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RNA processing in auxin and cytokinin pathways.

Mónika Hrtyan1, Eva Šliková1, Jan Hejátko1

  • 1Department of Functional Genomics and Proteomics, Central European Institute of Technology, Masaryk University, Kamenice 5, Brno, CZ-62500, Czech Republic.

Journal of Experimental Botany
|April 30, 2015
PubMed
Summary

Plant hormones auxin and cytokinin regulate growth through complex RNA networks. This review details their roles in gene silencing, non-coding RNAs, translation, and splicing for plant development.

Keywords:
AuxinRNA processingcytokiningene silencingmiRNAnon-coding RNAsplicingtRNA.

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Area of Science:

  • Plant Biology
  • Molecular Biology
  • Genetics

Background:

  • Auxin and cytokinin are key plant hormones influencing morphogenesis.
  • Their signaling, metabolism, and regulatory pathways are well-studied.
  • RNA regulatory networks represent an emerging area in plant hormone research.

Purpose of the Study:

  • To review current knowledge on RNA regulatory networks in auxin and cytokinin pathways.
  • To highlight recent advances in understanding post-transcriptional gene regulation by these hormones.
  • To discuss the role of RNA processing in plant growth and development.

Main Methods:

  • Literature review of recent publications.
  • Synthesis of current understanding of RNA-mediated gene regulation.
  • Focus on post-transcriptional gene silencing, non-coding RNAs, translation, and splicing.

Main Results:

  • Auxin and cytokinin extensively utilize RNA regulatory networks.
  • Non-coding RNAs, translation regulation, and alternative splicing are critical.
  • tRNA-bound cytokinins also play a role in plant development.

Conclusions:

  • RNA processing is a crucial layer of control in auxin and cytokinin signaling.
  • Understanding these RNA networks is vital for deciphering plant growth and development.
  • Further research into RNA regulation will advance plant science.