ArticlePloS one2022
Overexpression of VvASMT1 from grapevine enhanced salt and osmotic stress tolerance in Nicotiana benthamiana.
Article in PloS one, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 24 citations in OpenAlex.
- Melatonin-enabled omics: understanding plant responses to single and combined abiotic stresses for climate-smart agriculture.GM crops & food · 2026Review
- Genome-Wide Identification of the ASMT Gene Family and Expression Analysis of Wheat ASMTs Under Abiotic and Biotic Stress.Biology · 2026Article
- Melatonin seed priming: A climate-smart, green strategy to enhance abiotic stress tolerance in plants.Journal of integrative plant biology · 2026Review
- Phytomelatonin as a key regulator of drought stress adaptation: signaling networks, microbial interactions, and biotechnological potential.Frontiers in plant science · 2026Review
- Melatonin: a multifaceted regulator of root development, stress responses, and hormonal crosstalk in horticultural crops.Frontiers in plant science · 2026Review
- Sophisticated crosstalk of tryptophan-derived metabolites in plant stress responses.Plant communications · 2025Review
- Biphasic Salt Effects onInternational journal of molecular sciences · 2025Article
- Ethylene modulates the phenylpropanoid pathway by enhancingHorticulture research · 2025Article
- Genome-Wide Characterization and Expression Profiling of the AP2/ERF Gene Family inInternational journal of molecular sciences · 2024Article
- Cloning of the SoybeanPlants (Basel, Switzerland) · 2023Article
- Functional Differences of Grapevine Circular RNAPlants (Basel, Switzerland) · 2023Article
- Genome Identification of the Tea Plant (Genes · 2023Article
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Salt and drought stresses are major environmental conditions that severely limit grape growth and productivity, while exogenous melatonin can alleviate the drought and salt damage to grapevines. N-acetylserotonin methyltransferase (ASMT) is the key enzyme in melatonin synthesis, which plays a critical role in regulating stress responses. However, the roles of ASMTs from grapevine under drought and salt stresses responses remain largely unclear. In this study, the VvASMT1 gene was isolated from grapevine, and its physiological functions in salt and mimic drought stress tolerance were investigated. Expression pattern analysis revealed that VvASMT1 was significantly induced by different salt and osmotic stresses. Ectopic expression of VvASMT1 in Nicotiana benthamiana significantly enhanced melatonin production in transgenic plants. Compared with wild-type plants, the transgenic lines exhibited a higher germination ratio, longer root length, lower degree of leaf wilting and relative water content (RWC) under salt and osmotic stresses. In addition, under salt and osmotic stresses, overexpression of VvASMT1 improved proline and malondialdehyde (MDA) contents, increased the activity of antioxidant enzymes and decreased the accumulation of reactive oxygen species (ROS). Taken together, our results demonstrate the explicit role of VvASMT1 in salt and osmotic stress responses, which provides a theoretical foundation for the genetic engineering of grapevine.
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