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*** |