식물분류학회지 (Korean Journal of Plant Taxonomy)

  • 제39권3호
  • /
  • Pages.216-219
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  • 2009
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  • 1225-8318(pISSN)
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  • 2466-1546(eISSN)
한국식물분류학회 (The Korean Society of Plant Taxonomists)
권호 표지

중국 Yunnan 지역 갈퀴덩굴속 식물에 대한 염색체 연구

Chromosome study of Galium elegans and G. asperifolium (Rubiaceae) from Yunnan, China

  • 정금선 (경북대학교 자연과학대학 생물학과) ;
  • 이상우 (한국생명공학연구원 해외생물소재연구센터) ;
  • 박재홍 (경북대학교 자연과학대학 생물학과)
  • Jeong, Keum Seon (Department of Biology, College of Natural Sciences, Kyungpook National University) ;
  • Lee, Sang Woo (Korea Research Institute of Bioscience and Biotechnology (International Biological Material Research Center, Korea-China Biological Material Research Center)) ;
  • Pak, Jae-Hong (Department of Biology, College of Natural Sciences, Kyungpook National University)
  • 발행 : 2009.09.30
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초록

중국 Yunnan 지역일대에서 채집한 갈퀴덩굴속(Galium L.) 2 분류군, Sect. Cymogaliea Pobed의 Galium elegans Wall. ex Roxb 와 Sect. Leptogalium Lang의 Galium asperifolium Wall. ex Roxb 의 체세포염색체수를 처음으로 밝혔다. G. elegans는 2개 지역에서 채집한 개체 모두 2n = 22(X = 11)의 2배체로 확인되었다. G. asperifolium는 5개 지역의 개체에 대해 체세포염색체수 조사 결과 2n = 33, 44, 55(X = 11)의 3배체, 4배체, 5배체 등이 확인되었다. 중국 Yunnan지역에 분포하는 G. elegans는 대부분 2배체로 확인되었고, G. asperifolium은 종내 다양한 배수체를 가지며, Mt. Canghsan의 개체군에서는 3배체와 4배체종이 혼재하는 것으로 확인되었다.

The somatic chromosome of two taxa, Galium elegans Wall. ex Roxb(Sect. Cymogaliea Pobed) and Galium asperifolium Wall. ex Roxb(Sect. Leptogalium Lang), in Yunnan, China were investigated. The taxa were reported for the first time. The somatic chromosome numbers of G. elegans was 2n = 22(X = 11), diploid, from two regions, Mt. Canghsan and Hutiaoxia Valley. Those of G. asperifolium were found as 2n = 33, 44, 55(X = 11) with triploid, tetraploid, pentaploid. Most of G. elegans in the Yunnan were confirmed as diploid. The somatic chromosome number of G. asperifolium was found polyploidy, and the investigation revealed that triploid and tetraploid are living together as mixed population in the Mt. Canghsan.

키워드

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