ArticleBMC plant biology2024
Identification of quantitative trait loci and candidate genes for grain superoxide dismutase activity in wheat.
Article in BMC plant biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed.
- Integrated Proteomics and Metabolomics Analysis Reveals Regulatory Mechanisms Underlying Flower Bud Development in Camellia drupifera.Biochemical genetics · 2026Article
- High sulfate exacerbates heavy metal toxicity in Chinese cabbage (Brassica chinensis L.) by impairing plant ROS scavenging in heavy metals contaminated soil.BMC plant biology · 2026Article
- Micro-nanobubble oxygenation irrigation ameliorates saline-alkali soil properties, cotton physiology, and yield under different salt stress levels.Frontiers in plant science · 2026Article
- Identification and validation of functional markers for the superoxide dismutase gene TaSOD-B2 in common wheat.BMC plant biology · 2025Article
- Genome-Wide Expression Profile ofInternational journal of molecular sciences · 2025Article
- Integrative Physiological and Transcriptomic Analysis Reveals Metabolic Adaptation and Cold-Tolerance Marker Development in Winter Rye Under Low-Temperature Stress.Plants (Basel, Switzerland) · 2025Article
- Selenium Alleviates Manganese Toxicity in 'Red Fuji' Apple: Insights From Combined Physiological and Transcriptomic Approaches.Physiologia plantarumArticle
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6 authors.
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Abstract
backgroundSuperoxide dismutase (SOD) can greatly scavenge reactive oxygen species (ROS) in plants. SOD activity is highly related to plant stress tolerance that can be improved by overexpression of SOD genes. Identification of SOD activity-related loci and potential candidate genes is essential for improvement of grain quality in wheat breeding. However, the loci and candidate genes for relating SOD in wheat grains are largely unknown. In the present study, grain SOD activities of 309 recombinant inbred lines (RILs) derived from the 'Berkut' × 'Worrakatta' cross were assayed by photoreduction method with nitro-blue tetrazolium (NBT) in four environments. Quantitative trait loci (QTL) of SOD activity were identified using inclusive composite interval mapping (ICIM) with the genotypic data of 50 K single nucleotide polymorphism (SNP) array.
resultsSix QTL for SOD activity were mapped on chromosomes 1BL, 4DS, 5AL (2), and 5DL (2), respectively, explaining 2.2 ~ 7.4% of the phenotypic variances. Moreover, QSOD.xjau-1BL, QSOD.xjau-4DS, QSOD.xjau-5 A.1, QSOD.xjau-5 A.2, and QSOD.xjau-5DL.2 identified are likely to be new loci for SOD activity. Four candidate genes TraesCS4D01G059500, TraesCS5A01G371600, TraesCS5D01G299900, TraesCS5D01G343100LC, were identified for QSOD.xjau-4DS, QSOD.xjau-5AL.1, and QSOD.xjau-5DL.1 (2), respectively, including three SOD genes and a gene associated with SOD activity. Based on genetic effect analysis, this can be used to identify desirable alleles and excellent allele variations in wheat cultivars.
conclusionThese candidate genes are annotated for promoting SOD production and inhibiting the accumulation of ROS during plant growth. Therefore, lines with high SOD activity identified in this study may be preferred for future wheat breeding.
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