Title |
Analysis of DNA methylation acquisition at the imprinted Dlk1 locus reveals asymmetry at CpG dyads
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Published in |
Epigenetics & Chromatin, May 2014
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DOI | 10.1186/1756-8935-7-9 |
Pubmed ID | |
Authors |
Alyssa Gagne, Abigail Hochman, Mahvish Qureshi, Celia Tong, Jessica Arbon, Kayla McDaniel, Tamara L Davis |
Abstract |
Differential distribution of DNA methylation on the parental alleles of imprinted genes distinguishes the alleles from each other and dictates their parent of origin-specific expression patterns. While differential DNA methylation at primary imprinting control regions is inherited via the gametes, additional allele-specific DNA methylation is acquired at secondary sites during embryonic development and plays a role in the maintenance of genomic imprinting. The precise mechanisms by which this somatic DNA methylation is established at secondary sites are not well defined and may vary as methylation acquisition at these sites occurs at different times for genes in different imprinting clusters. |
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