事实上,组蛋白修饰比DNA甲基化修饰要研究的清楚的多. 虽然组蛋白修饰的研究要比DNA修饰出现的晚,但是chip on chip这一强大的研究手段使组蛋白修饰的研究要便捷的多.
组蛋白修饰以及和DNA甲基化关系,已经有很多文献报道.下面介绍一篇
Fouse, S. D., Y. Shen, et al. (2008). "Promoter CpG methylation contributes to ES cell gene regulation in parallel with Oct4/Nanog, PcG complex, and histone H3 K4/K27 trimethylation." Cell Stem Cell 2(2): 160-9.作者: ssonglikihi 时间: 2013-12-20 20:55 标题: 回复 #13 changlhsyo 的帖子
Katz, D. J., T. M. Edwards, et al. (2009). "A C. elegans LSD1 demethylase contributes to germline immortality by reprogramming epigenetic memory." Cell 137(2): 308-20.作者: 966735obeng 时间: 2013-12-20 20:56
Rai, K., I. J. Huggins, et al. (2008). "DNA demethylation in zebrafish involves the coupling of a deaminase, a glycosylase, and gadd45." Cell 135(7): 1201-12.
Hendrich B, Hardeland U, Ng H, et al. The thymine glycosylase MBD4 can bind to the product of deamination at methylated CpG sites. Nature,1999,401(6750):301-304.
Zhu B, Zheng Y, Angliker H, et al. 5-Methylcytosine DNA glycosylase activity is also present in the human MBD4 (G/T mismatch glycosylase) and in a related avian sequence. Nucleic Acids Res,2000,28(21):4157-4165作者: 966735obeng 时间: 2013-12-20 21:01
也有文章认为MBD2与DNA去甲基化也有关,不过意见不一致:
Bhattacharya S K, Ramchandani S, Cervoni N, et al. A mammalian protein with specific demethylase activity for mCpG DNA. Nature,1999,397(6720):579-583.
反对观点:Ng H, Zhang Y, Hendrich B, et al. MBD2 is a transcriptional repressor belonging to the MeCP1 histone deacetylase complex. Nat Genet,1999,23(1):58-61.
Wade P A, Gegonne A, Jones P L, et al. Mi-2 complex couples DNA methylation to chromatin remodelling and histone deacetylation. Nat Genet,1999,23(1):62-66.作者: changlhsyo 时间: 2013-12-20 21:01