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Updated: May 27, 2025

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MicroRNA gatekeepers: Orchestrating rhizospheric dynamics.

Muhammad Fahad1,2, Leeza Tariq3, Wanchang Li4

  • 1Hainan Yazhou Bay Seed Laboratory, Hainan Institute, Zhejiang University, Sanya, 572000, China.

Journal of Integrative Plant Biology
|February 21, 2025
PubMed
Summary

MicroRNAs (miRNAs) are vital non-coding RNAs regulating plant growth and stress responses in the rhizosphere. Understanding miRNA-mRNA interactions is key to enhancing crop resilience and engineering better crops.

Keywords:
biotic and abiotic stressheavy metalsmiRNAsmicrobiomenutrientsrhizosphere

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Area of Science:

  • Plant Biology
  • Molecular Biology
  • Agricultural Science

Background:

  • The rhizosphere is critical for plant growth and stress tolerance, involving complex plant-environment interactions.
  • While signaling molecules are known, the precise mechanisms of plant-rhizosphere communication are not fully understood.
  • MicroRNAs (miRNAs), non-coding RNAs, are increasingly recognized for their role in regulating plant development and stress responses.

Purpose of the Study:

  • To review the role of microRNAs (miRNAs) in plant responses to rhizosphere dynamics.
  • To explore the regulatory crosstalk between miRNAs and their target messenger RNAs (mRNAs).
  • To highlight the potential of miRNA-based strategies for improving crop engineering and stress tolerance.

Main Methods:

  • Literature review focusing on miRNA functions in the rhizosphere.
  • Analysis of miRNA-mRNA interactions influencing plant structures and stress responses.
  • Discussion of experimental approaches for studying miRNA roles.

Main Results:

  • miRNAs significantly regulate plant growth, development, and adaptation to biotic/abiotic rhizosphere stresses.
  • miRNA-mRNA interactions shape key plant structures influenced by the belowground environment.
  • Evidence suggests miRNAs are crucial mediators of plant tolerance to rhizosphere dynamics.

Conclusions:

  • Further research is needed to elucidate miRNA functions, expression patterns, and regulatory mechanisms in plant-rhizosphere interactions.
  • Targeted studies on common regulatory pathways can enhance plant tolerance to rhizosphere challenges.
  • Manipulating miRNA expression offers a promising avenue for crop engineering and improving stress resilience.