Research Article

Analysis of Specific Metabolites in Rhizosphere Soil of Panax quinquefolius L. with Root Rot Diseases Based on Metabolomics  

Li Li1 , Jinglong Jiang2
1 School of Chemical and Environmental Sciences, Shaanxi University of Technology, Hanzhong, 723001, China
2 School of Biological Science and Engineering, Shaanxi University of Technology, Hanzhong, 723001, China
Author    Correspondence author
Medicinal Plant Research, 2022, Vol. 12, No. 3   doi: 10.5376/mpr.2022.12.0003
Received: 06 May, 2022    Accepted: 15 May, 2022    Published: 20 May, 2022
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This article was first published in Molecular Plant Breeding in Chinese, and here was authorized to translate and publish the paper in English under the terms of Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Preferred citation for this article:

Li L., and Jiang J.L., 2022, Analysis of specific metabolites in rhizosphere soil of Panax quinquefolius L. with root rot diseases based on metabolomics, Medicinal Plant Research, 12(3): 1-8 (doi: 10.5376/mpr.2022.12.0003)


The metabolomics method based on gas chromatography-time-of-flight mass spectrometry (GC-TOF-MS) was used to analyze rhizosphere soil differential metabolites, and the rhizosphere soil of healthy ginseng (HS) and root rot ginseng (RS) with 4-year-old were chosen as research objects. 13 metabolites with significant differences (p<0.05) were screened in the RS vs HS group, including 9 organic acids, 3 carbohydrates, and 1 quinone. Compared with HS group, Lignoceric acid, palmitic acid, cerotinic acid, benzoic acid, oleic acid, heptadecanoic acid, azelaic acid, salicylic acid and 3,4-dihydroxybenzoic acid level was significantly increased (p<0.05) in RS group, and D-Talose, mannose, N-Acetyl-D-galactosamine and phytol were significantly decreased (p<0.05). KEGG pathway enrichment analysis found that these differential metabolites were mainly enriched in 10 metabolic pathways, including biosynthesis of unsaturated fatty acids biosynthesis of secondary metabolites, microbial metabolism in diverse environments and degradation of aromatic compounds. Root rot P. quinquefolius L.and healthy P. quinquefolius L. rhizosphere soil have some significantly different metabolites, and these different metabolites may cause the occurrence of P. quinquefolius L. root rot through allelopathic effects. This study provides a theoretical basis for further research on the allelopathy of P. quinquefolius L..

Panax quinquefolius L.; Root-rot diseases; Metabolomics; Metabolites; Rhizosphere soil
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