Whole-genome bisulfite sequencing of two distinct interconvertible DNA methylomes of mouse embryonic stem cells

Ehsan Habibi, Arie B. Brinkman, Julia Arand, Leonie I. Kroeze, Hindrik H.D. Kerstens, Filomena Matarese, Konstantin Lepikhov, Marta Gut, Isabelle Brun-Heath, Nina C. Hubner, Rosaria Benedetti, Lucia Altucci, Joop H. Jansen, Jörn Walter, Ivo G. Gut, Hendrik Marks, Hendrik G. Stunnenberg

Onderzoeksoutput: Bijdrage aan tijdschriftArtikelpeer review

357 Citaten (Scopus)

Samenvatting

The use of two kinase inhibitors (2i) enables derivation of mouse embryonic stem cells (ESCs) in the pluripotent ground state. Using whole-genome bisulfite sequencing (WGBS), we show that male 2i ESCs are globally hypomethylated compared to conventional ESCs maintained in serum. In serum, female ESCs are hypomethyated similarly to male ESCs in 2i, and DNA methylation is further reduced in 2i. Regions with elevated DNA methylation in 2i strongly correlate with the presence of H3K9me3 on endogenous retroviruses (ERVs) and imprinted loci. The methylome of male ESCs in serum parallels postimplantation blastocyst cells, while 2i stalls ESCs in a hypomethylated, ICM-like state. WGBS analysis during adaptation of 2i ESCs to serum suggests that deposition of DNA methylation is largely random, while loss of DNA methylation during reversion to 2i occurs passively, initiating at TET1 binding sites. Together, our analysis provides insight into DNA methylation dynamics in cultured ESCs paralleling early developmental processes.

Originele taal-2Engels
Pagina's (van-tot)360-369
Aantal pagina's10
TijdschriftCell Stem Cell
Volume13
Nummer van het tijdschrift3
DOI's
StatusGepubliceerd - 5 sep. 2013
Extern gepubliceerdJa

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