Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Genetic Diversity and Phylogenetic Relationship of Genus Phyllostachys by ISSR Markers

ISSR 분자 마커를 이용한 왕대속 대나무의 유전적 다양성 및 계통 관계

  • Lee, Song-Jin (Department of Biology, Pusan National University) ;
  • Huh, Man-Kyu (Department of Molecular Biology, Dongeui University) ;
  • Huh, Hong-Wook (Department of Biology, Pusan National University)
  • Published : 2007.11.30
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Abstract

Four taxa of the genus Phyllostachys were analysed with PCR-based molecular inter-simple sequence repeat (ISSR) determine markers to determine their phylogenetic relationships. Many species of this genus are regarded as economical and ecologically important in the world. With the nine primers screened, ISSR assay generated a total of 64 reproducible bands. Analysis of ISSR from individual plants of genus Phyllostachys resulted in 43 polymorphic bands with 70.49%. When species were grouped by four taxa, within group diversity was 0.092 (Hs), while among group diversify was 0.499 (Gst) on a per locus basis. The estimated gene flow (Nm) between the pairs of species was 0.559. Hence, we can expect weak or low gene flow among species. Total mean genetic diversity ($H_T$) for four taxa was 0.291. The ISSR data allowed us to resolve well-supported clades in the genus Phyllostachys. The four taxa of the genus Phyllostachys analyzed were distinctly related to a monophyletic.

ISSR분자 마커를 이용하여 왕대속 대나무의 유연관계를 분석 실시하였다. 전세계적으로 왕대속에 속하는 4종은 경제학적, 생태학적으로 중요한 식물 자원중 하나이다. 총 11개의 ISSR 프라이머 중 9개의 프라이머에서 증폭이 일어 났으며 총 64개의 밴드를 확인 할 수 있었다. ISSR분석결과 왕대속 4종의 대나무에서 70.49%인 43개의 다형현상이 나타났다. 4개의 분류군으로 분류된 왕대속 대나무의 집단내 다양성(Hs)은 0.092,집단간 다양성(Gst)은 0.499로 나타났다. 각 종에 대한 유전자 유동(Nm)은 0.559로 나타났다. 따라서 왕대속에 속하는 4종의 유전자 유동(Nm)은 아주 낮음을 알 수 있었다 4종의 분류군에 대한 유전자 다양성(Ht)은 0.291로 낮게 나타났으며 ISSR 마커로 명확하게 그들은 분류가 되었다. 또한 왕대속의 4종은 단일계통임을 확인할 수 있었다.

Keywords

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