Genetic basis and adaptation trajectory of soybean from its temperate origin to tropics

Lidong Dong, Chao Fang, Qun Cheng, Tong Su, Kun Kou, Lingping Kong, Chunbao Zhang, Haiyang Li, Zhihong Hou, Yuhang Zhang, Liyu Chen, Lin Yue, Lingshuang Wang, Kai Wang, Yongli Li, Zhuoran Gan, Xiaohui Yuan, James L. Weller (), Sijia Lu (), Fanjiang Kong () and Baohui Liu ()
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Lidong Dong: Innovative Center of Molecular Genetics and Evolution, School of Life Sciences, Guangzhou University
Chao Fang: Innovative Center of Molecular Genetics and Evolution, School of Life Sciences, Guangzhou University
Qun Cheng: Innovative Center of Molecular Genetics and Evolution, School of Life Sciences, Guangzhou University
Tong Su: The Innovative Academy of Seed Design, Key Laboratory of Soybean Molecular Design Breeding, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences
Kun Kou: The Innovative Academy of Seed Design, Key Laboratory of Soybean Molecular Design Breeding, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences
Lingping Kong: Innovative Center of Molecular Genetics and Evolution, School of Life Sciences, Guangzhou University
Chunbao Zhang: Soybean Research Institute, National Engineering Research Center for Soybean, Jilin Academy of Agricultural Sciences
Haiyang Li: Innovative Center of Molecular Genetics and Evolution, School of Life Sciences, Guangzhou University
Zhihong Hou: Innovative Center of Molecular Genetics and Evolution, School of Life Sciences, Guangzhou University
Yuhang Zhang: Innovative Center of Molecular Genetics and Evolution, School of Life Sciences, Guangzhou University
Liyu Chen: Innovative Center of Molecular Genetics and Evolution, School of Life Sciences, Guangzhou University
Lin Yue: Innovative Center of Molecular Genetics and Evolution, School of Life Sciences, Guangzhou University
Lingshuang Wang: The Innovative Academy of Seed Design, Key Laboratory of Soybean Molecular Design Breeding, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences
Kai Wang: State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University
Yongli Li: Innovative Center of Molecular Genetics and Evolution, School of Life Sciences, Guangzhou University
Zhuoran Gan: Innovative Center of Molecular Genetics and Evolution, School of Life Sciences, Guangzhou University
Xiaohui Yuan: School of Computer Science and Technology, Wuhan University of Technology
James L. Weller: School of Natural Sciences, University of Tasmania
Sijia Lu: Innovative Center of Molecular Genetics and Evolution, School of Life Sciences, Guangzhou University
Fanjiang Kong: Innovative Center of Molecular Genetics and Evolution, School of Life Sciences, Guangzhou University
Baohui Liu: Innovative Center of Molecular Genetics and Evolution, School of Life Sciences, Guangzhou University

Nature Communications, 2021, vol. 12, issue 1, 1-11

Abstract: Abstract Soybean (Glycine max) serves as a major source of protein and edible oils worldwide. The genetic and genomic bases of the adaptation of soybean to tropical regions remain largely unclear. Here, we identify the novel locus Time of Flowering 16 (Tof16), which confers delay flowering and improve yield at low latitudes and determines that it harbors the soybean homolog of LATE ELONGATED HYPOCOTYL (LHY). Tof16 and the previously identified J locus genetically additively but independently control yield under short-day conditions. More than 80% accessions in low latitude harbor the mutations of tof16 and j, which suggests that loss of functions of Tof16 and J are the major genetic basis of soybean adaptation into tropics. We suggest that maturity and yield traits can be quantitatively improved by modulating the genetic complexity of various alleles of the LHY homologs, J and E1. Our findings uncover the adaptation trajectory of soybean from its temperate origin to the tropics.

Date: 2021
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DOI: 10.1038/s41467-021-25800-3

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