For decades, flies have been a model for innate immunity. In this issue of Cell, Tassetto et al. describe a mechanism for antiviral RNAi spreading that parallels mammalian adaptive immunity through reverse-transcribed vDNA circles and the systemic dissemination of small-RNA-containing exosomes.
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http://dx.doi.org/10.1016/j.cell.2017.03.032 | DOI Listing |
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