Author:
Valliyodan Babu,Dan Qiu ,Patil Gunvant,Zeng Peng,Huang Jiaying,Dai Lu,Chen Chengxuan,Li Yanjun,Joshi Trupti,Song Li,Vuong Tri D.,Musket Theresa A.,Xu Dong,Shannon J. Grover,Shifeng Cheng,Liu Xin,Nguyen Henry T.
Abstract
AbstractCultivated soybean [Glycine max (L.) Merr.] is a primary source of vegetable oil and protein. We report a landscape analysis of genome-wide genetic variation and an association study of major domestication and agronomic traits in soybean. A total of 106 soybean genomes representing wild, landraces and elite lines were re-sequenced at an average of 17x depth with a 97.5% coverage. Over 10 million high-quality SNPs were discovered and 35.34% of these have not been previously reported. Additionally, 159 putative domestication sweeps were identified, which includes 54.34 Mbp (4.9%) and 4,414 genes; 146 regions were involved in artificial selection during domestication. A genome-wide association study of major traits including oil and protein content, salinity and domestication traits resulted in the discovery of novel alleles. Genomic information from this study provides a valuable resource for understanding soybean genome structure and evolution and can also facilitate trait dissection leading to sequencing-based molecular breeding.
Publisher
Springer Science and Business Media LLC
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