摘要
在植物的营养生长阶段 ,叶原基从植物地上部分顶端分生组织的周边区形成 ,在一系列细胞分裂和分化程序的指导下 ,最终发育成叶。近年来 ,通过遗传学和分子生物学研究已经鉴定和克隆了一批参与叶发育调控的关键基因 ,植物激素在叶原基的诱导和叶形态建成中也起十分重要的作用。目前这个领域的主要研究工作是鉴定调控叶发育的新基因并且解释叶调控基因之间的相互作用 。
In the plant vegetative growth, leaf primordia arise from groups of initial cells within the peripheral zone of the shoot apical meristem. Leaf develops by following a series of cell division and differentiation programs to form its final shape and size. Recent genetic and molecular studies have led to the identification of a number of genes that regulate leaf development, and have also revealed that plant hormones play important roles in leaf primordium induction and leaf patterning. The challenge now is to further identify new players regulating leaf development and to establish the genetic interaction between regulatory genes as well as the relationship between gene regulations and hormone actions.
出处
《植物学通报》
CSCD
北大核心
2003年第4期416-422,共7页
Chinese Bulletin of Botany
基金
国家高科技研究发展计划 (863 )
上海市科委资助
关键词
植物
叶发育
调控机理
叶原基诱导
Leaf primordium induction, Leaf development, Gene regulation
