ArticleMolecular horticulture2025
DNA methylation dynamics in male germline development in Brassica Rapa.
Article in Molecular horticulture, 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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Who cites it
3 citing papers in PubMed.
- Artificial autotetraploidy modulates flowering regulation in industrial hemp through DNA methylation and transcriptomic reprogramming.Molecular horticulture · 2026Article
- Genetic and Epigenetic Mechanisms Underpinning Biotic Stress Resilience ofPlants (Basel, Switzerland) · 2025Review
- Epigenetic odyssey to decrypt the hidden code for sustainable brassica production: enhancing yield, stress resilience and nutritional quality.Frontiers in plant science · 2025Review
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Authors and funding
5 authors.
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Abstract
Dynamic DNA methylation represses transposable elements (TEs) and regulates gene activity, playing a pivotal role in plant development. Although substantial progress has been made in understanding DNA methylation reprogramming during germline development in Arabidopsis thaliana, whether similar mechanisms exist in other dicot plants remains unclear. Here, we analyzed DNA methylation levels in meiocytes, microspores, and pollens of Brassica Rapa using whole-genome bisulfite sequencing (WGBS). Global DNA methylation analysis revealed similar CHH methylation reprogramming compared to Arabidopsis, while distinct patterns were observed in the dynamics of global CG and CHG methylation in B. rapa. Differentially methylated region (DMR) analysis identified specifically methylated loci in the male sex cells of B. Rapa with a stronger tendency to target genes, similar to observations in Arabidopsis. Additionally, we found that the activity and genomic targeting preference of the small RNA-directed DNA methylation (RdDM) were altered during B. Rapa male germline development. A subset of long terminal repeat (LTR) TEs were activated, possibly due to the dynamic regulation of DNA methylation during male sexual development in B. Rapa. These findings provided new insights into the evolution of epigenetic reprogramming mechanisms in plants.
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