Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Identification of Quantitative Trait Loci (QTLs) Associated with Oil and Protein Contents in Soybean (Glycine max L.)

콩에서 Microsatellite marker률 이용한 oil 및 단백질 함량의 양적형질 유전자좌의 분석

  • Published : 2004.06.01
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Abstract

Soybean oil and protein contents are very important as a nutritional component of food. The seed composition as oil and protein are polygenic traits. In this study, the Keunolkong${\times}$Iksan10 populations were evaluated with SSR markers to identify QTLs related to oil and protein contents. Three related independent QTLs near the marker satt100 on LG C2, satt546 on LG D1b＋W and satt418 on LG L were identified oil contents. The three independent QTLs near the marker satt556 on LG B2, satt414 on LG J and satt238 on LC L were identified of protein contents. In the results of this study, common QTLs on LG L was associated with seed oil and protein contents. In the result of this study, it is believed that the seed composition material as oil and protein contents were mainly controlled by environmental stresses and they are seed size on genotypes.

콩의 oil 및 단백질은 식품에서 매우 중용한 영양학적인 구성요소이다. Oil및 단백질과 같은 종자 구성물질들은 polygenetic 형질들로 되어있다. 본 시험은 큰올콩과${\times}$익산10호의 RIL 계통과 SSR marker를 이용하여 유전자 지도를 작성하고, 이를 바탕으로 oil 및 단백질 함량과 관련된 양적형질 유전자좌(QTLs)를 탐색하였다. Oil함량과 관련된 QTLs는 연관군 C2와 satt100과 연관군 DIb+W의 satt546및 연관군 L의 satt418의 세 개의 독립적인 QTLs를 확인하였다. 단백질 함량에 있어서는 연관군 B2와 J 및 L에 각각 satt556과 satt414 및 satt238의 marker에서 독립적인 QTLs를 확인하였다. 본시험의 결과, oil 및 단백질 함량과 관련된 공통의 QTL은 연관군 L이었다. 한편, oil 및 단백질과 같은 종자구성물질은 주로 환경적인 stress및 종자의 크기 등에 의해서 구성되어지는 것으로 생각된다.

Keywords

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