Table 1.
Distribution of sod2 copy number in independent Li-resistant strains
| Strain | No. of colonies without amplification | No. of colonies with amplification | Mean ± SD of copy number |
|---|---|---|---|
| 1 | 0 | 6 | 4.8 ± 0.7 |
| 2 | 2 | 5 | 3.3 ± 1.0 |
| 3 | 3 | 5 | 3.7 ± 2.0 |
| 4 | 2 | 5 | 3.6 ± 1.6 |
| 5 | 1 | 7 | 4.2 ± 1.3 |
| 6 | 1 | 7 | 4.7 ± 1.2 |
| 7 | 3 | 3 | 2.0 ± 1.7 |
| 8 | 3 | 4 | 2.6 ± 1.5 |
| 9 | 2 | 5 | 3.2 ± 1.4 |
| 10 | 1 | 6 | 3.9 ± 1.3 |
| 11 | 1 | 7 | 3.6 ± 1.1 |
| 12 | 2 | 5 | 4.3 ± 2.1 |
| 13 | 1 | 6 | 4.1 ± 1.4 |
| 14 | 0 | 7 | 3.6 ± 0.9 |
| 15 | 2 | 6 | 3.6 ± 1.8 |
| 16 | 1 | 7 | 3.8 ± 1.0 |
| 17 | 1 | 7 | 4.0 ± 1.0 |
| 18 | 1 | 6 | 3.6 ± 1.2 |
| 19 | 0 | 8 | 4.4 ± 0.5 |
| 20 | 3 | 5 | 2.7 ± 1.5 |
| wt | 7 | 0 | 1.0 ± 0.05 |