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哺乳动物DNA甲基化研究进展

杨春 邢秀梅

中国畜牧兽医2012,Vol.39Issue(8):145-148,4.
中国畜牧兽医2012,Vol.39Issue(8):145-148,4.

哺乳动物DNA甲基化研究进展

Research Progress on the Methylation in Mammals

杨春 1邢秀梅2

作者信息

  • 1. 中国农业科学院特产研究所,吉林吉林 132109
  • 2. 吉林省特种经济动物分子生物学重点实验室,吉林吉林132109
  • 折叠

摘要

Abstract

DNA methylation is the common base modification in the eukaryotic genome and is an important epigenetic mechanism. Methylation at the five-carbon of cytosine is a reversible process that can directly influence gene activity and the reaction is catalyzed by a family of DNA methyltransferases(DNMTs). DNA methylation is essential for normal mammals development and plays an important role in the affects a wide range of essential biological processes, and it includes silencing of transposable elements, inactivation of genes, maintenance of chromosomal integrity, X chromosome inactivation.and transcriptional regulation of a large number of genes and so on.

关键词

DNA甲基化/DNA甲基化转移酶/表观遗传/沉默

Key words

DNA methylation/DNA methyltransferases /epigenetic/0silencing

分类

生物科学

引用本文复制引用

杨春,邢秀梅..哺乳动物DNA甲基化研究进展[J].中国畜牧兽医,2012,39(8):145-148,4.

基金项目

国家科技基础条件平台中心(家养动物种质资源平台)项目. (家养动物种质资源平台)

中国畜牧兽医

OA北大核心CSTPCD

1671-7236

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