E. coli — Canada
Internalization of food-borne bacteria into edible parts of fresh produce plants represents a serious health risk. Therefore, internalization of verocytotoxigenic _E. coli_ O157:H7 isolate Sakai was assessed in 2 species associated with outbreaks, spinach (_Spinacia oleracea_) and lettuce (_Lactuca sativa_) and compared to the model species _Nicotiana benthamiana_. Internalization occurred in the leaves and roots of spinach and lettuce throughout a 10 day time-course. The plant species, tissue
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