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. 2015 Oct 9;6:836. doi: 10.3389/fpls.2015.00836

Figure 1.

Figure 1

Genome-wide distribution of methylation level, transposon and gene contents along 10 B. rapa chromosomes. The X axis indicates the physical distances, and Y axis indicates the average methylation level or length of repeat in each 200-kb windows. Solid oval circles stand for the position of real centromeres, blank oval circles stand for the position of ancient centromeres (Wang et al., 2011; Cheng et al., 2013). CG, CHG, and CHH (where H = A, T, or C) indicates methylated cytosine residues in different sequence contexts.