Journal
MOLECULAR BIOLOGY AND EVOLUTION
Volume 17, Issue 6, Pages 908-914Publisher
SOC MOLECULAR BIOLOGY EVOLUTION
DOI: 10.1093/oxfordjournals.molbev.a026371
Keywords
gypsy endogenous retrovirus; Drosophila; evolution; phylogeny
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We conducted a phylogenetic survey of the endogenous retrovirus Gypsy in the eight species of the Drosophila melanogaster subgroup. A 362-bp fragment from the integrase gene (int) was amplified, cloned, and sequenced. Phylogenetic relationships of the elements isolated from independent clones were compared with the host phylogeny. Our results indicate that two main lineages of Gypsy exist in the melanogaster subgroup anti that vertical and horizontal transmission have played a crucial role in the evolution of this insect endogenous retrovirus.
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