Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
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The Detection of Genetically Modified Organisms in Soybean by DHPLC and Polymerase Chain Reaction

DHPLC와 중합효소연쇄반응에 의한 유전자재조합 콩의 검출

  • Lee, Kyoung-Hae (Department of Food Science & Biotechnology, Dongnam Health College) ;
  • Park, Su-Min (GenetBio, Chungnam Animal Science Center, Konyang Univ.)
  • Published : 2008.02.28
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Abstract

This paper focused on the detection of the genetically modified soybean (Glycine max L. MERRILL) samples to search for the speedy analysis methods. We have identified the PCR (polymerase chain reaction) assay with a newly developed technique called DHPLC (denaturing high performance liquid chromatography) to screen the GMO in soybean. The DHPLC is i1s ability to directly detection specific sequences of DNA by using column. With these characteristics. the DHPLC assay had the advantage of simplicity, rapidty could obtain result within 20 minutes. Whereas $15{\times}10^{-4}ng/{\mu}L$ concentration could be detected with the PCR analysis, $15{\times}10^{-5}ng/{\mu}L$ concentration could be detected with the DHPLC method. Therefore, DHPLC method was considered to be a simple, fast and sensitivity screening method rather than PCR analysis for GMO detection in soybean.

본 연구는 유전자재조합(genetically modified, GM) 콩(Glycine max L. MERRILL)의 검출에 빠르고 감도가 높은 기술을 모색하기 위하여 수행되었다. 기존의 PCR (polymerase chain reaction) 방법과 새로운 방법으로 시도된 DHPLC(denaturing high performance liquid chromatography) 방법으로 유전자재조합 콩을 확인하였다. DHPLC 방법은 기존의 PCR방법에서의 전기영동이 방법 대신 컬럼을 이용하여 분석할 수 있다. 때문에 분석시간도 60분에서 20분으로 단축시킬 수 있다. 검출한계도 PCR방법에서는 15 $ng/{\mu}L$의 $10^{-4}$ 농도까지 검출할 수 있었고, DHPLC 방법으로는 $15ng/{\mu}L$의 $10^{-5}$ 농도까지 검출 할 수 있었다. 따라서 유전자재 조합 콩 검출법으로 DHPLC 분석법이 PCR 분석법보다 빠르고 정확한 효과적인 방법임을 확인하였다.

Keywords

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