Bacteriophage lambda repressor allelic modulation of the Rex exclusion phenotype.

abstract：:In Japan, antimicrobial agent therapy for patients with diarrhea due to enterovirulent organisms including enterohemorrhagic Escherichia coli (EHEC) is common, and norfloxacin (NFLX), fosfomycin, and kanamycin are recommended for EHEC treatment by the Japanese Ministry of Health and Welfare. The aim of this study was ...

journal_title：Canadian journal of microbiology

authors： Yoh M,Frimpong EK,Voravuthikunchai SP,Honda T

更新日期：1999-09-01 00:00:00

abstract：:It is important to understand the dynamics of tetracycline-resistant bacteria (TRB) and tetracycline resistance genes (TRGs) in bulk and rhizosphere soils for evaluating the spread of TRGs from pig manure to human. In this work, a greenhouse experiment was conducted to investigate the difference in abundance of TRB, t...

journal_title：Canadian journal of microbiology

authors： Kang Y,Hao Y,Xia D,Shen M,Li Q,Hu J

更新日期：2017-07-01 00:00:00

abstract：:Responses of Rhizoctonia solani to herbicides in soil cultures were assessed by measuring soil enzyme activity and other growth-related factors. Both beta-galactosidase (EC 3.2.1.23) and phosphatase (EC 3.1.3.1.3.1.3.2) activities were highly correlated with amounts of mycelium in soil. Both enzyme activities were red...

journal_title：Canadian journal of microbiology

authors： Beam HW,Curl EA,Rodriguez-Kabana R

更新日期：1977-05-01 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：:The metal-binding properties of Pseudomonas aeruginosa PAO1 biofilms were investigated using four metals (Cu, Fe, Au, and La). All but one of the metals (i.e., Cu) were bound by the biofilms in amounts that were significantly greater than those bound by planktonically grown cells of the same strain. Lanthanum precipit...

journal_title：Canadian journal of microbiology

authors： Langley S,Beveridge TJ

更新日期：1999-07-01 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：:Fungal cultures were grown by a new microslide method and by the traditional slide-culture method. Sporulation results were similar by both methods. The microslide method has the advantages of increased safety to the user and ease of storage. ...

journal_title：Canadian journal of microbiology

authors： Hofherr L

更新日期：1978-10-01 00:00:00

abstract：:alpha-Methyl lysine was investigated as a potential inhibitor of lysine transport in Escherichia coli and Bacillus sphaericus. At equimolar concentrations, no inhibition was observed in either organism, but at 10X and 100X the lysine concentration, alpha-methyl lysine caused a 20-50% reduction in the initial rate of l...

journal_title：Canadian journal of microbiology

authors： Regenstreif CA,Kelland JG,Pansare SV,Vederas JC,Pickard MA

更新日期：1986-06-01 00:00:00

abstract：:Southern bean mosaic virus (SBMV) protein was cleaved with cyanogen bromide and a highly basic peptide, CB-1, was isolated by ion exclusion and ion-exchange chromatography. Twelve peptides were separated from a tryptic digest of CB-1 by ion-exchange chromatography and the composition of these peptides was similar to t...

journal_title：Canadian journal of microbiology

authors： Tremaine JH,Ronald WP,Kelly EM

更新日期：1980-12-01 00:00:00

abstract：:Hydrogen cyanide production by Pseudomonas aeruginosa growing in a synthetic medium required aerobosis but operated efficiently at low dissolved oxygen concentration. Half maximum levels of cyanogenesis occurred at 0.015 microM oxygen; maximum cyanogenesis occurred over a wide range, 0.1-180 microM, of oxygen concentr...

journal_title：Canadian journal of microbiology

authors： Castric PA

更新日期：1983-10-01 00:00:00

abstract：:The rapid onset of resistance reduces the efficacy of most conventional antimicrobial drugs and is a general cause of concern for human well-being. Thus, there is great demand for a continuous supply of novel antibiotics to combat this problem. Bacteria-derived antimicrobial peptides (AMPs) have long been used as food...

journal_title：Canadian journal of microbiology

authors： Sumi CD,Yang BW,Yeo IC,Hahm YT

更新日期：2015-02-01 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：: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：:Fusaproliferin (FP), a toxic metabolite of the world-wide maize pathogens Fusarium proliferatum and Fusarium subglutinans, was recently found to be a natural contaminant of maize. Its toxic activity on haematopoietic human cell lines and its teratogenic effects on chicken embryos has been recently proved. Therefore a ...

journal_title：Canadian journal of microbiology

authors： Monti SM,Fogliano V,Randazzo G,Peluso G,Logrieco A,Ritieni A

更新日期：1999-01-01 00:00:00

abstract：:Highly distinctive aspects of the exponentail-phase Rhizobium japonicum cell were disclosed by means of thin sections, freeze etching, fluorescent antibodies, and ruthenium red staining. Polarity was expressed in the form of reserve polymer distribution near one end of the cell and as cytoplasmic localization near the...

journal_title：Canadian journal of microbiology

authors： Tsien HC,Schmidt EL

更新日期：1977-09-01 00:00:00

abstract：:We examined factors related to the potent antagonistic effect of Escherichia coli and Bacteroides ovatus on Staphylococcus aureus in anaerobic continuous flow cultures. In the presence of sugars fermentable by E. coli alone or both E. coli and S. aureus, motile E. coli strains exerted a potent antagonistic effect and ...

journal_title：Canadian journal of microbiology

authors： Ushijima T,Ozaki Y

更新日期：1988-05-01 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：:Thirty Haemophilus strains and six Actinobacillus strains, all of porcine origin, were examined for their biochemical reactivity on API 20E and API ZYM test strips using dense cell suspensions (supplemented with NAD as appropriate) as strip inocula. When combined with a test for V-factor dependency, the use of both st...

journal_title：Canadian journal of microbiology

authors： O'Reilly T,Rosendal S,Niven DF

更新日期：1984-10-01 00:00:00

abstract：:Fluorescent antibody was prepared against a temperate-soil isolate of Beijerinckia obtained from a rhizosphere of rice growing in Camargue (France). The antibody did not cross-react with any of 6 species of Azotobacter, 4 species of Beijerinckia, or 44 unidentified soil bacteria isolated from a spectrum of rhizosphere...

journal_title：Canadian journal of microbiology

authors： Diem HG,Godbillon G,Schmidt EL

更新日期：1977-02-01 00:00:00

abstract：:Nitrogenase in Azotobacter chroococcum whole cells was inhibited by enzymically generated superoxide anion (O2-), hydrogen peroxide, and ethyl hydrogen peroxide. The degree of inhibition produced by O2- was related to the quantity of oxygen supplied to the organisms in continuous cultures. O2- also inhibited oxygen up...

journal_title：Canadian journal of microbiology

authors： Buchanan AG

更新日期：1977-11-01 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：:The purpose of this study was to examine antimicrobial activity of endophytic fungi isolated from the leaves, stems, and roots of 54 species of Orchidaceae collected in a Brazilian tropical ecosystem. In total, 382 filamentous fungi and 13 yeast isolates were obtained and cultured to examine the production of crude ex...

journal_title：Canadian journal of microbiology

authors： Vaz AB,Mota RC,Bomfim MR,Vieira ML,Zani CL,Rosa CA,Rosa LH

更新日期：2009-12-01 00:00:00

abstract：:The effect of mechanical wounding or foliar diseases caused by Sclerotinia homoeocarpa or Rhizoctonia solani on the epiphytic yeast communities on creeping bentgrass and tall fescue were determined by leaf washing and dilution plating. Total yeast communities on healthy bentgrass and tall fescue leaves ranged from 7.9...

journal_title：Canadian journal of microbiology

authors： Allen TW,Quayyum HA,Burpee LL,Buck JW

更新日期：2004-10-01 00:00:00

abstract：:The effect of carbon starvation on the stress-resistant responses of a p-nitrophenol-mineralizing Moraxella strain was examined in both buffer and river water samples. The Moraxella strain showed optimal stress-resistant responses in a minimal salt buffer when carbon-starved for 1-2 d. In the buffer system, the 1- and...

journal_title：Canadian journal of microbiology

authors： Moore M,Trevors J,Lee H,Leung KT

更新日期：2005-03-01 00:00:00

abstract：:A commercially available single-bottle blood culture system was evaluated at Ben Taub General Hospital, a Harris County District Hospital. Blood cultures from 1010 patients were examined with the Lederle Diagnostics one-bottle blood culture medium-SPS, Columbia broth (E-Vac, Pfizer), and an in-house-prepared brain hea...

journal_title：Canadian journal of microbiology

authors： Qadri SM,Wende RD

更新日期：1977-08-01 00:00:00

abstract：:In Neurospora crassa, heat shock results in the induction of 9 to 11 heat shock proteins (HSP), of which HSP80 is the most abundant and the first to be synthesized. The induction of HSP80 was investigated during normal growth (2% sucrose) and under sucrose starvation. Transfer of mycelium to a medium supplemented with...

journal_title：Canadian journal of microbiology

authors： Roychowdhury HS,Kapoor M

更新日期：1988-02-01 00:00:00

abstract：:Mice immunized subcutaneously with 10(6) viable yeast cells of Histoplasma capsulatum exhibited host protection to a challenge infection and also exhibited concomitant manifestations of cellular immunity to a culture filtrate antigen (yeast extract dialysate (YED)-histoplasmin). Protective immunity was determined by q...

journal_title：Canadian journal of microbiology

authors： Burt WR,Smith RA

更新日期：1983-01-01 00:00:00

abstract：:Candida albicans is a dimorphic yeast capable of producing alternate morphological forms (yeast or mycelium) in response to environmental changes. The intracellular level of glutathione, which helps to maintain the redox potential of the cell, is decreased significantly during the thermal induction of yeast-to-myceliu...

journal_title：Canadian journal of microbiology

authors： Manavathu M,Gunasekaran S,Porte Q,Manavathu E,Gunasekaran M

更新日期：1996-01-01 00:00:00

abstract：:Administered orally, Quillaja saponin markedly potentiated the humoral immune responses of mice fed inactivated rabies vaccine, and significantly increased their resistance to subsequent intracerebral challenge with live rabies virus. Although mean serum neutralizing antibody titres were generally 8- to 16-fold higher...

journal_title：Canadian journal of microbiology

authors： Maharaj I,Froh KJ,Campbell JB

更新日期：1986-05-01 00:00:00

abstract：:Mycoplasma pneumoniae is an important causative agent of atypical pneumonia. This study was to determine the ability of a DNA expression vector, which encodes the carboxy terminal region of the M. pneumoniae P1 protein (P1C), to induce humoral and cellular immune responses and to protect against M. pneumoniae infecti...

journal_title：Canadian journal of microbiology

authors： Zhu C,Wu Y,Chen S,Yu M,Zeng Y,You X,Xiao J,Wang S

更新日期：2012-05-01 00:00:00