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How does DNA methylation repress transcription?

被引：449
作者：
Kass, SU
Pruss, D
Wolffe, AP
机构：
[1] Laboratory of Molecular Embryology, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda
来源：
TRENDS IN GENETICS | 1997年 / 13卷 / 11期
关键词：
D O I：
10.1016/S0168-9525(97)01268-7
中图分类号：
Q3 [遗传学];
学科分类号：
071007 ; 090102 ;
摘要：
DNA methylation has an essential regulatory function in mammalian development, serving to repress nontranscribed genes stably in differentiated adult somatic cells. Recent data implicate transcriptional repressors specific for methylated DNA and chromatin assembly in this global control of gene activity. The assembly of specialized nucleosomal structures on methylated DNA helps to explain the capacity of methylated DNA segments to silence transcription more effectively than conventional chromatin, Specialized nucleosomes also provide a potential molecular mechanism for the stable propagation of DNA methylation-dependent transcriptional silencing through cell division.
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页码：444 / 449
页数：6
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