한빛사논문
- 조회1,320
Seongbeom Kim1, Chi-Yeol Kim1, Sook-Young Park2, Ki-Tae Kim1, Jongbum Jeon3, Hyunjung Chung1,9, Gobong Choi3, Seomun Kwon1,10, Jaeyoung Choi1,11, Junhyun Jeon4, Jong-Seong Jeon5, Chang Hyun Khang6, Seogchan Kang7 & Yong-Hwan Lee1,3,8,*
1Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Korea. 2Department of Plant Medicine, Sunchon National University, Suncheon 57922, Korea.
3Interdisciplinary Program in Agricultural Genomics, Seoul National University, Seoul 08826, Korea.
4Department of Biotechnology, Yeungnam University, Gyeongsan 38541, Korea.
5Graduate School of Biotechnology and Crop Biotech Institute, Kyung Hee University, Yongin 17104, Korea.
6Department of Plant Biology, University of Georgia, Athens, GA 30602, USA.
7Department of Plant Pathology and Environmental Microbiology, The Pennsylvania State University, University Park, PA 16802, USA.
8Center for Fungal Genetic Resources, Plant Immunity Research Center, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea.
9Present address: Crop Cultivation and Environment Research Division, National Institute of Crop Science, Rural Development Administration, Suwon 16613, Korea. 10Present address: Heinrich-Heine University Düsseldorf, Institute for Microbiology, Cluster of Excellence on Plant Sciences, Düsseldorf 40204, Germany. 11Present address: Smart Farm Research Center, Korea Institute of Science and Technology, Gangneung 25451, Korea.
*Corresponding author
Abstract
Pathogens utilize multiple types of effectors to modulate plant immunity. Although many apoplastic and cytoplasmic effectors have been reported, nuclear effectors have not been well characterized in fungal pathogens. Here, we characterize two nuclear effectors of the rice blast pathogen Magnaporthe oryzae. Both nuclear effectors are secreted via the biotrophic interfacial complex, translocated into the nuclei of initially penetrated and surrounding cells, and reprogram the expression of immunity-associated genes by binding on effector binding elements in rice. Their expression in transgenic rice causes ambivalent immunity: increased susceptibility to M. oryzae and Xanthomonas oryzae pv. oryzae, hemibiotrophic pathogens, but enhanced resistance to Cochliobolus miyabeanus, a necrotrophic pathogen. Our findings help remedy a significant knowledge deficiency in the mechanism of M. oryzae–rice interactions and underscore how effector-mediated manipulation of plant immunity by one pathogen may also affect the disease severity by other pathogens.
논문정보
- Research article
- 2020년 11월 (BRIC 등록일 2020-11-25)
- 국내(교신)+국외 연구진
- 생명과학 > 유전학
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