ArticleBMC plant biology2025
Integrated metabolomic and transcriptomic analysis highlight the flavonoid response to antioxidant activity and Aspergillus flavus resistance in peanut seed coats.
Article in BMC plant biology, 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.
- The FaDOF2-FaMYB4 transcriptional module regulates anthocyanin biosynthesis in strawberry fruit.Plant cell reports · 2026Article
- Etiology, Pathogenicity, and Fungicide Management of Pigeonpea Shoot Dieback Caused byJournal of fungi (Basel, Switzerland) · 2026Article
- Association of Qualitative Characters With Agronomic Traits, and Their Breeding Importance in Lentil (Plant-environment interactions (Hoboken, N.J.) · 2026Article
- Next-Generation Precision Breeding in Peanut (Insects · 2026Review
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Authors and funding
6 authors.
Funding
Abstract
backgroundPeanut seeds exhibit a high susceptibility to infection by Aspergillus flavus (A. flavus) post-harvest, which significantly limits their storage and marketability. The peanut seed coat acts as a crucial barrier against A. flavus, containing abundant flavonoids. Despite ongoing research, a comprehensive understanding of the inhibitory effects of flavonoids present in peanut seed coats on A. flavus remains elusive.
resultsThis study reveals significant differences in antioxidant activities and resistance to A. flavus among seed coat extracts from different peanut cultivars. A total of 1,314 metabolites were identified through untargeted metabolomics, among which flavonoids enhance both antioxidant activity and pigmentation in the seed coat. Compounds such as anthocyanins, aurones, and chalcones were strongly associated with increased resistance to A. flavus. Notably, cyanidin-3-O-sophoroside exhibited the highest concentration (10.83 mg/g dry weight) and demonstrated a minimum inhibitory concentration (MIC) of 50 µg/mL. By integrating transcriptomic and metabolomic data, we revealed candidate genes and metabolic pathways potentially associated with anthocyanin biosynthesis.
conclusionsThis study provides novel insights into the biochemical mechanisms underlying peanut resistance to A. flavus, while also supporting the valorization of peanut by-products and the breeding of resistant cultivars.
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