Table 2.
Biofilm and Imipenem resistance phenotypes of clinical isolates
| Imipenem resistancea | Strain | Imipenem MIC | Biofilm (A550±SD)) |
|---|---|---|---|
| Sensitive | PA01 | 2 | 0.88±0.01 |
| Sensitive | SMC631 | 1.5 | 0.19±0.02 |
| Resistant | SMC631C | 16 | 0.12±0.02 |
| Resistant | SMC631F | 16 | 0.06±0.02 |
| Resistant | SMC631H | 16 | 0.10±0.02 |
| Resistant | SMC631J | 16 | 0.11±0.02 |
| Resistant | SMC631K | 24 | 0.12±0.03 |
| Resistant | SMC4974 | 32 | 0.04±0.01 |
| Resistant | SMC5810 | 23 | 0.02±0.01 |
| Resistant | SMC5811 | 24 | 0.01±0.03 |
| Sensitive | SMC576 | 1 | 0.84±0.23 |
| Intermediate | SMC214 | 4 | 0.70±0.16 |
| Sensitive | SMC4972 | 1 | 0.77±0.03 |
| Sensitive | SMC4973 | 0.5 | 0.96±0.05 |
| Intermediate | SMC4979 | 4 | 0.53±0.06 |
Sensitive (≤2 μg/ml), intermediate (4 μg/ml) or resistant (≥8 μg/ml)