Table 2.
Estimated Ka/Ks ratios of the duplicated TIFY genes with their divergence time in B. rapa.
| Duplicated gene pairs | Ka | Ks | Ka/Ks | Type of duplication | Purifying selection | Time (MYA) |
|---|---|---|---|---|---|---|
| BrTIFY2b-BrTIFY2c | 0.2985 | 0.1267 | 0.4244 | WGD/segmental | Yes | 4.22 |
| BrTIFY3a-BrTIFY3b | 0.1370 | 0.3682 | 0.3720 | WGD/segmental | Yes | 12.27 |
| BrTIFY4a-BrTIFY4b | 0.1203 | 0.3917 | 0.3072 | WGD/segmental | Yes | 13.05 |
| BrTIFY5a-BrTIFY5b | 0.1413 | 0.3750 | 0.3767 | WGD/segmental | Yes | 12.5 |
| BrTIFY5d-BrTIFY5e | 0.0748 | 0.3636 | 0.2056 | WGD/segmental | Yes | 12.12 |
| BrTIFY6a-BrTIFY6b | 0.0883 | 0.2297 | 0.3843 | WGD/segmental | Yes | 7.6 |
| BrTIFY7b-BrTIFY7c | 0.1552 | 0.3341 | 0.4646 | WGD/segmental | Yes | 11.14 |
| BrTIFY8a-BrTIFY8b | 0.3280 | 0.1149 | 0.3502 | WGD/segmental | Yes | 3.8 |
| BrTIFY9a-BrTIFY9b | 0.2670 | 0.1181 | 0.4424 | WGD/segmental | Yes | 3.94 |
| BrTIFY9a-BrTIFY9c | 0.2664 | 0.1243 | 0.4665 | WGD/segmental | Yes | 4.14 |
| BrTIFY9b-BrTIFY9c | 0.4229 | 0.0751 | 0.1776 | WGD/segmental | Yes | 2.5 |
| BrTIFY10a-BrTIFY10b | 0.3287 | 0.1687 | 0.5132 | WGD/segmental | Yes | 5.6 |
| BrTIFY10a-BrTIFY10c | 0.3808 | 0.1834 | 0.4816 | WGD/segmental | Yes | 6.1 |
| BrTIFY10b-BrTIFY10c | 0.4192 | 0.1560 | 0.3722 | WGD/segmental | Yes | 5.2 |
| BrTIFY10d-BrTIFY10e | 0.3216 | 0.0995 | 0.3092 | WGD/segmental | Yes | 3.31 |
| BrTIFY10d-BrTIFY10f | 0.2887 | 0.0951 | 0.3295 | WGD/segmental | Yes | 3.17 |
| BrTIFY11a-BrTIFY11b | 0.4500 | 0.1840 | 0.4088 | WGD/segmental | Yes | 6.13 |
| BrTIFY11c-BrTIFY11e | 0.3774 | 0.1771 | 0.4692 | WGD/segmental | Yes | 5.9 |
Ka, non-synonymous substitution rate; Ks, synonymous substitution rate; MYA, Million years ago.