Table 4 The best fitted model of the nine tandem duplicates
Gene pair | ABCA | ABCB | ABCC | ABCG | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | ABCA15 | ABCA16 | ABCA17 | ABCA18 | ABCB1 | ABCB2 | ABCB10 | ABCB11 | ABCB17 | ABCB18 | ABCC10 | ABCC11 | ABCC52 | ABCC54 | ABCG23 | ABCG24 | ABCG31 | ABCG32 |
Taxon state | 3 | 1 | 3 | 3 | 1 | 3 | 1 | 1 | 3 | 3 | 3 | 2 | 3 | 2 | 1 | 1 | 0 | 0 |
Ancestral state | 3 | 3 | 1 or 3 | 1 | 3 | 2 | 3 | 1 | 0 | |||||||||
Ks | 0.62 | 1.71 | 0.80 | 1.41 | 2.05 | 1.31 | 1.64 | 0.20 | 1.49 | |||||||||
Ka/Ks | 0.16 | 0.22 | 0.16 | 0.39 | 0.20 | 0.16 | 0.13 | 0.29 | 0.17 | |||||||||
Possible heterodimer | N | N | N | Y | N | N | N | Y | N | |||||||||
Induced by toxin | N | N | N | N | N | N | N | N | Y (DDT) | N | N | N | N | N | N | N | N | N |
Positive selection sites | 31 | 26 | 0 | 0 | 2 | 9 | 2 | 4 | 0 | |||||||||
Best model | neofunctionalization | neofunctionalization | subfunctionalization | dosage balance | neofunctionalization | neofunctionalization | uncertain model | dosage balance | pseudogenization | |||||||||