表观遗传学
生物
遗传(遗传算法)
表观遗传学
进化生物学
适应(眼睛)
生殖系
持久性(不连续性)
表型
遗传学
DNA甲基化
基因
工程类
基因表达
神经科学
岩土工程
作者
Dafni Anastasiadi,Clare J. Venney,Louis Bernatchez,Maren Wellenreuther
标识
DOI:10.1016/j.tree.2021.08.006
摘要
Epigenetic inheritance is another piece of the puzzle of nongenetic inheritance, although the prevalence, sources, persistence, and phenotypic consequences of heritable epigenetic marks across taxa remain unclear. We systematically reviewed over 500 studies from the past 5 years to identify trends in the frequency of epigenetic inheritance due to differences in reproductive mode and germline development. Genetic, intrinsic (e.g., disease), and extrinsic (e.g., environmental) factors were identified as sources of epigenetic inheritance, with impacts on phenotype and adaptation depending on environmental predictability. Our review shows that multigenerational persistence of epigenomic patterns is common in both plants and animals, but also highlights many knowledge gaps that remain to be filled. We provide a framework to guide future studies towards understanding the generational persistence and eco-evolutionary significance of epigenomic patterns.
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