Tsukaya Hirokazu
Graduate School of Science, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
Arabidopsis Book. 2013 Jun 7;11:e0163. doi: 10.1199/tab.0163. Print 2013.
Leaves are the most important organs for plants. Without leaves, plants cannot capture light energy or synthesize organic compounds via photosynthesis. Without leaves, plants would be unable perceive diverse environmental conditions, particularly those relating to light quality/quantity. Without leaves, plants would not be able to flower because all floral organs are modified leaves. Arabidopsis thaliana is a good model system for analyzing mechanisms of eudicotyledonous, simple-leaf development. The first section of this review provides a brief history of studies on development in Arabidopsis leaves. This history largely coincides with a general history of advancement in understanding of the genetic mechanisms operating during simple-leaf development in angiosperms. In the second section, I outline events in Arabidopsis leaf development, with emphasis on genetic controls. Current knowledge of six important components in these developmental events is summarized in detail, followed by concluding remarks and perspectives.
叶子是植物最重要的器官。没有叶子,植物就无法通过光合作用捕获光能或合成有机化合物。没有叶子,植物就无法感知各种环境条件,尤其是那些与光质/光量有关的条件。没有叶子,植物就无法开花,因为所有花器官都是变态叶。拟南芥是分析双子叶植物单叶发育机制的良好模型系统。本综述的第一部分简要介绍了拟南芥叶片发育研究的历史。这段历史在很大程度上与被子植物单叶发育过程中遗传机制理解的总体进展历史相吻合。在第二部分中,我概述了拟南芥叶片发育中的事件,重点是遗传控制。详细总结了这些发育事件中六个重要组成部分的当前知识,随后是总结和展望。