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. Author manuscript; available in PMC: 2018 Apr 1.
Published in final edited form as: Curr Opin Plant Biol. 2017 Mar 1;36:103–110. doi: 10.1016/j.pbi.2016.12.007

FIGURE 3. Poly-epialleles between A. thaliana accessions might provide the substrate for adaptive evolution.

FIGURE 3

A gene might “flip” DNA methylation state due to a change in targeting by a DNA methylation pathway. Changes to DNA methylation might be stable for many generations or represent more plastic changes occupying shorter periods of time. This variation could be adaptive, for example, in the face of environmental changes. The figure represents one example of a poly-epiallele (AT2G07680) identified by [37].