Table 1.

Phage isolates and distribution of virulence genes in the environmental samples.

Hosts	Phages	Virulence factors
		stx1	stx2	ehxA	saa	eae
E. coli NCCP 13934*	ϕNOEC31	-	-	-	-	-
E. coli NCCP 13937	ϕNOEC32	-	-	-	-	-
E. coli NCCP 13987	ϕNOEC33	-	-	-	-	-
E. coli NCCP 13970	ϕNOEC34	-	-	-	-	-
E. coli NCCP 14010	ϕNOEC35	-	-	-	-	-
E. coli NCCP 14018	ϕNOEC36	+	-	+	+	+
E. coli NCCP 13934	ϕNOEC37	-	+	+	+	+
E. coli NCCP 14010	ϕNOEC38	-	-	-	-	-
E. coli NCCP 14018	ϕNOEC39	-	-	-	-	-
E. coli NCCP 13937	ϕNOEC40	+	-	+	-	+
E. coli NCCP 13979	ϕNOEC41	+	+	-	+	-
E. coli NCCP 13979	ϕNOEC42	-	-	-	-	-
E. coli NCCP 13934	ϕNOEC43	+	-	-	-	-
E. coli NCCP 13937	ϕNOEC44	-	-	-	-	-
E. coli NCCP 13979	ϕNOEC45	-	+	-	-	-
E. coli NCCP 13934	ϕNOEC46	+	+	+	+	+
E. coli NCCP 13979	ϕNOEC47	+	+	-	+	+
E. coli NCCP 13979	ϕNOEC48	-	-	-	-	-
E. coli NCCP 13934	ϕNOEC49	+	+	+	+	+
Total	19	7	6	5	6	6

^*NCCP: National Culture Collection for Pathogens Symbols: +; detected, −; not detected