Table 3.
Minimal inhibitory concentration (μg/ml) of integron positive strains
| Isolate | CAZ | FEP | PIP | IPM | MEM | AMK | GEN | TMP | CIP | vra |
|---|---|---|---|---|---|---|---|---|---|---|
| Ax79 | 8 | 32 | 0.25 | 1 | 0.125 | 128 | 128 | 0.25 | 8 | dfrA1-aadA1 |
| Ax169 | 32 | 128 | 0.25 | 0.5 | 0.5 | 128 | 128 | 1 | 16 | dfrA1-aadA1 |
| Ax126 | 4 | 32 | 0.5 | 1 | 0.25 | 128 | 128 | 0.125 | 16 | dfrA1-aadA1 |
| Ax72 | 4 | 32 | 0.25 | 1 | 0.25 | 256 | 256 | 4 | 6 | aac(6′)-Ib |
| Ax11 | 32 | 128 | 8 | 4 | 0.24 | 128 | 128 | 64 | 64 | aac(6′)-Ib |
| Ax44 | 16 | 32 | 0.5 | 1 | 0.5 | 128 | 128 | 256 | 4 | dfrA16 |
| Ax56 | 8 | 32 | 8 | 2 | 0.06 | 64 | 32 | 0.125 | 2 | aac(6′)-Ib |
| Ax114 | 16 | 32 | 0.125 | 1 | 0.125 | 128 | 128 | 0.125 | 16 | dfrA1-aadA1 |
| Ax304 | 32 | 128 | 8 | 4 | 0.125 | 128 | 128 | 32 | 4 | bla OXA-2 |
CAZ ceftazidime, FEP cefepime, PIP piperacillin, IPM imipenem, MEM meropenem, AMK amikacin, GEN gentamicin, TMP trimethoprim-sulfamethoxazole, CIP ciprofloxacin
avr: class 1 integron variable region found in the Ax isolates