Cell Fate Switch during In Vitro Plant Organogenesis  

作　　者：Xiang Yu Zhao Ying Hua Su ZhiJuan Cheng Xian Sheng Zhang 

机构地区：[1]State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Tai'an 271018, China

出　　处：《Journal of Integrative Plant Biology》2008年第7期816-824,共9页植物学报（英文版）

基　　金：the Ministry of Science and Technology of China(2007CB948200);the National Natural Science Foundation of China(30770217)

摘　　要：Plant mature cells have the capability to reverse their state of differentiation and produce new organs under cultured conditions. Two phases, dedifferenUation and redifferentiation, are commonly characterized during in vitro organogenesis. In these processes, cells undergo fate switch several times regulated by both extrinsic and intrinsic factors, which are associated with reentry to the cell cycle, the balance between euchromatin and heterochromatin, reprogramming of gene expression, and so forth. This short article reviews the advances in the mechanism of organ regeneration from plant somatic cells in molecular, genomic and epigenetic aspects, aiming to provide important information on the mechanism underlying cell fate switch during in vitro plant organogenesis.Plant mature cells have the capability to reverse their state of differentiation and produce new organs under cultured conditions. Two phases, dedifferenUation and redifferentiation, are commonly characterized during in vitro organogenesis. In these processes, cells undergo fate switch several times regulated by both extrinsic and intrinsic factors, which are associated with reentry to the cell cycle, the balance between euchromatin and heterochromatin, reprogramming of gene expression, and so forth. This short article reviews the advances in the mechanism of organ regeneration from plant somatic cells in molecular, genomic and epigenetic aspects, aiming to provide important information on the mechanism underlying cell fate switch during in vitro plant organogenesis.

关 键 词：cell fate DEDIFFERENTIATION plant organogenesis REDIFFERENTIATION regeneration. 

分 类 号：Q94[生物学—植物学]