Control of pyrimidine formation in Pseudomonas putida ATCC 17536.

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：:Metarhizium anisopliae isolates have a wide insect host range, but an impediment to their commercial use as a biocontrol agent of above-ground insects is the high susceptibility of spores to the near-UV present in solar irradiation. To understand stress responses in M. anisopliae, we initiated studies of enzymes that ...

journal_title：Canadian journal of microbiology

authors： Miller CD,Rangel D,Braga GU,Flint S,Kwon SI,Messias CL,Roberts DW,Anderson AJ

更新日期：2004-01-01 00:00:00

abstract：:Cellulomonas fimi genomic DNA was digested with HpaI, MunI, HindIII, and NsiI, producing fragments ranging in size from 20 to 1400 kbp that were resolved by pulsed field gel electrophoresis. Genetic and physical linkages were determined by Southern blotting and were used to construct a genome map. Cellulomonas fimi ha...

journal_title：Canadian journal of microbiology

authors： Stoll D

更新日期：2001-12-01 00:00:00

abstract：:Bacillus stearothermophilus NCA 2184 lost viability and subsequently released cytoplasmic components when suspended in 0.1 M tris(hydroxymethyl)aminomethane (Tris) buffer (pH 7.2) and incubated at 60 degrees C. Cell lysis was prevented by the addition of 10 mM CaCl2 to the Tris-buffer suspension. Cells which were incu...

journal_title：Canadian journal of microbiology

authors： Mosley GA,Card GL,Koostra WL

更新日期：1976-04-01 00:00:00

abstract：:Experiments were carried out to elucidate linkage between methane consumption and mineralization of P from different phosphorous sources. The treatments were no CH4 no P amendment absolute control, with CH4 no P amendment control, with CH4 + inorganic P as Ca3(PO4)2 and with CH4 + organic P (sodium phytate). P sources...

journal_title：Canadian journal of microbiology

authors： Mohanty SR,Kumar A,Parmar R,Dubey G,Patra AK,Kollah B

更新日期：2020-12-10 00:00:00

abstract：:Nodulation of Pisum sativum cv. Afghanistan by Rhizobium leguminosarum strain Tom can be blocked by the nonnodulating R. leguminosarum strain PF2. This system was used to study the dynamics of rhizobial binding to seedling root surfaces. Appreciable numbers of 35S-labeled rhizobia bound to the root surface within 2h a...

journal_title：Canadian journal of microbiology

authors： Broughton WJ,van Egeraat AW,Lie TA

更新日期：1980-04-01 00:00:00

abstract：:Four hundred and forty-two serogroup C Neisseria meningitidis isolates from individual invasive meningococcal disease (IMD) patients in Canada during the period 1999 to 2003 were analyzed. The majority (84%) of the serogroup C meningococci were characterized by the serotype antigen 2a and belonged to the clonal comple...

journal_title：Canadian journal of microbiology

authors： Law DK,Stoltz J,Henderson AM,Tsang RS

更新日期：2005-07-01 00:00:00

abstract：:We examined isolates from 4 commercial bioinsecticides based on different strains of Bacillus thuringiensis subspecies (kurstaki, israelensis, aizawai, and tenebrionis) for the presence of genes encoding proteins with known enterotoxigenicity (nhe, hbl, cytk, ces) and various other putative virulence genes (piplc, sph...

journal_title：Canadian journal of microbiology

authors： Kyei-Poku G,Gauthier D,Pang A,van Frankenhuyzen K

更新日期：2007-12-01 00:00:00

abstract：:Halobacterium halobium contains two gas vacuole protein genes that are located in plasmid pHH1 (p-vac) and in the chromosomal DNA (c-vac). The mutation frequency for these genes is different: the constitutively expressed p-vac gene is mutated with a frequency of 10(-2), while the chromosomal gene expressed in the stat...

journal_title：Canadian journal of microbiology

authors： Pfeifer F,Blaseio U,Horne M

更新日期：1989-01-01 00:00:00

abstract：:Phytopathogenic spiroplasmas can multiply in vascular plants and insects. A deeper understanding of this dual-host life could be furthered through the identification by random mutagenesis of spiroplasma genes required. The ability of the EZ::TN™ Tnp transposome™ system to create random insertional mutations i...

journal_title：Canadian journal of microbiology

authors： Mutaqin K,Comer JL,Wayadande AC,Melcher U,Fletcher J

更新日期：2011-06-01 00:00:00

abstract：:The structures of lipopolysaccharides (LPSs) of lic1 and lic1/lic2 mutants from Haemophilus influenzae type b strain Eagan (RM153) were investigated using methylation analysis, electrospray ionization - mass spectrometry, and nuclear magnetic resonance spectroscopy on O-deacylated, O- and N-deacylated core oligosaccha...

journal_title：Canadian journal of microbiology

authors： Masoud H,Moxon ER,Richards JC

更新日期：2008-04-01 00:00:00

abstract：:Environmental scanning electron microscopic observations of Postia placenta grown on a defined medium and on red spruce wood allowed for the examination of the hydrated sheath of P. placenta. In the wood environment, mature hyphae that were not adhering to the substrate were observed to have a mycofibrillar morphology...

journal_title：Canadian journal of microbiology

authors： Connolly JH,Chen Y,Jellison J

更新日期：1995-04-01 00:00:00

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：: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：:Andosols comprise one of the most important soil groups for agricultural activities in Japan because they cover about 46.5% of arable upland fields. In this soil group, available phosphorus (P) is accumulated by application of excessive fertilizer, but little is known about the influence of increasing P availability o...

journal_title：Canadian journal of microbiology

authors： Bao Z,Matsushita Y,Morimoto S,Hoshino YT,Suzuki C,Nagaoka K,Takenaka M,Murakami H,Kuroyanagi Y,Urashima Y,Sekiguchi H,Kushida A,Toyota K,Saito M,Tsushima S

更新日期：2013-06-01 00:00:00

abstract：:beta-d-Fructofuranosidase (FFase), an important enzyme of the confectionery and fructose syrup industry, is produced by several microorganisms. However, yeasts are the most used source because of their high sucrose fermentation capacity. In this work, production of FFase was carried out in submerged fermentation using...

journal_title：Canadian journal of microbiology

authors： Venkateshwar M,Chaitanya K,Altaf MD,Hameeda B,Ghopal Reddy M

更新日期：2009-04-01 00:00:00

abstract：:Using both fluorescent labelled toxin and antibody--secondary antibody techniques, the Bacillus sphaericus toxin was found to bind strongly to susceptible Culex quinquefasciatus cells, but far less strongly to cells of insensitive insects. An insensitive clone of the C. quinquefasciatus cell line was discovered which ...

journal_title：Canadian journal of microbiology

authors： Davidson EW,Shellabarger C,Meyer M,Bieber AL

更新日期：1987-11-01 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：:The study of the relationship between MVL 51 virus, of the Gourlay group L 1, and the Mycoplasma cells of A. laidlawii during the first 35 min of infection leads to the conclusion that a "carrier state" has been established, free virus as well as infected and noninfected cells being present at the same time in the cul...

journal_title：Canadian journal of microbiology

authors： Roger A

更新日期：1977-03-01 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：:A large pool of antibiotic resistant and auxotrophic mutants was isolated from the Staphylococcus aureus phage group 2 strains UT0002-19 and UT0017 by (1) antibiotic gradient plates, (2) trimethoprim selection, and (3) nitrosoguanidine mutagenesis, which sometimes was coupled by enrichment with either penicillin or me...

journal_title：Canadian journal of microbiology

authors： Martin SM,Rogolsky M

更新日期：1980-08-01 00:00:00

abstract：:The antiserum agar method (ASA), which is based on the formation of immunoprecipitates around bacterial growth on agar containing meningococcal hyperimmune horse serum, was evaluated for serogroup identification of Neisseria meningitidis. Four hundred meningococcal stains were serogrouped by ASA employing horse antise...

journal_title：Canadian journal of microbiology

authors： Ashton FE,Ryan A,Diena BB,Frasch CE

更新日期：1979-06-01 00:00:00

abstract：:We partially purified and characterized the cytochrome aa3 from the facultatively aerobic and hyperthermophilic archaeon Pyrobaculum oguniense. This cytochrome aa3 showed oxygen consumption activity with N, N, N', N'-tetramethyl-1,4-phenylenediamine and ascorbate as substrates, and also displayed bovine cytochrome c o...

journal_title：Canadian journal of microbiology

authors： Nunoura T,Sako Y,Wakagi T,Uchida A

更新日期：2005-08-01 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：:Addition of Tween 80 to a 1.5% solution of beef extract was found to enhance the elution of bacteriophages adsorbed to electronegative filters. When reconcentration of the eluate was attempted by ammonium sulfate precipitation, a floating layer containing most of the viruses was formed. This floating layer can be obta...

journal_title：Canadian journal of microbiology

authors： Armon R,Arella M,Payment P

更新日期：1988-05-01 00:00:00

abstract：:Numerous ultrastructural and biochemical analyses have been performed to characterize the cell wall composition and structure of Candida albicans. However, little investigation has focused on how subtle differences in cell wall structure influence the intracellular transport of amino acids and monosaccharides. In this...

journal_title：Canadian journal of microbiology

authors： Braun PC

更新日期：1999-05-01 00:00:00

abstract：:Long-term survival, dispersal, and germination of Bacillus thuringiensis var. kurstaki DMU67R has been investigated in a field trial. An experimental cabbage plot was sprayed with DMU67R in 1993 and allowed to lie fallow since. The investigations reported here were carried out from 1997 to 2000 in this plot. High pers...

journal_title：Canadian journal of microbiology

authors： Hendriksen NB,Hansen BM

更新日期：2002-03-01 00:00:00

abstract：:Streptococcus pneumoniae infection starts from the respiratory tract where interaction with host epithelial cells occurs. To gain more insights on pneumococcal pathogenesis, an oligonucleotide (oligo)-based microarray was used to investigate gene expression changes of one serotype 3 encapsulated pathogenic S. pneumoni...

journal_title：Canadian journal of microbiology

authors： Song XM,Connor W,Jalal S,Hokamp K,Potter AA

更新日期：2008-03-01 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 gene-encoding HMT2-like sulfide dehydrogenase from Bacillus stearothermophilus JCM2501 was amplified and expressed in Escherichia coli and the enzymatic features were examined. The enzyme was detected mainly in the membrane fraction. It catalyzed the sulfide-dependent menaquinone (MK) reduction showing special enz...

journal_title：Canadian journal of microbiology

authors： Shibata H,Suzuki K,Kobayashi S

更新日期：2007-09-01 00:00:00