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Updated: Mar 18, 2026

A Gnotobiotic System for Studying Microbiome Assembly in the Phyllosphere and in Vegetable Fermentation
Published on: June 3, 2020
Bidirectional Interaction between Phyllospheric Microbiotas and Plant Volatile Emissions
Gerard Farré-Armengol1, Iolanda Filella1, Joan Llusia1
1CSIC, Global Ecology Unit CREAF-CSIC-UAB, Cerdanyola del Vallès, 08193 Barcelona, Catalonia, Spain; CREAF, Cerdanyola del Vallès, 08193 Barcelona, Catalonia, Spain.
Plant volatile organic compounds (VOCs) influence microbial communities on leaves. Microbes also alter plant VOC emissions, creating complex plant-microbe interactions that warrant further investigation.
Area of Science:
- Plant biology
- Microbiology
- Ecology
Background:
- Plant volatile organic compounds (VOCs) impact epiphytic microbial communities due to antimicrobial properties and carbon source potential.
- Epiphytic microorganisms, including bacteria and fungi, can modify plant VOC emissions through their own emissions, physiological effects on plants, and VOC metabolism.
Purpose of the Study:
- To highlight the significant role of plant VOCs in shaping phyllospheric microbial communities.
- To emphasize the reciprocal interactions between plant VOCs and epiphytic microorganisms.
- To underscore the need for further research into these plant-microbe interactions.
Main Methods:
- Literature review and synthesis of existing research on plant VOCs and phyllospheric microbiota.
- Analysis of the mechanisms by which plant VOCs affect microbial communities.
- Examination of the ways epiphytic microorganisms influence plant VOC emissions.
Main Results:
- Plant VOCs are critical determinants of microbial community structure on plant surfaces.
- Epiphytic microbes actively modulate plant VOC profiles and plant physiology.
- A complex feedback loop exists between plant VOC emissions and phyllospheric microbial activity.
Conclusions:
- The interplay between plant VOCs and phyllospheric microbiota is a crucial factor in plant health and ecosystem function.
- Understanding these interactions is essential for fields ranging from agriculture to climate science.
- Further research is needed to fully elucidate the dynamics of plant-microbe communication via VOCs.
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