TY  - JA
AU  - Zhangxiong Liu
AU  - Huihui Li
AU  - Zixiang Wen
AU  - Xuhong Fan
AU  - Yinghui Li
AU  - Rongxia Guan
AU  - Yong Guo
AU  - Shuming Wang
AU  - Dechun Wang
AU  - Lijuan Qiu
TI  - Comparison of genetic diversity between Chinese and American soybean (Glycine max (L.)) accessions revealed by high-density SNPs
PY  - 2017///
CY  - Switzerland
PB  - Frontiers
KW  - Soybeans
KW  - AGROVOC
KW  - Nucleotide sequence
KW  - Population Structure
KW  - Biodiversity
KW  - China
KW  - United States of America
N1  - Peer review; Open Access
N2  - Soybean is one of the most important economic crops for both China and the United States (US). The exchange of germplasm between these two countries has long been active. In order to investigate genetic relationships between Chinese and US soybean germplasm, 277 Chinese soybean accessions and 300 US soybean accessions from geographically diverse regions were analyzed using 5,361 SNP markers. The genetic diversity and the polymorphism information content (PIC) of the Chinese accessions was higher than that of the US accessions. Population structure analysis, principal component analysis, and cluster analysis all showed that the genetic basis of Chinese soybeans is distinct from that of the USA. The groupings observed in clustering analysis reflected the geographical origins of the accessions; this conclusion was validated with both genetic distance analysis and relative kinship analysis. FST-based and EigenGWAS statistical analysis revealed high genetic variation between the two subpopulations. Analysis of the 10 loci with the strongest selection signals showed that many loci were located in chromosome regions that have previously been identified as quantitative trait loci (QTL) associated with environmental-adaptation-related and yield-related traits. The pattern of diversity among the American and Chinese accessions should help breeders to select appropriate parental accessions to enhance the performance of future soybean cultivars
UR  - https://hdl.handle.net/10883/19475
T2  - Frontiers in Plant Science
DO  - https://doi.org/10.3389/fpls.2017.02014
ER  -