TABLE 3.
MICs for EC410 and EC3437 and transconjugants
| Antibiotic | MIC (μg/ml) for:
|
||||
|---|---|---|---|---|---|
| HB101 | EC410 | HB101/410TC | EC3437 | HB101/3437TC | |
| AMX | 4 | >64 | >64 | >64 | >64 |
| AMX-CLAV | 4 | 16 | 8 | 16 | 4 |
| TIC | ≤4 | >128 | >128 | >128 | >128 |
| PIP | ≤4 | >128 | >128 | >128 | >128 |
| PIP-TZ | ≤4 | ≤4 | ≤4 | 32 | ≤4 |
| CFZ | 2 | 16 | 4 | 32 | 4 |
| CFZ-CLAV | 1 | 4 | 1 | 4 | 1 |
| CXM | 4 | 32 | 4 | 16 | 4 |
| CXM-CLAV | 2 | 16 | 2 | 16 | 2 |
| FOX | 4 | 32 | 4 | 32 | 4 |
| CPD | 1 | 2 | 1 | 4 | 1 |
| CPD-CLAV | 0.5 | 2 | 0.5 | 2 | 0.5 |
| CAZ | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
| CAZ-CLAV | 0.25 | 0.25 | 0.25 | 0.5 | 0.25 |
| CTX | 0.12 | 0.5 | 0.12 | 0.25 | 0.12 |
| CTX-CLAV | 0.12 | 0.25 | 0.06 | 0.25 | 0.12 |
| ATM | 0.25 | 0.5 | 0.25 | 0.5 | 0.25 |
| ATM-CLAV | 0.12 | 0.5 | 0.12 | 0.25 | 0.25 |
| FEP | 0.06 | 0.12 | 0.06 | 0.12 | 0.12 |
| FEP-CLAV | 0.06 | 0.06 | 0.06 | 0.12 | 0.06 |
a
Strains EC410, EC3437 and their respective transconjugants harbored a pI 5.4 TEM beta-lactamase (see characterization of phenotype A).