Institut für Entwicklungsbiochemie, Universitätsmedizin, Georg-August-Universität , Göttingen , Germany.
Entwicklungsgenetik, Fachbereich Biologie, Philipps-Universität , Marburg , Germany.
Cell Cycle. 2019 Nov;18(21):2817-2827. doi: 10.1080/15384101.2019.1665948. Epub 2019 Sep 22.
Deoxyribonucleotide metabolites (dNTPs) are the substrates for DNA synthesis. It has been proposed that their availability influences the progression of the cell cycle during development and pathological situations such as tumor growth. The mechanism has remained unclear for the link between cell cycle and dNTP levels beyond their role as substrates. Here, we review recent studies concerned with the dynamics of dNTP levels in early embryos and the role of DNA replication checkpoint as a sensor of dNTP levels.
脱氧核苷酸代谢物 (dNTPs) 是 DNA 合成的底物。据推测,它们的可用性会影响发育过程中和肿瘤生长等病理情况下细胞周期的进程。除了作为底物的作用外,细胞周期与 dNTP 水平之间的联系机制尚不清楚。本文综述了近期关于早期胚胎中 dNTP 水平动态变化以及 DNA 复制检验点作为 dNTP 水平传感器作用的研究。