Table 2.
Conjugation frequency and fold change in filter mating assays for E. coli isolates carrying different incompatibility family plasmids submitted to sub dosage of copper sulphate.
| Control | ½ MIC | ||||
|---|---|---|---|---|---|
| Plasmids | MIC (µg/mL) | CF | FC | CF | FC |
| IncL | 1.024 | 1.00 × 100 ± 6.78 × 10−1 | 1 | 1.69 × 101 ± 9.86 × 100 | 17.0 * |
| IncA/C | 1.024 | 1.00 × 100 ± 1.28 × 100 | 1 | 1.32 × 100 ± 1.40 × 100 | 1.3 |
| IncI1 | 1.024 | 1.00 × 100 ± 1.12 × 100 | 1 | 1.28 × 100 ± 6.78 × 10−1 | 1.3 |
| IncF | 1.024 | 9.99 × 10−1 ± 2.27 × 10−1 | 1 | 1.31 × 100 ± 1.12 × 100 | 1.3 |
| IncX3 | 1.024 | 9.99 × 10−1 ± 3.83 × 10−1 | 1 | 5.12 × 10−1 ± 4.49 × 10−1 | 0.5 |
CF: conjugation frequency; FC: fold change; * Bold: p < 0.05.