ArticleScientific reports2025
Uncovering genetic determinants of antioxidant properties in Thai landrace rice through genome-wide association analysis.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- Article
- Genotypic Variation and Genetic Control of Phenolic Compounds and Antioxidant Activity in Shanlan Upland Rice Landrace.International journal of molecular sciences · 2025Article
- Anthocyanin-Rich Fraction from Kum Akha Black Rice Attenuates NLRP3 Inflammasome-Driven Lung Inflammation In Vitro and In Vivo.Nutrients · 2025Article
Corrections and comments
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Authors and funding
12 authors.
Funding
Abstract
Pigmented rice (Oryza sativa L.) is recognized as a source of natural antioxidant compounds, such as flavonoids, oryzanol, tocopherol, and anthocyanin. Because of their nutritional benefits, anthocyanin-enriched or pigmented rice varieties are feasible alternatives for promoting human health. Pigment biosynthesis in rice is a complex process that involves multiple biosynthetic and regulatory genes. This study aimed to identify the genes associated with antioxidant traits in local Thai rice and develop molecular markers for breeding programs. Single nucleotide polymorphisms (SNPs) in 233 rice cultivars, 119,541 SNPs from the promoters, and the first 5 exons of all genes were associated with antioxidant phenotypes determined using 2,2'-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid), 2,2-diphenyl-1-picrylhydrazyl, ferric reducing antioxidant power, total flavonoid content, and total phenolic content assays through a mixed linear model (MLM) genome-wide association study (GWAS). GWAS analysis detected 336 quantitative trait nucleotides located at 93 loci, 83% of which were consistently mapped to the reported quantitative trait loci of antioxidant traits. Ten loci, including the OsRc gene, were consistently co-associated with all phenotypic traits. Two genetic markers for polymerase chain reaction detection were developed for the OsTT8 gene and the OsRc promoter, both of which were positively correlated with antioxidant properties. These markers can be applied for antioxidant trait selection in rice breeding programs.
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