Table 3.

Detection and identification of F17 genes variants and virulence-associated genes in the collection of E . coli isolates from feces of calves with diarrhea in Iran

Isolate	Herd	Sampling date	Serogroup	Phylogroup	F17A	F17a-A	F17b-A	F17c-A	F17d-A	F17e-A	F17-G1	F17-G2	Other virulence-associated genes
2	1	March-04	-	B1-1
10		March-04	-	B1-1	+					+		+
30		May-04	-	B1-1	+					+		+
44		May-04	O8	B1-1
38		May-04	-	B1-1	+					+		+
49		June-04	-	B1-1
52		June-04	O8	B1-1
64		March-05	O157	A-1									afaE-VIII, iucD
16	2	April-04	-	B1-1
68		April-05	-	B1-1	+			+				+	iucD
73		June-05	-	D-1									afaE-VIII, clpG, iucD
45	3	May-04	-	B1-1
57		June-04	O15	B1-1	+		+				+
4	4	March-04	O8	B1-1
3		March-04	O8	B1-1
29		April-04	-	B1-1	+					+		+
56		June-04	O8	A-1									afaE-VIII, iucD
25	5	April-04	-	B1-1	+	+						+
35		May-04	-	B1-1	+	+						+
63		March-05	O49	B1-1
5	6	March-04	-	B1-1	+					+		+
26		April-04	-	B1-1	+					+		+
28		April-04	O101	B1-1	+					+		+
32		May-04	-	B1-1	+					+		+
51		June-04	O141	B1-1
54		June-04	-	B1-1
9	7	March-04	-	B1-1	+					+		+
11		March-04	O8	B1-1	+			+				+	iucD
14		March-04	-	B1-1	+					+		+
46		May-04	-	B1-1	+					+		+	cnf2, cdtIII
43		May-04	O8	B1-1
33		May-04	-	B1-1	+					+		+	cnf2, cdtIII
66		March-05	O8	A-2
69		April-05	O8	A-2
75		June-05	O8	B1-1	+			+				+	iucD
74		June-05	O8	B1-1	+			+				+
19	8	April-04	-	B1-1	+					+		+
34		May-04	-	B1-1	+					+		+
47		May-04	-	B1-1	+					+		+
48		June-04	-	B1-1	+					+		+	stI, ltI
53		June-04	-	A-1									iucD
59		June-04	-	B1-1
62		March-05	-	B1-1
65		March-05	-	D-1									hly
71		April-05	O8	B1-1
39	9	May-04	O15	B1-1	+					+		+
31		May-04	-	B1-1
60		June-04	O49	B1-1
70		April-05	-	A-1
27	10	April-04	O8	B1-1
20		April-04	-	B1-1	+					+		+
24		April-04	-	B1-1	+					+		+
37		May-04	O8	B1-1
41		May-04	O8	B1-1
50		June-04	-	B1-1	+					+		+
72		April-05	O15	B1-1	+				+		+
55	11	June-04	-	D-1									stI, ltI
61		June-04	-	A-2									hly