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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2010.1
- 수록면
- 343 - 349 (7page)
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Ultrastructural studies of vitellogenesis in oocytes and follicle cells during oogenesis in female Protothaca (Notochione) jedoensis were investigated by histological and transmission electron microscope observations. In early vitellogenic oocytes, combined activities of the Golgi complex, mitochondria and rough endoplasmic reticulum in the cytoplasm are associated with autosynthetic vitellogenesis. Furthermore, at this time, many coated vesicles at the basal region of the oolemma of the oocyte lead to the formation of vesicles through endocytosis in the cytoplasm. Through the formation of the coated pits on oolemma during vitellogenesis, the uptake of extrafollicular precursors (nutritive materials) occurs in coated vesicles by endocytosis. Therefore, it is assumed that these exogenous materials are involved in heterosynthetic vitellogenesis. During late oogenesis, exogenous yolk precursors (yolk granules), lipid droplets and proteinaceous yolk granules are present in the cytoplasm of late vitellogenic oocytes. In mature oocytes, small yolk granules appear intermingled and form large mature yolk granules. Thus, two processes of vitellogenesis occur in oocytes by way of endogenous autosynthesis and exogenous heterosynthesis. The follicle cells attached to the oocytes appear to play an integral role in vitellogenesis in this study.
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참고문헌 (17)
참고문헌 신청
Chung EY. / 2007 / Oogenesis and sexual maturation in Meretrix lusoria (Ro¨ding, 1798) (Bivalvia: Veneridae) in western Korea / J Shellfish Res. 26:71~80
Chung EY. / 2008 / Ultrastructural sdudies of oogenesis and sexual maturation in female Chlamys (azumapecten) farreri farreri (Jones & Preston, 1904) (Pteriomorphia:Pectinidae) on the Korea / Malacologia 50:279~292
Chung EY / 2005 / Germ cell differentiation and sexual maturation of the hanging cultured female scallop Patinopecten yessoensis on the east coast of Korea / J Shellfish Res. 24:913~921
정의영 / 2008 / Ultrastructure of Oocytes During Oogenesis and Oocyte Degeneration Associated with Follicle Cells in Female Sinonovacula constricta (BIVALVIA: PHARIDAE) in Western Korea / Animal Cells and Systems 12(4):313~319
Dorange G / 1989 / Ultrastructural study of oogenesis and oocytic degeneration in Pecten maximus from the Bay of St. Brieuc / Mar Biol. 103:339~348
Chung EY. / 2008 / Ultrastructural sdudies of oogenesis and sexual maturation in female Chlamys (azumapecten) farreri farreri (Jones & Preston, 1904) (Pteriomorphia:Pectinidae) on the Korea / Malacologia 50:279~292
Chung EY / 2005 / Germ cell differentiation and sexual maturation of the hanging cultured female scallop Patinopecten yessoensis on the east coast of Korea / J Shellfish Res. 24:913~921
정의영 / 2008 / Ultrastructure of Oocytes During Oogenesis and Oocyte Degeneration Associated with Follicle Cells in Female Sinonovacula constricta (BIVALVIA: PHARIDAE) in Western Korea / Animal Cells and Systems 12(4):313~319
Dorange G / 1989 / Ultrastructural study of oogenesis and oocytic degeneration in Pecten maximus from the Bay of St. Brieuc / Mar Biol. 103:339~348
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