ArticleBMC plant biology2020
Metabolite profiling of rhizosphere soil of different allelopathic potential rice accessions.
Article in BMC plant biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 37 citations in OpenAlex.
- Synthetic communities and metabolite-driven enrichment of keystone rhizosphere microbial taxa suppress bacterial wilt disease in peanut.Plant communications · 2026Article
- Unraveling the chemical communication of root exudates and allelopathy for sustainable ecology and agriculture.Antonie van Leeuwenhoek · 2025Review
- Unveiling the hidden world: How arbuscular mycorrhizal fungi and its regulated core fungi modify the composition and metabolism of soybean rhizosphere microbiome.Environmental microbiome · 2024Article
- Rice Varieties Intercropping Induced Soil Metabolic and Microbial Recruiting to Enhance the Rice Blast (Metabolites · 2024Article
- Nutrient and moisture limitations reveal keystone metabolites linking rhizosphere metabolomes and microbiomes.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Unraveling the interplay between root exudates, microbiota, and rhizosheath formation in pearl millet.Microbiome · 2024Article
- Plant pathogen resistance is mediated by recruitment of specific rhizosphere fungi.The ISME journal · 2023Article
- The core metabolome and root exudation dynamics of three phylogenetically distinct plant species.Nature communications · 2023Article
- The Promises, Challenges, and Opportunities of Omics for Studying the Plant Holobiont.Microorganisms · 2022Article
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4 authors at 2 institutions in 2 countries.
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Abstract
backgroundIdentification of the allelopathy-interrelated metabolites from the allelopathic rice rhizosphere is crucial to understand the allelopathic mechanism of rice, which in turn can promote its applications to farming. In this study, the metabolites from the rhizosphere soil of five different rice lines, including allelopathic rice accession PI312777 (PI) and non-allelopathic rice accession Lemont (Le) as well as their genetic derivatives (e.g., phenylalanine ammonia-lyase (PAL) gene overexpression transgenic lines of PI and Le, namely, PO and LO respectively, and PAL RNA interference line of PI, namely, PR) were identified and comparatively analyzed to explore the positive compounds that are involved in the process of rice allelopathy.
resultsThe results showed that 21 non-polar compounds and 21 polar compounds differed in content in the rhizosphere soil of PI and Le, which include several volatile fatty acids and long-chain fatty acids. The relative contents of fatty acids also differed between PAL overexpressing or RNA interference (RNAi)-silenced line and their wild-type respectively. Acetic acid content also differed among groups, i.e., it is higher in the high allelopathic potential rice. Further analysis showed that different metabolites from the ADS8 resin-extracted phase were more abundant than that those from the ADS21 resin-extracted phase, suggesting that the allelochemicals in root exudates of allelopathic rice are mainly non-polar substances. KEGG annotation of these differential metabolites revealed that these compounds were related to nutrient metabolism, secondary metabolite synthesis, signaling substance synthesis, and toxin degradation.
conclusionsRice allelochemicals deposited in the ADS8 resin-extracted phase were more abundant than those in the ADS21 resin-extracted phase. Allelochemicals in root exudates of allelopathic rice are mainly non-polar substances, and long-chain fatty acids are considered as allelopathy interrelated metabolites.
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