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Type: Journal article
Title: Mitochondrial gene rearrangements as phylogenetic characters in the invertebrates: the examination of genome 'morphology'
Author: Dowton, M.
Castro, L.
Austin, A.
Citation: Invertebrate Systematics, 2002; 16(3):345-356
Publisher: C S I R O Publishing
Issue Date: 2002
ISSN: 1445-5226
Statement of
Dowton M, Castro LR, Austin AD
Abstract: Mitochondrial gene rearrangements are the latest tool in the arsenal of phylogeneticists for investigating historical relationships. They are complex molecular characters that may provide more reliable evidence of ancestry than comparative molecular data. Here we review the phylogenetic utility of mitochondrial gene rearrangements, and find that despite isolated incidences of convergence, derived gene order appears highly congruent with phylogenies produced from other sources of data. We calculate that the chance of two mitochondrial genomes sharing the same derived genome organisation is only 1/2664, but caution that this ignores the possibility that the (as yet uncharacterised) gene rearrangement mechanism may greatly increase the chance of convergence. Broader taxonomic surveys of mitochondrial genome organisation will lead to a more realistic indication of the historical incidence of convergence in genome organisation.
Keywords: inversion, mitochondria, phylogeny, recombination, transfer RNA, translocation
Description: © CSIRO 2002
RMID: 0020022184
DOI: 10.1071/IS02003
Appears in Collections:Ecology, Evolution and Landscape Science publications
Environment Institute Leaders publications

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