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Table 2 Phylogenetic groups of ESBL-producing E. coli isolates

From: Molecular epidemiology of extended-spectrum beta-lactamase-producing Escherichia coli in Tunisia and characterization of their virulence factors and plasmid addiction systems

Phylogenetic group

Total

CTX-M producers

No CTX-M producers

CTX-M-15 producers

Total number

163 (%)

118

45

101

    A

54 (33.1)

34

20

26

    B1

24 (14.7)

12

12

10

    B2

61 (37.4)

55 †

6

52 √

    D

24 (14.7)

17

7

13

  1. †: p < 0.0005 for CTX-M B2 producers vs no CTX-M B2 producers.
  2. √: p < 0.0005 for CTX-M-15 B2 producers vs no CTX-M-15 B2 producers.
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BMC Microbiology

ISSN: 1471-2180

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