TABLE 1.
MIC values of carbapenem-resistant strains, meropenem transconjugants, a recipient strain, and non-ESBL non-carbapenem-resistant E. coli isolates from the present study
| Strain group and no. | MIC (μg/ml)b |
|||
|---|---|---|---|---|
| Gentamicin | Ciprofloxacin | Co-trimoxazole | Tetracycline | |
| Carbapenem-resistant strains (n = 17)a | ||||
| NA084 | >240 | >240 | >240 | 3 |
| NA644 | >240 | >240 | >240 | 5 |
| NA708 | >240 | 60 | >240 | 3 |
| NA086 | >240 | >240 | >240 | 2 |
| NA086 T | >240 | 0.01 | 0.05 | 0.1 |
| NA099 | >240 | >240 | >240 | 0.1 |
| NA099T | 0.01 | 0.1 | 0.01 | 0.01 |
| NA316 | >240 | >240 | >240 | 3 |
| NA316T | 0.1 | ND | 0.05 | 0.1 |
| NA635 | >240 | 120 | >240 | 5 |
| NA635T | 24 | ND | >240 | 3 |
| NA703 | >240 | >240 | >240 | 0.001 |
| NA703T | 16 | ND | 0.05 | 0.001 |
| NA724 | >240 | 120 | >240 | 3 |
| NA724T | 30 | 0.01 | 0.05 | 0.1 |
| NA805 | 60 | 10 | >240 | 0.01 |
| NA805T | ND | 1 | 0.05 | 0.01 |
| Recipient strain (n = 1) | ||||
| K-12 J53 | 0.001 | 0.008 | 0.05 | 0.01 |
| Non-ESBL non-carbapenem-resistant strains (n = 10) | ||||
| NA433 | 0.1 | 60 | >240 | 10 |
| NA010 | 0.1 | 0.008 | 30 | 0.1 |
| NA295 | 0.01 | 0.01 | 120 | 0.1 |
| NA053 | 0.25 | 1 | >240 | 2 |
| NA057 | 0.1 | 30 | >240 | 0.1 |
| NA120 | 0.01 | 0.1 | >240 | 0.5 |
| NA140 | 0.1 | 0.01 | >240 | 30 |
| NA150 | 0.1 | 0.25 | 2 | 0.01 |
| NA203 | 0.01 | 0.01 | 0.1 | 0.01 |
| NA274 | 0.1 | 10 | >240 | 30 |
a
The total includes seven meropenem transconjugants (T suffix).
b
ND, not determined.