De novo DNA methylation: a germ cell perspective

SA Smallwood, G Kelsey - Trends in Genetics, 2012 - cell.com
DNA methylation is a fundamentally important epigenetic modification of the mammalian
genome that has widespread influences on gene expression. During germ-cell specification …

New insights into establishment and maintenance of DNA methylation imprints in mammals

G Kelsey, R Feil - … Transactions of the Royal Society B …, 2013 - royalsocietypublishing.org
Fundamental to genomic imprinting in mammals is the acquisition of epigenetic marks that
differ in male and female gametes at 'imprinting control regions'(ICRs). These marks mediate …

Bovine DNA methylation imprints are established in an oocyte size-specific manner, which are coordinated with the expression of the DNMT3 family proteins

AM O'Doherty, LC O'Shea, T Fair - Biology of reproduction, 2012 - academic.oup.com
A subset of genes, known as imprinted genes, is present in the mammalian genome.
Genomic imprinting governs the monoallelic expression of these genes, depending on …

HBx induces hypomethylation of distal intragenic CpG islands required for active expression of developmental regulators

SM Lee, Y Lee, JB Bae, JK Choi… - Proceedings of the …, 2014 - National Acad Sciences
Epigenetic alterations caused by viral oncoproteins are strong initiation factors for cancer
development, but their mechanisms are largely unknown. To identify the epigenetic effects of …

The Dnmt3L ADD domain controls cytosine methylation establishment during spermatogenesis

G Vlachogiannis, CE Niederhuth, S Tuna… - Cell reports, 2015 - cell.com
A critical aspect of mammalian gametogenesis is the reprogramming of genomic DNA
methylation. The catalytically inactive adaptor Dnmt3L is essential to ensuring this occurs …

Induction of DNA methylation by artificial piRNA production in male germ cells

D Itou, Y Shiromoto, Y Shin-ya, C Ishii, T Nishimura… - Current Biology, 2015 - cell.com
Global DNA demethylation and subsequent de novo DNA methylation take place in
mammalian male embryonic germ cells [1–3]. P-element-induced wimpy testis (PIWI) …

Plasticity in Dnmt3L-dependent and -independent modes of de novo methylation in the developing mouse embryo

M Guenatri, R Duffié, J Iranzo, P Fauque… - …, 2013 - journals.biologists.com
A stimulatory DNA methyltransferase co-factor, Dnmt3L, has evolved in mammals to assist
the process of de novo methylation, as genetically demonstrated in the germline. The …

Intragenic sequences in the trophectoderm harbour the greatest proportion of methylation errors in day 17 bovine conceptuses generated using assisted reproductive …

AM O'Doherty, P McGettigan, RE Irwin, DA Magee… - BMC genomics, 2018 - Springer
Background Assisted reproductive technologies (ART) are widely used to treat fertility issues
in humans and for the production of embryos in mammalian livestock. The use of these …

Extended in vitro maturation affects gene expression and DNA methylation in bovine oocytes

J Heinzmann, F Mattern, P Aldag… - MHR: Basic science …, 2015 - academic.oup.com
To mimic post-ovulatory ageing, we have extended the in vitro maturation (IVM) phase to 48
h and examined effects on (i) developmental potential,(ii) expression of a panel of …

Ontogeny, conservation and functional significance of maternally inherited DNA methylation at two classes of non-imprinted genes

CE Rutledge, A Thakur, KM O'Neill, RE Irwin… - …, 2014 - journals.biologists.com
A functional role for DNA methylation has been well-established at imprinted loci, which
inherit methylation uniparentally, most commonly from the mother via the oocyte. Many CpG …