TABLE 1.
MICs of β-lactams for E. brevis ASS-1, E. coli DH10B(pEBR-1), and reference strain E. coli DH10B
| β-Lactam(s) | MIC (μg/ml)
|
||
|---|---|---|---|
| E. brevis ASS-1 | E. coli DH10B (pEBR-1) | E. coli DH10B | |
| Amoxicillin | 64 | >512 | 2 |
| Amoxicillin-CLAa | 64 | >512 | 2 |
| Ticarcillin | 64 | >512 | 2 |
| Piperacillin | 2 | 8 | 1 |
| Cephalothin | 32 | 32 | 2 |
| Cefuroxime | 32 | 128 | 4 |
| Ceftazidime | 2 | 0.5 | 0.06 |
| Cefotaxime | 4 | 0.5 | 0.06 |
| Cefepime | 0.5 | 0.12 | 0.06 |
| Cefpirome | 0.25 | 0.12 | 0.06 |
| Ceftriaxone | 4 | 0.25 | 0.06 |
| Cefoxitin | 2 | 8 | 4 |
| Moxalactam | 2 | 1 | 0.12 |
| Aztreonam | 2 | 0.12 | 0.12 |
| Imipenem | 8 | 0.5 | 0.06 |
| Meropenem | 16 | 0.25 | 0.06 |
a
CLA, clavulanic acid at fixed concentration of 2 μg/ml.