Table 3.
Expression of chromosomal genes related to SOS response in E. coli when submitted to sub-inhibitory concentration of metals zinc oxide and copper sulphate.
| 2−ΔΔCT | ||||
|---|---|---|---|---|
| Gene | Isolate | C | Zinc Oxide | Copper Sulphate |
| recA | N502-IncL | 1 | 0.10 ± 0.04 | 2.31 ± 2.09 |
| R2672-IncA/C | 1 | 3.49 ± 1.96 | 0.75 ± 0.10 | |
| R975-IncI1 | 1 | 7.53 ± 5.15 | 0.64 ± 0.26 | |
| R5059-IncF | 1 | 29.08 ± 20.46 | 0.50 ± 0.25 | |
| R5998-IncX3 | 1 | 38.12 ± 8.73 ** | 0.37 ± 0.10 | |
| sfiA | N502-IncL | 1 | 0.03 ± 0.01 | 0.54 ± 0.44 |
| R2672-IncA/C | 1 | 27.41 ± 30.75 | 0.40 ± 0.09 | |
| R975-IncI1 | 1 | 26.45 ± 17.95 | 0.20 ± 0.06 | |
| R5059-IncF | 1 | 6.05 ± 3.75 | 0.14 ± 0.08 | |
| R5998-IncX3 | 1 | 45.92 ± 13.40 ** | 1.27 ± 0.98 |
2−ΔΔCT: 2(-Delta Delta C(T)) method; C: control; ** Bold: p < 0.01.