ArticleNature communications2025
Adaptive dynamics of extrachromosomal circular DNA in rice under nutrient stress.
Article in Nature communications, 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.
- Transposable elements and their epigenetic modifications mediate gene expression and subgenome dominance in Brassica carinata.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Circle-seq analysis reveals the involvement of eccDNAs in salt stress response of bermudagrass (Cynodon dactylon).BMC genomics · 2026Article
- Extrachromosomal circular DNA are functional, heritable units that expand genomic plasticity and confer resilience.Frontiers in plant science · 2026Review
- DNA Circles as Vehicles for Genes to Evade Chromosomal Discipline.Genome biology and evolution · 2025Article
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Extrachromosomal circular DNAs (eccDNAs) have been identified in various eukaryotic organisms and are known to play crucial roles in genomic plasticity. However, in crop plants, the role of eccDNAs in responses to environmental cues, particularly nutritional stresses, remains unexplored. Rice (Oryza sativa ssp. japonica), a vital crop for over half the world's population and an excellent model plant for genomic studies, faces numerous environmental challenges during growth. Therefore, we conduct comprehensive studies investigating the distribution, sequence, and potential responses of rice eccDNAs to nutritional stresses. We describe the changes in the eccDNA landscape at various developmental stages of rice in optimal growth. We also identify eccDNAs overlapping with genes (ecGenes), transposable elements (ecTEs), and full-length repeat units (full-length ecRepeatUnits), whose prevalence responds to nitrogen (N) and phosphorus (P) deficiency. We analyze multiple-fragment eccDNAs and propose a potential TE-mediated homologous recombination mechanism as the origin of rice's multiple-fragment eccDNAs. We provide evidence for the role of eccDNAs in the rice genome plasticity under nutritional stresses and underscore the significance of their abundance and specificity.
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