water and sediment samples collected in Chesapeake Bay were isolated on a medium containing cobalt, lead, mercury, or molybdenum. In addition, a set of 71 cultures were simultaneously isolated on glucose tryptone yeast extract agar medium without metals. Twenty-th...

journal_title：Canadian journal of microbiology

authors： Austin B,Allen DA,Mills AL,Colwell RR

更新日期：1977-10-01 00:00:00

abstract：:Morphological differentiation has commanded attention for its putative impact on the pathogenesis of invasive fungal infections. We evaluated in vitro and in vivo the dimorphism from mycelial to yeast-phase of Sporothrix schenckii, Blastomyces dermatitidis and Paracoccidioides brasiliensis isolates, two strains for ea...

journal_title：Canadian journal of microbiology

authors： Lima RF,Santos Brito MM,Schäffer GM,Lima OC,Borba Cde M

更新日期：2004-06-01 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：:Cell-free extracts prepared from the extremely halophilic bacterium Halobacterium saccharovorum oxidize galactose and accumulate a product which reacts as if it were a lactone. The product does not act as a reducing sugar and contains all six of the carbon atoms initially present in galactose. The product was jugged t...

journal_title：Canadian journal of microbiology

authors： Hochstein LI,Dalton BP,Pollock G

更新日期：1976-08-01 00:00:00

abstract：:Twenty-six strains of group JK corynebacteria had the same colonial morphology and biological reactions as the biotypes of the biovars of Corynebacterium genitalium and C. pseudogenitalium. Therefore, group JK corynebacteria can be assigned to the biovars of C. genitalium or C. pseudogenitalium. Although the strains d...

journal_title：Canadian journal of microbiology

authors： Evangelista AT,Coppola KM,Furness G

更新日期：1984-08-01 00:00:00

abstract：:Alkaline phosphatase (APase) was present in the bovine rumen in both cell-free and cell-associated states and levels of the enzyme varied with dietary regime. Reaction product deposition showed that the enzyme was associated with the mixed bacterial population. No enzyme was observed to be associated with protozoa. Tr...

journal_title：Canadian journal of microbiology

authors： Cheng KJ,Hironaka R,Costerton JW

更新日期：1976-05-01 00:00:00