Sympatric European white oaks species display contrasting epigenetic response to soil water availability

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ID: 328357
2026
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Abstract
In the context of climate change plants have to cope with adverse conditions, among which water scarcity is a major threat for their survival. They have developed diverse regulatory processes to face drought that may differ depending on their ecological niche. The two sympatric oaks species (Quercus robur L. and Quercus petraea (Matt.). Liebl) have different levels of drought tolerance. We have investigated their strategies to face drought stress by analysing the transcriptome, small RNAome and methylome dynamics of young plants grown under control and drought stress conditions. Data indicate that cell wall remodeling is most likely involved in the better tolerance Q. petraea than of Q. robur. Furthermore, major methylation differences were identified between both oak species that were in part associated to their difference in drought stress responses. Integration of the three datasets revealed genomic co-locations of potential importance for forest tree adaptation to drought stress. Our data are consistent with species-specific molecular responses of oak to drought stress related to their ecological niches.
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openalex_W7212366288 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors B Rubio, Grégoire Le Provost, Benjamin Brachi, T Gerardin, Brendel, Oliver, Jörg Tost, C Daviaud, Philippe Gallusci
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Journal Tree physiology
Year 2026
DOI
10.1093/treephys/tpag134
URL
https://doi.org/10.1093/treephys/tpag134
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