Korean Journal of Medicinal Crop Science (한국약용작물학회지)

The Korean Society of Medicinal Crop Science (한국약용작물학회)
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Karyotype Analysis of Five Species of Genus Pulsatilla

할미꽃속 식물 5종의 핵형 분석

  • Lee, Woo-Kyu (School of Biosciences and Biotechnology, Chungnam Natl. Univ.) ;
  • Choi, Hae-Woon (School of Biosciences and Biotechnology, Chungnam Natl. Univ.) ;
  • Bang, Jae-Wook (School of Biosciences and Biotechnology, Chungnam Natl. Univ.)
  • Published : 2004.12.31
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Abstract

Karyotypes were established in five Pulsatilla species from Korea : P. cernua, P. davurica, P. koreana, P. chinensis and P. tongkangensis. The somatic chromosome numbers of five species were all 2n=2x=16 with the basic number of x=8. The chromosome complement of P. cernua consisted of 5 pairs of metacentric, 1 pair of submetacentric and 2 pairs of subtelocentric. P. davurica, P. koreana and P. chinensis consisted of 5 pairs of metacentric and 3 pairs of subtelocentric. P. tongkangensis consisted of 5 pairs of metacentric, 2 pairs of submetacentric, and 1 pair of subtelocentric. Karyotype formulas of P. davurica, P. koreana, and P. chinensis were the same as K (2n) = 2x = 16 = 10m + 6st, while those of P. cernua was K (2n) = 2x = 16 = 10m + 2sm + 4st and P. tongkangensis was K (2n) = 2x = 16 = 10m + 4sm + 2st, respectively.

한국에 분포하고 있는 할미꽃속 5종에 대한 핵형 분석을 수행하여 다음과 같은 결과를 얻었다. 체세포 중기 염색체 수는 모두 2n=2x=16, 기본 염색체 수는 x=8로 관찰되었다. 가는잎할미꽃 (P. cernua)의 염색체 조성은 5쌍의 중부 염색체 (1, 2, 3, 4, 5번), 1쌍의 차중부 염색체 (6번)와 2쌍의 차단부 염색체 (7, 8번)로 핵형은 K(2n) = 2x = 16 = 10m + 2sm + 4st로 나타났고, 염색체의 크기는 $4.62{\sim}8.25\;{\mu}m$였다. 분홍할미꽃 (P. davurica), 할미꽃 (P. koreana) 및 중국할미꽃 (P. chinensis) 염색체 조성은 5쌍의 중부 염색체 (1, 2, 3, 4, 5번)와 3쌍의 차단부 염색체 (6, 7, 8번)로 핵형은 K(2n) = 2x = 16 = 10m + 6st로 유사하게 나타났다. 염색체의 크기는 분홍할미꽃 에서 $5.90{\sim}10.66\;{\mu}m$, 할미꽃에서 $5.25{\sim}8.80\;{\mu}m$, 중국할미꽃에서 $4.33{\sim}6.99\;{\mu}m$로 차이를 보였다. 동강할미꽃 (P. tongkangenesis)의 염색체조성은 5쌍의 중부 염색체 (1, 2, 3, 4, 5번), 2쌍의 차중부 염색체 (6, 7번)와 1쌍의 차단부 염색체 (8번)로 핵형은 K(2n) = 2x = 16 = 10m + 4sm + 2st로 구분되었으며, 염색체의 크기는 $4.67{\sim}8.97\;{\mu}m$로 나타났다.

Keywords

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