ArticleFrontiers in plant science2023
Epitype-inducing temperatures drive DNA methylation changes during somatic embryogenesis in the long-lived gymnosperm Norway spruce.
Article in Frontiers in plant science, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Article
- Response of DNA methylation and gene expression to light treatments in Norway spruce [Picea abies (L.) Karst.].BMC genomics · 2026Article
- Article
- Temperature-induced variation in the transcriptome of maritime pine (Pinus pinaster Ait.) embryogenic masses modulates the phenotype of the derived plants.BMC genomics · 2025Article
- Freeze-Dependent Physiological and Transcriptional Changes inInternational journal of molecular sciences · 2025Article
- Epigenetic responses of trees to environmental stress in the context of climate change.Biological reviews of the Cambridge Philosophical Society · 2025Review
- Epigenetic stress memory in gymnosperms.Plant physiology · 2024Review
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7 authors.
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Abstract
An epigenetic memory of the temperature sum experienced during embryogenesis is part of the climatic adaptation strategy of the long-lived gymnosperm Norway spruce. This memory has a lasting effect on the timing of bud phenology and frost tolerance in the resulting epitype trees. The epigenetic memory is well characterized phenotypically and at the transcriptome level, but to what extent DNA methylation changes are involved have not previously been determined. To address this, we analyzed somatic epitype embryos of Norway spruce clones produced at contrasting epitype-inducing conditions (18 and 28°C). We screened for differential DNA methylation in 2744 genes related mainly to the epigenetic machinery, circadian clock, and phenology. Of these genes, 68% displayed differential DNA methylation patterns between contrasting epitype embryos in at least one methylation context (CpG, CHG, CHH). Several genes related to the epigenetic machinery (e.g., DNA methyltransferases,
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