Recent Understanding on the Interactions Between Rice and Magnaporthe oryzae

doi:10.13560/j.cnki.biotech.bull.1985.2017-0623

Abstract

Abstract: As a grain,rice production affects the steady growth of global economy. Varied biological and abiotic stresses threaten the rice’s growth and development. Rice blast,caused by the filamentous fungus Magnaporthe oryzae（syn. Pyricularia oryzae）of crucial agricultural pathogenic microorganism,is key disease of rice（Oryza sativa）in the world,resulting in the huge rice yield loss. Compared with the prevention and control by traditional chemical pesticides,breeding disease-resistant cultivars is a more environmental-friendly and effective method to protect rice from rice blast. Nevertheless,the length and range of planting disease-resistant rice cultivars are limited due to the highly-frequent mutations of M. oryzae isolates and the high complex of M. oryzae populations in field. Therefore,understanding rice disease-resistant mechanisms and pathogenic mechanisms of rice blast fungus are beneficial to formulate better prevention and control measures. Rice-M. oryzae interactions involved in different layers of plant innate immunity. Recent years, great progresses have been achieved in functional genomics of rice and M. oryzae. In this review,we mainly summarized the progresses on rice blast disease resistance mechanisms and defense signaling in rice. We also prospected the challenges and opportunities in future study of rice-M. oryzae interaction,and hope to promote further study on their interaction and provide reference for rice breeding for blast disease resistance.

Key words: rice, molecular mechanisms of rice blast resistance, Magnaporthe oryzae, interaction

HAN Yi-juan, LU Guo-dong. Recent Understanding on the Interactions Between Rice and Magnaporthe oryzae[J]. Biotechnology Bulletin, 2018, 34(2): 25-37.

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