Decades of investigation on DNA methylation have led to deeper insights into its metabolic mechanisms and biological functions.This understanding was fueled by the recent development of genome editing tools and our im...Decades of investigation on DNA methylation have led to deeper insights into its metabolic mechanisms and biological functions.This understanding was fueled by the recent development of genome editing tools and our improved capacity for analyzing the global DNA methylome in mammalian cells.This review focuses on the maintenance of DNA methylation patterns during mitotic cell division.We discuss the latest discoveries of the mechanisms for the inheritance of DNA methylation as a stable epigenetic memory.We also highlight recent evidence showing the rapid turnover of DNA methylation as a dynamic gene regulatory mechanism.A body of work has shown that altered DNA methylomes are common features in aging and disease.We discuss the potential links between methylation maintenance mechanisms and diseaseassociated methylation changes.展开更多
基金supported by the Chinese Ministry of Science and Technology (2019YFA0801401 to B.Z.)the Chinese Academy of Sciences (XDB39000000 and QYZDY-SSW-SMC031 to B.Z.+1 种基金2019 Special Research Assistant Funding to Y.L.)the National Natural Science Foundation of China (32000559 to Y.L.)。
文摘Decades of investigation on DNA methylation have led to deeper insights into its metabolic mechanisms and biological functions.This understanding was fueled by the recent development of genome editing tools and our improved capacity for analyzing the global DNA methylome in mammalian cells.This review focuses on the maintenance of DNA methylation patterns during mitotic cell division.We discuss the latest discoveries of the mechanisms for the inheritance of DNA methylation as a stable epigenetic memory.We also highlight recent evidence showing the rapid turnover of DNA methylation as a dynamic gene regulatory mechanism.A body of work has shown that altered DNA methylomes are common features in aging and disease.We discuss the potential links between methylation maintenance mechanisms and diseaseassociated methylation changes.
