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| Home > Publications database > Phylogenomics resolves the timing and pattern of insect evolution |
| Home > Publications database > Phylogenomics resolves the timing and pattern of insect evolution |
| Journal Article | PUBDB-2014-04151 |
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2014
American Association for the Advancement of Science16205
Washington, DC [u.a.]
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Please use a persistent id in citations: doi:10.1126/science.1257570
Abstract: Insects 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 relations hips. 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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