Verotoxin production among porcine strains of Escherichia coli and its association with oedema disease
نویسندگان
چکیده
منابع مشابه
Close association of verotoxin (Shiga-like toxin) production with enterohemolysin production in strains of Escherichia coli.
Sixty-four verotoxin-producing (VT+) Escherichia coli strains were analyzed for VT1- and VT2-specific DNA sequences and for production of hemolysin. Strains of human origin were of the following serotypes: O157:H7 or H-, O111:H8 or H-, O26:H11, O114:H4, and rough:H7. Strains of serotypes O157:H7, O113:H21, O116:H21, and rough:H- were from cattle, while those of serotype O139:K12:H1 were from pi...
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Abstract Background and Objective: the Formation of urinary infection by uropathogenic E.coli needs numerous virulence factors and biofilm formation is among these factors. Bacteria that form biofilms express phenotype traits that appear according to the bacteria type. Cellulose is an important compound on the outside of E.coli causing bacte...
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چکیده ندارد.
Verotoxin Production in Strains of Escherichia coli Isolated from Cattle and Sheep, and Their Resistance to Antibiotics
In this study, 130 Escherichia coli strains isolated from 306 cattle and sheep fecal samples were studied for their resistance to 10 antibiotics, verotoxin production, and hemolyzation. The antibiotic resistance rates of the E. coli strains were as follows: tetracycline, 51.6%; streptomycin, 24.2%; ampicillin, 13.1%; amoxicillin/clavulanic acid, 5.2%; gentamycin, 4.6%; ciprofloxacin, 4.6%; trim...
متن کاملCharacterization of verotoxin-encoding phages from Escherichia coli O103:H2 strains of bovine and human origins.
The objectives of this study were to induce and characterize verotoxin-encoding phages from a collection of 91 verotoxin-producing Escherichia coli (VTEC) O103:H2 strains of human and bovine origins. All the strains carried the vt1 gene, and two carried the vt2 gene as well. The phages were induced by UV irradiation and characterized by DNA restriction fragment length polymorphism (RFLP), genom...
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ژورنال
عنوان ژورنال: Journal of Medical Microbiology
سال: 1987
ISSN: 0022-2615,1473-5644
DOI: 10.1099/00222615-24-4-359