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The Plant Heterotrimeric G-Protein Complex
Annual Review of Plant Biology ( IF 23.9 ) Pub Date : 2007-06-01 , DOI: 10.1146/annurev.arplant.58.032806.103827
Brenda R S Temple 1 , Alan M Jones
Affiliation  

Heterotrimeric G-protein complexes couple extracellular signals via cell surface receptors to downstream enzymes called effectors. Heterotrimeric G-protein complexes, together with their cognate receptors and effectors, operate at the apex of signal transduction. In plants, the number of G-protein complex components is dramatically less than in other multicellular eukaryotes. An understanding of how multiple signals propagate transduction through the G-protein node can be found in the unique structural and kinetic properties of the plant heterotrimeric G-protein complex. This review addresses these unique features and speculates on why the repertoire of G-protein signaling elements is dramatically simpler than that in all other multicellular eukaryotes.

中文翻译:

植物异三聚 G 蛋白复合物

异三聚体 G 蛋白复合物通过细胞表面受体将细胞外信号耦合到称为效应器的下游酶。异源三聚体 G 蛋白复合物及其同源受体和效应子在信号转导的顶端发挥作用。在植物中,G 蛋白复合体成分的数量比其他多细胞真核生物少得多。通过植物异源三聚体 G 蛋白复合物的独特结构和动力学特性,可以了解多个信号如何通过 G 蛋白节点传播转导。这篇综述讨论了这些独特的特征,并推测了为什么 G 蛋白信号元件的组成比所有其他多细胞真核生物中的要简单得多。
更新日期:2007-06-01
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