Enrichment of hypomethylated and methylated genes in, respectively, H3K4me3 and H3K9me3. (a) Post-MBT proportions of H3K4me3, H3K9me3 and H3K27me3 enrichment on methylated promoters, hypomethylated promoters and promoters with genome-average methylation (that is, neither statistically hypomethylated nor methylated; 'No Me'). *P < 10-4 relative to the opposite methylation state (Fisher). Histone methylation data are from our laboratory . (b) Proportions of hypomethylated promoters not marked by H3K4me3 (or any other histone modification), or co-enriched in H3K4me3 only or with a repressive mark (H3K9me3, or H3K27me3, or both).
Andersen et al. Genome Biology 2012 13:R65 doi:10.1186/gb-2012-13-7-r65