Heterotrimeric G protein signalling in the plant kingdom.

Heterotrimeric G protein signalling in the plant kingdom.
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植物王国中的异三聚体G蛋白信号传导。

DOI:
10.1098/rsob.120186
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发表时间:
2013-03-27
期刊:
影响因子:
5.8
通讯作者:
Jones AM
Jones AM
中科院分区:
生物学2区
文献类型:
--
作者:
Urano D;Chen JG;Botella JR;Jones AM

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在动物中,异源三聚体G蛋白包括α-、β-和γ-亚基,通过细胞表面受体感知细胞外刺激,并将信号传递到离子通道、酶和其他效应蛋白以影响许多细胞行为。在植物中,G蛋白与动物中的相应分子具有结构相似性,但通过非典型机制和效应蛋白传递信号以控制生长、细胞增殖、防御、气孔运动、通道调节、糖传感和一些激素反应。本文综述了植物G蛋白的分子调控、效应子及其生理功能的研究进展,主要介绍了拟南芥和水稻两种模式生物G蛋白的研究进展。我们还将介绍结构分析、系统生物学和进化研究的最新进展。
In animals, heterotrimeric G proteins, comprising α-, β-and γ-subunits, perceive extracellular stimuli through cell surface receptors, and transmit signals to ion channels, enzymes and other effector proteins to affect numerous cellular behaviours. In plants, G proteins have structural similarities to the corresponding molecules in animals but transmit signals by atypical mechanisms and effector proteins to control growth, cell proliferation, defence, stomate movements, channel regulation, sugar sensing and some hormonal responses. In this review, we summarize the current knowledge on the molecular regulation of plant G proteins, their effectors and the physiological functions studied mainly in two model organisms: Arabidopsis thaliana and rice (Oryza sativa). We also look at recent progress on structural analyses, systems biology and evolutionary studies.
DOI: 10.1105/tpc.108.062653
发表时间: 2009-07-01
期刊: PLANT CELL
影响因子: 11.6
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