Table 2 ST131 subclades’ blaCTX-M-14/15/27 genes. B0 (n = 13) is not shown because it had no blaCTX-M genes.

From: An Escherichia coli ST131 pangenome atlas reveals population structure and evolution across 4,071 isolates

Subclade

Number

blaCTX-M allele numbers per isolate

mppA gene

14

14 + 15

15

15 + 27

27

Interrupted

Intact

A

414

65

1

66

2

51

 

414

B

420

7

1

9

 

1

11

409

C0

52

  

46

 

1

 

52

C1_6

1,113

149

6

59

3

418

3

1,108

C2_4

386

12

3

339

7

1

1

382

C2_9

1,651

16

6

1,338

 

4

90

1,561

  1. The chromosomal gene mppA as intact or interrupted, where truncation of this gene was indicative of a chromosomal insertion of a blaCTX-M-15-positive TU.
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