Table 3 Distribution of VF genes and phylogenetic groups in 95 CTX-M isolates.

From: Detection of Extended-spectrum β-lactamase-producing Escherichia coli isolates by isothermal amplification and association of their virulence genes and phylogroups with extraintestinal infection

CTX-M variants

(Isolates containing)

Number of VF genes (%)

traT

ompT

iutA

fimH

iha

hlyA

papC

cvaC

Phylogroups

(Number, %)

CTX-M-14

(14)

9 (64.3)

7 (50.0)

8 (57.1)

6 (35.71)

4 (28.6)

3 (21.4)

1 (7.1)

1 (7.1)

A (5, 35.7)

B2 (3, 21.4)

C (1, 7.1)

D (2, 14.3)

F (3, 21.4)

CTX-M-15

(48)

36 (75)

23 (47.9)

23 (47.9)

19 (39.6)

12 (25)

17 (35.4)

9 (18.8)

1 (2.1)

A (14, 29.2)

B2 (9, 18)

C (5, 10.4)

D (7, 14.6)

E (1, 2.1)

F (12, 25)

CTX-M-27

(16)

6 (35.3)

11 (64.7)

9 (52.9)

11 (64.7)

12 (70.6)

2 (11.8)

0 (0)

0 (0)

B2 (12, 70.6) D (1, 5.9)

F (3, 17.6),

CTX-M-55

(17)

13 (76.5)

9 (52.9)

8 (47.1)

9 (52.9)

4 (23.5)

3 (5.88)

2 (11.8)

1 (5.9)

A (8, 47.1)

B1 (1, 5.9)

B2 (3, 17.6)

C (1, 5.9)

D (1, 5.9)

F (3, 17.6)

Total

(95)

64 (67.4)

50 (52.6)

48 (50.5)

45 (47.4)

32 (33.7)

25 (26.3)

12 (12.6)

3 (3.2)

A (27, 28.4)

B1 (1, 1.1)

B2 (27, 28.4)

C (7, 7.4)

D (11, 11.6)

E (1, 1.1)

F (21, 22.1)

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