Although silent transposons in plants can be reactivated by stress or during development, their potential deleterious effects are prevented by transposon-derived epigenetically activated small interfering RNAs (easiRNAs). A new study shows how serendipitous interactions between reactivated transposons and endogenous microRNAs might initiate easiRNA biogenesis, establishing an unexpected link between these two classes of silencing small RNAs.
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Supplementary Figure 1
Anticipated molecular requirements for microRNA-triggered easiRNA biogenesis. (PDF 245 kb)
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Sarazin, A., Voinnet, O. Exploring new models of easiRNA biogenesis. Nat Genet 46, 530–531 (2014). https://doi.org/10.1038/ng.2993
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DOI: https://doi.org/10.1038/ng.2993
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