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Updated: Jan 7, 2026
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Isolation and Analysis of Microbial Communities in Soil, Rhizosphere, and Roots in Perennial Grass Experiments
Published on: July 24, 2018
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General variation in the Fusarium wilt rhizosphere microbiome
Lv Su1,2, Haichao Feng3, Huatai Li4
1College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, The People's Republic of China.
Nature Communications
|December 27, 2025
Summary
Fusarium wilt disease alters plant root bacteria. Tocopherol acetate stimulates beneficial Flavobacterium anhuiense, which inhibits Fusarium oxysporum, offering a new disease management strategy.
Area of Science:
- Microbial Ecology
- Plant Pathology
- Biochemistry
Background:
- Rhizosphere bacteria in Fusarium wilt-affected plants are of interest due to their adaptation to disease.
- General information on these enriched bacteria remains limited.
- Fusarium infection significantly impacts the rhizosphere bacterial community composition.
Purpose of the Study:
- To investigate the variations in the rhizosphere microbiome of Fusarium wilt-affected plants.
- To identify key bacterial groups and functional genes enriched in diseased rhizospheres.
- To explore the role of specific compounds, like tocopherol acetate, in modulating these microbial communities.
Main Methods:
- Meta-analysis of Fusarium wilt plant rhizospheres.
- Comprehensive studies on rhizosphere microbiome composition.
- Isolation and characterization of antagonistic bacteria.
- In planta experiments to confirm microbial interactions and effects.
Main Results:
- Fusarium infection reproducibly alters rhizosphere bacterial communities.
- Enrichment of Flavobacterium, sulfur metabolism-related antioxidant genes, and root-secreted tocopherol acetate were observed.
- Isolated Flavobacterium anhuiense showed stimulated growth and gene expression in the presence of tocopherol acetate.
- F. anhuiense demonstrated inhibitory effects against Fusarium oxysporum, enhanced by tocopherol acetate in planta.
Conclusions:
- Fusarium wilt induces significant and reproducible changes in the rhizosphere microbiome.
- Tocopherol acetate plays a crucial role in stimulating beneficial bacteria like F. anhuiense.
- These findings elucidate principles of microbiome assembly in diseased plant rhizospheres and suggest potential biocontrol strategies.
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