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Sporulation frequency of parent and mutant strains
| Strain | % Phase-brighta | Relative sporulation frequency |
|---|---|---|
| BR151 (parent) | 80 | 1.0 |
| ripX | 45 | 0.56 |
| recA | 46 | 0.58 |
| ripX recA | 29 | 0.36 |
A minimum of 300 phase-bright spores and vegetative cells were counted in several fields of view at t20 by phase-contrast microscopy.
