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Table 2 Overview of the comparison of the OXPHOS genes

From: The nuclear OXPHOS genes in insecta: a common evolutionary origin, a common cis-regulatory motif, a common destiny for gene duplicates

Species Dros * Agam Aaeg Bmor Amel Tcas Fugu Zebra fish Human
  Orthologous genes
No of genes 68 68 68 68 63 67 68 68 68
One exon genes 8 10 7 6 3 9 0 0 0
No of exons§ 191 183 189 257 235 198 368 369 369
No of introns§ 122 114 119 187 171 129 300 301 301
No of introns§ per gene 2.0 1.9 1.8 3.0 2.7 2.2 4.4 4.4 4.4
Av. intron size (bp) 173 199 3503 748 204 332 350 1181 2994
  Gene duplicates
Duplication events 34 8 4 7 2 3 25 22 24
One exon genes 121 3 2 3 0 2 0 0 4
  1. *Dros. indicates the 11 Drosophilidae species. § Only coding exons and introns between coding exons are considered. Species abbreviations as in Figure 1.