The Polycomb Complex PRC1:Composition and Function in Plants

作     者：Anne Molitor Wen-Hui Shen 

作者机构：Institut de Biologie Moléculaire des Plantes du CNRSUniversité de Strasbourg12 rue du Général Zimmer67084 StrasbourgFrance Institut J.-P.BourginUMR1318 INRA-AgroParisTechINRAroute de Saint Cyr78026 VersaillesFrance 

出 版 物：《Journal of Genetics and Genomics》 (遗传学报（英文版）)

年 卷 期：2013年第40卷第5期

页      面：231-238页

核心收录：

学科分类：0710[理学-生物学] 1001[医学-基础医学(可授医学、理学学位)] 07[理学] 08[工学] 09[农学] 071007[理学-遗传学] 0901[农学-作物学] 0836[工学-生物工程] 090102[农学-作物遗传育种] 

基　　金：supported by the French Centre National de la Recherche Scientifique(CNRS) the French Agence Nationale de la Recherche(ANR-08-BLAN- 0200-CSD7) 

主　　题：Epigenetics Chromatin Histone modifications Polycomb PRC1 Arabidopsis development 

摘      要：Polycomb group（PcG） proteins are crucial epigenetic regulators conferring transcriptional memory to cell *** assemble into multi-protein complexes,e.g.,Polycomb Repressive Complex 1 and 2（PRC1,PRC2）,which are thought to act in a sequential manner to stably maintain gene ***2 induces histone H3 lysine 27（H3K27） trimethylation（H3K27me3）,which is subsequently read by PRCl that further catalyzes H2A monoubiquitination（H2Aub1）,creating a transcriptional silent chromatin ***2 components are conserved in plants and have been extensively characterized in *** contrast,PRCl composition and function are more diverged between animals and *** more recently,PRC1 existence in plants has been *** we review the aspects of plant specific and conserved PRC1 and highlight critical roles of PRC1 components in seed embryonic trait determinacy,shoot stem cell fate determinacy,and flower development in Arabidopsis.