Increased genetic diversity in mitochondrial genes is correlated with the evolution of parasitism in the Hymenoptera

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dc.contributor.authorDowton, M.
dc.contributor.authorAustin, A.
dc.date.issued1995
dc.description.abstractA higher AT content and rate of mtDNA sequence divergence was found in parasitic wasps (Apocrita) compared with nonparasitic wasps (Symphyta). The compositional bias was reflected in extreme codon bias for a cytochrome oxidase I protein coding gene fragment as well as in the types of amino acid substitutions that have occurred during the evolution of this gene fragment. In some instances, compositional bias influenced the definition of a conservative amino acid change. The increased rate of mtDNA sequence evolution probably arose during the early Jurassic, coincident with the first appearance of parasitic wasps in the fossil record. Our results suggest a causal link between the rate of sequence divergence and the parasitic lifestyle.
dc.identifier.citationJournal of Molecular Evolution, 1995; 41(6):958-965
dc.identifier.doi10.1007/BF00173176
dc.identifier.issn0022-2844
dc.identifier.issn1432-1432
dc.identifier.urihttp://hdl.handle.net/2440/27887
dc.language.isoen
dc.publisherSpringer International
dc.source.urihttp://www.springerlink.com/content/g7055778v1322g08/
dc.subjectGenetic distance
dc.subjectParasitism
dc.subjectGenetic diversity
dc.subjectCytochrome oxidase I
dc.subject16S rRNA
dc.titleIncreased genetic diversity in mitochondrial genes is correlated with the evolution of parasitism in the Hymenoptera
dc.typeJournal article
pubs.publication-statusPublished

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