Genome-wide association study of seed protein, oil and amino acid contents in soybean from maturity groups I to IV.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik
Sungwoo LeeM A Mian

Abstract

Genomic regions associated with seed protein, oil and amino acid contents were identified by genome-wide association analyses. Geographic distributions of haplotypes indicate scope of improvement of these traits. Soybean [Glycine max (L.) Merr.] protein and oil are used worldwide in feed, food and industrial materials. Increasing seed protein and oil contents is important; however, protein content is generally negatively correlated with oil content. We conducted a genome-wide association study using phenotypic data collected from five environments for 621 accessions in maturity groups I-IV and 34,014 markers to identify quantitative trait loci (QTL) for seed content of protein, oil and several essential amino acids. Three and five genomic regions were associated with seed protein and oil contents, respectively. One, three, one and four genomic regions were associated with cysteine, methionine, lysine and threonine content (g kg-1 crude protein), respectively. As previously shown, QTL on chromosomes 15 and 20 were associated with seed protein and oil contents, with both exhibiting opposite effects on the two traits, and the chromosome 20 QTL having the most significant effect. A multi-trait mixed model identified trait-specific ...Continue Reading

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Citations

Nov 30, 2019·International Journal of Molecular Sciences·Tengfei ZhangShi Sun
May 8, 2019·International Journal of Molecular Sciences·Songnan YangJunyi Gai
Nov 12, 2020·PLoS Genetics·Hengyou ZhangYong-Qiang Charles An
Jan 6, 2021·Nature Communications·Myung-Shin KimSoon-Chun Jeong
Sep 2, 2021·IScience·Sangam Lal DwivediRodomiro Ortiz

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Software Mentioned

ASReml
STRAUTO
R package ‘ maps
Genome Association Prediction Tool ( GAPIT )
STRUCTURE
SAS
MLMM
MTMM
DISTRUCT
CLUMPP

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