Korean Journal of Ichthyology (한국어류학회지)

The Ichthyological Society of Korea (한국어류학회)
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Karyotype Analysis of Liobagrus somjinensis, an Endemic Species in Korea

한국 고유종 섬진자가사리 Liobagrus somjinensis의 핵형 분석

  • Cho, Yun Jeong (Faculty of Biological Science and Institute for Biodiversity Research, College of Natural Sciences, Chonbuk National University) ;
  • Park, Jong Young (Faculty of Biological Science and Institute for Biodiversity Research, College of Natural Sciences, Chonbuk National University)
  • 조윤정 (전북대학교 자연과학대학 생물학과, 전북대학교 생물다양성연구소) ;
  • 박종영 (전북대학교 자연과학대학 생물학과, 전북대학교 생물다양성연구소)
  • Received : 2016.09.09
  • Accepted : 2016.09.26
  • Published : 2016.09.30
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Abstract

The karyotype analysis of Liobagrus somjinensis, an endemic Korean freshwater fish with restricted waters and a new species of torrent catfish was carried out from nine females and eight males of Somjingang River, Sikjeong-dong, Namwon-si, Jeollabuk-do, Korea. The diploid number of chromosomes was 42, and its karyotype was composed of 28 metacentrics and 14 submetacentrics; 84 FN (fundamental number). Polyploidy and sex dimorphism were not observed in the present species. The chromosome number of L. somjinensis was the same as its congeners, but there was a difference in karyotypes.

전라북도 남원시 식정동에서 채집한 한국 고유종인 섬진자가사리를 암, 수 각각 9마리와 8마리의 핵형 분석을 실시하였다. 섬진자가사리의 염색체 수는 2n=42로 조사되었고, 핵형은 28 metacentric과 14 submetacentric으로 이루어져 있었으며 FN은 80이었다. 이번 결과에서 배수체와 암수 간의 성적이형은 발견되지 않았다. 섬진자가사리는 근연종들과 염색체 수는 같았으나, 핵형에서는 차이를 보였다.

Keywords

References

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