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. 2016 Feb 12;11(2):e0148313. doi: 10.1371/journal.pone.0148313

Fig 2.

Fig 2

By targeted methyl-C DNA sequencing (principle explained in A), DMR1 (see Table 3) was analyzed. Within the 80 bp region analyzed (B), 2 patterns were found after bisulfite sequencing. Strands were either completely unmethylated (B1) or hemimethylated at 4 sites presenting as heterozygous calls (B1+B2). For comparison, the converted upper strand is shown (B3). The unaffected twins showed hemimethylation of 4 (boxes) out of 16 methylation sensitive C nucleotides (C1+C2) and hypomethylation (loss of methylation) in affected twins (C3+C4). Open circle: unmethylated, closed circle: methylated.