ArticleBMC plant biology2025
Physiological, biochemical, and transcriptomic analysis of castor (Ricinus communis L.) under foliar selenium treatment.
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 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- Deciphering the mechanism of selenium-induced resistance to TR4 in bananas via proteomic profiling.BMC plant biology · 2026Article
- Integrated metabolome and transcriptome analysis of castor oil accumulation during seed development inFrontiers in plant science · 2026Article
- Recent advances in the role of selenium and nanoselenium in modulating plant defense under biotic and abiotic stresses.Frontiers in plant science · 2026Review
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Authors and funding
7 authors.
Funding
Abstract
backgroundSelenium (Se) plays a dual role in plants as a beneficial micronutrient at low concentrations and a potential toxin at high levels. However, the mechanisms underlying its regulatory effects in castor remain unclear. Here, we investigated the effects of foliar-applied sodium selenite (Na
resultsWithin the concentrations range of 20-40 mg/L, Se significantly enhanced SOD, CAT, and APX activities and upregulated the related genes. These treatments activated multiple hormone signaling pathways-including jasmone acid, salicylic acid, auxin, ethylene, and abscisic acid-and stimulated phenylpropanoid biosynthesis by upregulating key genes such as Phenylalanine ammonia-lyase-like (PAL), Cinnamoyl-CoA reductase 1-like (CCR), and Cinnamyl alcohol dehydrogenase (CAD). Additionally, several Se transporter gene families-phosphate transporters (PHTs), aquaporins (NIPs), and ABC families-were upregulated, facilitating Se uptake and detoxification. Conversely, a high Se concentration (60 mg/L) suppressed most antioxidant enzyme activities and related antioxidant gene expression, indicating toxicity. Overall, moderate Se application enhanced castor's stress tolerance and metabolic activity by coordinating antioxidant defense, hormone signaling, and secondary metabolism. In contrast, excessive Se induced physiological stress and gene repression.
conclusionsThis study identified the optimal Se concentration (20-40 mg/L), which significantly improved the growth of castor and contributed to understanding the effects of Se treatment on the expression of genes in castor, providing valuable insights into the regulatory mechanisms of Se in alleviating abiotic stress in castor plants and inform optimal Se application strategies.
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