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Table 2 Regions of selection in pairwise comparisons of maize CenpcA, Sorghum bicolor Cenpc, and sugarcane Cenpc1

From: Adaptive evolution of centromere proteins in plants and animals

Exons Direction of selection Maize vs. Sorghum Maize vs. sugarcane Sorghum vs. sugarcane
1 + 12-44 12-44 1-42
   + + (0.17) + (0.04)
1-5 - 34-165 23-176 87-163
   - - -
4-6 + 155-253 166-253 153-317
   + + +
6 *   232-286  
    -  
6 - 298-363 298-363 298-352
   - - - (0.13)
6 + 353-409 342-407 397-431
   + + + (0.06)
6-12 - 410-621 397-630 432-579
   - - -
12-14 * 611-687 609-685 591-700
   + + -
  1. +, Ka > Ks; -, Ka < Ks; p ≤ 0.01 except where given in parentheses. * Direction of selection varies with lineage. Regions of selection are identified by codon positions based on the sequence of maize CenpcA.