ArticleFrontiers in plant science2015
Overexpression of the Maize psbA Gene Enhances Drought Tolerance Through Regulating Antioxidant System, Photosynthetic Capability, and Stress Defense Gene Expression in Tobacco.
Article in Frontiers in plant science, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.
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Who cites it
43 citing papers in PubMed, 110 citations in OpenAlex.
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- Functional relocation of the maize chloroplast atpB gene to the nucleus restores photosynthetic competence to a gene-edited non-photosynthetic mutant.Plant biotechnology journal · 2025Article
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- A novel AP2/ERF transcription factor, NtERF10, positively regulates plant height in tobacco.Transgenic research · 2024Article
- Modulation of antioxidant defense and PSII components by exogenously applied acetate mitigates salinity stress in Avena sativa.Scientific reports · 2024Article
- Effects of drought stress on photosynthetic physiological characteristics, leaf microstructure, and related gene expression of yellow horn.Plant signaling & behavior · 2023Article
- Potentiality of Sustainable Maize Production under Rainfed Conditions in the Tropics by Triggering Agro-Physio-Biochemical Traits Ascertained from a Greenhouse.Plants (Basel, Switzerland) · 2023Article
- Drought-Stress-Induced Changes in Chloroplast Gene Expression in Two Contrasting Strawberry Tree (Plants (Basel, Switzerland) · 2023Article
- Data-Mining of Barley to Identify Salt Stress Hub Genes, Gene Expression Analysis and Recombinant Plasmid Construction.Iranian journal of biotechnology · 2023Article
- Transcriptome analysis of response strategy in Hemerocallis fulva under drought stress.Genes & genomics · 2023Article
- LED omics in Rocket Salad (Plants (Basel, Switzerland) · 2023Article
- Overexpression ofInternational journal of molecular sciences · 2023Article
- Identification of loci associated with water use efficiency and symbiotic nitrogen fixation in soybean.Frontiers in plant science · 2023Article
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Corrections and comments
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Authors and funding
4 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The psbA (encoding D1 protein) plays an important role in protecting photosystem II (PSII) from oxidative damage in higher plants. In our previous study, the role of the psbA from maize (Zea mays. L) in response to SO2 stress was characterized. To date, information about the involvement of the psbA gene in drought response is scarce. Here we found that overexpression (OE) of ZmpsbA showed increased D1 protein abundance and enhanced drought stress tolerance in tobacco. The drought-tolerant phenotypes of the OE lines were accompanied by increases of key antioxidant enzymes SOD, CAT, and POD activities, but decreases of hydrogen peroxide, malondialdehyde, and ion leakage. Further investigation showed that the OE plants had much less reductions than the wild-type in the net photosynthesis rate (Pn), stomatal conductance (Gs), and the maximal photochemical efficiency of PSII (Fv/Fm) during drought stress; indicating that OE of ZmpsbA may alleviate photosynthesis inhibition during drought. qRT-PCR analysis revealed that there was significantly increased expression of NtLEA5, NtERD10C, NtAREB, and NtCDPK2 in ZmpsbA-OE lines. Together, our results indicate that ZmpsbA improves drought tolerance in tobacco possibly by alleviating photosynthesis reduction, reducing reactive oxygen species accumulation and membrane damage, and modulating stress defense gene expression. ZmpsbA could be exploited for engineering drought-tolerant plants in molecular breeding of crops.
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