A pair of atypical NLR-encoding genes confers Asian soybean rust resistance in soybean

Qingnan Hao, Hongli Yang, Shuilian Chen, Chanjuan Zhang, Limiao Chen, Dong Cao, Songli Yuan, Wei Guo, Zhonglu Yang, Yi Huang, Yanhui Qu, Lucy Qin, Xiaoyan Sheng, Xueyan Wang, Chandrani Mitra, Heng Zhong, John Dawson, Eric Bumann, Wenling Wang, Yaping Jiang, Guozhu Tang, Ryan Carlin, Haifeng Chen (), Qingli Liu (), Zhihui Shan () and Xinan Zhou ()
Additional contact information
Qingnan Hao: Chinese Academy of Agriculture Sciences
Hongli Yang: Ministry of Agriculture and Rural Affairs
Shuilian Chen: Chinese Academy of Agriculture Sciences
Chanjuan Zhang: Chinese Academy of Agriculture Sciences
Limiao Chen: Chinese Academy of Agriculture Sciences
Dong Cao: Chinese Academy of Agriculture Sciences
Songli Yuan: Ministry of Agriculture and Rural Affairs
Wei Guo: Ministry of Agriculture and Rural Affairs
Zhonglu Yang: Chinese Academy of Agriculture Sciences
Yi Huang: Chinese Academy of Agriculture Sciences
Yanhui Qu: The Graduate School of Chinese Academy of Agricultural Sciences
Lucy Qin: Research Triangle Park
Xiaoyan Sheng: Research Triangle Park
Xueyan Wang: Research Triangle Park
Chandrani Mitra: Research Triangle Park
Heng Zhong: Research Triangle Park
John Dawson: Research Triangle Park
Eric Bumann: Research Triangle Park
Wenling Wang: Research Triangle Park
Yaping Jiang: Research Triangle Park
Guozhu Tang: Research Triangle Park
Ryan Carlin: Research Triangle Park
Haifeng Chen: Chinese Academy of Agriculture Sciences
Qingli Liu: Research Triangle Park
Zhihui Shan: Ministry of Agriculture and Rural Affairs
Xinan Zhou: Chinese Academy of Agriculture Sciences

Nature Communications, 2024, vol. 15, issue 1, 1-11

Abstract: Abstract Asian soybean rust (ASR), caused by Phakopsora pachyrhizi, is a devastating disease that is present in all major soybean-producing regions. The limited availability of resistant germplasm has resulted in a scarcity of commercial soybean cultivars that are resistant to the disease. To date, only the Chinese soybean landrace SX6907 has demonstrated an immune response to ASR. In this study, we present the isolation and characterization of Rpp6907-7 and Rpp6907-4, a gene pair that confer broad-spectrum resistance to ASR. Rpp6907-7 and Rpp6907-4 encode atypic nucleotide-binding leucine-rich repeat (NLR) proteins that are found to be required for NLR-mediated immunity. Genetic analysis shows that only Rpp6907-7 confers resistance, while Rpp6907-4 regulates Rpp6907-7 signaling activity by acting as a repressor in the absence of recognized effectors. Our work highlights the potential value of using Rpp6907 in developing resistant soybean cultivars.

Date: 2024
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DOI: 10.1038/s41467-024-47611-y

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