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Table 1 A list of Embryophyte gene families with high Ka/Ks values detected using whole gene averaging is shown. The p- value and expected rate of false positive detection given multiple tests per detected branch hypothesis (Bon*) are shown as a measure of statistical significance. Statistical significance is measured against simulated proteins evolved according to measured parameters rather than against evolved pseudogenes evolving neutrally at the amino acid level (as is sometimes used as a null model in evolutionary studies). The null distribution is therefore centered at 0.21 rather than 1.0.

From: A systematic search for positive selection in higher plants (Embryophytes)

Fam- Nr. Description Size Ka Ks Ka/Ks p- value Bon*
136 Self incompatibility protein/S8-RNase 70 0.09 0.07 1.18 ± 0.02 <10e - 4 <0.5
    0.07 0.07 1.04 ± 0.01 <10e - 4 <0.5
    0.07 0.06 1.20 ± 0.02 <10e - 4 <0.5
    0.09 0.08 1.10 ± 0.05 <10e - 4 <0.5
172 chitinase III 60 0.15 0.14 1.08 ± 0.01 <10e - 4 <1
218 Cystein proteinase IV 106 0.16 0.15 1.05 ± 0.01 <10e - 4 1
266 Xet2 58 0.10 0.10 1.02 ± 0.01 <10e - 4 <1
401 phytochrome A 637 0.06 0.05 1.12 ± 0.01 <10e - 4 <0.5
667 flowerspecific gamma thionin 7 0.17 0.13 1.29 ± 0.03 <10e - 4 <0.5
678 Metallocarboxypeptidase inhibitor 3 0.09 0.08 1.12 ± 0.03 <10e - 3 <0.5
943 serine/threonine kinase 11 0.11 0.07 1.57 ± 0.02 <10e - 5 <0.5
1138 cytochrome P450 like 26 0.23 0.22 1.06 ± 0.01 <10e - 4 <0.5
1833 pollen coat Protein 6 0.28 0.18 1.52 ± 0.06 <10e - 4 <0.1
    0.32 0.20 1.63 ± 0.05 <10e - 4 <0.1
2453 mannose binding lectin 2 0.58 0.10 5.93 ± 0.28 <10e - 4 <0.5
2461 lectin/alpha -amylase inhibitor 98 - - 12 values - -
2625 putative lipid transfer protein 24 0.26 0.21 1.26 ± 0.03 <10e - 4 <0.5
2687 R- protein 11 0.08 0.05 1.60 ± 0.04 <10e - 4 <0.5
3078 Ferredoxin 2 0.60 0.08 7.21 ± 0.47 <10e - 4 <0.5
3182 AsThi5 13 0.12 0.10 1.21 ± 0.02 <10e - 4 <0.5
    0.24 0.18 1.30 ± 0.03 <10e - 4 <0.5
3384 lipid transfer protein 96 0.09 0.08 1.04 ± 0.02 <10e - 4 <1.0
    0.16 0.09 1.43 ± 0.03 <10e - 4 <0.5
3677 Dof zinc finger transcription factor 2 0.17 0.15 1.14 ± 0.06 <10e - 5 <0.5
4479 S- locus Protein 16 - - 11 values - -
5925 CCD1 2 0.35 0.33 1.08 ± 0.08 <10e - 4 <1.0
6716 beta- type phaseolin 13 0.07 0.06 1.21 ± 0.01 <10e - 5 <0.5
7274 Cystatin proteinase inhibitor 20 0.10 0.10 1.05 ± 0.02 <10e - 4 <1.0
7671 Beta expansins 31 0.18 0.15 1.21 ± 0.01 <10e - 5 <0.5
8102 Cathepsin D inhibitor 3 0.11 0.11 1.03 ± 0.01 <10e - 4 <0.5
8641 self incompatibility ribonuclease 139 - - 25 values - -
9033 S- locus F- box protein 6 0.07 0.05 1.32 ± 0.01 <10e - 5 <0.5
9104 trypsin inhibitor 7 0.09 0.05 1.76 ± 0.02 <10e - 5 <0.5
    0.13 0.12 1.05 ± 0.01 <10e - 4 <0.5
9154 LEA3 8 0.18 0.16 1.12 ± 0.02 <10e - 4 <0.5
16358 TIM23 2 0.34 0.30 1.12 ± 0.07 <10e - 4 <0.5
19762 seed maturation protein PM29 2 0.38 0.20 1.91 ± 0.09 <10e - 4 <0.1
34672 BudCAR6 2 0.29 0.25 1.15 ± 0.06 <10e - 4 <0.5
41180 serine/threonine kinase 28 0.09 0.09 1.10 ± 0.01 <10e - 5 <0.5
42513 LEA, cold response 2 0.44 0.25 1.78 ± 0.07 <10e - 4 <0.5
55717 putative transport protein SEC61 2 0.18 0.16 1.09 ± 0.07 <10e - 3 <1