Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Phylogenetic Analysis of the Former Members of Scrophulariaceae

현삼과에서 재분류된 식물들의 계통분류학적 고찰

  • 배영민 (창원대학교 미생물학과)
  • Received : 2010.11.04
  • Accepted : 2010.12.14
  • Published : 2011.02.28
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Abstract

Plants which had been classified to the Scrophulariaceae of the Lamiales were recently reclassified. Many of them were moved to the other families of Lamiales according to the DNA sequences of the plastid DNA. Among those, Melampyrum roseum, Phtheirospermum japonicum, Pseudolysimachion undulata, Lindernia crustacea and Mazus pumilus were chosen for phylogenetic analyses. DNA sequences of 18S rRNA gene and ITS1 of those plants were determined and deposited into GenBank (accession numbers GU359046, GU359047, GU359048, GU359049, GU359050, respectively). Analyses of those DNA sequences confirmed the current classification done on the basis of the plastid DNA sequences of Melampyrum roseum, Phtheirospermum japonicum and Pseudolysimachion undulata. However, it was not possible to classify Mazus pumilus and Lindernia crustacea due to discrepancies of analyses data.

꿀풀목 현삼과에 속하는 식물들의 재분류가 최근에 이루어졌는데, 엽록체 DNA의 염기서열에 따라 많은 수의 식물들이 꿀풀목의 다른 과로 옮겨졌다. 이들 중에서 국내의 산야에서 쉽게 발견할 수 있는 꽃며느리밥풀, 나도송이풀, 물칭개나물, 외풀, 주름잎의 계통분류를 시도해 보았다. 우선, 이 식물들의 18S rRNA 및 ITS1의 염기서열을 결정하여 GenBank에 등록하였다(각각, accession numbers GU359046, GU359047, GU359048, GU359049, GU359050). 꽃며느리밥풀, 나도송이풀 및 물칭개나물의 경우에는 엽록체 DNA의 염기서열에 기초를 둔 현재의 분류체계와 본 연구에서 분석한 결과가 잘 일치하였다. 그러나 주름잎과 외풀의 경우에는 분석 결과에 있어서의 차이가 커서 결론에 도달할 수가 없었다.

Keywords

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