한국수산과학회지 (Korean Journal of Fisheries and Aquatic Sciences)

  • 제35권5호
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  • Pages.504-511
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  • 2002
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  • 0374-8111(pISSN)
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  • 2287-8815(eISSN)
한국수산과학회 (The Korean Society of Fisheries and Aquatic Science)
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개량조개 과 4종의 정자미세구조

Spermatozoan Ultrastructure of 4 Species in Mactridae

  • 김진희 (부경대학교 수산과학연구소) ;
  • 유명숙 (부경대학교 해양생물학과)
  • Kim Jin Hee (Institute of Fisheries Science, Pukyong National University) ;
  • Yoo Myong Suk (Department of Marine Biology, Pukyong National University)
  • 발행 : 2002.09.01
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초록

본 연구는 개량조개과에 속하는 동죽, Mactra veneriformis, 개량조개, M chinensis, 북방대합, Spisula sachalinensis, 왕우럭, Tresus keenae을 대상으로 정자의 미세구조를 조사하였다. 조사한 4종 모두 primitive type의 정자를 가지고 있었다. 첨체모양은 4종 모두 유사한 형태로 첨체의 앞쪽은 전자밀도가 낮은 부분 (elp)이고, 첨체의 뒤쪽은 전자밀도가 높은 부분 (edp)로 나누어지는 변형된 모자모양이다. 4종의 정자의 핵 모양은 상대적으로 차이가 있어 구분이 가능하며, 특히 Mactra 속의 2종은 핵의 모양이 서로 유사하다. 그리고 정자의 중편부를 구성하고 있는 미토콘드리아수는 4종 모두 4개로 나타났다. 개량조개 과 조개의 정자형태는 종 특이성을 가지고, 특히 첨체는 다른 과의 조개류와 다른 과수준의 특이성으로 판단된다.

Ultrastructure and sperm morphology were investigated Mactra venerifomis, Mactra chinensis, Spisula sacharinensis, Tresus keenae in Mactridae. All the sperm studied were primitive type. They consisted of three parts; the head, the middle piece and the tail part. The acrosome forms were similar among the 4 species. The acrosome was shaped like a modified hat. It was consisted of two different parts in electronic density; the anterior part, electric lucent part (elp), and the posterior part, electric dense part (edp). But nuclei forms were slightly different among the species. All the species studied had 4 mitocondria at middle piece. We guessed that the Mactridae sperm were family-specific with characterful acrosome shape.

키워드

참고문헌

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피인용 문헌

  1. 부산 동리어촌계 개량조개, Mactra chinensis의 자원생태학적 연구 vol.44, pp.2, 2008, https://doi.org/10.3796/ksft.2008.44.2.129
  2. Spermatogenesis and Taxonomic Value of Sperm Ultrastructure in Coecella chinensis (Mesodesmatidae), and Sperm Ultrastructural Differences between Mesodesmatidae and Mactridae (Bivalvia, Heterodonta) vol.31, pp.6, 2002, https://doi.org/10.13000/jfmse.2019.12.31.6.1649