ArticleFrontiers in plant science2022
Gene expression and DNA methylation altering lead to the high oil content in wild allotetraploid peanut (
Article in Frontiers in plant science, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Epigenetic modifications regulate peg elongation and underground fruiting in peanut in response to environmental cues.The plant genome · 2026Review
- Regulation of DNA Methylation in Peanut Leaves and Roots: Uncovering the Molecular Mechanisms for Increased Yield After Single-Seed Sowing.Plant biotechnology journal · 2025Article
- Plant oil biosynthesis and genetic improvement: progress, challenges, and opportunities.Plant physiology · 2025Review
- Optimizing Peanut (Plants (Basel, Switzerland) · 2024Review
- Omics-driven advances in the understanding of regulatory landscape of peanut seed development.Frontiers in plant science · 2024Review
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Authors and funding
16 authors.
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Abstract
Introduction: The wild allotetraploid peanut Methods: We investigated this aspect by performing comparative transcriptomics from developing seeds between three wild and five cultivated peanut varieties. Results: The analyses not only showed species-specific grouping transcriptional profiles but also detected two gene clusters with divergent expression patterns between two species enriched in lipid metabolism. Further analysis revealed that expression alteration of lipid metabolic genes with co-expressed transcription factors in wild peanut led to enhanced activity of oil biogenesis and retarded the rate of lipid degradation. In addition, bisulfite sequencing was conducted to characterize the variation of DNA methylation between wild allotetraploid (245, WH 10025) and cultivated allotetraploid (Z16, Zhh 7720) genotypes. CG and CHG context methylation was found to antagonistically correlate with gene expression during seed development. Differentially methylated region analysis and transgenic assay further illustrated that variations of DNA methylation between wild and cultivated peanuts could affect the oil content Discussion: From the results, we deduced that DNA methylation may negatively regulate lipid metabolic genes and transcription factors to subtly affect oil accumulation divergence between wild and cultivated peanuts. Our work provided the first glimpse on the regulatory mechanism of gene expression altering for oil accumulation in wild peanut and gene resources for future breeding applications.
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