ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2025
Marker Metabolite-Based Multi-Omics Analysis Identifies New Loci Controlling Thousand Seed Weight in Brassica Napus.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Application of Metabolomics in Defence Responses ofMetabolites · 2026Review
- Roles of Metabolites Unveiled by Metabolomics inMetabolites · 2026Review
- A High-Thousand-Seed-Weight Mutant ofInternational journal of molecular sciences · 2026Article
- Marker Metabolite-Based Multi-Omics Analysis Identifies New Loci Controlling Thousand Seed Weight in Brassica Napus.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
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11 authors.
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Abstract
The thousand seed weight (TSW) of Brassica napus (B. napus) is a crucial agronomic trait, and metabolites serve as a bridge between genotype and phenotype. Leveraging previously released metabolome data from a 388 B. napus population, 137 marker metabolites significantly correlated with TSW are identified, and 21 markers significantly correlate with both TSW and seed oil content. To delve deeper into the relationships between selected marker metabolites and phenotypes, a comprehensive multi-omics analysis is conducted, which unveils 734 metabolite-QTLs, 5,225 expression-QTLs, and 9,077 transcriptome-wide significantly associated genes. Employing weighted correlation network analysis, a triple-link network is constructed involving 133 metabolites, 731 QTLs, and 3,321 genes. The multi-omics analysis highlights the impact of the transcriptional factor TGACG motif-binding factor 6 (BnaA03.TGA6) on TSW. Functional validation experiments with tga6 CRISPR/Cas9 mutants demonstrate larger seeds and altered associated metabolites levels compared to the wild type. RNA Sequencing, dual-luciferase assay, Cleavage Under Targets and Tagmentation, and Electrophoretic Mobility Shift Assay results confirm that BnaA03.TGA6 activates the expression of E3 ubiquitin-protein ligase DA2. In conclusion, this study is the first marker metabolite-based multi-omics analysis in unraveling the genetic basis of TSW in crop and identifying BnaA03.TGA6 as a novel gene negatively influencing TSW in B. napus.
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