Table 2 Ka/Ks analysis and estimate of the absolute dates for the duplication events between the duplicated OsOPT genes
Duplicated pair | Ka | Ks | Ka/Ks | Date (million years) | Duplicate type | Purifying selection |
|---|---|---|---|---|---|---|
OsYSL15/OsYSL2 | 0.1546 | 0.9061 | 0.1706 | 69.70 | Tandem | Yes |
OsYSL16/OsYSL15 | 0.1679 | 0.8115 | 0.2069 | 62.42 | Segmental | Yes |
OsYSL9/OsYSL2 | 0.1955 | 0.9902 | 0.1974 | 76.16 | Segmental | Yes |
OsYSL12/OsYSL13 | 0.3304 | 0.1368 | 2.4152 | 10.52 | Tandem | No |
OsOPT4/OsOPT3 | 0.1139 | 0.6271 | 0.1816 | 48.23 | Tandem | Yes |
OsOPT4/OsOPT2 | 0.0791 | 0.5929 | 0.1334 | 45.60 | Tandem | Yes |
OsOPT6/OsOPT8 | 0.5302 | 0.2936 | 1.8058 | 22.58 | Segmental | No |