TABLE 2.
β-Lactam | MIC (μg/ml) for E. coli strain |
||
---|---|---|---|
DH5α(pLBII-IMP-13) | DH5α(pLBII-IMP-1) | DH5α(pBC-SK) | |
Ampicillin | 8 | 32 | 0.5 |
Piperacillin | ≤2 | ≤2 | ≤2 |
Cefoxitin | >32 | >32 | 8 |
Cefotaxime | 4 | 8 | 0.25 |
Ceftazidime | 16 | 32 | 0.25 |
Imipenem | 2 | 0.5 | 0.25 |
Meropenem | 0.125 | 2 | ≤0.015 |
Ertapenem | 0.125 | 2 | ≤0.015 |
The MICs for the control strain carrying the empty vector are shown for comparison.