ArticlePlant cell reports2015
Overexpression of CuZnSOD from Arachis hypogaea alleviates salinity and drought stress in tobacco.
Article in Plant cell reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.
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Who cites it
39 citing papers in PubMed, 103 citations in OpenAlex.
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- The maize GSK3-like kinase ZmSK1 negatively regulates drought tolerance by phosphorylating the transcription factor ZmCPP2.The Plant cell · 2025Article
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- Tetraspanin 5 orchestrates resilience to salt stress through the regulation of ion and reactive oxygen species homeostasis in rice.Plant biotechnology journal · 2025Article
- Overexpression of rice High-affinity Potassium Transporter gene OsHKT1;5 improves salinity and drought tolerance in Arabidopsis.Molecular biology reports · 2024Article
- Genome-wide association scan reveals the reinforcing effect of nano-potassium in improving the yield and quality of salt-stressed barley via enhancing the antioxidant defense system.Plant molecular biology · 2024Article
- Genome-wide identification of bHLH transcription factors in Kenaf (Physiology and molecular biology of plants : an international journal of functional plant biology · 2024Article
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- Multi-Omics Revealed Peanut Root Metabolism Regulated by Exogenous Calcium under Salt Stress.Plants (Basel, Switzerland) · 2023Article
- Effect of Salt Stress on Growth and Physiological Properties of Asparagus Seedlings.Plants (Basel, Switzerland) · 2022Article
- Molecular Evolution and Functional Divergence of Stress-Responsive Cu/Zn Superoxide Dismutases in Plants.International journal of molecular sciences · 2022Article
- The E3 Ligase GmPUB21 Negatively Regulates Drought and Salinity Stress Response in Soybean.International journal of molecular sciences · 2022Article
- Transcriptome and Physiological Analyses of a Navel Orange Mutant with Improved Drought Tolerance and Water Use Efficiency Caused by Increases of Cuticular Wax Accumulation and ROS Scavenging Capacity.International journal of molecular sciences · 2022Article
- Article
- Molecular and Biochemical Analysis of Duplicated Cytosolic CuZn Superoxide Dismutases of Rice andFrontiers in plant science · 2022Article
- Regulation of Reactive Oxygen Species and Antioxidant Defense in Plants under Salinity.International journal of molecular sciences · 2021Review
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
key messageOverexpression of CuZnSOD gene from Arachis hypogaea demonstrating its involvement in abiotic stress tolerance. Abiotic stress is accompanied by the formation of reactive oxygen species (ROS) such as superoxide, hydrogen peroxide, and hydroxyl radicals, causing extensive cellular damage and inhibition of photosynthesis that limit the plant productivity. The level of ROS in cells needs to be tightly regulated and the toxic effects of ROS are countered by enzymatic as well as non-enzymatic antioxidant systems. The superoxide dismutase is the first enzyme involved in the detoxification of ROS and converts superoxide (O2(·-)) radicals to H2O2. A full-length cDNA clone encoding a CuZnSOD, named AhCuZnSOD, was isolated from the salt tolerant cell lines of Arachis hypogaea, stably thriving at 200 mM NaCl. The cell line showed higher transcript accumulation under multiple abiotic stresses, including drought, salinity, cold and oxidative stress treatment. The functional role of AhCuZnSOD in alleviation of abiotic stress was assessed by its overexpression in transgenic tobacco plants. The T1 transgenic plants showed improved tolerance to salinity and dehydration stress as indicated by higher seed germination and better chlorophyll content. The transgenic plants survived under longer periods of water deficiency and salinity stress and displayed improved recovery after rehydration compared to the wild type (WT) plants. The enhanced level of the transgene correlated with higher relative water content, less electrolyte damage, less malondialdehyde, higher antioxidant enzyme activity, H2O2 and O2(·-) accumulation under stress conditions compared to WT plants. Our results substantiate that increased levels of SOD activity brought about by overexpression of AhCuZnSOD gene may play an important role in ameliorating oxidative injury induced by various environmental stresses.
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