ArticleBMC plant biology2025
Evaluating the accumulation of organic acids and fatty acids under different environmental stresses in Dendrobium nobile.
Article in BMC plant biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Untargeted LC-MS/MS Metabolite Profiling of Wild, Field-Domesticated and Tissue-Cultured Rhizomes of the Endangered Medicinal FernLife (Basel, Switzerland) · 2026Article
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6 authors.
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Abstract
backgroundOrganic acids and fatty acids are important functional ingredients for Dendrobium nobile Lindl., a valuable medicinal plant. To improve the quality of D. nobile herb, it is necessary to evaluate the effects of biotic and abiotic stresses on the accumulation of organic acids and fatty acids.
resultsMetabolomic and transcriptomic analysis revealed that drought and black spot stresses enhanced the accumulation of both organic acids and fatty acids. Under drought stress, up-regulated DnGDC, DnMDHC, and DnPPDK2 and increased phosphoenolpyruvate, aminobutanoate, and methoxy-indole-3-acetic acid were core to the accumulation of organic acids. Up-regulated of DnKCS2L2, DnACPDC1, and DnPHGP and increased vaccenic acid and linolelaidic acid were core to the accumulation of fatty acids. Under black spot stress, up-regulated DnCATIA, DnGHPR, and DnALD22A1 and increased abscisic acid, indole-3-acetic acid-aspartate, and arabidopyl shikimic acid were core for accumulation of organic acids. Upregulated DnKCS4L, DnADCP17, and DnADHL4 and increased oxooctadecadienoic acid, hydroperoxyoctadecadienoic acid, and hydroxyoctadecatrienoic acid were core for accumulation of fatty acids. Some other genes related to signal transduction (DnDSTKL and DnSERK1), transcriptional regulation (DnSRM1L2, DnCCR4N9, DnMYB97, and DnERF014L), translational regulation (DnMRF9C, DnDMG1, DnSHL2, and DnSCC1.1), and posttranslational regulation (DnDNAJC76, DnAED3L, and DnDNAJC3) are also involved in the improving process. They formed a complete genome-wide regulatory network for the accumulation of organic acids and fatty acids under drought and black spot stresses.
conclusionsA series of key biosynthesis and regulating genes are up-regulated to increase some specific organic acids and fatty acids, which contributes to the accumulation of total contents under drought and black spot stresses in D. nobile.
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