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植物进化和繁殖过程中的跨代表观遗传遗传。

Transgenerational epigenetic inheritance during plant evolution and breeding.

机构信息

Temasek Life Sciences Laboratory, National University of Singapore, Singapore 117604, Singapore.

Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712, USA.

出版信息

Trends Plant Sci. 2024 Nov;29(11):1203-1223. doi: 10.1016/j.tplants.2024.04.007. Epub 2024 May 28.

DOI:10.1016/j.tplants.2024.04.007
PMID:38806375
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11560745/
Abstract

Plants can program and reprogram their genomes to create genetic variation and epigenetic modifications, leading to phenotypic plasticity. Although consequences of genetic changes are comprehensible, the basis for transgenerational inheritance of epigenetic variation is elusive. This review addresses contributions of external (environmental) and internal (genomic) factors to the establishment and maintenance of epigenetic memory during plant evolution, crop domestication, and modern breeding. Dynamic and pervasive changes in DNA methylation and chromatin modifications provide a diverse repertoire of epigenetic variation potentially for transgenerational inheritance. Elucidating and harnessing epigenetic inheritance will help us develop innovative breeding strategies and biotechnological tools to improve crop yield and resilience in the face of environmental challenges. Beyond plants, epigenetic principles are shared across sexually reproducing organisms including humans with relevance to medicine and public health.

摘要

植物可以对其基因组进行编程和重新编程,从而创造遗传变异和表观遗传修饰,导致表型可塑性。尽管遗传变化的后果是可以理解的,但表观遗传变异的跨代遗传的基础尚不清楚。本综述讨论了外部(环境)和内部(基因组)因素在植物进化、作物驯化和现代育种过程中建立和维持表观遗传记忆方面的贡献。DNA 甲基化和染色质修饰的动态和普遍变化为潜在的跨代遗传提供了多样化的表观遗传变异库。阐明和利用表观遗传遗传将帮助我们开发创新的育种策略和生物技术工具,以提高作物的产量和应对环境挑战的弹性。除了植物之外,表观遗传原则在包括人类在内的有性繁殖生物中是共有的,与医学和公共卫生有关。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/83a1/11560745/0d876589d6ab/nihms-1992514-f0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/83a1/11560745/8b876d445ab7/nihms-1992514-f0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/83a1/11560745/f80e09e1d5f8/nihms-1992514-f0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/83a1/11560745/21e322d2137b/nihms-1992514-f0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/83a1/11560745/0d876589d6ab/nihms-1992514-f0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/83a1/11560745/8b876d445ab7/nihms-1992514-f0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/83a1/11560745/f80e09e1d5f8/nihms-1992514-f0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/83a1/11560745/21e322d2137b/nihms-1992514-f0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/83a1/11560745/0d876589d6ab/nihms-1992514-f0004.jpg

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