ArticlePloS one2019
Overexpression of Saussurea involucrata dehydrin gene SiDHN promotes cold and drought tolerance in transgenic tomato plants.
Article in PloS one, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.
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32 citing papers in PubMed.
- GmPP2C113, a Soybean Protein Phosphatase, Positively Regulates Both Salt Tolerance and Symbiotic Nodulation.Genes · 2026Article
- The Enhancement of Abiotic Stress Tolerance inPlants (Basel, Switzerland) · 2026Article
- Overexpression of theInternational journal of molecular sciences · 2026Article
- Genome-Wide identification and expression analysis revealed the potential role of CHS gene family responding to atmospheric pressure stress in Saussurea involucrata.BMC plant biology · 2025Article
- Overexpression of cotton PLATZ transcription factors GhPLATZ01 and GhPLATZ15 improves the drought resistance of tomato.BMC plant biology · 2025Article
- Transcriptomic Analysis Reveals the Regulatory Mechanism of Cold Tolerance inInternational journal of molecular sciences · 2025Article
- Identification and Functional Validation of thePlants (Basel, Switzerland) · 2025Article
- The GenePlants (Basel, Switzerland) · 2025Article
- Article
- Overexpression ofInternational journal of molecular sciences · 2025Article
- New Insights into Involvement of Low Molecular Weight Proteins in Complex Defense Mechanisms in Higher Plants.International journal of molecular sciences · 2024Review
- Understanding cold stress response mechanisms in plants: an overview.Frontiers in plant science · 2024Review
- The Late Embryogenesis Abundant Proteins in Soybean: Identification, Expression Analysis, and the Roles of GmLEA4_19 in Drought Stress.International journal of molecular sciences · 2023Article
- Genomics, Proteomics, and Metabolomics Approaches to Improve Abiotic Stress Tolerance in Tomato Plant.International journal of molecular sciences · 2023Review
- Coping with the cold: unveiling cryoprotectants, molecular signaling pathways, and strategies for cold stress resilience.Frontiers in plant science · 2023Review
- Plant dehydrins and dehydrin-like proteins: characterization and participation in abiotic stress response.Frontiers in plant science · 2023Review
- Biotechnological Interventions in Tomato (Biotech (Basel (Switzerland)) · 2022Review
- The Poplar (Plants (Basel, Switzerland) · 2022Article
- Involvement of dehydrin proteins in mitigating the negative effects of drought stress in plants.Plant cell reports · 2022Review
- Drought tolerance improvement in3 Biotech · 2022Review
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Dehydrins are late embryogenesis abundant proteins that help regulate abiotic stress responses in plants. Overexpression of the Saussurea involucrata dehydrin gene SiDHN has previously been shown to improve water-use efficiency and enhance cold and drought tolerance of transgenic tobacco. To understand the mechanism by which SiDHN exerts its protective function, we transformed the SiDHN gene into tomato plants (Solanum lycopersicum L.) and assessed their response to abiotic stress. We observed that in response to stresses, the SiDHN transgenic tomato plants had increased contents of chlorophyll a and b, carotenoid and relative water content compared with wild-type plants. They also had higher maximal photochemical efficiency of photosystem II and accumulated more proline and soluble sugar. Compared to those wild-type plants, malondialdehyde content and relative electron leakage in transgenic plants were not significantly increased, and H2O2 and O2- contents in transgenic tomato plants were significantly decreased. We further observed that the production of stress-related antioxidant enzymes, including superoxide dismutase, ascorbate peroxidase, peroxidase, and catalase, as well as pyrroline-5-carboxylate synthetase and lipid transfer protein 1, were up-regulated in the transgenic plants under cold and drought stress. Based on these observations, we conclude that overexpression of SiDHN gene can promote cold and drought tolerance of transgenic tomato plants by inhibiting cell membrane damage, protecting chloroplasts, and enhancing the reactive oxygen species scavenging capacity. The finding can be beneficial for the application of SiDHN gene in improving crop tolerance to abiotic stress and oxidative damage.
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