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Figure 4 | BMC Genomics

Figure 4

From: Genome-wide and single-base resolution DNA methylomes of the Pacific oyster Crassostrea gigas provide insight into the evolution of invertebrate CpG methylation

Figure 4

Gene body methylation level across gene age. All the oyster genes were first mapped to different phylogenic nodes by the phylostratigraphic analysis, with 1 representing the oldest and 10 representing the youngest groups, respectively. Then the methylation levels for genes in different age groups were visualized by boxplot. The lower part of the panel depicts the 10 phylostrata used in this analysis, with the numbers of oyster genes mapped in the different phylostrata indicated.

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