Phylogenomics resolves the timing and pattern of insect evolution

  • Misof B
  • et al.
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nsects are the most speciose group of animals, but the phylogenetic relationships of many major lineages remain unresolved.We inferred the phylogeny of insects from 1478 protein-coding genes. Phylogenomic analyses of nucleotide and amino acid sequences, with site-specific nucleotide or domain-specific amino acid substitution models, produced statistically robust and congruent results resolving previously controversial phylogenetic relationships.We dated the origin of insects to the Early Ordovician [~479 million years ago (Ma)], of insect flight to the Early Devonian (~406 Ma), of major extant lineages to the Mississippian (~345 Ma), and the major diversification of holometabolous insects to the Early Cretaceous. Our phylogenomic study provides a comprehensive reliable scaffold for future comparative analyses of evolutionary innovations among insects.

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  • Familial longevity
  • Functional status
  • Human
  • IGF-1 axis
  • Survival

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  • B. Misof

  • et al.

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