Effects of mannan oligosaccharide and virginiamycin on the cecal microbial community and intestinal morphology of chickens raised under suboptimal conditions.

abstract：:To screen, isolate, and characterize bacterial populations producing microcin J25, we report here two rapid, reliable, and sensitive methods, using polymerase chain reaction and colony blot hybridization with a digoxigenin-labelled probe. A sample of 26 Escherichia coli strains isolated from poultry intestinal content...

journal_title：Canadian journal of microbiology

authors： Duarte M,Cottenceau G,Portrait V,Pons AM

更新日期：2001-09-01 00:00:00

abstract：:One of the important properties of probiotics is the ability to survive in the intestine. There have been few studies on the probiotic property of lactococci, since they are formally not considered to be natural inhabitants of the intestine. To evaluate lactococci as probiotic bacteria, we investigated their ability t...

journal_title：Canadian journal of microbiology

authors： Kimoto H,Nomura M,Kobayashi M,Mizumachi K,Okamoto T

更新日期：2003-11-01 00:00:00

abstract：:The study of diaminopimelic acid (DAP) incorporation and turnover during growth recovery in chloramphenicol-treated (CMP-treated) Bacillus megaterium cells showed that two kinds of turnover occurred. A low acid-soluble turnover appeared as soon as growth resumed in bacteria labeled before the CMP treatment and at the ...

journal_title：Canadian journal of microbiology

authors： Fréhel C,de Chastellier C,Ryter A

更新日期：1980-03-01 00:00:00

abstract：:A full-scale nuclear fuel waste disposal container experiment was carried out 240 m below ground in an underground granitic rock research laboratory in Canada. An electric heater was surrounded by buffer material composed of sand and bentonite clay and provided heat equivalent to what is anticipated in a Canadian nucl...

journal_title：Canadian journal of microbiology

authors： Stroes-Gascoyne S,Pedersen K,Haveman SA,Dekeyser K,Arlinger J,Daumas S,Ekendahl S,Hallbeck L,Hamon CJ,Jahromi N,Delaney TL

更新日期：1997-12-01 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：:Vaccination is the most promising strategy to reduce the incidence of pneumococcal infection. Although there are vaccines available, all of them are based on polysaccharide antigens (conjugated or not). In addition to their high cost, those vaccines do not cover all serotypes. To overcome these hindrances, we evaluate...

journal_title：Canadian journal of microbiology

authors： Araújo HF,Campos PC,Camargo DR,Pereira FN,Samuel ML,Oliveira MA,Fortes-Dias CL,Leclercq SY

更新日期：2012-09-01 00:00:00

abstract：:Cloning and transcriptional regulation of the KlFBA1 gene that codes for the class II fructose-1,6-bisphosphate aldolase of the yeast Kluyveromyces lactis are described. KlFBA1 mRNA diminishes transiently during the shift from hypoxic to fully aerobic conditions and increases in the reversal shift. This regulation is ...

journal_title：Canadian journal of microbiology

authors： Prado SM,Cerdán ME,González Siso MI

更新日期：2004-08-01 00:00:00

abstract：:Chitinases isolated from membrane and cytosolic fractions of two mucoraceous fungi, Choanephora cucurbitarum and Phascolomyces articulosus, were investigated. The membrane-bound chitinase was isolated by Bio-Gel P-100 and DEAE Bio-Gel A chromatographic techniques. On SDS-PAGE the chitinase from both fungi migrated as ...

journal_title：Canadian journal of microbiology

authors： Balasubramanian R,Manocha MS

更新日期：1992-04-01 00:00:00

abstract：:Passive protective activities of three different classes of monoclonal antibodies in mice against challenge with strain ATCC 31432 (capsular type I) of Staphylococcus epidermidis were examined. Monoclonal IgM antibody passively protected mice against challenge with the homologous strain, whereas monoclonal IgG1 and Ig...

journal_title：Canadian journal of microbiology

authors： Ichiman Y,Usui Y,Suganuma M,Yoshida K

更新日期：1991-05-01 00:00:00

abstract：:The synergistic interactions between Pseudomonas aeruginosa and virulent or attenuated murine cytomegalovirus (MCMV) were compared in vivo. Virulent MCMV challenge at a dose of 5 X 10(5) pfu/mouse intraperitoneally, followed by intranasal superinfection with 5 X 10(6) cfu/mouse of Pseudomonas aeruginosa after 48 h res...

journal_title：Canadian journal of microbiology

authors： Kournikakis B,Babiuk LA

更新日期：1987-10-01 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：:Pestalotiopsis species were most dominant endophytic species isolated from four medicinal plants including Terminalia arjuna, Terminalia chebula, Azadirachta indica, and Holarrhena antidysenterica. Thirty Pestalotiopsis species isolated from different parts of the medicinal plants were selected for the study. The anti...

journal_title：Canadian journal of microbiology

authors： Tejesvi MV,Kini KR,Prakash HS,Subbiah V,Shetty HS

更新日期：2008-09-01 00:00:00

abstract：:The effect of atmospheric composition and storage temperature on growth and survival of uninjured and sublethally heat-injured Escherichia coli O157:H7, inoculated onto brain heart infusion agar containing 0.3% beef extract (BEM), was determined. BEM plates were packaged in barrier bags in air, 100% CO2, 100% N2, 20% ...

journal_title：Canadian journal of microbiology

authors： Semanchek JJ,Golden DA,Williams RC

更新日期：1999-03-01 00:00:00

abstract：:Species of Enterobacter and Serratia were examined for deoxyribonucleic acid relatedness to Klebsielleae, to atypical erwiniae, and to other members of Enterobacteriaceae. Deoxyribonucleic acid hybridization and then hydroxyapatite chromatography was the technique used to assess relatedness. Strains of Enterobacter cl...

journal_title：Canadian journal of microbiology

authors： Steigerwalt AG,Fanning GR,Fife-Asbury MA,Brenner DJ

更新日期：1976-02-01 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 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：:The types of bacteria and fungi present in the air of a municipal solid waste recovery system have been characterized and the population densities estimated. Conventional methods were successful in enumerating coagulase-positive staphylococci, Klebsiella spp., gram-negative bacteria, fungi, and common indicator organi...

journal_title：Canadian journal of microbiology

authors： Lembke LL,Kniseley RN

更新日期：1985-03-01 00:00:00

abstract：:Soil bacteria that utilize inositol hexaphosphate (IHP) were isolated from a range of soils using defined selection media. An analysis of 200 randomly selected isolates indicated that less than 0.5% of the culturable population of soil bacteria were capable of using IHP as a sole source of C and P. From a further 238 ...

journal_title：Canadian journal of microbiology

authors： Richardson AE,Hadobas PA

更新日期：1997-06-01 00:00:00

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：:Klebsiella pneumoniae was found to effect the reductive dechlorination of methoxychlor (2,2-bis(p-methoxyphenyl)-1, 1, 1-trichloroethane) and its dihydroxy derivative (2, 2-bis (p-hydroxyphenyl)-1, 1, 1-trichloroethane) to dichloro derivatives 2, 2-bis (p-methoxyphenyl)-1, 1-dichloroethane and 2, 2-bis (p-hydroxypheny...

journal_title：Canadian journal of microbiology

authors： Baarschers WH,Bharath AI,Elvish J,Davies M

更新日期：1982-02-01 00:00:00

abstract：:The Bacillus subtilis glutamyl-tRNA synthetase (GluRS), encoded by the gltX gene, aminoacylates its homologous tRNA(Glu) and tRNA(Gln) with glutamate. This gene was cloned with its sigma A promoter and a downstream region including a rho-independent terminator in the shuttle vector pRB394 for Escherichia coli and B. s...

journal_title：Canadian journal of microbiology

authors： Pelchat M,Lacoste L,Yang F,Lapointe J

更新日期：1998-04-01 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：:Dark spots disease (DSD) is a relatively new coral disease that has become one of the most prevalent afflictions in the Caribbean Sea. To partially characterize bacterial communities associated with DSD, carbon utilization patterns of bacterial strains isolated from the surface mucopolysaccharide layers of healthy and...

journal_title：Canadian journal of microbiology

authors： Gil-Agudelo DL,Fonseca DP,Weil E,Garzón-Ferreira J,Smith GW

更新日期：2007-04-01 00:00:00

abstract：:Vesicular-arbuscular mycorrhizae of yellow poplar (Liriodendron tulipifera L.) were examined by scanning electron microscopy. The morphology and spatial distribution of endophytic structures are illustrated. The use of stereoscopic techniques in conjunction with removal of host cytoplasm permits detection of subtle ...

journal_title：Canadian journal of microbiology

authors： Kinden DA,Brown MF

更新日期：1975-07-01 00:00:00

abstract：:The bacterial bioluminescence assay is one of the novel means for toxicity detection. The bioluminescence response of 2 marine bioluminescent bacteria was tested upon their long-term exposure to 9 different reverse osmosis (RO) rejects with varying chemical composition sampled from various dye industries. Bioluminesce...

journal_title：Canadian journal of microbiology

authors： Ravindran J,Manikandan B,Shirodkar PV,Francis KX,Mani Murali R,Vethamony P

更新日期：2014-10-01 00:00:00

abstract：:This paper reports two different enterotoxigenic classes of the genus Aeromonas isolated from fishes. Strains of A. sobria were isolated from healthy fishes only wheras strains of A. hydrophila were isolated from both healthy and moribund fishes. Aeromonas sobria and hydrophilia strains produced a cytotoxic factor and...

journal_title：Canadian journal of microbiology

authors： Boulanger Y,Lallier R,Cousineau G

更新日期：1977-09-01 00:00:00

abstract：:Probiotics are usually isolated from the gastrointestinal tract of humans and animals. The search of probiotics in human milk is a recent field of research, as the existence of the human milk microbiome was discovered only about a decade ago. To our knowledge, no reports regarding the potential probiotic effect of bac...

journal_title：Canadian journal of microbiology

authors： Quilodrán-Vega SR,Villena J,Valdebenito J,Salas MJ,Parra C,Ruiz A,Kitazawa H,García A

更新日期：2016-06-01 00:00:00

abstract：:5-Methoxymethyl-2'-deoxyuridine (MMUdR), a drug with potent antiviral activity in vitro against Herpes simplex virus, was investigated for its immunosuppressive effects. Doses as high as 2000mg/kg given daily for 9 days were not immunosupporessive as judged by the fact that treated animals produced normal immune respo...

journal_title：Canadian journal of microbiology

authors： Rouse BT,Babiuk LA,Gupta VS

更新日期：1977-08-01 00:00:00

abstract：:The environmental distribution of Giardia spp. and Cryptosporidium spp. is dependent upon human, agricultural, and wildlife sources. The significance of each source with regard to the presence of parasites in the environment is unknown. This 2-year study examined parasite prevalence in human sewage influent, wildlife,...

journal_title：Canadian journal of microbiology

authors： Heitman TL,Frederick LM,Viste JR,Guselle NJ,Morgan UM,Thompson RC,Olson ME

更新日期：2002-06-01 00:00:00