TABLE 1.
MICs of β-lactams for C. gleum CIP 103039, E. coli DH10B(pCGA-1), and E. coli DH10B
| β-Lactam(s)a | MIC (μg/ml) for:
|
||
|---|---|---|---|
| C. gleum CIP 103039 | E. coli DH10B(pCGA-1) | E. coli DH10B | |
| Amoxicillin | 256 | 512 | 2 |
| Amoxicillin-CLA | 256 | 16 | 2 |
| Amoxicillin-TZB | 256 | 16 | 2 |
| Ticarcillin | 256 | 64 | 2 |
| Ticarcillin-CLA | 256 | 4 | 2 |
| Ticarcillin-TZB | 256 | 8 | 2 |
| Piperacillin | 8 | 8 | 1 |
| Piperacillin-TZB | 4 | 2 | 1 |
| Cephalothin | 256 | 64 | 2 |
| Ceftazidime | 4 | 16 | 0.06 |
| Ceftazidime-CLA | 0.5 | 1 | 0.06 |
| Ceftazidime-TZB | 0.5 | 0.5 | 0.06 |
| Cefotaxime | 32 | 0.5 | 0.06 |
| Cefotaxime-CLA | 32 | 0.06 | 0.06 |
| Cefotaxime-TZB | 32 | 0.06 | 0.06 |
| Cefepime | 1 | 0.5 | 0.06 |
| Cefpirome | 2 | 0.5 | 0.06 |
| Cefoxitin | 16 | 8 | 4 |
| Moxalactam | 16 | 1 | 0.12 |
| Aztreonam | >512 | 16 | 0.12 |
| Imipenem | 2 | 0.12 | 0.06 |
| Meropenem | 8 | 0.06 | 0.06 |
a
Clavulanic acid (CLA) and tazobactam (TZB) were used at concentrations of 2 and 4 μg/ml, respectively.