ArticlePlant physiology2024
Epigenetic factors direct synergistic and antagonistic regulation of transposable elements in Arabidopsis.
Article in Plant physiology, 2024. 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
- Short days, long memories: plastid-to-nucleus signaling links photoperiod to heritable epigenetic change.Plant physiology · 2026Article
- Computational Workflow for Genome-Wide DNA Methylation Profiling and Differential Methylation Analysis.Bio-protocol · 2025Article
- The arabidopsis GyraseB3 contributes to transposon silencing by promoting histone deacetylation.Nucleic acids research · 2025Article
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Authors and funding
5 authors.
Funding
Abstract
Arabidopsis (Arabidopsis thaliana) HISTONE DEACETYLASE 6 (HDA6) and HISTONE DEMETHYLASES LSD-LIKE 1 (LDL1) and LDL2 synergistically regulate the expression of long non-coding RNAs associated with H3Ac and H3K4me2. The underlying mechanisms of such highly coordinated interactions among genetic and epigenetic factors contributing to this collaborative regulation remain largely unclear. We analyzed all transposable elements (TEs) across the Arabidopsis genome and the individual and combined roles of HDA6 and LDL1/LDL2 by dissecting multilayered epigenomes and their association with transcription. Instead of an individual synergistic effect, we observed dual synergistic and antagonistic effects, which are positively associated with H3Ac and H3K4me2 while maintaining a negative but moderate association with DNA methylation. Specifically, 2 modes of synergistic regulation were discovered in TEs: 74% are primarily regulated by HDA6, with less dependence on LDL1/LDL2, and the remaining 26% are co-regulated by both. Between the 2 modes, we showed that HDA6 has a strong effect on TE silencing, whereas LDL1/LDL2 plays a weaker yet crucial role in co-regulation with HDA6. Our results led to a model of epigenomic regulation-the differential de-repression between the 2 modes of synergistic regulation of TEs was determined by H3Ac and H3K4me2 levels, where TEs are in accessible chromatins free of DNA methylation, and this open chromatin environment precedes transcriptional changes and epigenome patterning. Our results discovered unbalanced effects of genetic factors in synergistic regulation through delicately coordinated multilayered epigenomes and chromatin accessibility.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.