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Editor's Choice: epigenetics

The expression of genes is tightly controlled by a variety of cellular mechanisms; such mechanisms can be termed ‘epigenetic’. Epigenetics is the study of altered, heritable gene activity states not dependent on changes in the DNA sequence (Bird 2007). This collection highlights articles spanning DNA methylation, histone modifications, chromatin structure and its function. 

DNA Methylation

Chromatin Structure & Function

Histone Modifications