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. 2018 Jun 18;9:824. doi: 10.3389/fpls.2018.00824

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Copyright © 2018 Yang, Wang, Teotia, Zhang and Tang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Overview of miRNA-mediated regulatory networks in control of leaf development. Leaf development is a complex biological process that is tightly controlled by miRNAs and their target genes. It consists of four stages: (A) estabishment, (B) transition, (C) modification, and (D) senescence. sRNA networks play an important role in each stage of leaf development. For instance, miR160 and miR165/166 regulate leaf initiation; miR165/166 and miR390 control leaf polarity; miR164 and miR319 modulate leaf morphology; miR156 and miR172 determine phase transition; miR164 and miR319 contribute to leaf senescence. Blue arrows indicate positive regulation, while T shaped bars indicate negative regulation. SE, somatic embryogenesis.