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Revisiting horizontal transfer of transposable elements in Drosophila.

Authors
Type
Published Article
Journal
Heredity
0018-067X
Publisher
Nature Publishing Group
Publication Date
Volume
100
Issue
6
Pages
545–554
Identifiers
DOI: 10.1038/sj.hdy.6801094
PMID: 18431403
Source
Medline
License
Unknown

Abstract

Horizontal transfer (HT), defined as the transfer of genetic material between species, is considered to be an essential step in the 'life cycle' of transposable elements. We present a broad overview of suspected cases of HT of transposable elements in Drosophila. Hundred-one putative events of HT have been proposed in Drosophila for 21 different elements (5.0% refer to non-long terminal repeat (LTR) retrotransposons, 42.6% to LTR retrotransposons and 52.4% to DNA transposons). We discuss the methods used to infer HT, their limits and the putative vectors of transposable elements. We outline all the alternative hypotheses and ask how we can be almost certain that phylogenetic inconsistencies are due to HT.

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