Structure, stability and ecological significance of natural epigenetic variation: a large-scale survey in Plantago lanceolata

The New Phytologist
Bence GáspárWalter Durka

Abstract

Within-species diversity is an important driver of ecological and evolutionary processes. Recent research has found that plants can harbour significant epigenetic diversity, but its extent, stability and ecological significance in natural populations is largely unexplored. We analysed genetic, epigenetic and phenotypic variation in a large number of natural grassland populations of Plantago lanceolata, covering a broad geographical and environmental range. Within-population diversity and among-population differentiation were calculated from genetic and epigenetic marker data and from measurements of phenotypic traits, both for plants in the field and for the F1 generation grown in a common environment. We found weak but significant epigenetic population structure. A large part of the epigenetic population differences observed in the field was maintained in a common environment. Epigenetic differences were consistently related to genetic and environmental variation, and to a lesser degree to phenotypic variation and land use, with more grazed populations harbouring greater epigenetic diversity. Our study demonstrates that epigenetic diversity exists in natural populations of a common grassland species, and that at least part of ...Continue Reading

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Citations

Mar 18, 2020·The New Phytologist·Mimmi C ErikssonOvidiu Paun
May 13, 2020·International Journal of Molecular Sciences·Christoph C F SchinkelElvira Hörandl
Oct 6, 2020·Frontiers in Plant Science·Alexander JueterbockGalice Hoarau
Jan 30, 2021·Journal of Applied Genetics·Agata TyczewskaTomasz Twardowski
Oct 23, 2020·Functional & Integrative Genomics·Gaurav AgarwalRajeev K Varshney
Apr 23, 2021·American Journal of Botany·M Teresa BoqueteConchita Alonso
Aug 13, 2021·Evolution & Development·Jeannie MoungerChristina L Richards

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