ArticleGenome biology2025
Differential epigenetic regulation by blue and UV-A light reveals the key role of CsSDG36-mediated H3K4 methylation in leaf development and secondary metabolism in Camellia sinensis.
Article in Genome biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed.
- Regulatory effects of different proportions of far-red light on key metabolic components in tea plants (Camellia sinensis L.).Journal of the science of food and agriculture · 2026Article
- Epigenetic regulation and ROS signaling in plant stress adaptation: an integrated framework.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Review
- Influence of Light Quality During Spreading on the Chemical and Aromatic Profile of Summer Green Tea.International journal of molecular sciences · 2026Article
- Effects of Optimized Key Processing Parameters on Macro-Compositions and Volatile Organic Compounds in High-Altitude Oolong Tea (Plants (Basel, Switzerland) · 2026Article
- H3K4 Methylation Readers in Plants: Recognition Mechanisms and Biological Functions.International journal of molecular sciences · 2026Review
- Dynamic regulatory mechanisms of histone methylation in plant development and environmental adaptation.Horticulture research · 2026Article
- Allele-specific methylation, and InDels ofHorticulture research · 2026Article
- Epigenetic regulation under light and temperature fluctuations: chromatin remodeling and transcriptional memory in plants.Plant cell reports · 2026Review
- Multi-dimensional regulation of tea leaf development: morphogenesis, hormone-transcriptional networks, environmental factors, and artificial cultivation practices.Frontiers in plant science · 2026Review
- Transcriptomic and biochemical analyses revealed the dynamic regulatory mechanisms underlying leaf morphogenesis inFrontiers in plant science · 2026Article
- Omics landscapes in molecular mechanisms withFood chemistry. Molecular sciences · 2025Review
- Differential epigenetic regulation by blue and UV-A light reveals the key role of CsSDG36-mediated H3K4 methylation in leaf development and secondary metabolism in Camellia sinensis.Genome biology · 2025Article
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9 authors.
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Abstract
backgroundThere is a Chinese proverb that good tea comes from high mountains with clouds and mists, suggesting the important impact of environmental factors on the development and secondary metabolism in tea plants. However, the epigenetic mechanism involved is still unclear.
resultsHigh altitude results in light enhancement with a higher retention of short-wavelength light in cloudy conditions, suggesting the key role of short-wavelength light in the quality formation of tea plants. Thus, we focus on the representative short-wavelength light, blue and UV-A, and characterize plant responses in epigenome, transcriptome, leaf development, and metabolome. We profile six histone modifications under different light wavelengths and link these to leaf development and secondary metabolism, including changes in gene expression during flavonoid, theanine, caffeine, and β-carotene biosynthesis. There is higher stomatal density and thicker mesophyll tissues under blue light, with higher levels of chlorophyll components under UV-A light. The epigenome results in differential changes of stomatal density and quality components in different light conditions. We further identify crucial histone modifications in leaf development and secondary metabolism. Functional analyses suggest diverse regulations mediated by cryptochrome and phototropin in light adaptation, and we confirm the important role of CsSDG36-mediated histone H3K4 methylation.
conclusionOur results not only reveal the landscape of histone modifications, transcripts, leaf development, and metabolites from different lights in tea plants, but also provide insight into the roles of photoreceptors and epigenetic mechanisms involved in leaf development and secondary metabolism.
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