What Are the Key Mechanisms of Epigenetic Regulation?
Key mechanisms of epigenetic regulation include DNA methylation, histone modification, and non-coding RNA interactions. DNA methylation typically suppresses gene expression, while histone modifications can either activate or repress gene expression depending on the type of modification. Non-coding RNAs also play a role in post-transcriptional regulation. These mechanisms work together to control the accessibility of genes to the transcriptional machinery.