TABLE 2.
Resistance profile of strains used in transconjugation experiments
| Group and strain | MIC (μg/ml) ofa:
|
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| CIP | FOX | CAZ | CTX | PIP | GEN | AMK | TET | SXT | TMP | SMZ | |
| Donor strain 39 | 8 | >256 | 256 | 64 | >256 | >64 | 32 | >128 | 128 | >128 | >512 |
| Recipients strain J53AzR | 0.03 | 8 | 2 | 0.125 | 1 | 0.25 | 4 | 1 | 0.5 | 0.5 | 16 |
| Transcon- jugants | |||||||||||
| 39-1 | 4 | >256 | 256 | 64 | >256 | >64 | 32 | >128 | 128 | >128 | >512 |
| 39-2 | 4 | >256 | 256 | 64 | >256 | >64 | 64 | >128 | 128 | >128 | >512 |
| 39-5 | 0.5 | 1 | 64 | 32 | >256 | >64 | 16 | >128 | 128 | >128 | >512 |
a
CIP, ciprofloxacin; FOX, cefoxitin; CAZ, ceftazidime; CTX, cefotaxime; PIP, piperacillin; GEN, gentamicin; AMK, amikacin; TET, tetracycline; SXT, trimethoprim-sulfamethoxazole; TMP, trimethoprim; SMZ, sulfamethoxazole.