Journal
VIROLOGY
Volume 450, Issue -, Pages 196-204Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.virol.2013.12.024
Keywords
Drosophila; Gag gene domestication; LTR-retrotransposon; Endogenous retrovirus gypsy
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Funding
- RFBR [11-04-00403-a, 12-04-31457 mol_a]
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The domestication of foreign genes is a powerful mechanism for new gene formation and genome evolution. It is known that domesticated retroviral gag genes in mammals not only take part in protecting against viral infection but also control cell division, apoptosis, function of the placenta, and other biological processes. In this study, we focused on the domesticated retroviral gag gene homolog (Grp) in the Drosophila melanogaster genome. According to the results of a bioinformatic analysis, the Grp gene product is primarily under purifying selection in Drosophilidae family. The. Grp protein has been shown to be transmembrane. The Grp gene is expressed at the adult stage of D. melanogaster in gender-specific and tissue-specific manner. Also the Grp gene expression is increased in response to the gypsy retrovirus. A function of the protein as a component of the endosomic membrane is considered. (C) 2013 Elsevier Inc. All rights reserved.
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