Microbial degradation of nitrobenzene and mono-nitrophenol by bacteria enriched from municipal activated sludge.

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：:Environmentally compatible control measures are needed for suppression of Phytophthora capsici on pepper. Twenty-three isolates of Trichoderma were screened for suppression of a mixture of 4 genetically distinct isolates of this pathogen on bell pepper (Capsicum anuum) in greenhouse pot assays. Of these 23 isolates, G...

journal_title：Canadian journal of microbiology

authors： Roberts DP,Maul JE,McKenna LF,Emche SE,Meyer SL,Collins RT,Bowers JH

更新日期：2010-10-01 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：: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：:Escherichia coli B and E. aurescens, Shigella alkalescens, and Proteus vulgaris et P. morganii tryptophanases (TPases) were studied for the spectral forms of the enzyme. The pH effect on the absorption spectrum and on the enzyme specific activity revealed that the coli group TPases are identical with but differ from P...

journal_title：Canadian journal of microbiology

authors： Simard C,Mardini A,Bordeleau LM

更新日期：1975-06-01 00:00:00

abstract：:The effects of seven thiophosphorus pesticides and their degradation products on estuarine ammonium oxidizers were examined. Using an axenic, closed-culture, high cell density assay, the pesticides caused little inhibition of ammonium oxidation. However, the degradation product of methyl parathion, p-aminophenol, sign...

journal_title：Canadian journal of microbiology

authors： Jones RD,Hood MA

更新日期：1980-11-01 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：: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：:Studies of the molecular biology of human papillomavirus type 16 have been limited by the lack of a tissue culture system that is fully permissive for virus replication; as a result, high-titre stocks of infectious virus are not readily available. Therefore, studies of viral gene expression have relied on analysis of ...

journal_title：Canadian journal of microbiology

authors： Salloukh H,Lavery C,Smiley JR,Rawls WE

更新日期：1993-01-01 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：:Antibiotic-resistant and antimetabolite-resistant mutants of the nitrogen-fixing symbiotic bacterium Frankia were isolated to provide strains with genetic backgrounds amenable to genetic analysis. The lethal and mutagenic effects of ethyl methanesulfonate (EMS) and UV light on four Frankia strains were investigated. U...

journal_title：Canadian journal of microbiology

authors： Myers AK,Tisa LS

更新日期：2004-04-01 00:00:00

abstract：:A high molecular component of a saline extract derived from Listeria monocytogenes contained amino acids, carbohydrates, and phosphorus. The same fraction was capable of promoting both the in vitro mitogenic and adjuvant activities and the in vivo immunosuppressive activity displayed by the crude extract. The material...

journal_title：Canadian journal of microbiology

authors： Otokunefor TV,Galsworthy SB

更新日期：1982-12-01 00:00:00

abstract：:Intestinal infections are a major cause of mortality in domestic rabbits. Although a few pathogenic organisms have been associated with this type of infection, it is often impossible to demonstrate the presence of any etiologic agents. Recently viral particles were observed in the intestine of diseased rabbits submitt...

journal_title：Canadian journal of microbiology

authors： Lapierre J,Marsolais G,Pilon P,Descôteaux JP

更新日期：1980-10-01 00:00:00

abstract：:Forty different antibiotics with diverse kingdom and functional specificities were used to measure the functional characteristics of the archaebacterial translation apparatus. The resulting inhibitory curves, which are characteristic of the cell-free system analyzed, were transformed into quantitative values that were...

journal_title：Canadian journal of microbiology

authors： Amils R,Ramírez L,Sanz JL,Marín I,Pisabarro AG,Ureña D

更新日期：1989-01-01 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：:We present preliminary data on the role of antibiotics in intraabdominal sepsis using a new, clinically relevant animal model. Peritoneal cavity infection was induced by ligation and perforation of the cecum in adult rats. Surviving rats were randomized to receive either saline or cefoxitin at the time of cecal excisi...

journal_title：Canadian journal of microbiology

authors： Bohnen JM,Matlow AG,Mustard RA,Christie NA,Kavouris B

更新日期：1988-03-01 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：:The effects of pressurized CO2 on the survival of Escherichia coli and the mechanism of cell inactivation were studied. Bacterial cultures were inoculated in nutrient broth and incubated at 30 degrees C for 18 h. Exposure of the cells to CO2 under pressures ranging from 2.5 to 25 MPa and at temperatures between 8 and ...

journal_title：Canadian journal of microbiology

authors： Oulé MK,Tano K,Bernier AM,Arul J

更新日期：2006-12-01 00:00:00

abstract：:A comparative study of the pathogenicity of Candida albicans morphological mutant strains was made to relate chlamydospore production, germ tube formation, and proteolytic activity to candidiasis in mice. It was observed that the mycelium strains were more lethal than the yeast-like strains and that neither chlamydosp...

journal_title：Canadian journal of microbiology

authors： Saltarelli CG,Gentile KA,Mancuso SC

更新日期：1975-05-01 00:00:00

abstract：:Group B Neisseria meningitidis (SD1C) was grown on defined medium supplemented with each of a variety of sulphur compounds as the sole source of sulphur. The organism grew on sulphate, sulphite, bisulphite, thiosulphate, dithionite, hydrosulphide, thiocyanate, L-cysteine, L-cystine, reduced glutathione, methionine, me...

journal_title：Canadian journal of microbiology

authors： Port JL,DeVoe IW,Archibald FS

更新日期：1984-12-01 00:00:00

abstract：:Cell surface hydrophobicity influences adhesion and virulence of the opportunistic fungal pathogen Candida albicans. Previous studies have shown that cell surface hydrophobicity is due to specific proteins that are exposed on hydrophobic cells but are masked by long fibrils on hydrophilic cells. This observation sugge...

journal_title：Canadian journal of microbiology

authors： Hazen KC,Glee PM

更新日期：1994-04-01 00:00:00

abstract：:Arsenic hyperaccumulator fern Pteris vittata L. produces large amounts of root exudates that are hypothesized to solubilize arsenic and maintain a unique rhizosphere microbial community. Total heterotrophic counts on rich or defined media supplemented with up to 400 mmol/L of arsenate showed a diverse arsenate-resista...

journal_title：Canadian journal of microbiology

authors： Huang A,Teplitski M,Rathinasabapathi B,Ma L

更新日期：2010-03-01 00:00:00

abstract：:Members of the genus Bacillus and related spore-forming genera are ubiquitous. However, Bacillus-like species isolated from marine sediments have attracted less interest than their terrestrial relatives. Here, we investigated the diversity of Bacillus-like bacterial communities in the sediments of the Bamenwan mangrov...

journal_title：Canadian journal of microbiology

authors： Liu M,Cui Y,Chen Y,Lin X,Huang H,Bao S

更新日期：2017-03-01 00:00:00

abstract：:Candida tropicalis synthesizes a hydroxylase (3 to 5 nmol of product formed per minute per milligram of protein) and a cytochrome P-450 (0.10 to 0.13 nmol per milligram of protein) during growth on n-tetradecane. A three- to four-fold increase in the level of NADPH cytochrome c reductase is also observed in those cell...

journal_title：Canadian journal of microbiology

authors： Gilewicz M,Zacek M,Bertrand JC,Azoulay E

更新日期：1979-02-01 00:00:00

abstract：:The attachment of Bradyrhizobium sp. (Lupinus) strain MSDJ718 to excised roots of white lupin was examined. Maximal attachment occurred at early to middle log phases of bacterial growth. This binding was pH dependent, with an optimal value reached at 6.6. Irrespective of the culture age, the attachment was strongly af...

journal_title：Canadian journal of microbiology

authors： Wisniewski JP,Delmotte FM

更新日期：1996-03-01 00:00:00

abstract：:Saccharomyces cerevisiae is a good model with which to study the effects of morphologic differentiation on the ecological behaviour of fungi. In this work, 33 morphologic mutants of a natural strain of S. cerevisiae, obtained with UV mutagenesis, were selected for their streak shape and cell shape on rich medium. Two ...

journal_title：Canadian journal of microbiology

authors： Barberio C,Bianchi L,Pinzauti F,Lodi T,Ferrero I,Polsinelli M,Casalone E

更新日期：2007-02-01 00:00:00

abstract：:The purpose of this study was to determine the prevalence of antibiotic-resistant bacteria and endotoxin in soil after land application of biosolids. Soil was collected over a 15 month period following land application of biosolids, and antibiotic resistance was ascertained using clinically relevant antibiotic concent...

journal_title：Canadian journal of microbiology

authors： Brooks JP,Maxwell SL,Rensing C,Gerba CP,Pepper IL

更新日期：2007-05-01 00:00:00

abstract：:Plant-microbial interactions have been well studied because of the ecological importance of such relationships in aquatic systems. However, general knowledge regarding the composition of these biofilm communities is still evolving, partly as a result of several confounding factors that are attributable to plant host p...

journal_title：Canadian journal of microbiology

authors： Olapade OA,Pung K

更新日期：2012-06-01 00:00:00

abstract：:Passive protective activities of three different classes of monoclonal antibodies in mice against challenge with strain ATCC 31432 (capsular type I) of Staphylococcus epidermidis were examined. Monoclonal IgM antibody passively protected mice against challenge with the homologous strain, whereas monoclonal IgG1 and Ig...

journal_title：Canadian journal of microbiology

authors： Ichiman Y,Usui Y,Suganuma M,Yoshida K

更新日期：1991-05-01 00:00:00

abstract：:BaeR, a response regulator protein, takes part in multidrug efflux, bacterial virulence activity, and other biological functions. Recently, BaeR was shown to induce inflammatory responses by activating the mitogen-activated protein kinases (MAPKs). In this study, we investigated additional pathways used by BaeR to ind...

journal_title：Canadian journal of microbiology

authors： Lee SJ,Birhanu BT,Awji EG,Kim MH,Park JY,Suh JW,Park SC

更新日期：2016-09-01 00:00:00