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Table 4 Selection on numit RPS13 in seven rosid species.

From: Molecular adaptation and expression evolution following duplication of genes for organellar ribosomal protein S13 in rosids

Taxon Purifying Selection (%, Ka/Ks < 1)a Neutral Evolution (%, Ka/Ks = 1)a Positive Selection (%, Ka/Ks > 1)a M1-MAtest1 comparison MAtest2-MAtest1 comparison Selected positive sites
2δL P Value 2δL P Value
Malus 65 28 7 (120.33)b 1.7396 0.4190 1.2140 0.2705 31H, 32Q, 117R
Citrus 65 30 5 (154.19) 4.3230 0.1152 3.9182 0.0478 c 50K, 92H
Glycine 67 33 0 0 1 0 1 35C
Medicago 67 33 0 0 1 0 1 None
Gossypium 64 36 0 0.6314 0.7293 0.0024 0.9609 108K
Populus 66 30 4 (18.05) 3.6624 0.1603 3.4746 0.0623 39I, 88S, 102S
Arabidopsis 52 48 0 6.1770 0.0456 0 1 18G, 36H, 60G, 83D
  1. aEstimated using MAtest1.
  2. bBracket indicates Ka/Ks ratio. If Ka/Ks ratio is close to one for the third and fourth class of MAtest1 without statistical support to be greater than one, it will be counted into the category of neutral evolution.
  3. cBoldface indicates a statistically significant difference (P < 0.05).