... Escherichia coli EMB : Eosin Methylene Blue Agar EPEC : Enteropathogenic E. coli ETEC : Eneterotoxigenic E. coli ETEE : Enterotoxinic E. coli F : Fimbriae GTP : Guanosin 5-Triphosphate Hly ... http://www.lrc-tnu.edu.vn 16 1.3. Một số đặc tính củavikhuẩn E. coli Trực khuẩn ruột già E. coli thuộc họ Enterobacteriaceae, tộc Escherichae, giống Escherichia, loài Escherichia coli. Trong các vikhuẩn ... Adhereneia Enteropathogenic E. coli AMP : Adenosine Monophosphate ATP : Adenosin Triphosphate BHI : Brai-heart infusion Colv : Colicin V C. perfrigens : Clostridium perfringens E. coli : Escherichia...
... phân loại vikhuẩn E. coli thành các loại sau: Enterotoxigenic E. coli (ETEC), Enteropathogenic E. coli (EPEC), Adherence Enteropathogenic E. coli (AEEC) và Verotoxingenic E. coli (VTEC) (Lê ... sinh vật hoá học Vikhuẩn C. perfringens lên men đường glucose, lactose, sucrose, maltose, fructose, mannose, không lên men đường arabinose, xylose. Phản ứng catalase và oxidase âm tính. Phản ... nguyên bám dính củavikhuẩn E. coli thuộc nhóm ETEC (Enteroxigenic E. coli) gây bệnh chủ yếu cho lợn là F4(K88), F5(K99), F6(987P), F18 và F41 (Cater.G.R và cs, 1995) [68]. 1.2.2. Đặc tính nuôi...
... 1.1 Vikhuẩn E. coli 5 1.1.1 Phân loại E. coli 8 1.1.2 Đặc tính củavikhuẩn E. coli 9 1.2 Verotoxigenic Escherichia coli (VTEC) 14 1.2.1 Danh pháp 14 1.2.2 Một số yếu tố độc lực củavikhuẩn ... Donnenberg và cs tiến hành năm 1993 [27]. Các tác giả cho rằng một sự đột biến của gen eae ở chủng vi khuẩn này có thể hạn chế khả năng bám dính củavi khuẩn. Hơn nữa, khi gen eae ở các vikhuẩn ... Thi Thu Hien, 2008) [23]. Các vi khuẩn này thuộc 3 nhóm chính là: AEEC (chiếm 39% trong tổng số E. coli) , EAEC (chiếm khoảng 1/3), và ETEC (chiếm 15%). Các nghiên cứu về vikhuẩn E. coli và...
... carried at least 1 antibiotic resistance gene. Among of these tested ioslates, 98.37% of strains possessed genes resistance to Aminoglycosid group. The prevalence of strains carried genes resistance ... Matos, M., Vinue, L., Rodrigues, J., and Torres, C., 2008. Prevalence of antimicrobial resistance and resistance gens in faecal Escherichia coli isolates recovered from healthy pets. Veterinary ... 7. Enne, V. I., Livermore, D.M., Stephens, P., and Hall, L.M.C., 2001. Persistence of sulphonamide resistance in Escherichia coli in the UK despite national prescribing restriction. Lancet,...
... indicated that the E. coli O175:H7 infection in the three provinces were 2,2%; 3,5% and 4,5%, respectively. All the E. coli O157:H7 isolates owned properties as having been described elsewhere. Examination ... Tropical Medicine and Hygiene. 73:586-587. 7. Nielsen EM, Tegtmeier C, Andersen HJ, Grønbaek C, Andersen JS. (2002). Influence of age, sex and herd characteristics on the occurrence of Verocytotoxin-producing ... the antibiotic resistance to 22 different drugs, the E. coli O157:H7 were found susceptible to Amikacin, Cefotacime, Cefepime, Cefoperazone, Gentamicin and Polymycin B (100% of the isolates)...
... mechanical shearing method combined with centrifugation and precipitation. The concentration of purified fimbriae were 0,68mg/ml (F4 fimbriae) and 0,46mg/ml (F18 fimbriae). Separated these ... SDS-polyacrylamide and then stained with 0,1% Coomassie blue shown that there is only one band at 26kDa for F4 fimbriae and one band at 15kDa for F18 fimbriae. Key words: E. coli, F4 fimbriae, F18 fimbriae, ... SDS-polyacrylamide Giếng 1- 4: kháng nguyên F4, giếng 5-8: kháng nguyên F18, giếng 9: protein marker (SeeBlue Plus2 Pre-stained standard, Invitrogen)Generated by Foxit PDF Creator â Foxit Softwarehttp://www.foxitsoftware.com...
... test showed that the frequency of stx1, stx2 and hly genes detection of the STEC in diarrhea feces were double higher than normal case; stx1, stx2 and eae genes in Holstein breed were 9 to 13 ... breed, and stx2 gene in the rain season was 4 fold than the dry season but the season did not related to other genes. The age did not related to stx1 and stx2 genes detection of the STEC but eae ... 12.61%; rfbE and fliC genes were 0.84% and 2.94% respectively. The results of 2 test was indicated that the age, condition of diarrhea, breed of cattle, and season related to the frequency of...
... test showed that the frequency of stx1, stx2 and hly genes detection of the STEC in diarrhea feces were double higher than normal case; stx1, stx2 and eae genes in Holstein breed were 9 to 13 ... breed, and stx2 gene in the rain season was 4 fold than the dry season but the season did not related to other genes. The age did not related to stx1 and stx2 genes detection of the STEC but eae ... 12.61%; rfbE and fliC genes were 0.84% and 2.94% respectively. The results of 2 test was indicated that the age, condition of diarrhea, breed of cattle, and season related to the frequency of...
... and kidney from these specimens revealed small cocci, gram positive bacterial cells. Bacteria isolates from brain and head kidney were recovered on brain heart agar and were analyzed as Gram ... that have a symptom as popeye and skin haemorrhage were collected at a farm practicing intensive cage culture of red tilapia in Tien Giang province. Microscopic observation of fresh smear of ... diseased specimens showed a typical sign of bacterial necrosis in kidney, spleen and liver. It is the first report of S. agalactiae biotype 2 outbreak in tilapia in Vietnam. Keywords: Red...
... Vandekerchove, F. Vandemaele, C. Adriaensen (2005). Virulence-associated traits in avian Escherichia coli: Comparison between isolates from Colibacillosis-affected and clinically healthy layer ... WooleyPrediction of Chicken Embryo Lethality with the Avian Escherichia coli Traits Complement Resistance, Colicin V Production, and Presence of the Increased Serum Survival Gene Cluster (Iss) ... Escherichia coli isolated from septicemic chickens and turkeys, Infection and Immunity 60 (7), pp. 26482656. 12. Ewers C., Janen, T. (2005). Rapid Detection of Virulence-Associated Genes...
... of E. coli in 61 strains isolated from diarrhoeic post weaned piglets was conducted by PCR. The results from 61 strains isolated showed that there were 25 isolates having the LT toxin representing ... A., Jansen W., Gomes T.A., Zerbini L.F., Yano T., Pestana de Castro A.F., Genes coding for enterotoxins and verotoxins in porcine E. coli strains belonged to different O:K:H serotypes: relationship ... & Tabuchi K., Methods for rapid cloning and detection for sequencing of cloned inverse PCR-generated DNA fragments adjacent to known sequences in bacterial chromosomes, Microbiol Immunol,...