생명과학회지 (Journal of Life Science)

  • 제17권1호
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  • Pages.24-30
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  • 2007
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  • 1225-9918(pISSN)
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  • 2287-3406(eISSN)
한국생명과학회 (Korean Society of Life Science)
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SSR을 이용한 꽃치자와 열매치자의 유전적 관계

Genetic Relationships between Gardenia jasminoides var. radicans and G. jasminoides for. grandiflora Using ISSR Markers

  • 허만규 (동의대학교 분자생물학과)
  • Huh, Man-Kyu (Department of Molecular Biology, Dongeui University)
  • 발행 : 2007.01.29
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초록

꽃치자(Gardenia jasminoides var. radicans)와 열매치자(C. jasminoides for. grandiflora)는 Gardenia속으로는 우리나라에 두 분류군밖에 없으며 열매치자는 약용, 식용, 꽃치자는 방향제로 쓰인다. 그런데 꽃이 지고 나면 형태적으로 구분이 거의 되지 않는다 ISSR분석으로 이들 종의 유전적 다양도와 집단구조를 실시하였다. 88개의 DNA 분절에서 한 분류군에만 나타나는 특이밴드가 탐지되었다. 한국의 세 야생 집단은 분리되어 있고 패치 분포를 보이지만 재배종에 비해 높은 유전적 다양성을 유지하친 있었다. 열매치자가 꽃치자보다 유전적 다양성이 높았으며 ISSR 마커로 이들 분류군이 잘 분리되었다. 또한 야생 집단이 재배 집단보다 다양성이 약간 높으나 유의성은 없었다. 이는 재배화과정에서 유전적 다양성의 일부 상실이 있었으나 인위적인 채취와 식재로 야생 집단과 재배 집단의 유전적 교류가 존재하였음을 시사한다.

Inter simple sequence repeat (ISSR) markers were performed in order to analyse the genetic relation-ships of both taxa of Gardenia jasminoides var. radicans and G. jasminoides for. grandifora. Over the 88 fragments, only one locus (ISSR-11-05) was specific to G. jasminoides var. radicans and only one (ISSR-09-05) G. jasminoides for. grandiflora. Although G. jasminoides var. radicans showed low levels of alleles and Shannon's information index than G. jasminoides for. Grandiflora, however, there was not significant differences (p > 0.05). For both taxa the mean genetic diversity of natural populations was higher than that of cultivation populations. It was suggested that domestication processes via artificial selection do not have eroded the high levels of genetic diversity. ISSR markers were more effective in classifying natural populations of wild G. jasminoides in East Asia as well as cultivated G. jasminoides. The information about the phylogenetic relationship of G. jasminoides var. radicans and its closely related species is very valuable of the systematics of genus Gardenia, the origin of cultivated G. jasminoides, and future G. jasminoides breeding.

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피인용 문헌

  1. Development of polymorphic microsatellite markers in the medicinal plant Gardenia jasminoides (Rubiaceae) vol.58, 2015, https://doi.org/10.1016/j.bse.2014.11.009