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Table 3 Evolutionary distances between paralogs and orthologs in non-coding and coding regions

From: Molecular population genetics and gene expression analysis of duplicated CBF genes of Arabidopsis thaliana

Region K KS Ka Ka/KS
Promoters a (paralogs)   N.A N.A N.A
CBF1 vs. CBF2 0.448 ± 0.043    
CBF2 vs. CBF3 0.360 ± 0.035    
CBF1 vs. CBF3 0.501 ± 0.045    
UTRb (paralogs)     
CBF1 vs. CBF2 0.212 ± 0.041    
CBF2 vs. CBF3 0.156 ± 0.033    
CBF1 vs. CBF3 0.266 ± 0.047    
CDS (paralogs) N.A.    
CBF1 vs. CBF2   0.408 ± 0.069 0.062 ± 0.012 0.152
CBF2 vs. CBF3   0.462 ± 0.078 0.068 ± 0.014 0.147
CBF1 vs. CBF3   0.546 ± 0.093 0.064 ± 0.013 0.117
CBF1 vs. CBF4   1.478 ± 0.451 0.216 ± 0.031 0.146
CBF2 vs. CBF4   1.728 ± 0.654 0.233 ± 0.032 0.135
CBF3 vs. CBF4   1.456 ± 0.431 0.232 ± 0.030 0.159
CDS (orthologsc)     
AtCBF2 vs. AlCBF2   0.340 ± 0.059 0.048 ± 0.012 0.141
AtCBF3 vs. AlCBF3   0.284 ± 0.056 0.045 ± 0.011 0.158
  1. a Regions containing 500 bp upstream from the transcriptional unit (TU) were analyzed; K, average sequence distance between promoter regions of CBFs; b the 5' and 3' untranslated regions (UTRs) were analyzed; Ks, average distance between CBFs estimated using synonymous sites; Ka, average distance between CBFs estimated using nonsynonymous sites; N.A., not allowed. c AlCBF2 (accession nos.: EF523193~EF523195) and AlCBF3 (accession no.: EF523196).