TABLE 1.
MICs of β-lactams for P. aeruginosa 07-406 and three E. coli strains
| β-Lactam | MIC (μg/ml)a
|
|||
|---|---|---|---|---|
| P. aeruginosa 07-406 | E. coli SNO3 | E. coli SNO3 (pMAT40611) | E. coli JM109 (blaOXA-18)b | |
| Ceftazidime | >256 | 0.06 | 128 | 64 |
| Ceftazidime + clavulanate | >256 | ND | 0.12 | 0.5 |
| Cefotaxime | >256 | 0.125 | 4 | 2 |
| Cefotaxime + clavulanate | ND | ND | 0.03 | 0.06 |
| Cefepime | >256 | 0.06 | 4 | 1 |
| Cefepime + clavulanate | ND | ND | 0.03 | 0.03 |
| Cefoxitin | >256 | 2 | 4 | 8 |
| Ceftriaxone | >256 | 0.125 | 8 | ND |
| Imipenem | >256 | 0.06 | 0.12 | 0.06 |
| Meropenem | >256 | 0.06 | 0.03 | ND |
| Piperacillin | >256 | 0.5 | 32 | 16 |
| Ampicillin | >256 | 4 | 128 | ND |
| Amoxicillin | >256 | 4 | 128 | 32 |
| Oxacillin | >256 | 4 | 64 | ND |
| Aztreonam | >256 | 0.06 | 64 | 64 |
a
ND, not determined.
b
Data are for reference 21.