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Table 2 Positively selected genes of the entire clade of birds based on the clade model C

From: Widespread nocturnality of living birds stemming from their common ancestor

Genes

Parameter estimates

2∆L

df

P-value

CNGA1

p0 = 0.903 p1 = 0.086 p2 = 0.010

17.88

1

2.350E-05

ω0 = 0.041 ω1 = 1.000 ω2 = 2.231

CNGB3

p0 = 0.808 p1 = 0.187 p2 = 0.004

9.80

1

0.001

ω0 = 0.052 ω1 = 1.000 ω2 = 5.094

PDE6B

p0 = 0.933 p1 = 0.063 p2 = 0.002

4.56

1

0.032

ω0 = 0.036 ω1 = 1.000 ω2 = 2.620

PDE6C

p0 = 0.851 p1 = 0.136 p2 = 0.011

38.37

1

5.845E-10

ω0 = 0.048 ω1 = 1.000 ω2 = 3.145

SAG

p0 = 0.806 p1 = 0.177 p2 = 0.015

24.06

1

9.336E-07

ω0 = 0.077 ω1 = 1.000 ω2 = 2.621

SLC24A1

p0 = 0.737 p1 = 0.249 p2 = 0.013

19.75

1

8.816E-06

ω0 = 0.050 ω1 = 1.000 ω2 = 4.065

SLC24A2

p0 = 0.782 p1 = 0.193 p2 = 0.024

13.68

1

0.000

ω0 = 0.051 ω1 = 1.000 ω2 = 2.917

  1. 2∆L: twice the difference of likelihood values between two nested models; df: degrees of freedom; p: proportion of sites in different site classes (p0, p1 and p2)