ArticleJournal of plant research2021
Drought induces variation in the DNA methylation status of the barley HvDME promoter.
Article in Journal of plant research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 20 citations in OpenAlex.
- Methylome differences among barley inbreds and their association with genomic, transcriptomic, and phenotypic variation.Journal of experimental botany · 2026Article
- Review
- Using targeted genome methylation for crop improvement.Journal of experimental botany · 2025Review
- Enhancing Abiotic Stress Resilience in Mediterranean Woody Perennial Fruit Crops: Genetic, Epigenetic, and Microbial Molecular Perspectives in the Face of Climate Change.International journal of molecular sciences · 2025Review
- DNA Methylation Dynamics in Response to Drought Stress in Crops.Plants (Basel, Switzerland) · 2024Review
- Recent Advances in Studies of Genomic DNA Methylation and Its Involvement in Regulating Drought Stress Response in Crops.Plants (Basel, Switzerland) · 2024Review
- DNA methylation: an emerging paradigm of gene regulation under drought stress in plants.Molecular biology reports · 2024Review
- Genetic and Epigenetic Responses of Autochthonous Grapevine Cultivars from the 'Epirus' Region of Greece upon Consecutive Drought Stress.Plants (Basel, Switzerland) · 2023Article
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
Abstract
Cytosine methylation is an epigenetic modification with essential roles in diverse plant biological processes including vegetative and reproductive development and responsiveness to environmental stimuli. A dynamic process involving DNA methyltransferases and DNA demethylases establishes cytosine DNA methylation levels and distribution along the genome. A DNA demethylase gene from barley (Hordeum vulgare), DEMETER (HvDME), the homologue of the Arabidopsis thaliana DME (AtDME), has been characterized previously and found to respond to drought conditions. Here, the promoter of the HvDME gene was analysed further by in silico and DNA methylation analysis. The effect of drought conditions on the DNA methylation status of HvDME was investigated at single-cytosine resolution using bisulfite sequencing. It was demonstrated that the HvDME promoter can be divided into two discrete regions, in terms of DNA methylation level and density; a relatively unmethylated region proximal to the translational start site that is depleted of non-CG (CHG, CHH) methylation and another distal region, approximately 1500 bp upstream of the translational start site, enriched in CG, as well as non-CG methylation. Drought stress provoked alterations in the methylation status of the HvDME promoter distal region, whereas the DNA methylation of the proximal region remained unaffected. Computational analysis of the HvDME promoter revealed the presence of several putative regulatory elements related to drought responsiveness, as well as transposable elements (TEs) that may affect DNA methylation. Overall, our results expand our investigations of the epigenetic regulation of the HvDME gene in response to drought stress in barley and may contribute to further understanding of the epigenetic mechanisms underlying abiotic stress responses in barley and other cereals.
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