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DNA甲基化作为一种重要的非永久性但相对长期可遗传的基因修饰,在维持细胞正常的转录活性、DNA损伤修复能力以及在遗传印记、胚胎发育和肿瘤的发生发展中都有不可替代的作用,是分子生物学及医学领域的研究热点。近年来随着高通量测序、表观遗传编辑以及结构分析等技术的飞速发展,对DNA甲基化分子机制层面的研究进一步深入。本研究总结了近年来对DNA甲基化分子机制的相关研究,归纳了全球范围内对DNA甲基化的位点、序列背景与范围近年来的研究进展,也归纳了近年来对影响DNA甲基化的因素的研究,以期对DNA甲基化这一表观遗传学热点进行深入的学习探讨。
Abstract:As an important non-permanent but relatively long-term heritable genetic modification, DNA methylation is a hot research field in molecular biology and medicine. It plays an irreplaceable role in maintaining the normal transcriptional activity of cells, the ability of DNA to repair and repair DNA damage, and also plays an irreplaceable role in the development of genetics, embryonic development and tumor development. During the recent years, with the rapid development of high-throughput sequencing, epigenetic editing and structural analysis,further research on the molecular mechanism of DNA methylation has been carried out. This article summarizes the research progress of DNA methylation site, sequence background and range in recent years, and also summarizes the studies on the factors affecting DNA methylation, hope to conduct the further study of DNA methylation, such an epigenetic hotspot.
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基本信息:
DOI:10.13417/j.gab.038.003317
中图分类号:Q751
引用信息:
[1]宋乔,高世超,王培昌.DNA甲基化的分子机制及其研究进展[J].基因组学与应用生物学,2019,38(07):3317-3322.DOI:10.13417/j.gab.038.003317.
基金信息:
国家自然科学基金资助项目(No.81271924; No.81472007);; 首都特色重点专项资助项目(Z14110700251-4012)共同资助
2018-11-20
2018-11-20
2018-11-20