생명과학회지 (Journal of Life Science)

  • 제21권10호
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  • Pages.1452-1459
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  • 2011
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  • 1225-9918(pISSN)
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  • 2287-3406(eISSN)
한국생명과학회 (Korean Society of Life Science)
권호 표지
DOI QR코드

DOI QR Code

trnL-trnF 서열에 의한 한국 귤나무속과 두 근연 식물종의 계통분류학적 연구

Phylogenic Study of Genus Citrus and Two Relative Genera in Korea by trnL-trnF Sequence

  • 허만규 (동의대학교 분자생물학과) ;
  • 윤혜정 (부산대학교 생물교육과) ;
  • 최주수 (동의대학교 분자생물학과)
  • Huh, Man-Kyu (Department of Molecular Biology, Dongeui University) ;
  • Yoon, Hye-Jeong (Department of Science Education, Busan National University) ;
  • Choi, Joo-Soo (Department of Molecular Biology, Dongeui University)
  • 투고 : 2011.07.30
  • 심사 : 2011.09.09
  • 발행 : 2011.10.31
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초록

귤나무속은 운향과(Rutaceae)에 속한다. 동남아시아, 미얀마, 중국 운남에서 기원된 것으로 알려져 있다. 이 속의 분류관계는 복잡한데 클론번식과 야생식물과 교잡이 빈번하다. 식물에서 속간 속내 계통관계 추론을 위해 널리 이용되고 있는 엽록체 trnL-trnF 부위가 있다. 이 귤나무속과 두 근연한 탱자나무속과 금감속에 속하는 7종간 계통 관계를 평가하였다. 많은 삽입이 발견되었고 속내 종간 변이는 결실/삽입에 의한 것으로 밝혀졌다. 이 속의 레몬과 당귤나무은 네 계통도(MP, ML, ME, and NJ)에서 모두 같은 분지군을 형성하여 가장 근연관계에 있었고 광귤나무(향귤나무)과 자매군을 형성하였다. 유자나무는 이들과 많은 서열 차이를 나타내었다. 외부 분지군은 낮은 지지도를 나타내었다.

Citrus is a common term and genus (Citrus) of flowering plants in the rue family, Rutaceae. Citrus is believed to have originated in the part of Southeast Asia bordered by Northeastern India, Myanmar (Burma) and the Yunnan province of China. The taxonomy and systematics of the genus are complex and the precise number of natural species is unclear, as many of the named species are clonally propagated hybrids, and there is genetic evidence that even some wild, true-breeding species are of a hybrid origin. One of the most popular sequences for phylogenetic inference at the generic and infrageneric levels in plants is the chloroplast trnL-trnF region. We evaluated the seven taxa with the trnL-trnF region to estimate phenotypic relationships within the genera Citrus, Poncirus, and Fortunella in Korea. Alignment of the DNA sequences required the addition of numerous gaps. Sequence variation within Citrus was mostly due to insertion/deletion. Within the genus Citrus, C. lomonia and C. sinensis were relatives and sistered with C. aurantium in the four phylogenetic analyses (MP, ML, ME, and NJ). However, some external nodes were poorly supported.

키워드

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