细胞编程性死亡在高等植物发育中的作用

The Functions of PCD in the Development of Higher Plants

细胞编程性死亡(PCD)是具有积极生物学意义的细胞死亡,植物PCD参与了植物胚胎发育、植物各器官的形成与衰老和植物抵御外界伤害等多种生理过程.

Drogrammed cell death（PCD） is a kind of cell death which possess positive biologic significance. Plants＇PCD takes part in a variety of physiological processes, such as embryonic development,the formation and the decreptitude of each organ ofplants,as well as the plant＇resistance of external injuries.