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The Perspective of Arbuscular Mycorrhizal Symbiosis in Rice Domestication and Breeding.

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Huang, Renliang 
Li, Zheng 
Shen, Xianhua 
Choi, Jeongmin 


In nature, symbiosis with arbuscular mycorrhizal (AM) fungi contributes to sustainable acquisition of phosphorus and other elements in over 80% of plant species; improving interactions with AM symbionts may mitigate some of the environmental problems associated with fertilizer application in grain crops such as rice. Recent developments of high-throughput genome sequencing projects of thousands of rice cultivars and the discovery of the molecular mechanisms underlying AM symbiosis suggest that interactions with AM fungi might have been an overlooked critical trait in rice domestication and breeding. In this review, we discuss genetic variation in the ability of rice to form AM symbioses and how this might have affected rice domestication. Finally, we discuss potential applications of AM symbiosis in rice breeding for more sustainable agriculture.


Peer reviewed: True


Review, rice, arbuscular mycorrhizal symbiosis, domestication, breeding

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Int J Mol Sci

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National Key R&D Program of China (2019YFA0904700)
Area Funds of National Natural Science Funds of China (32160430)
Jiangxi Province Key R&D Program (20212BBF61005, 20192BBH80022)
Special Project of Collaborative Innovation in Modern Agricultural Scientific Research of Jiangxi Province (JXXTCX202104, JXXTCXQN2020003)
Natural Science Foundation of Hubei Province (2020CFA008)
Royal Society University Research Fellowship (URF/R1/211134)