高等植物赤霉素生物合成及其信号转导途径

摘要/Abstract

摘要： 赤霉素是一种重要的植物激素,调节植物生长和发育的各个阶段,如促进种子萌发、茎杆伸长、叶片展开、花的发生及果实与种子的发育。综述了赤霉素合成、信号转导途径、与其他植物激素间的相互作用、对环境信号的响应以及DELLA泛素化降解过程的研究进展,这将有助于人们对赤霉素生理作用和分子调节机制的了解,有利于对赤霉素各方面的机理进行深入地研究。

关键词: 赤霉素, 信号转导, 植物激素, 调控机理

Abstract: The hormone gibberellins（GA）plays an essential role in many aspects of plant growth and development, such as promoting seed germination, stem elongation, occurrence of flower, fruit and seed development. This review elaborated the GA biosynthesis and signaling transduction pathway, as well as interactions with other hormones, response to the environment signals, and the recent advances in understanding of degradation of DELLA proteins by polyubiquitination of the DELLAs via the E3 ubiquitin-ligase SCF ^SLY1/GID2 in the 26S proteasome. This helps not only people understanding of gibberellin physiology and its molecular regulating mechanism, but also to every aspect of gibberellin mechanism are studied deeply.

Key words: Gibberellins, Signal transduction, Plant hormones, Regulation mechanism

李强, 吴建明, 梁和, 黄杏, 丘立杭. 高等植物赤霉素生物合成及其信号转导途径[J]. 生物技术通报, 2014, 0(10): 16-22.

Li Qiang, Wu Jianming, Liang He, Huang Xing, Qiu Lihang. Gibberellins Biosynthesis and Signaling Transduction Pathway in Higher Plant[J]. Biotechnology Bulletin, 2014, 0(10): 16-22.

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