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Micro-regulators of auxin action

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Abstract

microRNAs (miRs) are 21- to 24-nucleotide-long RNA molecules that are mainly involved in regulating the gene expression at the post-transcriptional levels. They are present in a variety of organisms from algae to plants and play an important role in gene regulation. The identification of several diverging and converging functions of miRs indicates that they play versatile roles in regulating plant development including differentiation, organ development, phase change, signalling, disease resistance and response to environmental stresses. This article provides a concise update on the plant miR functions and their targets in the auxin pathway with focus on the interactions between miRs and auxin signalling to intricately regulate the plant responses.

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Acknowledgments

We acknowledge Prof Sudhir K. Sopory (JNU, New Delhi), an eminent Plant Molecular Biologist, for his inspiration on initiating the miR work and dedicate this article to him. There is a vast literature on auxins and miRs, so we offer our apologies to colleagues whose work could not be cited here.

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  1. International Center for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi, India

    Neeti Sanan-Mishra, Srichakradhar P. R. M. Varanasi & Sunil K. Mukherjee

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  1. Neeti Sanan-Mishra
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  2. Srichakradhar P. R. M. Varanasi
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  3. Sunil K. Mukherjee
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Correspondence to Neeti Sanan-Mishra.

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Communicated by P. Kumar.

A contribution to the Special Issue: Plant Hormone Signaling.

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Sanan-Mishra, N., Varanasi, S.P.R.M. & Mukherjee, S.K. Micro-regulators of auxin action. Plant Cell Rep 32, 733–740 (2013). https://doi.org/10.1007/s00299-013-1425-2

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