Table 1.
Antimicrobial susceptibility profile of E. coli A15, E. coli 550, and the transconjugant A15*E. coli 550 MIC (minimum inhibitory concentration, mg/L).
| AMP | AMS | ATM | CTX | FEP | CAZ | CIP | CO | FOS | ETP | MP | IMP | CN | TOB | TGC | TMX | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| E. coli A15 | 2 S | 2 S | ≤0.125 S | ≤0.068 S | ≤0.125 S | ≤0.25 S | ≤0.068 S | ≤0.5 S | ≤0.125 S | ≤0.032 S | ≤0.125 S | ≤0.125 S | ≤0.25 S | ≤0.125 S | ≤0.125 S | ≤0.068 S |
| E. coli 550 | >128 R | >128 R | 16 R | >8 R | 16 R | >16 R | 0.25 S | 0.25 S | 8 S | 1 R | 1 S | 2 S | 1 S | 4 R | 0.25 S | >4 R |
|
A15*
E. coli 550 |
128 R | 128 R | 16 R | >8 R | 8 R | >16 R | 0.25 S | 0.25 S | 8 S | 0.38 S | 1 S | 2 S | 0.5 S | 2 S | 0.12 5S | >4 R |
MIC, minimum inhibitory concentration: ampicillin; AMP, ampicillin/sulbactam; AMS, aztreonam; ATM, cefotaxime; CTX, cefepime; FEP, ceftazidime; CAZ, ciprofloxacin; CIP, colistin; CO, fosfomycin; FOS, ertapenem; ETP, meropenem; MP, imipenem; IMP, gentamycin; CN, tobramycin; TO, tigecycline; TIG; TMX, trimethoprim/sulfamethoxazole. R-resistant, S-susceptible.