Roles of dynamic and reversible histone acetylation in plant development and polyploidy

被引：167

作者：

Chen, Z. Jefftey

Tian, Lu

机构：

[1] Univ Texas, Inst Cellular & Mol Biol, Austin, TX 78712 USA

[2] Univ Texas, Sect Integrat Biol, Austin, TX 78712 USA

[3] Univ Texas, Sect Mol Cell & Dev Biol, Austin, TX 78712 USA

来源：

BIOCHIMICA ET BIOPHYSICA ACTA-GENE STRUCTURE AND EXPRESSION | 2007年 / 1769卷 / 5-6期

关键词：

historic acetylation; gene silencing; epigenetics; stress; development; hybrids; polyploidy;

D O I：

10.1016/j.bbaexp.2007.04.007

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Transcriptional regulation in eukaryotes is not simply determined by the DNA sequence, but rather mediated through dynamic chromatin modifications and remodeling. Recent studies have shown that reversible and rapid changes in histone acetylation play an essential role in chromatin modification, induce genome-wide and specific changes in gene expression, and affect a variety of biological processes in response to internal and external signals, such as cell differentiation, growth, development, light, temperature, and abiotic and biotic stresses. Moreover, historic acetylation and deacetylation are associated with RNA interference and other chromatin modifications including DNA and historic methylation. The reversible changes in historic acetylation also contribute to cell cycle regulation and epigenetic silencing of rDNA and redundant genes in response to interspecific hybridization and polyploidy. (c) 2007 Elsevier B.V. All rights reserved.

引用

收藏

页码：295 / 307

页数：13

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