The DExD/H-box helicase Dicer-2 mediates the induction of antiviral activity in drosophila - PubMed (original) (raw)
. 2008 Dec;9(12):1425-32.
doi: 10.1038/ni.1664. Epub 2008 Oct 26.
Affiliations
- PMID: 18953338
- DOI: 10.1038/ni.1664
The DExD/H-box helicase Dicer-2 mediates the induction of antiviral activity in drosophila
Safia Deddouche et al. Nat Immunol. 2008 Dec.
Erratum in
- Author Correction: The DExD/H-box helicase Dicer-2 mediates the induction of antiviral activity in drosophila.
Deddouche S, Matt N, Budd A, Mueller S, Kemp C, Galiana-Arnoux D, Dostert C, Antoniewski C, Hoffmann JA, Imler JL. Deddouche S, et al. Nat Immunol. 2024 May;25(5):927. doi: 10.1038/s41590-024-01800-5. Nat Immunol. 2024. PMID: 38491311 No abstract available.
Abstract
Drosophila, like other invertebrates and plants, relies mainly on RNA interference for its defense against viruses. In flies, viral infection also triggers the expression of many genes. One of the genes induced, Vago, encodes a 18-kilodalton cysteine-rich polypeptide. Here we provide genetic evidence that the Vago gene product controlled viral load in the fat body after infection with drosophila C virus. Induction of Vago was dependent on the helicase Dicer-2. Dicer-2 belongs to the same DExD/H-box helicase family as do the RIG-I-like receptors, which sense viral infection and mediate interferon induction in mammals. We propose that this family represents an evolutionary conserved set of sensors that detect viral nucleic acids and direct antiviral responses.
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