Table 2 Calculation of Ka/Ks and the divergence time of the duplicated COL gene pairs in Chinese cabbage and Arabidopsis.

From: Comprehensive analysis of the flowering genes in Chinese cabbage and examination of evolutionary pattern of CO-like genes in plant kingdom

Duplicated gene pairs

Ka

Ks

Ka/Ks

P-Value(Fisher)

Duplication type

Purify selection

Time (MYA)

BraCOL2-BraCOL1a

0.24

0.63

0.37

1.01E–09

WGD or segmental

Yes

21.14

BraCOL9b-BraCOL9c

0.05

0.25

0.18

6.68E–14

WGD or segmental

Yes

8.49

BraCOL6b-BraCOL6a

0.12

0.40

0.30

1.39E–13

WGD or segmental

Yes

13.23

BraCOL9c-BraCOL9a

0.04

0.41

0.10

1.18E–28

WGD or segmental

Yes

13.79

BraCOL4b-BraCOL4a

0.05

0.34

0.14

1.26E–21

WGD or segmental

Yes

11.39

BraCOL16b-BraCOL7

0.20

0.38

0.54

8.07E–05

WGD or segmental

Yes

12.63

BraCOL16b-BraCOL16a

0.08

0.36

0.22

1.81E–17

WGD or segmental

Yes

11.97

BraCOL15a-BraCOL15b

0.12

0.34

0.35

1.34E–23

WGD or segmental

Yes

11.33

AthCOL2-AthCO

0.17

0.61

0.29

1.23E–15

WGD or segmental

Yes

20.33

AthCOL9-AthCOL10

0.18

0.87

0.21

3.35E–27

WGD or segmental

Yes

28.88

AthCOL2-BraCOL2

0.11

0.31

0.34

2.67E–08

WGD or segmental

Yes

10.37

AthCOL2-BraCOL1b

0.25

0.70

0.35

5.92E–12

WGD or segmental

Yes

23.4

AthCOL11-BraCOL12

0.28

0.90

0.31

1.38E–15

WGD or segmental

Yes

30.04

AthCO-BraCOL2

0.21

0.69

0.30

4.81E–14

WGD or segmental

Yes

23.17

AthCOL10-BraCOL10b

0.10

0.52

0.19

1.11E–22

WGD or segmental

Yes

17.29

AthCOL10-BraCOL10a

0.12

0.61

0.20

1.24E–23

WGD or segmental

Yes

20.38

AthCOL4-BraCOL4a

0.04

0.79

0.05

3.84E–56

WGD or segmental

Yes

26.21

AthCOL6-BraCOL6b

0.12

0.40

0.30

5.03E–13

WGD or segmental

Yes

13.46

AthCOL8-BraCOL8

0.15

0.35

0.43

7.58E–06

WGD or segmental

Yes

11.52

AthCOL6-BraCOL6a

0.10

0.37

0.27

2.03E–14

WGD or segmental

Yes

12.38

AthCOL16-BraCOL7

0.23

0.66

0.35

7.07E–14

WGD or segmental

Yes

21.9

AthCOL15-BraCOL15a

0.16

0.73

0.23

5.14E–26

WGD or segmental

Yes

24.24

AthCOL16-BraCOL16a

0.08

0.46

0.18

4.96E–25

WGD or segmental

Yes

15.3

AthCOL9-BraCOL9b

0.07

0.39

0.18

9.26E–20

WGD or segmental

Yes

12.85

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