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논문 기본 정보

자료유형
학술저널
저자정보
Shin Hosub (Seoul National University) Choi Woo Lee (Seoul National University) Lim Joo Young (Seoul National University) Huh Jin Hoe (Seoul National University)
저널정보
한국유전학회 Genes & Genomics Genes & Genomics Vol.44 No.3
발행연도
2022.3
수록면
307 - 315 (9page)
DOI
10.1007/s13258-021-01199-5

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Background Epigenetic modifications play important roles in diverse cellular processes such as X chromosome inactivation, cell differentiation, development and senescence. DNA methylation and histone modifications are major epigenetic modifications that regulate chromatin structure and gene expression without DNA sequence changes. Epigenetic alterations may induce phenotypic changes stable enough for mitotic or meiotic inheritance. Moreover, the reversibility of epigenetic marks makes the manipulation of chromatin and epigenetic signature an attractive strategy for therapeutic and breeding purposes. Targeted epigenetic manipulation, or epigenome editing, at the gene of interest commonly utilizes specific epigenetic modifiers fused with a targeting module of the conventional genome editing system. Objective This review aims to summarize essential epigenetic components and introduce currently available epigenetic mutants and the corresponding epialleles in plants. Furthermore, advances in epigenome editing technology are discussed while proposing its potential application to plant breeding. Conclusions Epimutations associated with useful traits may provide a valuable resource for crop development. It is important to explore epimutations in a variety of crop species while understanding the fundamental aspects of epigenetic regulation of agronomically important traits such as yield, quality, disease resistance and stress tolerance. In the end, plant breeding programs through epigenome editing may help not only to expand the use of limited genetic resources but also to alleviate consumers’ concerns about genetically manipulated crops.

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