Journal
BIOLOGY LETTERS
Volume 12, Issue 8, Pages -Publisher
ROYAL SOC
DOI: 10.1098/rsbl.2016.0407
Keywords
genome size; phylogenetic inertia; transposable elements; flies
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Funding
- CNRS-APEGE
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While the evolutionary mechanisms driving eukaryote genome size evolution are still debated, repeated element content appears to be crucial. Here, we reconstructed the phylogeny and identified repeats in the genome of 26 Drosophila exhibiting a twofold variation in genome size. The content in transposable elements (TEs) is highly correlated to genome size evolution among these closely related species. We detected a strong phylogenetic signal on the evolution of both genome size and TE content, and a genome contraction in the Drosophila melanogaster subgroup.
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