Effect of phenolic compounds, ethyl alcohol, and sodium metabisulphite on the lytic activity of phage PL-1 on a Lactobacillus casei S strain.

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：:Alkaline phosphatase (APase) was present in the bovine rumen in both cell-free and cell-associated states and levels of the enzyme varied with dietary regime. Reaction product deposition showed that the enzyme was associated with the mixed bacterial population. No enzyme was observed to be associated with protozoa. Tr...

journal_title：Canadian journal of microbiology

authors： Cheng KJ,Hironaka R,Costerton JW

更新日期：1976-05-01 00:00:00

abstract：:Antibiotic susceptibilities of 382 strains of Campylobacter jejuni isolated in Alberta, Canada, in 1980 and 1981 were determined. Although none were resistant to erythromycin or gentamicin, 5.4 and 22% of strains were resistant to ampicillin in 1980 and 1981, respectively. Tetracycline resistance was noted in 6.8% of ...

journal_title：Canadian journal of microbiology

authors： Taylor DE,Chang N,Garner RS,Sherburne R,Mueller L

更新日期：1986-01-01 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

abstract：:Aspergillus caespitosus NRRL 5769 growing in broth containing small amounts of sitosterol produced substance(s) with greater inhibitory activity against Candida albicans ATCC 10231 than in broth without sitosterol. Subsequent isolation, purification, and structural elucidation yielded 5,6-dihydro-5(S)-acetoxy-6(S)-1,2...

journal_title：Canadian journal of microbiology

authors： Mizuba S,Lee K,Jiu J

更新日期：1975-11-01 00:00:00

abstract：:Campylobacter spp. are a substantial cause of gastroenteritis worldwide. Human infection can result from ingestion of contaminated food or water from a variety of sources, including the consumption of fresh produce that is contaminated with the pathogen via the use of contaminated irrigation water. Using molecular met...

journal_title：Canadian journal of microbiology

authors： Tambalo DD,Boa T,Aryal B,Yost CK

更新日期：2016-05-01 00:00:00

abstract：:Attempts at improving chemical fixation for electron-microscopic observation of the capsule of Klebsiella pneumoniae were made. The capsule was preserved by using alcian blue - lanthanum and tris-(1-aziridinyl) phosphine oxide (TAPO) - aldehyde - osmium procedures. Despite the different retention of the overall capsul...

journal_title：Canadian journal of microbiology

authors： Cassone A,Garaci E

更新日期：1977-06-01 00:00:00

abstract：:We have previously reported that the lethal toxicity of 5-fluorouracil (5-FU) in specific-pathogen-free mice is due to an indigenous infection with Escherichia coli (K. Nomoto, T. Yokokura, Y. Yoshikai, et al. Can. J. Microbiol. 37:244-247, 1991). In the present study, we demonstrate that nonspecific immunostimulation...

journal_title：Canadian journal of microbiology

authors： Nomoto K,Yokokura T,Nomoto K

更新日期：1992-08-01 00:00:00

abstract：:A previously unmapped pan gene was localized in an Escherichia coli K-12 strain using Hfr and F' matings and by transduction studies. This Pan- mutation was shown by supplementation studies to impart a block in pantoate biosynthesis. The pan gene cotransduced with rha, metB, and argE placing it at 87 min. ...

journal_title：Canadian journal of microbiology

authors： Manch JN

更新日期：1981-11-01 00:00:00

abstract：:Staphylococcus aureus was grown in a rich peptone medium which became alkaline with continued incubation. Cells were grown at 37 degrees C and in the same medium containing 1 M NaCl at 46 degrees C, a temperature at which this organism can grow only when protected by NaCl. Cells of these cultures are hereafter called ...

journal_title：Canadian journal of microbiology

authors： El-Banna AA,Hurst A

更新日期：1983-03-01 00:00:00

abstract：:Amoebae serve as environmental hosts to a variety of mycobacteria, including Mycobacterium avium and Mycobacterium marinum. Mycobacterium shottsii and Mycobacterium pseudoshottsii are waterborne species isolated from the spleens and dermal lesions of striped bass (Morone saxatilis) from the Chesapeake Bay. The optimal...

journal_title：Canadian journal of microbiology

authors： Gupta T,Fine-Coulson K,Karls R,Gauthier D,Quinn F

更新日期：2013-08-01 00:00:00

abstract：:Numbers of viable bacteria as indicated by colony-forming units (CFU), microbial adenosine triphosphate levels, dissolved organic carbon (DOC), particulate organic carbon and nitrogen (POC and PON), glucose concentration, heterotrophic potential (Vmax), and in situ heterotrophic activity (Vn) of near-surface microlaye...

journal_title：Canadian journal of microbiology

authors： Dietz AS,Albright LJ,Tuominen T

更新日期：1976-12-01 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：:Our freshwater caulobacter collection contains about 40 strains that are morphologically similar to Caulobacter crescentus. All elaborate a crystalline protein surface (S) layer made up of protein monomers 100-193 kDa in size. We conducted a comparative study of S-layer secretion in 6 strains representing 3 size group...

journal_title：Canadian journal of microbiology

authors： Iuga M,Awram P,Nomellini JF,Smit J

更新日期：2004-09-01 00:00:00

abstract：:HPr is a protein of the phosphoenolpyruvate:sugar phosphotransferase transport system (PTS). In gram-positive bacteria, HPr can be phosphorylated on Ser-46 by the kinase/phosphorylase HprK/P and on His-15 by phospho-enzyme I (EI~P) of the PTS. In vitro studies with purified HPrs from Bacillus subtilis, Enterococcus fa...

journal_title：Canadian journal of microbiology

authors： Roy DJ,Casabon I,Vaillancourt K,Huot JL,Vadeboncoeur C

更新日期：2008-11-01 00:00:00

abstract：:Nonmotile and motility-altered mutants of Myxococcus xanthus have been obtained by the use of chemical mutagens, ultraviolet irradiation, and a procedure for selective spontaneous mutants. As judged by their behaviour on a variety of growth media, in both plate and slide culture, the mutants were divided into four gro...

journal_title：Canadian journal of microbiology

authors： MacRae TH,McCurdy HD

更新日期：1976-09-01 00:00:00

abstract：:The effects of selected culture conditions on production of Shiga-like toxin-II variant by an edema disease strain of Escherichia coli (412) and E. coli TB1 (pCG6) containing the cloned genes for Shiga-like toxin-II variant were examined. Incubation time, culture media, incubation temperature, starting pH of the cultu...

journal_title：Canadian journal of microbiology

authors： MacLeod DL,Gyles CL

更新日期：1989-06-01 00:00:00

abstract：:In this study, the biofilm-forming potential of intestinal Lactobacillus reuteri strains under different culture conditions was characterized by microtiter plate biofilm assays. Moreover, the spatial organization of exogenously applied L. reuteri L2/6 (a pig isolate) at specific locations in gastrointestinal tract of ...

journal_title：Canadian journal of microbiology

authors： Slížová M,Nemcová R,Mad'ar M,Hadryová J,Gancarčíková S,Popper M,Pistl J

更新日期：2015-06-01 00:00:00

abstract：:Virulent strains of the fish pathogen Aeromonas salmonicida, which have surface S-layers (S+), efficiently adhere to, enter, and survive within macrophages. Here we report that S+ bacteria were 10- to 20-fold more adherent to non-phagocytic fish cell lines than S-layer-negative (S-) mutants. When reconstituted with ex...

journal_title：Canadian journal of microbiology

authors： Garduño RA,Moore AR,Olivier G,Lizama AL,Garduño E,Kay WW

更新日期：2000-07-01 00:00:00

abstract：:Our purpose was to study bacterial antagonism between a limited number of strictly anaerobic strains and Clostridium perfringens in the intestinal tract of gnotobiotic rodents. Gnotobiotic mice harboring a Bacteroides thetaiotaomicron, a Fusobacterium necrogenes, and a Clostridium sp. strain were protected against pat...

journal_title：Canadian journal of microbiology

authors： Yurdusev N,Nicolas JL,Ladire M,Ducluzeau R,Raibaud P

更新日期：1987-03-01 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：: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：:The addition of various concentrations of monensin (1,5, and 10 micrograms/mL) to the culture medium inhibits the fungal growth and perturbs exopolysaccharides secretion, provoking a decrease of production in Botrytis cinerea and an increase in Sclerotium rolfsii. The ionophore induces also modifications in both polym...

journal_title：Canadian journal of microbiology

authors： Koulali Y,Talouizte A,Fonvieille JL,Dargent R

更新日期：1996-09-01 00:00:00

abstract：:To assess the effect of fire and salvage logging on the diversity of mycorrhizal-bacterial communities, bacteria associated with Cenococcum, Thelephora, Tomentella, Russulaceae, and E-strain ectomycorrhizae (ECM) of Abies lasiocarpa seedlings were characterized using two approaches. First, bacteria were isolated and c...

journal_title：Canadian journal of microbiology

authors： Khetmalas MB,Egger KN,Massicotte HB,Tackaberry LE,Clapperton MJ

更新日期：2002-07-01 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：:Recent food-borne outbreaks of human listeriosis as well as numerous sporadic cases have been mainly caused by Listeria monocytogenes serovar 4b strains. Thus, it was of interest to find out whether a certain clone or a certain few clones were responsible for these cases and especially for outbreaks. We used pulsed-fi...

journal_title：Canadian journal of microbiology

authors： Buchrieser C,Brosch R,Catimel B,Rocourt J

更新日期：1993-04-01 00:00:00

abstract：:Bovine tuberculosis is still rife in Latin America, producing huge economic losses. There are very few studies of the way this disease is spread through this geographical region, particularly in countries that border those that are almost free of Mycobacterium bovis. In this work, we have analyzed the spacer oligonucl...

journal_title：Canadian journal of microbiology

authors： Cobos-Marín L,Montes-Vargas J,Zumarraga M,Cataldi A,Romano MI,Estrada-Garcia I,Gonzalez-y-Merchand JA

更新日期：2005-11-01 00:00:00

abstract：:Fecal coliforms (FC) counts were compared with Escherichia coli counts in differently contaminated freshwater samples (n = 166). FC were enumerated by plate count on triphenyl 2,3,5-tetrazolium chloride Tergitol medium. Escherichia coli were enumerated by the most probable number microplate method based on the detecti...

journal_title：Canadian journal of microbiology

authors： Garcia-Armisen T,Prats J,Servais P

更新日期：2007-06-01 00:00:00

abstract：:Natural populations of bacteria assoiciated with the slime on submerged surfaces in a mountain stream were examined by phase-contrast and electron microscopy. The slime contained large numbers of bacteria which were predominantly gram-negative as determined by their cell wall structure. Examination of the in situ dist...

journal_title：Canadian journal of microbiology

authors： Geesey GG,Richardson WT,Yeomans HG,Irvin RT,Costerton JW

更新日期：1977-12-01 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