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Gonadal sex differentiation and development during early ontogenesis in the breeding kisslip cuttlefish (Sepia lycidas)
http://hdl.handle.net/10069/39325
http://hdl.handle.net/10069/39325d12c44c8-0fc6-40a0-ae34-a0765b98c288
名前 / ファイル | ライセンス | アクション |
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Heliyon5_01948.pdf (7.5 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-07-23 | |||||
タイトル | ||||||
タイトル | Gonadal sex differentiation and development during early ontogenesis in the breeding kisslip cuttlefish (Sepia lycidas) | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Cephalopod | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Cuttlefish | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Developmental biology | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Germ cell | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Ovary | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Sex differentiation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Testis | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Murata, Ryosuke
× Murata, Ryosuke× Mushirobira, Yuji× Fujita, Takeshi× Soyano, Kiyoshi |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | To understand and obtain basic information on sex differentiation in the kisslip cuttlefish (Sepia lycidas), the gonadal sex differentiation process was investigated histologically. An undifferentiated gonad consisting of germ cells and somatic cells was found to form at a caudal site in the space between the internal yolk sacks of cuttlefish embryos at 14 and 21 days after spawning (DAS). Sexual dimorphism in the gonad was first detected at around 28 DAS. Meiotic oocytes were observed as the first visible morphological characteristic of ovaries in the gonads of some cuttlefish embryos at 28 DAS. In other individuals, neither meiotic germ cells,nor the appearance of a testicular structure, were observed in the gonad even after 10 days post hatching (DPH). Seminiferous tubules, consisting of a small number of spermatogonia and a surrounding basement membrane,were the first visible morphological characteristic of the testis in the male gonad, detected at around 20 DPH. This is the third report on the gonadal sex differentiation process in cephalopods. |
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書誌情報 |
Heliyon 巻 5, 号 6, p. e01948, 発行日 2019-06-28 |
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出版者 | ||||||
出版者 | Elsevier Ltd. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 24058440 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.heliyon.2019.e01948 | |||||
権利 | ||||||
権利情報 | c 2019 The Authors Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Heliyon, 5(6), art.no.e01948; 2019 |