ArticlePloS one2015
Transgenic alfalfa plants expressing the sweetpotato Orange gene exhibit enhanced abiotic stress tolerance.
Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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Who cites it
30 citing papers in PubMed, 90 citations in OpenAlex.
- Functional analysis ofPlant signaling & behavior · 2026Article
- Overexpression of the tomato SlLEA_2-26 gene enhances the tolerance to drought and salt stresses in Arabidopsis thaliana.Journal of plant research · 2026Article
- Cultivar-specific metabolomic and morpho-physiological responses reveal distinct salt tolerance mechanisms in rice (Oryza sativa L.).BMC plant biology · 2026Article
- Response of root morphology and anatomy of two alfalfa cultivars with contrasting root system architecture to phosphorus deficiency under drought stress.Frontiers in plant science · 2026Article
- ORANGE family proteins: multifunctional chaperones shaping plant carotenoid level, plastid development, stress tolerance, and more.Molecular horticulture · 2025Review
- Molecular Mechanisms of Alfalfa Response to Abiotic Stresses.Plants (Basel, Switzerland) · 2025Review
- Research on drought stress inFrontiers in plant science · 2024Review
- Metabolomics reveal root differential metabolites of different root-type alfalfa under drought stress.Frontiers in plant science · 2024Article
- Antioxidants of Non-Enzymatic Nature: Their Function in Higher Plant Cells and the Ways of Boosting Their Biosynthesis.Antioxidants (Basel, Switzerland) · 2023Review
- Exploring root system architecture and anatomical variability in alfalfa (Medicago sativa L.) seedlings.BMC plant biology · 2023Article
- Biochemical Characterization of Orange-Colored Rice Calli Induced by Target Mutagenesis ofPlants (Basel, Switzerland) · 2022Article
- Carrot DcALFIN4 and DcALFIN7 Transcription Factors Boost Carotenoid Levels and Participate Differentially in Salt Stress Tolerance When Expressed inInternational journal of molecular sciences · 2022Article
- The DnaJ-like Zinc Finger Protein ORANGE Promotes Proline Biosynthesis in Drought-StressedInternational journal of molecular sciences · 2022Article
- Characterization of cassava ORANGE proteins and their capability to increase provitamin A carotenoids accumulation.PloS one · 2022Article
- Overexpression of Orange Gene (Genes · 2021Article
- Comparative transcriptome analyses shed light on carotenoid production and plastid development in melon fruit.Horticulture research · 2021Article
- Overexpression of the Golden SNP-CarryingAntioxidants (Basel, Switzerland) · 2021Article
- Article
- Identification and Characterization of Contrasting Genotypes/Cultivars for Developing Heat Tolerance in Agricultural Crops: Current Status and Prospects.Frontiers in plant science · 2020Review
- A single amino acid change at position 96 (Arg to His) of the sweetpotato Orange protein leads to carotenoid overaccumulation.Plant cell reports · 2019Article
Corrections and comments
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Authors and funding
15 authors at 7 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Alfalfa (Medicago sativa L.), a perennial forage crop with high nutritional content, is widely distributed in various environments worldwide. We recently demonstrated that the sweetpotato Orange gene (IbOr) is involved in increasing carotenoid accumulation and enhancing resistance to multiple abiotic stresses. In this study, in an effort to improve the nutritional quality and environmental stress tolerance of alfalfa, we transferred the IbOr gene into alfalfa (cv. Xinjiang Daye) under the control of an oxidative stress-inducible peroxidase (SWPA2) promoter through Agrobacterium tumefaciens-mediated transformation. Among the 11 transgenic alfalfa lines (referred to as SOR plants), three lines (SOR2, SOR3, and SOR8) selected based on their IbOr transcript levels were examined for their tolerance to methyl viologen (MV)-induced oxidative stress in a leaf disc assay. The SOR plants exhibited less damage in response to MV-mediated oxidative stress and salt stress than non-transgenic plants. The SOR plants also exhibited enhanced tolerance to drought stress, along with higher total carotenoid levels. The results suggest that SOR alfalfa plants would be useful as forage crops with improved nutritional value and increased tolerance to multiple abiotic stresses, which would enhance the development of sustainable agriculture on marginal lands.
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