Table 4 Frequency of the different ESBL types among ESBL producing E. coli isolates of the different phylogenic types.

From: Molecular characterization of Extended-spectrum β lactamase- producing E. coli recovered from community-acquired urinary tract infections in Upper Egypt

ESBL-gene

blaTEM

blaSHV

blaCTX-M

blaCTX-M Sub-types

CTX-M-1 (n = 22)

CTX-M-2 (n = 12)

CTX-M-8 (n = 10)

CTX-M-9 (n = 1)

CTX-M-25 (n = 0)

Phylo-group

B2

30

9

37

17

12

7

1

0

F

6

1

2

2

0

0

0

0

Clade I/II

15

3

1

1

0

0

0

0

unknown

9

2

5

2

0

3

0

0

Total of ESBL isolates

60

15

45

22

12

10

1

0