水稻-病原菌互作途径研究进展

doi:10.11924/j.issn.1000-6850.2014-2012

摘要/Abstract

摘要： 水稻稻瘟病和白叶枯病分别由真菌病原菌Magnaporthe oryzae (M. oryzae)和细菌病原菌 Xanthomonas oryzae pv. oryzae (Xoo)引起，是造成世界范围内水稻减产的主要病因，水稻-稻瘟病菌及水稻-白叶枯病原菌互作已成为研究植物-病原菌互作的模式系统。本文归纳了目前已克隆的抗稻瘟病及白叶枯病基因与其分子结构和功能，概括了近年来鉴定的一些病原菌相关分子(Pathogen-associated molecular patterns，PAMPs)及稻瘟病菌和白叶枯菌分泌的效应蛋白，并总结了针对稻瘟病菌和白叶枯菌介导的病原物分子诱导的抗病反应(PAMP-triggered immunity，PTI)和效应蛋白诱导的抗病性(Effector-triggered immunity，ETI)及其信号传导途径的研究成果，指出效应蛋白-抗病蛋白间互作将为探索植物-病原菌间互作提供新的分子基础，并为水稻抗病育种实践提供借鉴与指导。

关键词: 根诱导, 根诱导

Abstract: Rice blast and blight, caused by the fungal pathogen Magnaporthe oryzae (M. oryzae) and the bacterial pathogen Xanthomonas oryzae pv. oryzae (Xoo) respectively, are the most destructive diseases of rice in the world. The interactions between rice-M. oryzae and rice-Xoo have become model systems in the study of plant- pathogen interactions. In this review, the author summarized recent research on the structure and function of isolated resistance genes to M. oryzae and Xoo, a number of novel identified pathogen-associated molecular patterns (PAMPs) and effectors related to M. oryzae and Xoo, and PAMP- and effector-triggered rice immunity responses and signaling transduction mediated by M. oryzae or Xoo, suggesting that the interactions between avirulence effectors and their cognate resistance proteins could provide new insights into the molecular basis of plant-pathogen interactions, especially useful for rice breeding against M. oryzae and Xoo.

何艳冰,范锡麟,王国梁,王志龙. 水稻-病原菌互作途径研究进展[J]. 中国农学通报, 2014, 30(31): 241-249.

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