Cytochrome aa3 in facultatively aerobic and hyperthermophilic archaeon Pyrobaculum oguniense.

abstract：:A moderately halophilic Acinetobacter sp., capable of producing dextrinogenic amylase, was isolated from sea-sands. Maximum enzyme production was obtained when the bacterium was cultivated aerobically in media containing 1 to 2M NaCl or 1M KCl. Two kinds of amylase, amylases I and II were purified from the culture fil...

journal_title：Canadian journal of microbiology

authors： Onishi H,Hidaka O

更新日期：1978-09-01 00:00:00

abstract：:No clear data are available on how flavonoids from different chemical groups affect root colonization by arbuscular mycorrhizal fungi (AMF) and whether flavonoids affecting the presymbiotic growth of AMF also affect root colonization by AMF. In the present work, we compared the effect of flavones (chrysin and luteolin...

journal_title：Canadian journal of microbiology

authors： Scervino JM,Ponce MA,Erra-Bassells R,Bompadre J,Vierheilig H,Ocampo JA,Godeas A

更新日期：2007-06-01 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：:Neisseria gonorrhoeae strains can be grouped or differentiated (auxotyped) by their requirements for none, or any one or more of proline, uracil, hypoxanthine, and citrulline or ornithine. Most strains were readily assessed because they responded with growth or no growth on each defined auxanographic medium. Other str...

journal_title：Canadian journal of microbiology

authors： Hendry AT

更新日期：1983-10-01 00:00:00

abstract：:Our freshwater caulobacter collection contains about 40 strains that are morphologically similar to Caulobacter crescentus. All elaborate a crystalline protein surface (S) layer made up of protein monomers 100-193 kDa in size. We conducted a comparative study of S-layer secretion in 6 strains representing 3 size group...

journal_title：Canadian journal of microbiology

authors： Iuga M,Awram P,Nomellini JF,Smit J

更新日期：2004-09-01 00:00:00

abstract：:Candida albicans biofilm formation is considered an important matter because it can lead to strong resistance to conventional antifungal agents. Hyphae formed by C. albicans can also act as an important virulence factor related to its biofilm. The objective of this study was to determine the effect of zerumbone, a mon...

journal_title：Canadian journal of microbiology

authors： Shin DS,Eom YB

更新日期：2019-10-01 00:00:00

abstract：:Aspergillus caespitosus NRRL 5769 growing in broth containing small amounts of sitosterol produced substance(s) with greater inhibitory activity against Candida albicans ATCC 10231 than in broth without sitosterol. Subsequent isolation, purification, and structural elucidation yielded 5,6-dihydro-5(S)-acetoxy-6(S)-1,2...

journal_title：Canadian journal of microbiology

authors： Mizuba S,Lee K,Jiu J

更新日期：1975-11-01 00:00:00

abstract：:There are inherent weaknesses associated with currently used bacterial fecal pollution indicator systems. Fecal pollution indicator data would be more meaningful if supplemented with information relating to the occurrence of pathogens in recreational water. Through surveys of four bathing beaches on Lake Ontario, it w...

journal_title：Canadian journal of microbiology

authors： Sherry JP,Kuchma SR,Dutka BJ

更新日期：1979-09-01 00:00:00

abstract：:The peptidoglycan of Escherichia coli K-12 strain AB264 was isolated by treating whole cells with sodium dodecyl sulfate and was purified by deoxyribonuclease, ribonuclease, and trypsin treatment. Like the peptidoglycan of Bacillus subtilis, this peptidoglycan proved able to bind substantial amounts of metallic ions f...

journal_title：Canadian journal of microbiology

authors： Hoyle BD,Beveridge TJ

更新日期：1984-02-01 00:00:00

abstract：:In this work a bacterial classification method based on the discriminant analysis of the microcalorimetric data provided by the growth power-time (p-t) curves is developed. This method is applied to classify several species of Enterobacteria of different origins, and the results are compared with those obtained by con...

journal_title：Canadian journal of microbiology

authors： Bermúdez J,López D,Sanahuja A,Viñas M,Lorén JG

更新日期：1988-09-01 00:00:00

abstract：:Pyrenocine A, a phytotoxin produced by Pyrenochaeta terrestris (Hansen) Gorenz, Walker and Larson, possesses general antibiotic activity against plants, fungi, and bacteria. Effective doses for 50% inhibition (ED50s) are 4 micrograms/mL for onion seedling elongation; 14, 20, 20, and 25 micrograms/mL for the germinatio...

journal_title：Canadian journal of microbiology

authors： Sparace SA,Reeleder RD,Khanizadeh S

更新日期：1987-04-01 00:00:00

abstract：:A Gram-negative aerobic bacterium, designated as JN8, was isolated from activated sludge and soil in a pesticides factory in China. It was found that JN8 had a high capacity for degrading a broad range of type II pyrethroids and utilizing these pyrethroids as the sole carbon source for cell growth. The degradation rat...

journal_title：Canadian journal of microbiology

authors： Jin Z,Guo Q,Zhang Z,Yan T

更新日期：2014-08-01 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：:The initial cause of the cessation of patulin biosynthesis in submerged cultures of Penicillium urticae was sought. The extrinsic limitations to patulin biosynthesis in fermentor cultures were successfully removed and kinetic profiles of the metabolites of the pathway and of three pathway enzymes were determined over ...

journal_title：Canadian journal of microbiology

authors： Neway J,Gaucher GM

更新日期：1981-02-01 00:00:00

abstract：:Two rod-shaped viruses of similar length occurring in hops were isolated from a mixed infection. One (hop mosaic virus) infected Nicotiana clevelandii, produced mosaic symptoms in mosaic-sensitive hop cultivars, and did not infect Chenopodium murale. The other (hop latent virus) infected C. murale but not N. cleveland...

journal_title：Canadian journal of microbiology

authors： Probasco EG,Skotland CB

更新日期：1976-08-01 00:00:00

abstract：:The ability to rapidly identify and quantify a microbial strain in a complex environmental sample has widespread applications in ecology, epidemiology, and industry. In this study, we describe a rapid method to obtain functionally specific genetic markers that can be used in conjunction with standard or real-time poly...

journal_title：Canadian journal of microbiology

authors： Hynes SS,Chaudhry O,Providenti MA,Smith ML

更新日期：2006-05-01 00:00:00

abstract：:Rabbit antisera prepared to meningococcal serogroups Y and W135 strains were compared with horse antisera using the antiserum agar method (ASA) for the serogroup identification of Neisseria meningitidis. Thirty-seven group Y strains formed immunoprecipitates with the Y rabbit serum only, whereas the same Y strains for...

journal_title：Canadian journal of microbiology

authors： Ashton FE,Ryan A,Diena BB

更新日期：1980-05-01 00:00:00

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：: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：: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：:The oligosaccharides of human lactoferrin were enzymatically removed with glycopeptidase F, resulting in a preparation containing partial and fully deglycosylated human lactoferrin. The derivatives were separated by Concanavalin A affinity chromatography and compared with native human lactoferrin with respect to their...

journal_title：Canadian journal of microbiology

authors： Alcantara J,Padda JS,Schryvers AB

更新日期：1992-11-01 00:00:00

abstract：:Cultures of Streptomyces peucetius often were observed to divert spontaneously from the production of anthracycline antibiotics to the excretion of acidic metabolites, whether grown in a defined medium or a nutrient-rich medium. The predominant excreted acidic metabolites were determined by high-performance liquid chr...

journal_title：Canadian journal of microbiology

authors： Dekleva ML,Strohl WR

更新日期：1987-12-01 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：:Aluminum (Al) toxicity is a major problem affecting soil fertility, microbial diversity, and nutrient uptake of plants. Rhizobia response and legume interaction under Al conditions are still unknown; it is important to understand how to develop and improve legume cultivation under Al stress. In this study, rhizobia re...

journal_title：Canadian journal of microbiology

authors： Artigas Ramírez MD,Silva JD,Ohkama-Ohtsu N,Yokoyama T

更新日期：2018-08-01 00:00:00

abstract：:The lytic effect of lysozyme on Streptococcus faecalis ATCC 9790 was studied by spectrophotometry and electron microscopy and it was found to be highly dependent on the ionic strength of the suspending media and on the ratio lysozyme to bacterial cell mass. When 7.2 X 10(8) bacteria/mL are exposed to 0.4 mg/mL of lyso...

journal_title：Canadian journal of microbiology

authors： Carvalho ME,Gonçalves MH,Silva MT

更新日期：1984-07-01 00:00:00

abstract：:The multi-drug resistant pathogen Acinetobacter baumannii displays unusual control of its SOS mutagenesis genes, as it does not encode a LexA repressor, but instead employs the UmuDAb repressor and a small DdrR protein that is uniquely found in Acinetobacter species. We used bacterial adenylate cyclase t...

journal_title：Canadian journal of microbiology

authors： Cook D,Carrington J,Johnson K,Hare J

更新日期：2020-11-12 00:00:00

abstract：:Pseudomonas maltophilia has been identified in the rhizosphere of several cultured plants: cabbage, rape, mustard, corn, beet. In comparison with nonrhizospheric soil, all the rhizospheric samples analysed contain more of this Pseudomonas and the most important stimulation is supplied by cruciferous plants. The possib...

journal_title：Canadian journal of microbiology

authors： Debette J,Blondeau R

更新日期：1980-04-01 00:00:00

abstract：:Two bacterial species, Gram-negative Escherichia coli and Gram-positive Bacillus subtilis, were exposed to different auxins to examine possible effects of these substances on bacterial stress tolerance. Bacterial resistance to UV irradiation, heat shock, and streptomycin was assessed with and without previous exposure...

journal_title：Canadian journal of microbiology

authors： Repar J,Šućurović S,Zahradka K,Zahradka D,Ćurković-Perica M

更新日期：2013-11-01 00:00:00

abstract：:Absorption of 14C-labelled poliovirus-2 to sedimentable solids of primary sludge samples collected from a secondary treatment facility during a 6-month period averaged 94%; for anaerobically digested sludge, 99%. The extent of virus adsorption was influenced by the amount of solids. Maximal adsorption occurred at or a...

journal_title：Canadian journal of microbiology

authors： Lewis MA,Nath MW,Johnson JC

更新日期：1983-12-01 00:00:00

abstract：:Uroporphyrinogen decarboxylase (UroD) (EC 4.1.1.37) is an enzyme from the tetrapyrrole biosynthetic pathway, in which chlorophyll is the main final product in algae. This is the first time that a study on UroD activity has been performed in a green alga (Chlorella). We isolated and partially purified the enzyme from a...

journal_title：Canadian journal of microbiology

authors： Juárez AB,Aldonatti C,Vigna MS,Ríos de Molina Mdel C

更新日期：2007-02-01 00:00:00