Table 1.
MICs of E. coli wild-type strain BD07372, its transconjugant, and the recipient J53
Antimicrobial agenta |
E. coli MIC (μg/ml) |
||
---|---|---|---|
Wild-type strain BD07372b | Transconjugant trcBD07372c | Recipient J53 | |
Amoxicillin-clavulanic acid | 256 | 256 | 6 |
Piperacillin-tazobactam | >256 | >256 | 1.5 |
Cefoxitin | 128 | 96 | 12 |
Ceftazidime | >256 | 16 | 0.25 |
Ceftazidime-clavulanic acid | 8 | 0.5 | 0.12 |
Cefotaxime | >256 | 32 | 0.06 |
Cefotaxime-clavulanic acid | 1 | 0.06 | 0.06 |
Cefepime | >256 | 16 | 0.06 |
Aztreonam | 64 | 64 | 0.25 |
Imipenem | 0.5 | 0.25 | 0.19 |
Imipenem-clavulanic acid | 0.25 | 0.125 | 0.125 |
Meropenem | 0.25 | 0.06 | 0.06 |
Meropenem-clavulanic acid | 0.06 | 0.06 | 0.06 |
Ertapenem | 1.5 | 1 | 0.023 |
Ertapenem-clavulanic acid | 0.25 | 0.25 | 0.023 |
Clavulanic acid was added at a fixed concentration of 4 μg/ml.
Carries blaGES-5 and blaCTX-M-15.
Carries blaCTX-M-15.