Table 2 Ka/Ks analysis for the duplicated FAD gene pairs of G. hirsutum.

From: Genome-wide identification of membrane-bound fatty acid desaturase genes in Gossypium hirsutum and their expressions during abiotic stress

Duplicated gene 1

Duplicated gene 2

ka

Ks

ka/ks

Purifying selection

Duplicated type

GhFAD8.1A

GhFAD8.1D

0.011

0.056

0.199

Yes

Segmental

GhFAD8.2D

GhFAD8.2A

0.014

0.021

0.670

Yes

Segmental

GhFAD3.1A

GhFAD3.1D

0.002

0.016

0.139

Yes

Segmental

GhFAD3.3A

GhFAD3.3D

0.010

0.032

0.320

Yes

Segmental

GhFAD2.3A

GhFAD2.3D

0.006

0.045

0.128

Yes

Segmental

GhFAD6D

GhFAD6A

0.003

0.028

0.104

Yes

Segmental

GhSLD2A

GhSLD2D

0.006

0.028

0.206

Yes

Segmental

GhSLD3A

GhSLD3D

0.007

0.039

0.174

Yes

Segmental

GhSLD1A

GhSLD1D

0.013

0.034

0.382

Yes

Segmental

GhSLD4A

GhSLD4D

0.001

0.024

0.043

Yes

Segmental

GhSLD5D

GhSLD5A

0.005

0.014

0.356

Yes

Segmental

GhDSD1.1A

GhDSD1.1D

0.007

0.033

0.212

Yes

Segmental

GhDSD1.2A

GhDSD1.2D

0.004

0.054

0.074

Yes

Segmental