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- Title
Medicinal Plant Root Exudate Metabolites Shape the Rhizosphere Microbiota.
- Authors
Qu, Peng; Wang, Butian; Qi, Meijun; Lin, Rong; Chen, Hongmei; Xie, Chun; Zhang, Zhenwei; Qiu, Junchao; Du, Huabo; Ge, Yu
- Abstract
The interactions between plants and rhizosphere microbes mediated by plant root exudates are increasingly being investigated. The root-derived metabolites of medicinal plants are relatively diverse and have unique characteristics. However, whether medicinal plants influence their rhizosphere microbial community remains unknown. How medicinal plant species drive rhizosphere microbial community changes should be clarified. In this study involving high-throughput sequencing of rhizosphere microbes and an analysis of root exudates using a gas chromatograph coupled with a time-of-flight mass spectrometer, we revealed that the root exudate metabolites and microorganisms differed among the rhizosphere soils of five medicinal plants. Moreover, the results of a correlation analysis indicated that bacterial and fungal profiles in the rhizosphere soils of the five medicinal plants were extremely significantly or significantly affected by 10 root-associated metabolites. Furthermore, among the 10 root exudate metabolites, two (carvone and zymosterol) had opposite effects on rhizosphere bacteria and fungi. Our study findings suggest that plant-derived exudates modulate changes to rhizosphere microbial communities.
- Subjects
PLANT exudates; PLANT roots; RHIZOSPHERE; MEDICINAL plants; TIME-of-flight mass spectrometers; RHIZOBACTERIA
- Publication
International Journal of Molecular Sciences, 2024, Vol 25, Issue 14, p7786
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms25147786