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CLE pathways in plant development: recent advances and future perspectives.

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|July 15, 2025
PubMed
Summary

Novel CLAVATA3/EMBRYO-SURROUNDING REGION-RELATED (CLE) peptides are key regulators of plant development. Understanding CLE signaling pathways is crucial for improving crop adaptability and morphology.

Keywords:
BryophytesCLE peptidesCLE receptorscell divisionsflowering plantsmeristemsnutrient signallingvascular development

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Area of Science:

  • Plant Biology
  • Evolutionary Biology
  • Genetics

Background:

  • Plant evolution involved novel genes for adapting to terrestrial life.
  • Cell-to-cell signaling peptides, like CLEs, were critical innovations in early land plants.
  • CLE genes regulate plant development, likely through cell division control.

Purpose of the Study:

  • To provide an update on CLE signaling pathways in plant development.
  • To highlight recent advances in identifying CLE gene repertoires and functions.
  • To discuss future research directions and crop improvement potential.

Main Methods:

  • Review of recent literature on CLE signaling in bryophytes and ferns.
  • Analysis of identified CLE gene families across plant genomes.
  • Synthesis of current knowledge on CLE pathway functions.

Main Results:

  • CLE signaling pathways are conserved and fundamental to plant development.
  • Recent studies have expanded the understanding of CLE gene functions.
  • CLE pathways play a role in regulating cell division and morphology.

Conclusions:

  • CLE signaling is a crucial conserved pathway in land plant evolution.
  • Further research into CLE pathways can unlock new strategies for crop improvement.
  • Manipulating CLE signaling could enhance plant adaptability to environmental challenges.