Landscape of Genomic Diversity and Trait Discovery in Soybean

Overview

Journal Sci Rep

Specialty Science

Date 2016 Apr 1

PMID 27029319

Citations 65

Authors

Babu Valliyodan

Dan Qiu

Gunvant Patil

Peng Zeng

Jiaying Huang

Lu Dai

Chengxuan Chen

Yanjun Li

Trupti Joshi

Li Song

Tri D Vuong

Theresa A Musket

Dong Xu

J Grover Shannon

Cheng Shifeng

Xin Liu

Henry T Nguyen

Affiliations

Soon will be listed here.

Abstract

Cultivated 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.

Citing Articles

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