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dc.contributor.authorTimmermans, MJTN
dc.contributor.authorBarton, C
dc.contributor.authorHaran, J
dc.contributor.authorAhrens, D
dc.contributor.authorCulverwell, CL
dc.contributor.authorOllikainen, A
dc.contributor.authorDodsworth, S
dc.contributor.authorFoster, PG
dc.contributor.authorBocak, L
dc.contributor.authorVogler, AP
dc.identifier.citationMartijn J. T. N. Timmermans, Christopher Barton, Julien Haran, Dirk Ahrens, C. Lorna Culverwell, Alison Ollikainen, Steven Dodsworth, Peter G. Foster, Ladislav Bocak, Alfried P. Vogler, Family-Level Sampling of Mitochondrial Genomes in Coleoptera: Compositional Heterogeneity and Phylogenetics, Genome Biology and Evolution, Volume 8, Issue 1, January 2016, Pages 161–175,
dc.description.abstractMitochondrial genomes are readily sequenced with recent technology and thus evolutionary lineages can be densely sampled. This permits better phylogenetic estimates and assessment of potential biases resulting from heterogeneity in nucleotide composition and rate of change. We gathered 245 mitochondrial sequences for the Coleoptera representing all 4 suborders, 15 superfamilies of Polyphaga, and altogether 97 families, including 159 newly sequenced full or partial mitogenomes. Compositional heterogeneity greatly affected 3rd codon positions, and to a lesser extent the 1st and 2nd positions, even after RY coding. Heterogeneity also affected the encoded protein sequence, in particular in the nad2 , nad4 , nad5 , and nad6 genes. Credible tree topologies were obtained with the nhPhyML (“nonhomogeneous”) algorithm implementing a model for branch-specific equilibrium frequencies. Likelihood searches using RAxML were improved by data partitioning by gene and codon position. Finally, the PhyloBayes software, which allows different substitution processes for amino acid replacement at various sites, produced a tree that best matched known higher level taxa and defined basal relationships in Coleoptera. After rooting with Neuropterida outgroups, suborder relationships were resolved as (Polyphaga (Myxophaga (Archostemata + Adephaga))). The infraorder relationships in Polyphaga were (Scirtiformia (Elateriformia ((Staphyliniformia + Scarabaeiformia) (Bostrichiformia (Cucujiformia))))). Polyphagan superfamilies were recovered as monophyla except Staphylinoidea (paraphyletic for Scarabaeiformia) and Cucujoidea, which can no longer be considered a valid taxon. The study shows that, although compositional heterogeneity is not universal, it cannot be eliminated for some mitochondrial genes, but dense taxon sampling and the use of appropriate Bayesian analyses can still produce robust phylogenetic trees.en_US
dc.publisherOxford University Pressen_US
dc.titleFamily-Level Sampling of Mitochondrial Genomes in Coleoptera: Compositional Heterogeneity and Phylogeneticsen_US
dc.typeJournal Articleen_US
dc.identifier.journalGenome Biology and Evolutionen_US
dc.identifier.startpage161 - 175en_US
dc.internal.reviewer-noteGenome Biology and Evolutionen
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pubs.organisational-group/Natural History Museum/Science Group/Initiatives/Biodiversity
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dc.embargoNot knownen_US
elements.import.authorTimmermans, MJTNen_US
elements.import.authorBarton, Cen_US
elements.import.authorHaran, Jen_US
elements.import.authorAhrens, Den_US
elements.import.authorCulverwell, CLen_US
elements.import.authorOllikainen, Aen_US
elements.import.authorDodsworth, Sen_US
elements.import.authorFoster, PGen_US
elements.import.authorBocak, Len_US
elements.import.authorVogler, APen_US
dc.description.nhm© The Author(s) 2015. Published by Oxford University Press on behalf of the Society for Molecular Biology and Evolution. This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (, which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact The attached file is the published version of the article.en_US
dc.subject.nhmlong-range PCRen_US
dc.subject.nhmrogue taxaen_US
dc.subject.nhmRY codingen_US
dc.subject.nhmmixture modelsen_US

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