Agriculture

Fusaric acid mediates the assembly of disease-suppressive rhizosphere microbiota via induced shifts in plant root exudates

X. Jin, H. Jia, et al.

This groundbreaking study explores how tomato plants interact with the pathogen *Fusarium oxysporum* f. sp. *lycopersici* and rhizosphere microbiota. It sheds light on plant resistance linked to beneficial microorganisms and reveals how specific productions from FOL trigger systemic changes in rhizosphere composition, offering new insights into disease suppression. This exciting research was conducted by Xue Jin, Huiting Jia, Lingyi Ran, Fengzhi Wu, Junjie Liu, Klaus Schlaeppi, Francisco Dini-Andreote, Zhong Wei, and Xingang Zhou.

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Abstract

This study investigates the tripartite interaction between tomato plants, the pathogen *Fusarium oxysporum* f. sp. *lycopersici* (FOL), and rhizosphere microbiota. It explores differences in tomato genotype resistance to FOL linked to the recruitment of plant-protective rhizosphere taxa, demonstrates FOL's fusaric acid (FA) production triggering systemic rhizosphere microbiota changes, and elucidates how FOL and FA induce changes in tomato root exudation, directly affecting disease-suppressive taxa recruitment. The study unravels a mechanism mediating plant rhizosphere assembly and disease suppression by integrating plant physiological responses to microbial-mediated mechanisms.

Publisher

Nature Communications

Published On

Jun 15, 2024

Authors

Xue Jin, Huiting Jia, Lingyi Ran, Fengzhi Wu, Junjie Liu, Klaus Schlaeppi, Francisco Dini-Andreote, Zhong Wei, Xingang Zhou

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