Contact: Andy Hoang
Caption: Thousand of epigenetic switches in the liver control whether genes turn on or off in response to circadian cycles. The figure illustrates daily changes, every six hours, in five different features of chromatin associated with the timed expression of a gene (red track on top).
Credit: Image: Courtesy Jamie Simon, Salk Institute for Biological Studies
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Related news release: More than 3,000 epigenetic switches control daily liver cycles