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Table 3 Annotation of CpG sites and differential methylated regions (DMRs) in the pairwise comparison

From: Genome-wide DNA methylation analysis in Chinese Chenghua and Yorkshire pigs

Genetic features

Number

Annotated with genea

Annotated within CpGb

Promoter

Exon

Intron

Intergenic

CpG island

CpG shore

Other regions

CpG sites

2,416,211

28.31%

15.08%

36.01%

20.60%

48.93%

18.96%

32.11

DMRs

722

3.32%

12.33%

50.69%

33.66%

12.19%

16.48%

71.33%

  1. aAnnotated with gene, the percentage of CpG sites or differential methylated regions that overlap with gene promoter, exon, intron, or intergenic; bAnnotated within CpG, the percentage of CpG sites or differential methylated regions that overlap with CpG island, CpG shore or other regions