Table 2.
Spore formation efficiency and viability in pch2Δ mutants
| Genotype | % sporulation | No. analyzed | % spore viability | Spores analyzed |
| Wild type | 79.1 | 436 | 93.5 | 400 |
| pch2∆ | 80.9 | 429 | 95.3 | 400 |
| spo11-HA | 81.1 | 434 | 92.5 | 400 |
| pch2∆ spo11-HA | 74.9 | 453 | 56.8 | 400 |
| dmc1∆ | 0.0 | 406 | NA | NA |
| pch2∆ dmc1∆ | 4.6 | 431 | 2.9 | 148 |
| spo11-HA dmc1∆ | 0.4 | 239 | NA | NA |
| pch2∆ spo11-HA dmc1∆ | 39.0 | 439 | 1.3 | 160 |
| spo11-HA/spo11yf-HA | 79.6 | 421 | ND | ND |
| pch2∆/pch2∆; spo11-HA/spo11yf-HA | 67.7 | 440 | ND | ND |
| spo11-HA/spo11yf-HA; dmc1∆/dmc1∆ | 4.6 | 415 | ND | ND |
| pch2∆/pch2∆; spo11-HA/spo11yf-HA; dmc1∆/dmc1∆ | 42.8 | 523 | ND | ND |
| rad54∆ | 58.3 | 439 | 59.5 | 400 |
| pch2∆ rad54∆ | 46.0 | 443 | 47.0 | 400 |
| spo11-HA rad54∆ | 63.5 | 425 | 62.8 | 400 |
| pch2∆ spo11-HA rad54∆ | 30.7 | 440 | 38.0 | 400 |
| dmc1∆ rad54∆ | 0.2 | 422 | NA | NA |
| pch2∆ dmc1∆ rad54∆ | 0.0 | 444 | NA | NA |
| spo11-HA dmc1∆ rad54∆ | 0.0 | 409 | NA | NA |
| pch2∆ spo11-HA dmc1∆ rad54∆ | 0.0 | 403 | NA | NA |
| spo13 | 63.3 | 441 | 47.3 | 400 |
| pch2∆ spo13 | 49.2 | 417 | 44.8 | 400 |
| spo11-HA spo13 | 51.8 | 454 | 44.8 | 400 |
| pch2∆ spo11-HA spo13 | 56.9 | 457 | 44.3 | 400 |
| dmc1∆ spo13 | 9.6 | 428 | 7.3 | 400 |
| pch2∆ dmc1∆ spo13 | 43.4 | 422 | 15.5 | 400 |
| spo11-HA dmc1∆ spo13 | 16.6 | 441 | 16.0 | 400 |
| pch2∆ spo11-HA dmc1∆ spo13 | 57.9 | 480 | 25.5 | 396 |
| pch2∆ spo11-HA dmc1∆ rad54∆ spo13 | 14.0 | 222 | 0.0 | 120 |
Sporulation efficiencies for the above strains were counted after 5 days on sporulation media at 30°. Tetrads (for SPO13 strains) or dyads (from spo13 strains) were dissected on YPD and scored for spore viability after 3 days. NA indicates that the percentage of spore viability is not applicable for strains that do not sporulate. ND indicates that spore viability was not assayed.