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Differentiation of indigenous balloon flower (Platycodon grandiflorum DC.) germ lines in South Korea by using RAPD analyses

RAPD분석 기술을 이용한 토종도라지의 기원 분석

  • Kim, Tae-Won (Dept. of Agronomy & Medicinal Plant Resources, College of Life Science and Natural Resources, Gyeongnam National University of Science & Technology) ;
  • Lee, Soo-Jin (Dept. of Agronomy & Medicinal Plant Resources, College of Life Science and Natural Resources, Gyeongnam National University of Science & Technology) ;
  • Kim, Man-Bae (Gyeongsangnam-do Agricultural Research & Extension Services) ;
  • Park, Chun-Geon (Dept. of Herbal Crop Research, National Institute of Horticultural & Herbal Science) ;
  • Shin, Yong-Wook (Dept. of Agronomy & Medicinal Plant Resources, College of Life Science and Natural Resources, Gyeongnam National University of Science & Technology) ;
  • Cho, Young-Son (Dept. of Agronomy & Medicinal Plant Resources, College of Life Science and Natural Resources, Gyeongnam National University of Science & Technology) ;
  • Lee, Shin-Woo (Dept. of Agronomy & Medicinal Plant Resources, College of Life Science and Natural Resources, Gyeongnam National University of Science & Technology)
  • 김태원 (경남과학기술대학교, 생명자원과학대학, 농학.한약자원학부) ;
  • 이수진 (경남과학기술대학교, 생명자원과학대학, 농학.한약자원학부) ;
  • 김만배 (경상남도농업기술원) ;
  • 박춘근 (국립원예특작과학원, 인삼특작부) ;
  • 신용욱 (경남과학기술대학교, 생명자원과학대학, 농학.한약자원학부) ;
  • 조영손 (경남과학기술대학교, 생명자원과학대학, 농학.한약자원학부) ;
  • 이신우 (경남과학기술대학교, 생명자원과학대학, 농학.한약자원학부)
  • Received : 2013.09.05
  • Accepted : 2014.02.21
  • Published : 2014.03.31

Abstract

The total production volume has been sharply increased from year 2008 in Gyeongnam province, South Korea by the policy of preservation and promotion of indigenous balloon flower germ lines. In an attempt to assist the Gyeongnam province's policy, in this study, we tried to establish a technique to differentiate the indigenous balloon flower germ lines with those collected within South Korea and China. Our preliminary results indicated that RAPD analyses with five different primers exhibited high frequency of polymorphic DNA bands up to 76.9% and phylogenetic tree indicated that some of the indigenous lines can be easily differentiated with others. However, it was suggested that more advanced techniques such as single nucleotide polymorphic markers need to be developed in particular, by using extra-chromosomal DNA.

도라지는 초롱꽃과에 속하는 채소용 또는 약용으로 그 생산량이 해마다 증가하는 추세에 있다. 특히 국내의 경남지역에서는 토종도라지의 보존과 육성을 위한 정책을 추진하고 있고 도라지의 단가도 급등함에 따라 그 재배면적이 크게 증가하였다. 본 연구에서는 토종 도라지의 순계를 보존하기 위한 조직배양 기술의 확립과 함께 분자생물학적 기술을 이용한 토종 도라지의 판별 기술을 개발하기 위한 기초연구를 수행하였다. 먼저 경남지역과 충남아산시 등의 야산에서 채종하여 수 십년간 자가 채종하여 재배하여온 농가에서 수집한 종자를 중심으로 5종의 primer를 이용하여 RAPD분석을 수행한 결과 총 48개의 밴드를 생산하였으며, 이중 21개 밴드는 다형성을 보이는 밴드로 40.3%의 다형성을 나타내었다. 특히 primer HD3는 총 13개의 밴드 중 10개가 계통간 다형성을 보여서 76.9%의 높은 다형성빈도를 보였다. 향후 핵 DNA 보다는 핵외 DNA를 이용한 SNP 마커의 확보 등 보다 진보된 기술을 이용한 보완연구가 수행되어야 할 것으로 사료되었다.

Keywords

References

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  1. Development of a CAPS Marker Derived from the Pg-Actin Gene Sequences and RAPD Markers in Platycodon grandiflorum vol.28, pp.5, 2015, https://doi.org/10.7732/kjpr.2015.28.5.648