Species-specific epigenetic responses to drought stress of two sympatric oak species reflect their ecological preferences

• DOI: 10.1101/2023.09.26.559529
• Publication Date: 2023-09-28T23:45:12Z
• Authors: B Rubio; G Le Provost; B Brachi; T Gerardin; O Brendel; J. Tost; Christian Daviaud; P Gallusci
• Keywords: Quercus petraea; Quercus robur

Summary In a context of climate change, it is necessary to decipher the strategies established by plants cope with limited water supply. Transcriptome, methylome and small RNA data were generated for two oak species contrasting levels drought tolerance ( Quercus robur petraea ), under control stress conditions All are in line species-specific response consistent their ecological preferences. The biological processes associated genomic regions identified all datasets mainly parietal Q. petraea, which may explain part its better deprivation. A significant proportion DNA methylation differences observed between maintained during DS constitute pool epigenetic markers discriminating these species. These enriched highly differentiated SNPs suggesting that some them be both or intrinsic barriers reproduction An integrative approach three revealed co-locations potential importance forest adaptation stress.