Table 2. Fertility in strains carrying an extra copy of matA.
| Additional copy |
Sexual cycle |
|||||
|---|---|---|---|---|---|---|
| Resident Gene | rsdAArgo | Chromosome I | Chromosome III | Chromosome IV | Cleistothecium | No. of ascospore/cleistothecium (%) |
| matA (chromosome III)wt | + | − | − | − | + | 100a |
| matA(0) (chromosome III) | + | − | − | − | − | − |
| matA(0) (chromosome III) | + | matA | − | − | + | 100 |
| matA (chromosome III) | + | matA | − | − | + | 0 |
| matA (chromosome III) | + | − | − | matA | + | 5 |
| matA (chromosome III) | + | − | matA | − | + | 7 |
| matA (chromosome III) | − | − | − | − | + | 100b |
| matA (chromosome III) | − | − | − | matA | + | 0.2c |
| matA (chromosome III) | − | − | − | matA | + | 0.1c |
rsdAArgo column: +, wt; −, null. Cleistothecium column: +/− indicate presence of absence of fruiting bodies.
a
117,000 ascospores/cleistothecium.
b
133,000 ascospores/cleistothecium.
c
Two independently isolated strains.