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MAP kinases and stomatal regulation: current updates and future perspectives.

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  • 1College of Bioscience and Biotechnology, Yangzhou University, Yangzhou, 225009, China.

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|November 20, 2025
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Summary

Mitogen-activated protein kinase (MAPK) cascades regulate plant stomata for gas exchange and water balance. Understanding these signaling networks aids in developing climate-resilient crops with improved stress resistance.

Keywords:
MAP kinaseabiotic stressbiotic stresscrop breedingstomatal developmentstomatal movement

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Area of Science:

  • Plant Biology
  • Molecular Signaling
  • Genetics

Background:

  • Stomata are crucial for plant gas exchange and water regulation.
  • Their development and movement are governed by intricate signaling pathways.
  • Mitogen-activated protein kinase (MAPK) cascades act as key integrators of these signals.

Purpose of the Study:

  • To review recent advancements in the molecular mechanisms of MAPK cascade-mediated stomatal regulation.
  • To highlight the roles of MAPK networks in plant development and stress adaptation.
  • To provide insights for engineering climate-resilient crops.

Main Methods:

  • Literature review of molecular mechanisms.
  • Analysis of MAPK signaling pathways in plant species.
  • Synthesis of findings across Arabidopsis thaliana, grasses, and woody plants.

Main Results:

  • MAPK cascades play dual roles in stomatal development and aperture dynamics.
  • These networks integrate environmental and internal signals for stomatal control.
  • Specific MAPK pathways are conserved across diverse plant groups.

Conclusions:

  • MAPK-mediated regulation is fundamental to stomatal function.
  • Targeting MAPK pathways offers potential for enhancing crop stress tolerance.
  • Further research can guide the development of climate-resilient agriculture.