TABLE 2.
MIC (mg/L) of β-lactams for 130002 and E. coli BL21 expressing OXA-926 or not.
| 130002 | BL21::pET28a-OXA926 | BL21::pET28a | |
| Aztreonam | >256 | 0.03 | 0.03 |
| Ampicillin | – | 1 | 1 |
| Ampicillin-sulbactam | – | 1/0.5 | 0.5/0.25 |
| Piperacillin | >256 | 32 | 0.5 |
| Piperacillin-tazobactam | >256/4 | 16/4 | 1/4 |
| Piperacillin-avibactam | 8/4 | 4/4 | 0.5/4 |
| Oxacillin | – | 512 | 512 |
| Cefazolin | – | 0.5 | 0.5 |
| Cephalothin | – | 4 | 0.25 |
| Cefuroxime | – | 0.25 | 0.25 |
| Ceftriaxone | – | 0.03 | 0.03 |
| Cefotaxime | – | ≤0.015 | ≤0.015 |
| Ceftazidime | 32 | 0.06 | 0.06 |
| Ceftazidime-avibactam | 0.5/4 | 0.06/4 | 0.06/4 |
| Cefepime | 16 | 0.03 | 0.03 |
| Cefoxitin | – | 1 | 1 |
| Ertapenem | >256 | 0.03 | 0.03 |
| Imipenem | 64 | 0.5 | 0.5 |
| Meropenem | 128 | 0.06 | 0.06 |
| Colistin | 1 | – | – |