Table 3.

Convertant cells by phage stx-gene transfer to non Shiga toxin E. coli host strains.

Host and convertant E. coli	stx1	stx2
E. coli ATCC 9637	-	-
E. coli ATCC 9637 (ϕNOEC36)	+	-
E. coli ATCC 9637 (ϕNOEC40)	+	-
E. coli ATCC 9637 (ϕNOEC46)	+	-
E. coli ATCC 9637 (ϕNOEC49)	+	-
E. coli ATCC 11775	-	-
E. coli ATCC 11775 (ϕNOEC43)	+	-
E. coli ATCC 11775 (ϕNOEC46)	+	-
E. coli ATCC 25922	-	-
E. coli ATCC 25922 (ϕNOEC49)	+	+

Symbols: +, detected; −, not detected