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ABSTRACT
In the current study the metabolic response of peanut root exudates to Sclerotium rolfsii Sacc. infection was analyzed in plant-pathogen interaction systems. The analytical methodology employed in this study entailed the utilization of ultra-high-performance liquid chromatography coupled with tandem quadrupole time-of-flight mass spectrometry (UHPLC-Q-TOF-MS) in relation to metabolomics. The experimental findings have demonstrated that pathogen infection induces significant variations in both the composition and abundance of peanut root exudates. A total of 322 metabolites were identified in peanut root exudates, among which 19 metabolites showed significant differences under pathogen infection. The results of the orthogonal partial least squares score discriminant analysis (OPLS) and hierarchical cluster analysis (HCA) plots clearly demonstrated that the metabolic profiling effectively distinguished between peanut plants inoculated with S. rolfsii Sacc. and the healthy control plants that were not inoculated. Pathogen infection is associated with five metabolic pathways, the most correlated being arginine and proline metabolism and ABC transporters.
Disclosure statement
No potential conflict of interest was reported by the author(s).
Data availability statement
The raw data collected during the current study are not publicly available before publication but are available from the corresponding author on reasonable request.
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Notes on contributors
Wenrui Wang
Wen Rui Wang, Master, Educational Background, Graduated from Liaoning University of Traditional Chinese Medicine with a bachelor’s degree, Master’s degree at Shenyang Agricultural University, The main research direction is secondary metabolites.
Chuang Liu
Chuang Liu, Master, Educational Background, Bachelor’s degree from Shenyang Polytechnic University, Master’s degree at Shenyang Agricultural University, Main research interests are plant protection of peanut crops, control effect of different fungicides on peanut disease and field application.
Sitong Du
Si Tong Du, Master, Educational Background, Bachelor’s degree from Shenyang Agricultural University, Master’s degree at Shenyang Agricultural University, Main research interests are biological control of plant diseases; Extraction of metabolic compounds from Bacillus velezensis.
Chao-Qun Zang
Dr. Chao Qun Zang, Senior Research Fellow, Educational Background, Bachelor’s degree from Huaibei Coal Normal University, PhD, Shenyang Agricultural University, Research Expertise, Dr. Chao Qun Zang specializes in the management of continuous cropping obstacles in peanuts and research on biological control. Relevant research achievements have been published as the first author or corresponding author in professional journals such as the European Journal of Plant Pathology and Applied Sciences.
Yu-Qian Huang
Dr. Yu Qian Huang, Associate Professor, Educational Background, Bachelor of Science, Shenyang Agricultural University, Master of Science, Shenyang Agricultural University, PhD, Shenyang Agricultural University, Visiting Scholar, Cornell University, Research Expertise, Dr. Yu Qian Huang specializes in agricultural sciences with a focus on the management of obstacles and diseases associated with peanut continuous cropping systems. His extensive research has contributed significantly to the understanding and development of sustainable agricultural practices for peanut cultivation. The relevant achievements have been published as the first author or corresponding author in international professional journals such as Journal of Advanced Research BMC Plant Biology and Biological Control.