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Title 

Novel major quantitative trait loci regulating the content of isoflavone in soybean seeds

 

콩 종자내 이소플라본 양을 조절하는 신규 주요 양적형질 유전자

Authors 

K YangJ K MoonNam Hee JeongHyo Kon ChunS T KangK BackSoon Chun Jeong

Publisher 

The Genetics Society of Korea

Issue Date 

2011

Citation 

Genes & Genomics, vol. 33, no. 6, pp. 685-692

Keywords 

EnvironmentIsoflavoneQuantitative trait locusSeedSoybean

Abstract 

Despite their medicinal, pharmaceutical, and nutritional importance of isoflavones, the genetic basis controlling the amounts of isoflavones in soybean seeds is still not well understood. The main obstacle is the great variability in the content of isoflavone in seeds harvested from different environments. In this study, quantitative trait loci (QTL) for the contentof different isoflavones including daidzein, genistein, and glycitein were investigated in a population of recombinant inbred lines derived from the cross of "Hwangkeum" (Glycine max) by "IT182932" (Glycine soja). Seeds analyzed were harvested in three different experimental environments. QTL analyses for isoflavone content were conducted by composite interval mapping across a genomewide genetic map. Two major QTL were mapped to soybean chromosomes 5 and 8, which were designated QDZGT1 and QDZGT2, respectively. Both loci have not been previously reported in other isoflavone sources. The results from this study will be useful in cloning genes that can control the contents of isoflavones in soybean and for the development of soybean lines containing a high or low isoflavone content.

ISSN 

1976-9571

Link 

http://dx.doi.org/10.1007/s13258-011-0043-z

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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