Table 2. β-lactam MICs and PCR results for Kp001 and Ec003.
| Antibiotica | MICs (mg/L)b | ||
| Kp001 | Ec003 (Ec002 transconjugant) | Ec002 | |
| Ampicillin | ≥32 | ≥32 | ≤2 |
| Amoxicillin/CLA | ≥32 | 16 | ≤2 |
| Ticarcillin/CLA | ≥128 | ≥128 | ≤8 |
| Piperacillin/TZB | ≥128 | ≥128 | ≤4 |
| Cefazolin | ≥64 | ≥64 | ≤4 |
| Cefoxitin | ≥64 | ≤4 | ≤4 |
| Ceftazidime | 4 | ≤1 | ≤1 |
| Ceftriaxone | ≥64 | 32 | ≤1 |
| Cefepime | ≥64 | ≤1 | ≤1 |
| Meropenem | ≥16 | ≤0.25 | ≤0.25 |
| Gene Target | PCR Results | ||
| aacA4 | + | + | − |
| bla CTX-M-14 | + | + | − |
| bla OXA-48 | + | + | − |
| aacC2 | + | − | − |
a
Antibiotic abbreviations: CLA, clavulanic acid, TZB, tazobactam.
b
MICs were determined using a VITEK 2 AST-N149 card.