文献类型： 外文期刊
作者： Dong, Lidong 1 ; Fang, Chao 1 ; Cheng, Qun 1 ; Su, Tong 2 ; Kou, Kun 2 ; Kong, Lingping 1 ; Zhang, Chunbao 3 ; Li, Haiyan 1 ;
作者机构： 1.Guangzhou Univ, Innovat Ctr Mol Genet & Evolut, Sch Life Sci, Guangzhou, Peoples R China
2.Chinese Acad Sci, Innovat Acad Seed Design, Northeast Inst Geog & Agroecol, Key Lab Soybean Mol Design Breeding, Harbin, Peoples R China
3.Jilin Acad Agr Sci, Natl Engn Res Ctr Soybean, Soybean Res Inst, Changchun, Peoples R China
4.Henan Univ, Sch Life Sci, State Key Lab Crop Stress Adaptat & Improvement, Kaifeng, Peoples R China
5.Wuhan Univ Technol, Sch Comp Sci & Technol, Wuhan, Peoples R China
6.Univ Tasmania, Sch Nat Sci, Hobart, Tas, Australia
期刊名称：NATURE COMMUNICATIONS （ 影响因子：14.919； 五年影响因子：15.805 ）
ISSN：
年卷期： 2021 年 12 卷 1 期
页码：
收录情况： SCI
摘要： How soybean, a temperate origin crop, adapted to a tropical environment remains unclear. Here, the authors report Tof16, an ortholog of LHY, and the previously identified J locus, control soybean yield under short-day condition and loss of function of these two genes contributes to the adaptation to tropics. 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.
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