POWR1 is a domestication gene pleiotropically regulating seed quality and yield in soybean

被引:80
作者
Goettel, Wolfgang [1 ]
Zhang, Hengyou [2 ,3 ]
Li, Ying [2 ]
Qiao, Zhenzhen [2 ]
Jiang, He [2 ]
Hou, Dianyun [1 ,4 ]
Song, Qijian [5 ]
Pantalone, Vincent R. [6 ]
Song, Bao-Hua [7 ]
Yu, Deyue [8 ]
An, Yong-Qiang Charles [1 ,2 ]
机构
[1] ARS, USDA, Midwest Area, Plant Genet Res Unit, 975N Warson Rd, St Louis, MO 63132 USA
[2] Donald Danforth Plant Sci Ctr, 975N Warson Rd, St Louis, MO 63132 USA
[3] Chinese Acad Sci, Northeast Inst Geog & Agroecol, Key Lab Soybean Mol Design Breeding, Harbin 150081, Peoples R China
[4] Henan Univ Sci & Technol, Coll Agr, Luoyang 471023, Henan, Peoples R China
[5] ARS, USDA, Soybean Genom & Improvement Lab, Beltsville, MD 20705 USA
[6] Univ Tennessee, Dept Plant Sci, Knoxville, TN 37996 USA
[7] Univ N Carolina, Dept Biol Sci, Charlotte, NC 28223 USA
[8] Nanjing Agr Univ, Natl Ctr Soybean Improvement, Natl Key Lab Crop Genet & Germplasm Enhancement, Nanjing 210095, Jiangsu, Peoples R China
关键词
QUANTITATIVE TRAIT LOCI; OIL CONTENT; SUCROSE CONTENT; AMINO-ACIDS; PROTEIN; SELECTION; WILD; IDENTIFICATION; QTL; DNA;
D O I
10.1038/s41467-022-30314-7
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Seed protein, oil content and yield are highly correlated agronomically important traits that essentially account for the economic value of soybean. The underlying molecular mechanisms and selection of these correlated seed traits during soybean domestication are, however, less known. Here, we demonstrate that a CCT gene, POWR1, underlies a large-effect protein/oil QTL. A causative TE insertion truncates its CCT domain and substantially increases seed oil content, weight, and yield while decreasing protein content. POWR1 pleiotropically controls these traits likely through regulating seed nutrient transport and lipid metabolism genes. POWR1 is also a domestication gene. We hypothesize that the TE insertion allele is exclusively fixed in cultivated soybean due to selection for larger seeds during domestication, which significantly contributes to shaping soybean with increased yield/seed weight/oil but reduced protein content. This study provides insights into soybean domestication and is significant in improving seed quality and yield in soybean and other crop species. In soybean production, level of seed protein frequently shows a negative correlation with seed oil content and yield. Here, the authors report a CCT gene pleiotropically regulates these traits and the selection of larger seeds determining allele leads to higher oil content but lower protein content in soybean cultivars.
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页数:11
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