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Table 2 Gene feature length, polymorphism and divergence in males for genes with high, average and low levels of expression

From: Genomic analysis of the relationship between gene expression variation and DNA polymorphism in Drosophila simulans

  Low Average High Tukey's HSD summary* X 2 p-value
Number of genes 2,073 4,167 1,709    
Length       
   EXON 1,874 1,747 1,225 L>A>H 306.91 ***
   5'UTR 282 240 207 L>A>H 16.62 0.0002
   Intron 3,644 2,521 1,450 L>A>H 7.11 0.0286
   Number of introns 3.86 3.75 2.88 L=A>H 63.89 ***
   3'UTR 503 380 338 L>A>H 77.77 ***
Polymorphism       
   CPR 0.0277 0.0295 0.0290 L=A=H 13.40 0.0012
   5'UTR 0.0114 0.0116 0.0097 L=A>H 24.01 ***
   Nonsynonymous 0.0029 0.0023 0.0016 L>A>H 245.83 ***
   Synonymous 0.0335 0.0322 0.0277 L>A>H 86.68 ***
   First intron 0.0290 0.0276 0.0263 L≥A≥H 7.58 0.0226
   All introns 0.0317 0.0301 0.0284 L≥A≥H 9.52 0.0086
   3'UTR 0.0131 0.0122 0.0109 L=A>H 41.23 ***
Divergence       
   CPR 0.0493 0.0533 0.0528 A=H>L 19.77 ***
   5'UTR 0.0225 0.0232 0.0208 A≥L≥H 12.66 0.0018
   Nonsynonymous 0.0066 0.0060 0.0047 L>A>H 155.62 ***
   Synonymous 0.0524 0.0543 0.0494 A≥L≥H 35.69 ***
   First intron 0.0475 0.0463 0.0433 L=A>H 7.79 0.0203
   All introns 0.0483 0.0492 0.0462 A≥L≥H 7.06 0.0293
   3'UTR 0.0237 0.0225 0.0204 L=A>H 22.83 ***
  1. *L, low expression; A, average expression; H, high expression (see Materials and methods). X2 and p-values derived from Kruskal Wallis; three asterisks denote p-value < 0.0001. Divergence refers to lineage specific divergence along the D. simulans branch.