Lipopolysaccharide changes and cytoplasmic polyphosphate granule accumulation in Pseudomonas aeruginosa during growth on hexadecane.

abstract：:Nitrogen-fixing, field-obtained root nodules of the silky green alder were studied by transmission electron microscopy. The nodule endophyte exhibited a prokaryotic cytology and was present in two forms: the hypha(0.3-1.0mum), which was branched and septate, and the vesicle (3-5mum), which was also septate and develo...

journal_title：Canadian journal of microbiology

authors： Lalonde M,Knowles R

更新日期：1975-07-01 00:00:00

abstract：:Degradation of purified rubella virus by heat treatment (37, 45, or 56 degrees C) revealed the following structures. The viral envelope, a modified cellular membrane, bears spherical subunits, 5-6 nm in diameter, hexamers, or pentamers. Two glycoproteins, VP-2 (50 000 daltons) and VP-3 (63 000 daltons), are associated...

journal_title：Canadian journal of microbiology

authors： Payment P,Ajdukovic D,Pavilanis V

更新日期：1975-05-01 00:00:00

abstract：:In both relA+ and relA- derivatives, the biosynthesis of peptidoglycan, lipid intermediates, and nucleotide precursors abruptly halted at the onset of diauxic lag from glucose to lactose with a concomitant accumulation of guanosine 5'-diphosphate 3'-diphosphate (ppGpp). These results are consistent with the proposal t...

journal_title：Canadian journal of microbiology

authors： Ishiguro EE

更新日期：1979-10-01 00:00:00

abstract：:Bacterial biofilms are commonly formed on medical devices and food processing surfaces. The antimicrobials used have limited efficacy against the biofilms; therefore, new strategies to prevent and remove these structures are needed. Here, the effectiveness of brief oxidative treatments, based on the combination of sod...

journal_title：Canadian journal of microbiology

authors： Olmedo GM,Grillo-Puertas M,Cerioni L,Rapisarda VA,Volentini SI

更新日期：2015-05-01 00:00:00

abstract：:Giardia duodenalis is a common intestinal parasite in most parts of the world. In Canada it is associated with both endemic and epidemic infections that are often transmitted by the waterborne route. Although G. duodenalis strains have been isolated from several animals, the role of other mammals in human infection is...

journal_title：Canadian journal of microbiology

authors： Wenman WM,Meuser RU,Wallis PM

更新日期：1986-12-01 00:00:00

abstract：:Citrate synthase (citrate-oxaloacetate lyase (CoA acetylating), EC 4.1.3.7) has been purified to electrophoretic homogeneity from a marine Pseudomonas. The enzyme was made up of identical subunits, with a molecular wieght of about 53 000, as determined by sodium dodecyl sulphate - polyacrylamide gel electrophoresis. T...

journal_title：Canadian journal of microbiology

authors： Higa AI,Massarini E,Cazzulo JJ

更新日期：1978-03-01 00:00:00

abstract：:The use of hsp60 gene sequences for phylogenetic study and identification of pathogenic marine vibrios was investigated. A 600-bp partial hsp60 gene was amplified by PCR and sequenced from 29 strains representing 15 Vibrio species within the family Vibrionaceae. Sequence comparison of the amplified partial hsp60 gene ...

journal_title：Canadian journal of microbiology

authors： Kwok AY,Wilson JT,Coulthart M,Ng LK,Mutharia L,Chow AW

更新日期：2002-10-01 00:00:00

abstract：:The suitability of two types of membrane filters for scanning and transmission electron-microscopical examination of chlamydospores formed from macroconidia of Fusarium solani from soil was tested. An improved method to incubate propagules in soil and to collect them free from soil particles for electron-microscopical...

journal_title：Canadian journal of microbiology

authors： Van Eck WH

更新日期：1976-11-01 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：: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：: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：:The catabolism of glucose by Streptomyces C5, a producer of anthracycline antibiotics, was investigated to determine the pathways that supply precursors for anthracycline biosynthesis. Carbons for the biosynthesis of epsilon-rhodomycinone, an anthracycline aglycone, from radiolabelled glucose were derived primarily fr...

journal_title：Canadian journal of microbiology

authors： Dekleva ML,Strohl WR

更新日期：1988-11-01 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 search for new antimicrobial compounds involves finding novel sources of chemotherapeutic compounds or manipulating and combining structures from existing molecules. Small antimicrobial peptides (AMPs) are components of innate immune defenses characterized in greatest detail in insect-derived AMPs. We have generat...

journal_title：Canadian journal of microbiology

authors： Plunkett RM,Murray SI,Lowenberger CA

更新日期：2009-05-01 00:00:00

abstract：:Fifty-four strains of Neisseria gonorrhoeae were examined for their ability to be agglutinated by various lectins. Wheat germ agglutinin, ricin, soybean lectin, and peanut agglutinin agglutinated all strains tested. Dolichos biflorus, Sophora japonica, Maclura pomifera, Ulex Europaeus, Lens culinaris, Canavalia ensifo...

journal_title：Canadian journal of microbiology

authors： Allen PZ,Connelly MC,Apicella MA

更新日期：1980-04-01 00:00:00

abstract：:Mutants of Salmonella typhimurium with defects in the heptose region of the lipopolysaccharide (LPS) molecule (heptose-deficient, chemotype Re) leak periplasmic enzymes (acid phosphatase (EC 3.1.3.2), cyclic phosphodiesterase, ribonuclease I (EC 3.1.4.22), and phosphoglucose isomerase (EC 5.3.1.9) (PGI is at least par...

journal_title：Canadian journal of microbiology

authors： Chatterjee AK,Ross H,Sanderson KE

更新日期：1976-10-01 00:00:00

abstract：:The aim of this study was to determine possible differences in the faecal microbiota of dairy cows infected with Mycobacterium avium subsp. paratuberculosis (Johne's disease) in comparison with noninfected cows from the same herds. Faecal samples from cows in 4 herds were tested for M. avium subsp. paratuberculosis by...

journal_title：Canadian journal of microbiology

authors： Kaevska M,Videnska P,Sedlar K,Bartejsova I,Kralova A,Slana I

更新日期：2016-06-01 00:00:00

abstract：:The present investigation was aimed to scrutinize the salt tolerance potential of plant-growth-promoting rhizobacteria (PGPR) isolated from rhizospheric soil of selected halophytes (Atriplex leucoclada, Haloxylon salicornicum, Lespedeza bicolor, Suaeda fruticosa, and Salicornica virginica) collected from high-saline f...

journal_title：Canadian journal of microbiology

authors： Ullah S,Bano A

更新日期：2015-04-01 00:00:00

abstract：:Strict anaerobic cultures of Mucor hiemalis lead to major modifications of the quantitative and qualitative composition of sterols. Sterols of which the lateral chain contains an ethyl or ethylidene group in C24 are for the first time brought to evidence in a Mucorales. Isolation in the same conditions of E-ethylidene...

journal_title：Canadian journal of microbiology

authors： Herber R,Villoutreix J,Granger P,Chapelle S

更新日期：1983-05-01 00:00:00

abstract：:Pathogenic and nonpathogenic isolates of Venturia inaequalis were grown in liquid culture. Hyphae were treated with two types of fimbrial antiserum (AU- and AV-1) and examined by immunofluorescent microscopy, in order to establish the distribution of fimbrial epitopes in whole cell mounts. The AV-1 antiserum was speci...

journal_title：Canadian journal of microbiology

authors： Svircev AM,Smith RJ,Zhou T,Day AW

更新日期：2000-09-01 00:00:00

abstract：:The microbial community plays an important role in soil nutrient cycles and energy transformations in alpine grassland. In this study, we investigated the composition of the soil microbial community collected from alpine cold swamp meadow (ASM), alpine cold meadow (AM), and alpine cold desert steppe (ADS) within the B...

journal_title：Canadian journal of microbiology

authors： Shao K,Gao G

更新日期：2018-03-01 00:00:00

abstract：:Three composts (Ball, dairy, and greenhouse) were tested for the ability to suppress the development of Fusarium root and stem rot (caused by Fusarium oxysporum f. sp. radicis-cucumerinum) on greenhouse cucumber. Dairy and greenhouse composts significantly reduced disease severity (P = 0.05), while Ball compost had no...

journal_title：Canadian journal of microbiology

authors： Bradley GG,Punja ZK

更新日期：2010-11-01 00:00:00

abstract：:Urease activity was measured using whole cells of both long (swarming) and short (nonswarming) populations of Proteus mirabilis from casein hydrolysate agar (CHA) and broth (CHB) cultures, and from brain heart infusion broth (BHIB) cultures. Urease is a constitutive enzyme for both long and short cells, but its activi...

journal_title：Canadian journal of microbiology

authors： Jin T,Murray RG

更新日期：1987-04-01 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：: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：: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：:Nonlinear survivor curves were obtained when spores of Bacillus cereus were heated in physiological saline solution. Curvilinear survivor curves did not appear to be caused by experimental artifacts but by the heterogeneity of spore population with regard to heat resistance. ...

journal_title：Canadian journal of microbiology

authors： Han YW

更新日期：1975-10-01 00:00:00

abstract：:Bacteriophages are associated with reduced fecal shedding of Shiga-toxin-producing Escherichia coli O157:H7 (STEC O157:H7) in cattle. Four phages exhibiting activity against 12 of 14 STEC O157:H7 strains, representing 11 common phage types, were isolated. Phages did not lyse non-O157 E. coli, with 11 of the 12 STEC st...

journal_title：Canadian journal of microbiology

authors： Niu YD,Stanford K,Ackermann HW,McAllister TA

更新日期：2012-07-01 00:00:00

abstract：:Early investigation into the mechanism of mitochondriogenesis in the facultative anaerobe Saccharomyces cerevisiae used anaerobic-aerobic transitions as model systems to study the in vivo assembly of these oxidative organelles. This methodology has become entrenched in the early literature and as a result a definitive...

journal_title：Canadian journal of microbiology

authors： Bruver RM,Ball JS,Tustanoff ER

更新日期：1975-06-01 00:00:00

abstract：:Helicobacter pylori exists in 2 distinct morphological states, helicoid and coccoid. Both have been observed in in vitro culture and in gastric biopsies. We visualized H. pylori during AGS cell infections using immunofluorescence microscopy. Anti-H. pylori mouse serum as well as human serum from H. pylori-positive pat...

journal_title：Canadian journal of microbiology

authors： Couturier MR,Stein M

更新日期：2008-07-01 00:00:00