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このアイテムの引用には次の識別子を使用してください: http://ir.obihiro.ac.jp/dspace/handle/10322/2731

タイトル: Comparative Studies on lipid Analysis and Ultrastructure in Porcine and Southern Minke Whale (Balaenoptera Bonaerensis) Oocytes
著者: FUJlHIRA, Takuma
KINOSHITA, Mikio
SASAKI, Motoki
OHNISHI, Masao
ISHIKAWA, Hajime
OHSUMI, Seiji
FUKUI, Yutaka
木下, 幹朗
佐々木, 基樹
大西, 正男
キーワード: Minke whale
Porcine
Oocytes
Lipid
Sexual maturity
発行日: Oct-2004
出版者: 日本繁殖生物学会
誌名: Journal of Reproduction and Development
巻: 50
号: 5
開始ページ: 525-532
抄録: The present study was conducted to clarify the difference in the color of the cytoplasm in immature follicular oocytes from prepubertal and adult minke whales. The four lipid contents (triglyceride,total cholesterol phospholipids and non-esterified fatty acids) in vitrified immature oocytes from prepubertal and adult minke whales,and also in fresh and vitrified immature porcine oocytes,were measured. The lipid contents in vitrified-warmed minke whale oocytes were similarly high compared with those in vitrified-warmedp orcine oocytes. In particular,the total cholesterol and phospholipid contents in the vitrified immature oocytes from prepubertal and adult minke whales were significantly( P<0.05) higher than those from prepubertal pigs. Furthermore,the distribution of lipid droplets in fresh and vitrified immature oocytes was observed in transmission electron microscopy. Lipid droplets in the prepubertal minke whale oocytes were distributed throughout the cytoplasm. In contrast,adult minke whales had larger lipid droplets which were distributed mainly in the central portion of the cytoplasm. The lipid droplets of immature oocytes from prepubertal pigs were larger than those in minke whale oocytes. These results indicated that the difference in the distribution of the cytoplasmic lipid droplets may result in the difference in the color tone of both prepubertal and adult whale oocyte cytoplasm.
URI: http://ir.obihiro.ac.jp/dspace/handle/10322/2731
ISSN: 13484400
09168818
権利情報: 日本繁殖生物学会
出現コレクション:00E01学術雑誌論文

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