Article
A bipartite element with allele-specific functions safeguards DNA methylation imprints at the Dlk1-Dio3 locus.
Developmental cell - 22 Nov 2021
Aronson Boaz E, Scourzic Laurianne, Shah Veevek, Swanzey Emily, Kloetgen Andreas, Polyzos Alexander, Sinha Abhishek, Azziz Annabel, Caspi Inbal, Li Jiexi, Pelham-Webb Bobbie, Glenn Rachel A, Vierbuchen Thomas, Wichterle Hynek, Tsirigos Aristotelis, Dawlaty Meelad M, Stadtfeld Matthias, Apostolou Effie
Abstract excerpt
Loss of imprinting (LOI) results in severe developmental defects, but the mechanisms preventing LOI remain incompletely understood. Here, we dissect the functional components of the imprinting control region of the essential Dlk1-Dio3 locus (called IG-DMR) in pluripotent stem cells. We demonstrate that the IG-DMR consists of two antagonistic elements: a paternally methylated CpG island that prevents recruitment...
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