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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.12
- 수록면
- 1,649 - 1,660 (12page)
- DOI
- 10.13000/JFMSE.2019.12.31.6.1649
이용수
초록· 키워드
오류제보하기
Spermatogenesis and taxonomic value of sperm ultrastructure in Coecella chinensis (Mesodesmatidae) were investigated by transmission and scanning electron microscopy, and sperm ultrastructural differences were compared between Mesodesmatidae and Mactridae species(Bivalvia, Heterodonta). Ultrastructure of the acrosomal vesicles and nuclei of Mesodesmatidae and Mactridae species are very similar. In C. chinensis, the basal rings of the acrosomal vesicle of spermatozoa are composed of an electron-dense opaque part at the lower portion and an electron-dense lucent part at the upper portion. In Mactridae species, acrosomal vesicles of spermatozoa are similar. However, two different heights of acrosomal vesicle basal rings were observed in spermatozoa between the two families in subclass Heterodonta. In the case of Mesodesmatidae (C. chinensis), basal ring height is high toward the upper direction, whereas those of Mactridae species is low toward outer directions. Thus, height basal rings of the acrosomal vesicles of spermatozoa can be used as a key characteristic for identification of Mesodesmatidae and Mactridae species. There are four or five mitochondria in the sperm midpiece of the observed Mesodesmatidae species, whereas there are only four in previously analyzed Mactridae species. Consequently, number of mitochondria may be useful for taxonomic analysis at the family or superfamily levels.
목차
Abstract
Ⅰ. Introduction
Ⅱ. Materials and methods
Ⅲ. Results
Ⅳ. Discussion
References
참고문헌 (27)
참고문헌 신청
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정예영 / 2007 / Spermatogenesis and Sexual Maturation in Male Mactra chinensis (Bivalvia: Mactridae) of Korea / Animal Cells and Systems 11(2):227~234
정의영 / 2010 / Ultrastructures of Germ Cells and the Accessory Cells During Spermatogenesis in Male Gomphina veneriformis (Bivalvia: Veneridae) on the East Sea of Korea / The Korean Journal of Malacology 26(1):51~62
K. J. Eckelbarger / 1996 / Ultrastructure of the gonad and gametogenesis in the eastern oyster,Crassostrea virginica. II. Testis and spermatogenesis / Marine Biology 127(1):89~96
Chung EY / 2000 / Gametogenesis and sexual maturation of the surf clam, Mactra veneriformis on the west coast of Korea / Malacologia 42:149~163
정예영 / 2007 / Spermatogenesis and Sexual Maturation in Male Mactra chinensis (Bivalvia: Mactridae) of Korea / Animal Cells and Systems 11(2):227~234
정의영 / 2010 / Ultrastructures of Germ Cells and the Accessory Cells During Spermatogenesis in Male Gomphina veneriformis (Bivalvia: Veneridae) on the East Sea of Korea / The Korean Journal of Malacology 26(1):51~62
K. J. Eckelbarger / 1996 / Ultrastructure of the gonad and gametogenesis in the eastern oyster,Crassostrea virginica. II. Testis and spermatogenesis / Marine Biology 127(1):89~96
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