Shiga toxin and Shiga toxin-encoding phage do not facilitate Escherichia coli O157:H7 colonization in sheep
志贺毒素和编码志贺毒素的噬菌体不促进大肠杆菌 O157:H7 在绵羊体内定植
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作者:Nancy A Cornick, Amy F Helgerson, Vijay Sharma
Abstract
Isogenic strains of Escherichia coli O157:H7, missing either stx(2) or the entire Stx2-encoding phage, were compared with the parent strain for their abilities to colonize sheep. The absence of the phage or of the Shiga toxin did not significantly impact the magnitude or duration of shedding of E. coli O157:H7.
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