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In vitro susceptibility to various β-lactams of E. coli DH5α(pLLB-8AI), which contains the cloned blaFEZ-1 determinant, and of E. coli DH5α carrying the empty vector
| β-Lactam | MIC (μg/ml) for:
|
|
|---|---|---|
| DH5α(pLLB-8AI) | DH5α(pACYC184) | |
| Ampicillin | 2 | 2 |
| Carbenicillin | 4 | 4 |
| Piperacillin | 1 | 1 |
| Cephalothin | 32 | 4 |
| Cefoxitin | 32 | 2 |
| Cefuroxime | 32 | 4 |
| Cefotaxime | 4 | 0.06 |
| Ceftazidime | 0.50 | 0.12 |
| Imipenem | 0.25 | 0.12 |
| Meropenem | 0.25 | 0.03 |
| Aztreonam | 0.12 | 0.12 |
