ArticleBMC plant biology2023
Combined transcriptomic and metabolomic analysis of alginate oligosaccharides alleviating salt stress in rice seedlings.
Article in BMC plant biology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 25 citations in OpenAlex.
- Integrated transcriptomic and metabolomic analysis reveals the salt tolerance mechanisms in Lagerstroemia indica.BMC plant biology · 2026Article
- Integrated transcriptomic and metabolomic analysis of prohexadione calcium-mediated alleviation of salt stress in oilseed rape (Brassica napus L.) seedlings.BMC plant biology · 2026Article
- ACurrent issues in molecular biology · 2026Article
- Integrated transcriptomic and metabolomic analyses reveal biphasic thermal adaptation strategies inPeerJ · 2026Article
- Unveiling Salt Tolerance Mechanisms in Plants: Integrating the KANMB Machine Learning Model With Metabolomic and Transcriptomic Analysis.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Integrated Analyses Reveal the Physiological and Molecular Mechanisms of Brassinolide in Modulating Salt Tolerance in Rice.Plants (Basel, Switzerland) · 2025Article
- Recent Advances in Alginate Lyase Engineering for Efficient Conversion of Alginate to Value-Added Products.Microbial biotechnology · 2025Review
- Growth and physiological characteristics of forage bermudagrass in response to salt stress.BMC plant biology · 2025Article
- Wedelolactone, a natural coumestan with multiple pharmacological effects.Frontiers in pharmacology · 2025Review
- Physiological and Molecular Mechanisms of Rice Tolerance to Salt and Drought Stress: Advances and Future Directions.International journal of molecular sciences · 2024Review
- Comparative transcriptomic and metabolomic analyses provide insights into the responses to high temperature stress in Alfalfa (Medicago sativa L.).BMC plant biology · 2024Article
- Alginate Oligosaccharides Alleviate Salt Stress in Rice Seedlings by Regulating Cell Wall Metabolism to Maintain Cell Wall Structure and Improve Lodging Resistance.Plants (Basel, Switzerland) · 2024Article
- Effects of Exogenous Isosteviol on the Physiological Characteristics ofPlants (Basel, Switzerland) · 2024Article
- Integrated transcriptome and metabolome analysis of salinity tolerance in response to foliar application of choline chloride in rice (Frontiers in plant science · 2024Article
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Authors and funding
9 authors at 3 institutions in 3 countries.
Funding
Abstract
backgroundSalt stress is one of the key factors limiting rice production. Alginate oligosaccharides (AOS) enhance plant stress resistance. However, the molecular mechanism underlying salt tolerance in rice induced by AOS remains unclear. FL478, which is a salt-tolerant indica recombinant inbred line and IR29, a salt-sensitive rice cultivar, were used to comprehensively analyze the effects of AOS sprayed on leaves in terms of transcriptomic and metabolite profiles of rice seedlings under salt stress.
resultsIn this experiment, exogenous application of AOS increased SOD, CAT and APX activities, as well as GSH and ASA levels to reduce the damage to leaf membrane, increased rice stem diameter, the number of root tips, aboveground and subterranean biomass, and improved rice salt tolerance. Comparative transcriptomic analyses showed that the regulation of AOS combined with salt treatment induced the differential expression of 305 and 1030 genes in FL478 and IR29. The expressed genes enriched in KEGG pathway analysis were associated with antioxidant levels, photosynthesis, cell wall synthesis, and signal transduction. The genes associated with light-trapping proteins and RLCK receptor cytoplasmic kinases, including CBA, LHCB, and Lhcp genes, were fregulated in response to salt stress. Treatment with AOS combined with salt induced the differential expression of 22 and 50 metabolites in FL478 and IR29. These metabolites were mainly related to the metabolism of amino and nucleotide sugars, tryptophan, histidine, and β -alanine. The abundance of metabolites associated with antioxidant activity, such as 6-hydroxymelatonin, wedelolactone and L-histidine increased significantly. Combined transcriptomic and metabolomic analyses revealed that dehydroascorbic acid in the glutathione and ascorbic acid cycles plays a vital role in salt tolerance mediated by AOS.
conclusionAOS activate signal transduction, regulate photosynthesis, cell wall formation, and multiple antioxidant pathways in response to salt stress. This study provides a molecular basis for the alleviation of salt stress-induced damage by AOS in rice.
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