Table 3.
Estimated Ka/Ks ratios of the segmentally duplicated SlPDI genes with their divergence time in tomato.
| Duplicated Gene Pairs | Ka | Ks | Ka/Ks | Duplication Type | Types of Selection | Time (MYA) |
|---|---|---|---|---|---|---|
| SlPDI2-2/SlPDI2-3 | 0.197166 | 0.868192 | 0.227099 | Segmental | Purifying selection | 28.94 |
| SlPDI11-1/SlPDI11-2 | 0.095269 | 0.62544 | 0.152323 | Segmental | Purifying selection | 20.85 |
| SlPDI11-2/SlPDI11-3 | 0.072036 | 0.628726 | 0.114574 | Segmental | Purifying selection | 20.96 |
Ks the number of synonymous substitutions per synonymous site, Ka the number of non-synonymous substitutions per nonsynonymous site, MYA million years ago.