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Related Experiment Video

Updated: Jan 9, 2026

A Hydroponic Co-cultivation System for Simultaneous and Systematic Analysis of Plant/Microbe Molecular Interactions and Signaling
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Chemical Communication Between Plant and Microbe in the Phyllosphere.

Xuanxuan Ma1, Li Ling1, Bo Wang1

  • 1Guangdong Basic Research Center of Excellence for Precise Breeding of Future Crops, Guangdong Laboratory for Lingnan Modern Agriculture, Guangdong Provincial Key Laboratory for the Development Biology and Environmental Adaptation of Agricultural Organisms, South China Institute for Soybean Innovation Research, College of Agriculture, South China Agricultural University, Guangzhou, Guangdong, China.

Plant, Cell & Environment
|December 2, 2025
PubMed
Summary

The phyllosphere

Keywords:
chemical ecologymetabolite‐mediated communicationphyllosphere microbiomeplant–microbe interactions

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Area of Science:

  • Plant science
  • Microbiology
  • Chemical ecology

Background:

  • The phyllosphere, the environment on plant leaves, is a vast habitat for microbes but its chemical ecology is understudied.
  • Plant leaves harbor diverse microbial communities influenced by plant traits and environmental factors.

Purpose of the Study:

  • To review recent advances in metabolite-mediated communication within the phyllosphere.
  • To explore how chemical signals shape phyllosphere microbiome assembly, function, and plant-microbe interactions.

Main Methods:

  • Literature review synthesizing recent research on phyllosphere chemical ecology.
  • Analysis of plant-derived signals (primary/secondary metabolites, phytohormones) and microbial feedback mechanisms.

Main Results:

  • Plant traits and environmental factors create specific chemical niches influencing microbial communities.
  • Bidirectional chemical exchanges between plants and microbes regulate immunity, growth, and competition.

Conclusions:

  • Understanding phyllosphere chemical ecology is crucial for developing strategies like microbial probiotics and breeding for beneficial plant-microbe consortia.
  • Key challenges include signal attribution, microbiota stabilization, and understanding community-level interactions for sustainable agriculture.