24-nt reproductive phasiRNAs are broadly present in angiosperms

24-nt reproductive phasiRNAs are broadly present in angiosperms

24-nt reproductive phasiRNAs are broadly present in angiosperms, Published online: 07 February 2019; doi:10.1038/s41467-019-08543-0

24-nt phased siRNA (phasiRNA) regulate reproduction in grasses, yet are absent from Arabidopsis, and were thought to be monocot-specific. Here, Xia et al. show that 24-nt phasiRNAs are in fact broadly distributed among eudicots and are consistently enriched during meiosis, despite possibly arising from distinct biogenesis pathways.

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