Chromatin dynamics during the plant cell cycle

被引:29
作者
Sanchez, Maria de la Paz [1 ]
Caro, Elena [1 ]
Desvoyes, Benedicte [1 ]
Ramirez-Parra, Elena [1 ]
Gutierrez, Crisanto [1 ]
机构
[1] Univ Autonoma Madrid, CSIC, Ctr Biol Mol Severo Ochoa, E-28049 Madrid, Spain
关键词
Cell division cycle; Chromatin; Epigenetics; Cell fate and differentiation; Plant; Arabidopsis;
D O I
10.1016/j.semcdb.2008.07.014
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Cell cycle progression depends on a highly regulated series of events of which transcriptional control plays a major role. In addition, during the S-phase not only DNA but chromatin as a whole needs to be faithfully duplicated. Therefore, both nucleosome dynamics as well as local changes in chromatin organization, including introduction and/or removal of covalent DNA and histone modi. cations, at genes with a key role in cell proliferation, are of primary relevance. Chromatin duplication during the S-phase and the chromosome segregation during mitosis are cell cycle stages critical for maintenance of epigenetic marks or for allowing the daughter products to acquire a distinct epigenetic landscape and, consequently, a unique cell fate decision. These aspects of chromatin dynamics together with the strict coupling of cell proliferation, cell differentiation and post-embryonic organogenesis have a profound impact on plant growth, development and response to external signals. (c) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码:537 / 546
页数:10
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