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Updated: May 3, 2026

mirMachine: A One-Stop Shop for Plant miRNA Annotation
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miRNAs in the crosstalk between phytohormone signalling pathways.

Julien Curaba1, Mohan B Singh, Prem L Bhalla

  • 1Plant Molecular Biology and Biotechnology Laboratory, ARC Centre of Excellence for Integrative Legume Research, Melbourne School of Land and Environment, The University of Melbourne, Parkville, Victoria 3010, Australia.

Journal of Experimental Botany
|February 14, 2014
PubMed
Summary

MicroRNAs (miRNAs) regulate plant hormone pathways, influencing growth and development. This review explores how miRNAs coordinate multiple plant hormone interactions during crucial developmental processes.

Keywords:
Arabidopsisgenetic regulationsmicroRNAsphytohormonesplant development.

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Area of Science:

  • Plant Biology
  • Molecular Biology
  • Genetics

Background:

  • Phytohormones are crucial plant signal molecules regulating growth and development via gene expression.
  • Coordinated phytohormone pathway interactions are vital for adapting to environmental changes, like water deficit or seed germination.
  • MicroRNAs (miRNAs) are increasingly recognized as key regulators in plant hormone response pathways.

Purpose of the Study:

  • To review current knowledge on microRNA-mediated regulations in phytohormone crosstalk.
  • To focus on miRNAs that link multiple phytohormone pathways.
  • To discuss the implications of these miRNAs in coordinating complex phytohormone responses.

Main Methods:

  • Literature review of existing research on miRNAs and phytohormone signaling.
  • Analysis of studies identifying regulatory links between specific miRNAs and multiple phytohormone pathways.
  • Synthesis of findings to understand miRNA roles in developmental processes.

Main Results:

  • MicroRNAs significantly impact phytohormone metabolism, distribution, and perception.
  • Several miRNAs demonstrate regulatory connections with more than one phytohormone pathway.
  • These miRNAs play a role in integrating diverse hormonal signals.

Conclusions:

  • MicroRNAs are central to integrating and coordinating multiple phytohormone signaling pathways.
  • Understanding miRNA-phytohormone interactions is key to deciphering plant developmental plasticity.
  • Further research into specific miRNA functions can reveal novel strategies for crop improvement.