Korean Journal of Plant Taxonomy (식물분류학회지)

The Korean Society of Plant Taxonomists (한국식물분류학회)
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Genetic relationship of Aloe vera 'Saengjang', a new forma, based on cpDNA and ITS sequence variation

cpDNA와 ITS 염기변이에 근거한 신품종 생장알로에 유전적 상관관계

  • Received : 2014.11.03
  • Accepted : 2014.12.04
  • Published : 2014.12.31
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Abstract

This study was carried out to understand the genetic relationship of three Aloe spp. cultivated in Korea, A. saponaria, A. vera and A. arborescens and a new variant in Korea based on three plastid (matK, trnL-F, rbcL) and one nuclear (ITS regions) DNA barcode markers. A total of 2,420 bp sequence was amplified. Two indels were detected in the trnL region, and also several species specific nucleotide loci were detected in all 29 parsimonious informative sites, and 148 variable sites were detected among four taxa studied while 170 variable and 75 parsimonious sites were detected when other Aloe spp. in worldwide were used. An UPGMA phenogram with 10,000 bootstrap replication showed that the new variant was closest to A. vera. The variant was not morphologically and genetically concurrent with any reported species so far. The clustering of Aloe species were broadly in agreement with previously reported results.

본 연구는 3개의 색소체 matK, trnL-F, rbcL DNA 염기서열과 1개의 핵 ITS DNA 염기서열을 근거로 한국산 Aloe 3종 A. arborescens, A. vera 그리고 A. saponaria 등과 하나의 변이종 알로에의 유전적 상관관계를 알고자 수행되었다. 전체 2,420 bp 서열이 증폭되었다. 두 개의 삽인-결실(indel)이 trnL 지역에서 확인되었고, 또한 여러 개의 종 특이적인 염기자위가 전체 29개의 최소변이 정보지역(parsimonious informative site)에서 확인되었다. 조사된 한국산 4 종간에는 148 염기변이 지역이 있었으며, 세계산 Aloe 종들을 포함한 비교해서는 170개의 변이지역 중 75개의 최소변이 지역이 확인되었다. UPGMA를 이용한 phenogram에서 새로운 변이종 알로에는 A. vera와 가장 가깝게 유집되었다. 변이종 알로에는 아직까지 보고된 어떤 종류의 Aloe속내 종과 형태적 및 유전적으로 일치하지 않았다. 조사된 알로에 종들의 유집분석 결과는 기존의 연구결과와 일치하였다.

Keywords

References

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