[Virulence factors and phenotypes of sixty-one strains of Escherichia coli of bovine origin, producing cytotoxic necrotising toxin type 1 (CNF 1)].


Virulence factors and phenotypes of 61 strains CNF1+ were investigated. Eighty-nine percent of the strains produced an aerobactin and were resistant to the bactericidal activity of sheep serum, both of which are properties of septicemic strains of E coli. None of the strains reacted either with DNA probes corresponding to the enterotoxins STaP, STb, LT-I… (More)


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