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Role of Small GTPase in Plant Disease Resistance: Rice as A Model
Ting-Heng Zhu1*, Hai-Yan Yang1, Wei-Xia Wang2, Kun Wang1*, Zhi-Feng Cui1
1College of Biological and Enviromental Engineering, Zhejiang University of Technology, Hangzhou 310014, China;2China National Rice Research Institute, Hangzhou 310006, China
Abstract: Small GTPases are low molecular weight GTP-binding proteins with molecular weight in the range of 20~30 kDa. They are “molecular switches” involved in a variety of signal transduction pathways that regulate diverse cellular functions. Recently， studies from model plant rice have shown that the GTPase Rho family plays an essential role in the regulation of disease resistance in rice (Oryza sativa). In this paper， we give an up-to-date review of the progress on mechanisms underlying a plant-specific Rho-type GTPase mediated immune responses in rice.
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