Structure of the exocellular D-glucan produced by Neisseria polysaccharea.

abstract：:In the present study, the effect of temperature and water activity on fungal growth and ochratoxin production on coffee-based medium was assessed. Optimal growth of three Aspergillus strains was observed in the same ecological conditions, namely 30 degrees C and 0.99 water activity. Maximal daily growth is 11.2, 6.92,...

journal_title：Canadian journal of microbiology

authors： Kouadio AI,Lebrihi A,Agbo GN,Mathieu F,Pfohl-Leszkowiz A,Dosso MB

更新日期：2007-07-01 00:00:00

abstract：:Two-dimensional (2-D) polyacrylamide gel electrophoresis was used to detect proteins induced in Frankia sp. strain ACN14a-tsr by root exudates of its symbiotic host, Alnus glutinosa. The 5 most prominent proteins were purified from 2-D gels and characterized by N-terminal sequencing. All of these proteins had a high p...

journal_title：Canadian journal of microbiology

authors： Hammad Y,Maréchal J,Cournoyer B,Normand P,Domenach AM

更新日期：2001-06-01 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：: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：:Iron and sulfur oxidation by Thiobacillus ferrooxidans as well as growth on ferrous iron were inhibited by a variety of low molecular weight organic compounds. The influences of chemical structure of the organic inhibitors, pH, temperature, physical treatment of cells, and added inhibitory or stimulatory inorganic ion...

journal_title：Canadian journal of microbiology

authors： Tuttle JH,Dugan PR

更新日期：1976-05-01 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：:Fourteen Lactococcus lactis strains showing inhibitory activity against Listeria innocua SICC 4202 were isolated from different French raw milks and raw milk cheeses and screened for bacteriocin production by the triple layer method under conditions that eliminate the effects of lactic acid and hydrogen peroxide. Thre...

journal_title：Canadian journal of microbiology

authors： Ali D,Lacroix C,Thuault D,Bourgeois CM,Simard RE

更新日期：1995-09-01 00:00:00

abstract：:The correlation between the occurrence of indicator organisms and salmonellae in the same sample homogenate of various classes of dried foods was studied. In the first phase of the work involving 5837 samples, 1943 contained fecal coliforms and 100 contained Salmonella. Fecal coliforms were not detected in 53 of the S...

journal_title：Canadian journal of microbiology

authors： Silliker JH,Gabis DA

更新日期：1976-07-01 00:00:00

abstract：:Polymerase chain reaction amplification was used to compare different regions of the cytochrome c3 gene from nine strains of Desulfovibrio vulgaris, to examine homology within the species. Six 30-base polymerase chain reaction primers and three probes were synthesized on the basis of the published nucleic acid sequenc...

journal_title：Canadian journal of microbiology

authors： Kwoh DY,Vedvick TS,McCue AF,Gevertz D

更新日期：1993-04-01 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：:A tryptophan auxotroph of aerobically grown Rodospirillum rubrum was isolated after mutagenesis and replica plating. The mutant grows on tryptophan or indole, accumulates indole glycerol phosphate, lacks the capacity to convert indole glycerol phosphate to indole glycerol phosphate to indole, and finally is defective ...

journal_title：Canadian journal of microbiology

authors： Beuchemin-Newhouse N,Cedergen RJ

更新日期：1978-03-01 00:00:00

abstract：:The aim of this study was to determine the effect of the rhizosphere of maize on the diversity of denitrifying bacteria. Community structure comparison was performed by constructing a collection of isolates recovered from bulk and maize planted soil. A total of 3240 nitrate-reducing isolates were obtained and 188 of t...

journal_title：Canadian journal of microbiology

authors： Chèneby D,Perrez S,Devroe C,Hallet S,Couton Y,Bizouard F,Iuretig G,Germon JC,Philippot L

更新日期：2004-07-01 00:00:00

abstract：:Roots of field-grown tropical maize, Panicum maximum Jacq. and Digitaria decumbens Stent., and of sorghum and wheat grown in monoxenic culture with the diazotroph Spirillum lipoferum (syn. Azospirillum spp.) were examined for tetrazolium-reducing bacteria following incubation of roots in a malate-phosphate buffer-2,3,...

journal_title：Canadian journal of microbiology

authors： Patriquin DG,Döbereiner J

更新日期：1978-06-01 00:00:00

abstract：:Virus-like particles have been found in specific regions of the reproductive tracts of three different braconid wasps, all parasitoids of the tobacco budworm, Heliothis virescens. The particles are nuclear in origin, and Feulgen cytochemistry of particulate fluid in the calyx and oviducts of one species has revealed t...

journal_title：Canadian journal of microbiology

authors： Stoltz DB,Vinson SB,MacKinnon EA

更新日期：1976-07-01 00:00:00

abstract：:This study was undertaken to determine if direct cytotoxicity (DC) against herpes simplex virus infected cells, perhaps mediated by T cells, could be demonstrated in individuals subject to recurrent herpes labialis. The mononuclear cells from 7 out of 17 individuals with recurrent herpes expressed DC whereas no DC was...

journal_title：Canadian journal of microbiology

authors： Fujimiya Y,Babiuk LA,Rouse BT

更新日期：1978-09-01 00:00:00

abstract：:Dermatophytes are a group of fungi that are capable of invading keratinized tissues of humans and other animals. Antifungal susceptibility analysis and genetic studies by random amplification of polymorphic DNA (RAPD), have been used to detect polymorphism as well as determining the possible resistance of dermatophyte...

journal_title：Canadian journal of microbiology

authors： Brilhante RS,Cordeiro RA,Medrano DJ,Monteiro AJ,Sidrim JJ,Rocha MF

更新日期：2005-06-01 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：:Dithiothreitol reacted, at pH 9.0, with the isolated cell walls of Methanospirillum hungatii, to release about 23% of the cell wall dry weight as a high molecular weight fraction (> 0.5 million daltons). Untreated walls consisted of 70% amino acids, 11% lipid, and 6.6% carbohydrate. Sugars were identified as rhamnose,...

journal_title：Canadian journal of microbiology

authors： Sprott GD,McKellar RC

更新日期：1980-02-01 00:00:00

abstract：:Habitat fragmentation affects the biodiversity and function of aboveground organisms in natural ecosystems but has not been studied for effects on belowground species. In this paper, we consider the diversity of the rhizobia associated with the indigenous legume Dalea purpurea in 3 residual prairie areas in Minnesota ...

journal_title：Canadian journal of microbiology

authors： Tlusty B,van Berkum P,Graham PH

更新日期：2005-01-01 00:00:00

abstract：:Two potassium (K)-bearing minerals, Nanjing feldspar and Suzhou illite, were used to investigate K mobilization by the wild-type strain NBT of Bacillus edaphicus, also labeled MPs+, selected for high activity in mobilizing potassium from minerals, and by four of its UV + LiCl mutants, MPs++, MPs+1, MPs+2, and MPs-. In...

journal_title：Canadian journal of microbiology

authors： Sheng XF,He LY

更新日期：2006-01-01 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：:Nodulation of soybeans by indigenous and inoculum strains of Bradyrhizobium japonicum was studied in field experiments in Wisconsin from 1983 to 86. Aqueous suspensions of bacteria were applied to seeds at the time of planting at levels of 7 × 10(7)-10(10) bacteria per 2.5-cm row. The predominant indigenous serogroup ...

journal_title：Canadian journal of microbiology

authors： McLoughlin TJ,Alt SG,Merlo PA

更新日期：1990-11-01 00:00:00

abstract：:To establish the relevance of the cell wall in metal ion transport, cobalt uptake was examined in Neurospora crassa. Cobalt taken up was largely surface bound (>90%), resulting in a release of calcium and magnesium. Surface-bound cobalt could not enter intracellular locations upon further incubation of mycelia in a me...

journal_title：Canadian journal of microbiology

authors： Latha JN,Rashmi K,Mohan PM

更新日期：2005-12-01 00:00:00

abstract：:Bottles of medium were inoculated with both strains of Chromatiacea and Chlorobiaceae (mixed cultures) and immersed at differnt depths in the marine coastal waters of the Marseilles basin (France). After development, the in vivo absorption characteristics of the cells show the effect of the daylight penetration on the...

journal_title：Canadian journal of microbiology

authors： Matheron R,Baulaigue R

更新日期：1977-03-01 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：:Subunits A and B of cholera enterotoxin were isolated by chromatography on a Bio-Gel P-60 column in the presence of 4% formic acid. The purity and biological activity of the isolated subunits was assessed by polyacrylamide disc gel electrophoresis and mouse adrenal cell assay, respectively. The specific uptake of isol...

journal_title：Canadian journal of microbiology

authors： Knoop FC

更新日期：1978-08-01 00:00:00

abstract：:Heat activation (70 degrees C for 20 min) resulted in alteration in structural proteins and enzymes found in Bacillus cereus spore coats. The three notable changes were increased glycosylation of coat proteins, alteration in polypeptide pattern on sodium dodecyl sulfate - polyacrylamide gels, and an increase in free S...

journal_title：Canadian journal of microbiology

authors： Srivastava OP,Fitz-James PC

更新日期：1981-04-01 00:00:00

abstract：:Porcine epidemic diarrhea virus (PEDV) causes severe infectious diseases in all ages of swine and leads to serious economic losses. Serologic tests are widely accepted and used to detect anti-PEDV antibodies that could indicate PEDV infection or vaccination. In this study, PEDV recombinant S1 protein (rS1) was express...

journal_title：Canadian journal of microbiology

authors： Shan Y,Liu Y,Liu Z,Li G,Chen C,Luo H,Chen Y,Guo N,Shi X,Zhang X,Fang W,Li X

更新日期：2019-05-01 00:00:00

abstract：:Ten aspergilli (five each from marine and terrestrial habitats) were screened for siderophore production. All test isolates produced siderophores as indicated by a positive reaction in the FeCl(3) test, chrome azurol sulphonate assay, and chrome azurol sulphonate agar plate test. Further, the test isolates were compar...

journal_title：Canadian journal of microbiology

authors： Vala AK,Dave BP,Dube HC

更新日期：2006-06-01 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