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植物DNA甲基转移酶 被引量:3

Plant DNA methyltransferase
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摘要 DNA胞嘧啶5-甲基化是高等植物主要的DNA甲基化修饰形式,该反应过程需要甲基转移酶催化。目前已知的植物胞嘧啶5-甲基转移酶可分为三类:第一类甲基转移酶1,主要功能是维持甲基化;第二类染色质甲基转移酶,是植物特有的一种甲基化酶;第三类域重排甲基转移酶,在DNA从头甲基化过程中有重要作用。本文详细介绍了它们的结构、功能及进化关系。 The addition of a methyl group to the carbon 5 of cytosine residues is the most common modification of DNA in higher plants. Plant DNA methyltransferases can be divided into three classes based on their linear domain arrangement: DNA methyltransferase (MET), chromomethyltransferase (CMT) and domains-rearranged methyltransferase (DRM). MET and CMT are responsible for the maintenance of methylation, and the latter has been found only in plants presently; DRM appears to be the principal de novo methyltransferase. In this article, the structure, function and evolutionary aspects of the main plant DNA methyltransferases are analyzed in detail.
作者 陈欣 王子成
出处 《生命的化学》 CAS CSCD 北大核心 2009年第4期534-538,共5页 Chemistry of Life
基金 河南省教育厅科技攻关项目(2009B210001)资助
关键词 甲基转移酶1 染色质甲基转移酶 域重排甲基转移酶 maintenance DNA methyltransferese chromomethyltransferase domains-rearranged methyltransferase
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同被引文献62

  • 1晁秋杰,刘晓,韩磊,马晨晨,高荣荣,陈颖,施江,熊雨婕,薛涛,薛建平.高温胁迫诱导半夏基因组甲基化的变异分析[J].中国中药杂志,2020,45(2):341-346. 被引量:7
  • 2房媛媛,肖亮,卢文杰,姚良臣,李连政,杜庆章,张德强.DNA甲基化研究进展及其在木本植物中的发展趋势[J].中国科学:生命科学,2020,0(2):154-166. 被引量:6
  • 3汪炳良,李水凤,曾广文,邓俭英.5-azaC对萝卜茎尖DNA甲基化和开花的影响[J].核农学报,2005,19(4):265-268. 被引量:23
  • 4朱志伟,杜文书,胡国胜.蓖麻油深加工产物——尼龙11的合成及应用[J].中国油脂,2007,32(3):57-59. 被引量:10
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