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Updated: Jun 20, 2026

Potato Virus X-Based microRNA Silencing (VbMS) In Potato.
Published on: May 11, 2020
Regulation and functional specialization of small RNA-target nodes during plant development
Ignacio Rubio-Somoza1, Joshua T Cuperus, Detlef Weigel
1Department of Molecular Biology, Max Planck Institute for Developmental Biology, D-72076 Tuebingen, Germany.
Abstract:
The expansion of gene families for miRNA and tasiRNA, small RNA effector proteins (ARGONAUTEs or AGOs), and miRNA/tasiRNA targets has contributed to regulatory diversity in plants. Loss or acquisition of small RNA-generating loci and target site sequences in multigene families represent striking examples of subfunctionalization or neo-functionalization, where regulatory diversity is achieved at the post-transcriptional level. Differential regulation of small RNA and target gene family members, and evolution of unique functionality of distinct small RNA-AGO complexes, provide further regulatory diversity. Here, we focus on the idea of distinct small RNA-target transcript pairs as nodes within biological networks, and review progress toward understanding the role of small RNA-target nodes in the context of auxin signaling.
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