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Title: Cytoplasmically localized tRNA-derived fragments inhibit translation in Drosophila S2 cells
Authors: Hamid, Syed Muhammad
Akgül, Bünyamin
Keywords: TRF
Transfer ribonucleic acids
tRNA fragments
Publisher: TÜBİTAK - Türkiye Bilimsel ve Teknolojik Araştırma Kurumu
Abstract: Transfer ribonucleic acids (tRNAs) serve not only as amino acid carriers during translation but also as a template for the biogenesis of short fragments that can regulate gene expression. Despite recent progress in the function of tRNA-derived fragments (tRFs), their intracellular localization, protein partners, and role in regulating translation are not well understood. We used synthetic tRFs to investigate their localization and function in Drosophila S2 cells. Under our experimental setting, all synthetic tRFs tested were localized at distinct sites within the cytoplasm in a similar manner in Drosophila S2 cells. Cytoplasmically-localized tRFs were positioned in close proximity to GW182 and XRN1 proteins. Functionally, tRFs, which slightly suppressed proliferation in S2 cells, inhibited translation without any major shift in the polysome profile. These results suggest that 5???-tRFs are cytoplasmically-localized and regulate gene expression through inhibition of translation in Drosophila.
Appears in Collections:Molecular Biology and Genetics / Moleküler Biyoloji ve Genetik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
TR Dizin İndeksli Yayınlar / TR Dizin Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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