TABLE 2.
Spontaneous Fosr mutation rate of strains PA14 and PAO1 and their mutant derivatives
| Strain or derivative | Mutation rate (no. of mutations per cell per division) | Increase (fold) |
|---|---|---|
| PA14 | ||
| (pBBR1MCS-3) | 7.1 × 10−8 | 1.0 |
| pfpI (pBBR1MCS-3) | 1.5 × 10−6 | 22.0 |
| pfpI (pBBR-pfpI-14) | 4.5 × 10−8 | 0.6 |
| PAO1 | ||
| (pBBR1MCS-5) | 4.2 × 10−8 | 1.0 |
| pfpI (pBBR1MCS-5) | 3.4 × 10−7 | 8.1 |
| pfpI (pBBR-pfpI-01) | 4.6 × 10−8 | 1.1 |