TABLE 3.
Phylogenetic groups and virulence factors of E. coli producing CTX-M β-lactamase at the Charles Nicolle Hospital in Tunisa
| Clone (n) | CTX-M allele | Phylogenetic group | Detection of indicated virulence factor:
|
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| fimH | fyuA | iutA | papG allele | hlyA | cnf1 | KpsMTII | iha | sat | |||
| E1 (10) | 15 | A | − | − | − | − | − | − | − | − | − |
| E2 (3) | 16 | B2 | + | + | − | III | + | + | + | − | − |
| E3 (3) | 15 | D | + | + | + | − | − | − | + | + | + |
| E4 (1) | 16 | D | + | + | − | − | − | − | + | − | − |
| E5 (1) | 15 | A | − | + | − | − | − | − | − | − | − |
| E6 (16) | 15 | B2 | + | + | + | − | − | − | + | + | + |
| E7 (1) | 15 | A | + | − | − | − | − | − | − | − | − |
a
All strains were negative for papG allele II, sfa/foc, iroN, and afa genes, and all strains were positive for the tra gene.