Ageing is inherent to all human beings, yet why we age remains a hotly contested topic. Most mechanistic explanations of ageing posit that ageing is caused by the accumulation of …
Parental environmental factors, including diet, body composition, metabolism, and stress, affect the health and chronic disease risk of people throughout their lives, as captured in the …
Errors occurring during DNA replication can result in inaccurate replication, incomplete replication, or re-replication, resulting in genome instability that can lead to diseases such as …
KN Schulz, MM Harrison - Nature Reviews Genetics, 2019 - nature.com
Following fertilization, the two specified gametes must unite to create an entirely new organism. The genome is initially transcriptionally quiescent, allowing the zygote to be …
DNA methylation (5-methylcytosine, 5mC) is a major form of DNA modification in the mammalian genome that plays critical roles in chromatin structure and gene expression. In …
A remarkable epigenetic remodelling process occurs shortly after fertilization, which restores totipotency to the zygote. This involves global DNA demethylation, chromatin remodelling …
Z Chen, Y Zhang - Annual review of biochemistry, 2020 - annualreviews.org
DNA methylation at the 5-position of cytosine (5mC) plays vital roles in mammalian development. DNA methylation is catalyzed by DNA methyltransferases (DNMTs), and the …
R Xu, C Li, X Liu, S Gao - Protein & cell, 2021 - academic.oup.com
Mammalian fertilization begins with the fusion of two specialized gametes, followed by major epigenetic remodeling leading to the formation of a totipotent embryo. During the …
Primordial germ cells (PGCs), the precursors of sperm and eggs, are established in perigastrulation-stage embryos in mammals. Signals from extra-embryonic tissues induce a …