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. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: Nature. 2010 May 30;466(7304):388–392. doi: 10.1038/nature09147

Figure 2. DNA methylation profiles of nucleosome-bound DNA in Arabidopsis.

Figure 2

The weighted average percent DNA methylation was calculated and plotted at each distance from nucleosome start sites (0). a, b, c, CG methylation (a), CHG methylation (b), and CHH methylation (c) each show a 10 base periodicity over nucleosome-bound DNA (1–147 bases). Fast Fourier Transforms (FFTs) can be used to deconstruct inherent frequencies in a complex signal. The FFTs calculated over the region of the nucleosome demonstrate this periodicity in CG (a), CHG (b), and CHH (b) contexts.