Table 1 . Cryphonectria parasitica strains used in this study.
| Strain | Characteristic(s) | Source/reference |
|---|---|---|
| EP155 | Mating type MAT-2; vic genotype 2211-22 | ATCC 38755 |
| EP146 | Mating type MAT-1; vic genotype 2112-11 | ATCC 64671 |
| DK80 | EP155 genetic background; Δcpku80 | Lan et al. (2008) |
| DK80hygR | DK80 with hygromycin resistance | This study |
| DK80neoR | DK80 with G418 resistance | This study |
| DK80 Δvic2-2 | DK80 background; vic2-2::hygR | This study |
| DK80 Δvic6-2 | DK80 background; vic6-2::hygR | This study |
| DK80 Δvic7-2 | DK80 background; vic7-2::hygR | This study |
| DK80 Δpix6-2 | DK80 background; pix6-2::hygR | This study |
| DK80 Δpix6-2 Δvic6-2 | DK80 background; pix6-2::neoR, vic6-2::hygR | This study |
| EU-5 | Tester strain for vc type EU-5 (isolate P1-11), vic genotype 2211-22 | Cortesi and Milgroom (1998) |
| EU-6 | Tester strain for vc type EU-6 (isolate P1-6), vic genotype 2111-22 | Cortesi and Milgroom (1998) |
| EU-18 | Tester strain for vc type EU-18 (isolate P24-33), vic genotype 2211-21 | Cortesi and Milgroom (1998) |
| EU-21 | Tester strain for vc type EU-21 (isolate P10-18), vic genotype 2211-12 | Cortesi and Milgroom (1998) |
| EU-21hygR | EU-21 with hygromycin resistance | This study |
| EU-21neoR | EU-21 with G418 resistance | This study |
| EU-21 Δvic6-1 | EU-21 background; vic6-1::neoR | This study |
| EU-21 Δpix6-1 | EU-21 background; pix6-1::neoR | This study |
vic genotypes are abbreviated as the alleles at each of the six known vic loci, e.g., 2211-22 is the abbreviation for genotype vic1-2, vic2-2, vic3-1, vic4-1, vic6-2, vic7-2 (Cortesi and Milgroom 1998).