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Mitochondrial DNA variants in Drosophila melanogaster are expressed at the level of the organismal phenotype

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<mark>Journal publication date</mark>09/2011
<mark>Journal</mark>Mitochondrion
Issue number5
Volume11
Number of pages8
Pages (from-to)756-763
Publication statusPublished
Original languageEnglish

Abstract

A plethora of experimental studies use mtDNA as a marker of demographic processes without questioning the possibility that selection may bias their interpretations. We studied four lines of Drosophila melanogaster that have a standardized nuclear DNA but variable mtDNA. We completed the sequencing of the mitochondrial genomes (excluding the A + T rich region) and compiled the differences. We then assayed male influence on oviposition, starvation resistance, lipid proportion and physical activity. We discuss these results in terms of the known differences between the lines and conclude that naturally occurring mtDNA variants in D. melanogaster are expressed at the level of the organismal phenotype. (C) 2011 Elsevier B.V. and Mitochondria Research Society. All rights reserved.