Small but powerful: function of microRNAs in plant development

Small but powerful: function of microRNAs in plant development MicroRNAs (miRNAs) are a group of endogenous noncoding small RNAs frequently 21 nucleotides long. miRNAs act as negative regulators of their target genes through sequence-specific mRNA cleavage, translational repression, or chromatin modifications. Alterations of the expression of a miRNA or its targets often result in a variety of morphological and physiological abnormalities, suggesting the strong impact of miRNAs on plant development. Here, we review the recent advances on the functional studies of plant miRNAs. We will summarize the regulatory networks of miRNAs in a series of developmental processes, including meristem development, establishment of lateral organ polarity and boundaries, vegetative and reproductive organ growth, etc. We will also conclude the conserved and species-specific roles of plant miRNAs in evolution and discuss the strategies for further elucidating the functional mechanisms of miRNAs during plant development. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Plant Cell Reports Springer Journals

Small but powerful: function of microRNAs in plant development

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Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer-Verlag GmbH Germany, part of Springer Nature
Subject
Life Sciences; Plant Sciences; Cell Biology; Biotechnology; Plant Biochemistry
ISSN
0721-7714
eISSN
1432-203X
D.O.I.
10.1007/s00299-017-2246-5
Publisher site
See Article on Publisher Site

Abstract

MicroRNAs (miRNAs) are a group of endogenous noncoding small RNAs frequently 21 nucleotides long. miRNAs act as negative regulators of their target genes through sequence-specific mRNA cleavage, translational repression, or chromatin modifications. Alterations of the expression of a miRNA or its targets often result in a variety of morphological and physiological abnormalities, suggesting the strong impact of miRNAs on plant development. Here, we review the recent advances on the functional studies of plant miRNAs. We will summarize the regulatory networks of miRNAs in a series of developmental processes, including meristem development, establishment of lateral organ polarity and boundaries, vegetative and reproductive organ growth, etc. We will also conclude the conserved and species-specific roles of plant miRNAs in evolution and discuss the strategies for further elucidating the functional mechanisms of miRNAs during plant development.

Journal

Plant Cell ReportsSpringer Journals

Published: Jan 9, 2018

References

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