Relationship of Lycoris (Amaryllidaceae) Based on RAPD Markers

RAPD markers에 의한 상사화속 식물의 유연관계

  • Received : 2007.09.04
  • Accepted : 2008.01.28
  • Published : 2008.03.31

Abstract

Phylogenetic relationships were examined for 17 taxa of Lycoris by RAPD analysis. The length of the amplified DNA fragments ranged from 300 bp to 1,700 bp. 57 scorable RAPD markers were observed from PCR reactions with five random oligoprimers. The analysis by UPGMA sepatated the examined taxa of Lycoris into were clusters. First group was comprised of ten taxa of L. chinensis var. sinuolata, L. sanguinea var. koreana, L. uydoensis, L. flavescens, L. radiata var. pumila, L. radiata, L. squamigera, L. chejuensis, L. aurea and L. guangxiensis, second group of L. haywardii, L. sprengeri, L. rosea, L. straminea and L. houdyshii, third group of outgroup of Narcissus tazetta var. chinensis and Crinum asiaticum var. japonicum. From the viewpoint of cytological characters such as polyploidy and karyotype, the RAPD analysis was very useful to show the relationship among the intraspecific taxa of Lycoris.

상사화속 15분류군을 대상으로 종간 유연관계를 조사하기 위하여 RAPD 분석이 수행되었고, PCR 과정을 통해 증폭된 RAPD 절편들은 300bp에서 1,700bp 사이의 구간에서 관찰되었다. 5개의 oligoprimer를 이용한 효소중합반응에서 57개의 유효한 RAPD marker를 확인하였고, 비유사도 지수 행렬을 도출하여 UPGMA phenogram을 작성하였다. 분석결과 분류군들은 전체적으로 3개의 유집군을 형성하였는데 첫 번째 유집군에는 L. chinensis var. sinuolata, L. sanguinea var. koreana, L. uydoensis, L. flavescens, L. radiata var. pumila, L. radiata, L. squamigera, L. chejuensis, L. aurea와 L. guangxiensis의 10분류군이, 두 번째 유집군에는 L. haywardii, L. sprengeri, L. rosea, L. straminea 및 L. houdyshii의 5분류군이, 세 번쨰 유집군에는 비교군인 수선화와 문주란이 각각 포함되었다. RAPD 분석결과는 배수성과 핵형 등의 세포분류학적 형질들과 비교하여 볼 때 Lycoris속내 종간의 유연관계를 파악하는데 매우 유용한 실험적 방법임을 보여주었다.

Keywords

Acknowledgement

Supported by : 한남대학교

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