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Stepwise selection on homeologous PRR genes controlling flowering and maturity during soybean domestication

文献类型: 外文期刊

作者: Lu, Sijia 1 ; Dong, Lidong 1 ; Fang, Chao 1 ; Liu, Shulin 3 ; Kong, Lingping 1 ; Cheng, Qun 1 ; Chen, Liyu 1 ; Su, Tong 2 ;

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.Chinese Acad Sci, Innovat Acad Seed Design, Inst Genet & Dev Biol, State Key Lab Plant Cell & Chromosome Engn, Beijing, Peoples R China

4.Univ Chinese Acad Sci, Beijing, Peoples R China

5.Henan Agr Univ, Collaborat Innovat Ctr Henan Grain Crops, Zhengzhou, Peoples R China

6.Anhui Acad Agr Sci, Hefei, Peoples R China

7.Huazhong Agr Univ, Coll Plant Sci & Technol, Key Lab Agr Microbiol, Wuhan, Hubei, Peoples R China

8.Fujian Agr & Forestry Univ, Coll Resources & Environm, Biol Ctr, Fuzhou, Peoples R China

9.Nanjing Agr Univ, Natl Ctr Soybean Improvement, Natl Key Lab Crop Genet & Germplasm Enhancement, Nanjing, Peoples R China

10.Huazhong Agr Univ, Minist Educ, Key Lab Agr Anim Genet Breeding & Reprod, Wuhan, Peoples R China

11.Huazhong Agr Univ, Coll Anim Sci & Technol, Wuhan, Peoples R China

12.Huazhong Agr Univ, Coll Informat, Hubei Key Lab Agr Bioinformat, Wuhan, Peoples R China

13.Henan Univ, Sch Life Sci, Key Lab Plant Stress Biol, Kaifeng, Peoples R China

14.Wuhan Univ Technol, Sch Comp Sci & Technol, Wuhan, Peoples R China

15.Univ Tasmania, Sch Nat Sci, Hobart, Tas, Australia

期刊名称:NATURE GENETICS ( 影响因子:38.33; 五年影响因子:36.431 )

ISSN: 1061-4036

年卷期: 2020 年 52 卷 4 期

页码:

收录情况: SCI

摘要: Adaptive changes in plant phenology are often considered to be a feature of the so-called 'domestication syndrome' that distinguishes modern crops from their wild progenitors, but little detailed evidence supports this idea. In soybean, a major legume crop, flowering time variation is well characterized within domesticated germplasm and is critical for modern production, but its importance during domestication is unclear. Here, we identify sequential contributions of two homeologous pseudo-response-regulator genes, Tof12 and Tof11, to ancient flowering time adaptation, and demonstrate that they act via LHY homologs to promote expression of the legume-specific E1 gene and delay flowering under long photoperiods. We show that Tof12-dependent acceleration of maturity accompanied a reduction in dormancy and seed dispersal during soybean domestication, possibly predisposing the incipient crop to latitudinal expansion. Better understanding of this early phase of crop evolution will help to identify functional variation lost during domestication and exploit its potential for future crop improvement. Whole-genome resequencing and association analyses in 424 soybean accessions identify two homeologous genes that contributed to flowering time adaptation during soybean domestication.

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