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Table 1 Detection of positive selection under site-specific models for each Hsf OGC in grasses

From: Adaptive evolution and divergent expression of heat stress transcription factors in grasses

Group

N

d N d /S (ω) under M0

2Δl, M3 vs. M0

2Δl, M8 vs. M7

2Δl, M8 vs. M8a

Parameter estimates under M8

Positively selected sites

OGC1

5

0.123

191.391**

1.338

0.183

p1 = 0.055, ω = 1.390

NAN

β (p = 0.241, q = 1.419)

OGC2

5

0.206

83.026**

0.523

0.457

p1 = 0.020, ω = 1.975

NAN

β (p = 0.185, q = 0.603)

OGC3

4

0.110

65.437**

2.351

0.492

p1 = 0.028, ω = 2.014

NAN

β (p = 0.537, q = 3.962)

OGC4

5

0.192

76.604**

0.239

0.109

p1 = 0.023, ω = 1.370

NAN

β (p = 0.326, q = 1.243)

OGC5

5

0.198

26.238**

0.862

0.004

p1 = 0.085, ω = 1.000

NAN

β (p = 1.347, q = 7.418)

OGC6

6

0.178

84.498**

3.501

0.003

p1 = 0.117, ω = 1.027

NAN

β (p = 0.940, q = 8.351)

OGC7

6

0.337

140.949**

8.727*

5.12*

p1 = 0.009, ω = 11.123

38

β (p = 0.190, q = 0.316)

OGC8

5

0.183

97.577**

1.989

0.007

p1 = 0.156, ω = 1.000

NAN

β (p = 1.149, q = 10.522)

OGC9

5

0.235

41.245**

1.071

0.001

p1 = 0.151, ω = 1.000

NAN

β (p = 1.903, q = 11.514)

OGC10

6

0.277

314.163**

52.857**

139.556**

p1 = 0.079, ω = 4.552

20

β (p = 0.400, q = 1.083)

OGC11

6

0.168

182.994**

14.431**

4.237*

p1 = 0.078, ω = 2.082

13

β (p = 0.602, q = 3.348)

OGC12

6

0.368

77.073**

4.035

3.677*

p1 = 0.031, ω = 3.219

NAN

β (p = 0.422, q = 0.646)

OGC13

4

0.133

93.493**

8.310*

8.071**

p1 = 0.069, ω = 320.489

9

β (p = 0.354, q = 2.050)

OGC14

4

0.120

99.704**

13.741**

8.671**

p1 = 0.053, ω = 9.450

11

β (p = 0.287, q = 2.201)

OGC15

5

0.119

117.726**

21.549**

4.377*

p1 = 0.073, ω = 1.958

10

β (p = 1.077, q = 15.385)

OGC16

6

0.230

573.126**

53.223**

39.550**

p1 = 0.176, ω = 3.966

46

β (p = 0.204, q = 0.983)

OGC17

5

0.322

246.893**

27.006**

12.428**

p1 = 0.170, ω = 1.950

42

β (p = 0.729, q = 3.471)

OGC18

6

0.159

236.693**

20.455**

13.897**

p1 = 0.396, ω = 25.830

12

β (p = 0.256, q = 1.140)

OGC19

5

0.155

106.439**

3.222

1.025

p1 = 0.036, ω = 2.148

NAN

β (p = 0.574, q = 2.971)

OGC20

5

0.114

86.676**

31.524**

19.449**

p1 = 0.021, ω = 51.561

9

β (p = 0.781, q = 6.181)

OGC21

4

0.153

39.035**

6.435*

0.217

p1 = 0.075, ω = 1.257

NAN

β (p = 2.719, q = 22.603)

OGC22

6

0.093

170.968**

6.102*

1.504

p1 = 0.018, ω = 3.010

NAN

β (p = 0.370, q = 3.227)

OGC23

5

0.120

170.766**

7.271*

4.569*

p1 = 0.019, ω = 10.451

9

β (p = 0.153, q = 0.828)

OGC24

5

0.147

196.562**

11.410**

1.287

p1 = 0.204, ω = 1.236

NAN

β (p = 3.990, q = 99.000)

  1. *Indicates significant at 0.05 level, while ** means significant at 0.01 level.