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Table 4 Distribution of antimicrobial resistance genes in Shiga toxin-producing E. coli serogroups

From: Serogroups, virulence genes and antibiotic resistance in Shiga toxin-producing Escherichia coli isolated from diarrheic and non-diarrheic pediatric patients in Iran

Serogroups

aadA1

tetA

tetB

dfrA1

qnr

aac (3)- IV

sul1

blaSHV

CITM

cat1

cmlA

O157 (6)

2

2

2

-

-

2

-

4

2

-

-

O26 (33)

25

18

17

12

8

29

31

19

22

1

-

O103 (8)

4

8

-

-

-

3

2

5

4

-

-

O111 (23)

11

7

10

8

6

16

20

12

11

-

-

O145 (8)

4

6

4

6

-

-

8

6

3

-

-

O45 (11)

5

7

4

9

-

8

10

8

5

-

-

O91 (12)

5

6

5

4

1

11

10

8

6

-

1

O113 (4)

4

2

2

-

-

4

4

3

1

-

-

O121 (11)

9

6

-

4

-

7

10

4

3

-

-

O128 (6)

5

1

3

1

-

3

6

-

2

-

-

Total (122)

74 (60.65%)

63 (51.63%)

47 (38.52%)

44 (36.06%)

15 (12.29%)

83 (68.03%)

101 (82.78%)

69 (56.55%)

59 (48.36%)

1 (0.81%)

1 (0.81%)