Table 2.
Distribution of ESBL-producing E. coli wastewater isolates by multi-locus sequence typing (ST), serotype (O25b), and phylogroups B2 and A.
| Isolates | Origin | ESBL | ST | Serotype | Phylogroup |
|---|---|---|---|---|---|
| 5301 | BEI-EFL_10TM | CTX-M-15 | 131 | O25b | B2 |
| 5302 | BEI-EFL_12CTX | CTX-M-15 | 131 | O25b | B2 |
| 5262 | BEI-DSR_6TM | CTX-M-174 | 131 | O25b | B2 |
| 5318 | FNw-EFT_11GM | CTX-M-15 | 44 | O25b | A |
| 5281 | FNw-AFB_7GM | CTX-M-15 | 410 | O25b | A |
| 5064 | FNw-AFB_10CTX | CTX-M-15 | 10 | O25b | A |
| 5295 | BEI-EFL_9TM | CTX-M-14 | 23 | O25b | A |
Legend: BEI-EFL: Beirolas-Lisboa effluent wastewater; BEI-DSR: Beirolas-Lisboa influent wastewater; FNw-EFT: Faro Northwest-Algarve effluent; wastewater; FNw-AFB: Faro Northwest-Algarve influent wastewater. The number is indicative of the number of water samples and the letters indicative of the antibiotic used. TM: Trimethoprim; CTX: cefotaxime and GM: gentamicin. ESBL: extended spectrum β-lactamase; ST: sequence type.