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Table 4 Results of Fisher’s exact test

From: Impact of recurrent gene duplication on adaptation of plant genomes

 

Number of clusters

Number of codons

Number of branches

Cluster size

UP under/not under positive selection

SO under/not under positive selection

p-value Fisher’s exact testa

UP under/not under positive selection

SO under/not under positive selection

p-value Fisher’s exact testa

UP under/not under positive selection

SO under/not under positive selection

p-value Fisher’s exact testa

4

1/48

0/3

1

2/22,821

0/1,467

1

9/210

0/15

1

5

4/102

0/12

1

16/51,017

0/4,187

0.62

51/483

0/84

8.78E-04*

6

24/474

0/487

9.27E-08***

66/210,761

0/191,533

2.20E-16***

184/3,456

6/4,329

2.20E-16***

7

15/280

0/405

1.90E-06***

43/127,403

0/163,947

3.59E-16***

136/2,299

8/4,378

2.20E-16***

8

4/178

0/293

0.02

24/81,803

0/110,494

1.24E-09***

117/1,430

5/3,744

2.20E-16***

9

7/108

0/144

3.07E-03

19/49,429

0/57,346

4.42E-07***

69/1,110

7/2,085

2.20E-16***

10

4/73

0/26

0.57

14/36,324

0/10,298

0.05

76/714

1/425

6.03E-14***

  1. The table contains the results of Fisher’s exact test for number of clusters, codons, and branches under positive selection vs. not under positive selection in UP and SO clusters for different cluster size categories.
  2. aBonferroni corrected for multiple testing.
  3. *p < 2.38E-03, ***p < 4.76E-05.