Table 1 Antimicrobial susceptibility profiles of the two isolates and corresponding transconjugant
| Â | MIC (mg/L)/Antimicrobial susceptibility | |||
|---|---|---|---|---|
Antibiotic | DY2007 | DY2007-NDM-EC600 | DY2010 | DY2010-NDM-EC600 |
Amoxicillin/Clavulanic acid | 128/R | 128/R | 128/R | 128/R |
Piperacillin/Tazobactam | > 128/R | > 128/R | > 128/R | > 128/R |
Ceftazidime | > 128/R | > 128/R | > 128/R | > 128/R |
Ceftriaxone | > 128/R | > 128/R | > 128/R | > 128/R |
Cefepime | 32/R | 32/R | 32/R | 32/R |
Cefotaxime | > 128/R | > 128/R | > 128/R | > 128/R |
Ciprofloxacin | > 64/R | 0.5/S | > 64/R | 0.5/S |
Levofloxacin | 32/R | 1/I | 64/R | 1/I |
Imipenem | 2/I | 2/I | 2/I | 2/I |
Meropenem | 2/I | 2/I | 2/I | 2/I |
Trimethoprim/Sulfamethoxazole | > 152/R | <  = 2.375/S | > 152/R | <  = 2.375/S |
Amikacin | 4/S | 4/S | 4/S | 4/S |
Gentamicin |  > 128/R | 2/S | > 128/R | 2/S |
Aztreonam | 0.5/S | 0.25/S | 1/S | 0.25/S |
Fosfomycin | 64/S | 8/S | 64/S | 8/S |
Tigecycline | 0.25/S | < 0.05/S | 1/S | < 0.05/S |
Polymixin B | 1/I | 0.5/I | 2/I | 0.5/I |
Tetracycline | > 128/R | 2/S | > 128/R | 1/S |
Azithromycin | 64/R | 16/S | 64/R | 16/S |
Rifamycin | > 128/NA | > 128/ NA | > 128/ NA | > 128/ NA |