TABLE 2.
Spontaneous mutation frequencies of YB955, ytkD mutT, and ytkD mutM yfhQ strains of B. subtilis
| Strain | Mean Rifr mutation frequency ± SD (10−9) | Relative frequency |
|---|---|---|
| YB955 | 1.7 ± 0.82 | 1 |
| ytkDmutT | 75.47 ± 0.63 | 44.39 |
| ytkDmutM yfhQ | 3,746 ± 11.6 | 2,203 |