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Recent progress and understanding of the molecular mechanisms of the rice–Magnaporthe oryzae interaction

Authors

  • JINLING LIU,

    1. Hunan Provincial Key Laboratory of Crop Germplasm Innovation and Utilization, College of Agriculture and College of Plant Bio-Safety, Hunan Agricultural University, Changsha, Hunan 410128, China
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    • These authors contributed equally to this work.

  • XUEJUN WANG,

    1. Hunan Provincial Key Laboratory of Crop Germplasm Innovation and Utilization, College of Agriculture and College of Plant Bio-Safety, Hunan Agricultural University, Changsha, Hunan 410128, China
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    • These authors contributed equally to this work.

  • THOMAS MITCHELL,

    1. Department of Plant Pathology, Ohio State University, Columbus, OH 43210, USA
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  • YAJUN HU,

    1. Hunan Provincial Key Laboratory of Crop Germplasm Innovation and Utilization, College of Agriculture and College of Plant Bio-Safety, Hunan Agricultural University, Changsha, Hunan 410128, China
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  • XIONGLUN LIU,

    1. Hunan Provincial Key Laboratory of Crop Germplasm Innovation and Utilization, College of Agriculture and College of Plant Bio-Safety, Hunan Agricultural University, Changsha, Hunan 410128, China
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  • LIANGYING DAI,

    Corresponding author
    1. Hunan Provincial Key Laboratory of Crop Germplasm Innovation and Utilization, College of Agriculture and College of Plant Bio-Safety, Hunan Agricultural University, Changsha, Hunan 410128, China
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  • GUO-LIANG WANG

    Corresponding author
    1. Hunan Provincial Key Laboratory of Crop Germplasm Innovation and Utilization, College of Agriculture and College of Plant Bio-Safety, Hunan Agricultural University, Changsha, Hunan 410128, China
    2. Department of Plant Pathology, Ohio State University, Columbus, OH 43210, USA
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*E-mail: wang.620@osu.edu, liangying_99@yahoo.com

SUMMARY

Rice blast, caused by the fungal pathogen Magnaporthe oryzae, is the most devastating disease of rice and severely affects crop stability and sustainability worldwide. This disease has advanced to become one of the premier model fungal pathosystems for host—pathogen interactions because of the depth of comprehensive studies in both species using modern genetic, genomic, proteomic and bioinformatic approaches. Many fungal genes involved in pathogenicity and rice genes involved in effector recognition and defence responses have been identified over the past decade. Specifically, the cloning of a total of nine avirulence (Avr) genes in M. oryzae, 13 rice resistance (R) genes and two rice blast quantitative trait loci (QTLs) has provided new insights into the molecular basis of fungal and plant interactions. In this article, we consider the new findings on the structure and function of the recently cloned R and Avr genes, and provide perspectives for future research directions towards a better understanding of the molecular underpinnings of the rice–M. oryzae interaction.

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