DOI QR코드

DOI QR Code

Internal Transcribed Spacer Barcoding DNA Region Coupled with High Resolution Melting Analysis for Authentication of Panax Species

DNA 바코딩과 고해상 융해곡선분석에 기반한 인삼속 식물의 종 판별

  • 방경환 (농촌진흥청 국립원예특작과학원 기획조정과) ;
  • 김영창 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 임지영 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 김장욱 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 이정우 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 김동휘 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 김기홍 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 조익현 (농촌진흥청 국립원예특작과학원 인삼특작부)
  • Received : 2015.09.08
  • Accepted : 2015.10.07
  • Published : 2015.12.30

Abstract

Background : Correct identification of Panax species is important to ensure food quality, safety, authenticity and health for consumers. This paper describes a high resolution melting (HRM) analysis based method using internal transcribed spacer (ITS) and 5.8S ribosomal DNA barcoding regions as target (Bar-HRM) to obtain barcoding information for the major Panax species and to identify the origin of ginseng plant. Methods and Results : A PCR-based approach, Bar-HRM was developed to discriminate among Panax species. In this study, the ITS1, ITS2, and 5.8S rDNA genes were targeted for testing, since these have been identified as suitable genes for use in the identification of Panax species. The HRM analysis generated cluster patterns that were specific and sensitive enough to detect small sequence differences among the tested Panax species. Conclusion : The results of this study show that the HRM curve analysis of the ITS regions and 5.8S rDNA sequences is a simple, quick, and reproducible method. It can simultaneously identify three Panax species and screen for variants. Thus, ITS1HRM and 5.8SHRM primer sets can be used to distinguish among Panax species.

Keywords

References

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