Korean Journal of Plant Tissue Culture (식물조직배양학회지)

The Korean Society of Plant Biotechnology (한국식물생명공학회)
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Genetic Analysis of Somaclones Derived from Different Cytotype Plants of Scilla scilloides Complex using RAPD

PCR-RAPD 기법을 이용한 세포 유형이 다른 무릇 (Scilla scilloides Complex) 체세포클론의 유전적 분석

  • 오정순 (충남대학교 자연과학대학 생물학과) ;
  • 방재욱 (충남대학교 자연과학대학 생물학과)
  • Published : 1999.10.01
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Abstract

The usefulness of randomly amplified polymorphic DNA (RAPD) was evaluated to access the genetic variation in somaclones derived from different cytotype plants of Scilla scilloides Complex, AA (2n=16), BB (2n=18) and AABB (2n=34). Three arbitrary decamer primers were successfully used to amplify genomic DNA from the somaclones. DNA polymorphism was observed between cytotypes. The total number of bands in AA, BB and AABB somaclones were 110, 116 and 103, and marker bands examined were 15, 19 and 26, respectively. The diversity of types using PCR in AA, AABB and BB somaclones were 39.2%, 72.3% and 45.7%, respectively. RAPD band patterns suggest that type AA is more stable than type BB and AABB. The frequencies of specific band in AA, BB or AABB somaclones were 0.9%, 4.3% and 4.9%, respectively. The applicability and reliability of RAPD markers for evaluating the somaclones are discussed.

무릇 (S. scilloides Complex)에서 게놈 유형이 다른 AA, BB 및 AABB 게놈 식물의 조직배양을 통하여 유도된 재분화체를 대상으로 RAPD기법을 이용한 유전적 분석을 통해 게놈의 안정성과 게놈 유형에 따른 차이를 분석한 결과, 적용한 20가지의 primer중 Al, A2및 A3에서 게놈 유형에 따른 다형현상을 관찰할 수 있었다. RAPD분석 결과 AA게놈에서 39.2%로 다형성이 세 가지 유형 중 가장 낮게 나타났으며, BB 게놈에서는 72.3%로 가장 높은 다형성을 보였고, AABB 게놈에서는 45.7%의 다형성이 관찰되었다. AA유형에서 관찰된 총 110개의 밴드 중 특이 밴드가 A3에서 하나 나타나 0.9%의 변이율을 보였으며, BB 게놈의 경우 총 116개의 밴드 중 특이 밴드는 A3에서 5개 나타나 4.3%의 변이율을 보여 주었고, AABB유형에서는 총 103개의 밴드 중 특이 밴드가 Al에서 2개, A2에서 1개, A3에서 2개로 총 5개가 나타나 4.9%의 변이율을 나타내었다. RAPD 분석은 게놈 유형이 다른 무릇 체세포클론의 유전적인 안정성 분석에 유용하게 이용될 수 있다.

Keywords

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