| ○種別 (必須): | □ | 学術論文 (審査論文)
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| ○言語 (必須): | □ | 英語
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| ○招待 (推奨): |
| ○審査 (推奨): |
| ○カテゴリ (推奨): |
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| ○学究種別 (推奨): |
| ○組織 (推奨): | 1. | 徳島大学.大学院ソシオテクノサイエンス研究部.ライフシステム部門.生命機能工学 (2006年4月1日〜2016年3月31日)
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| ○著者 (必須): | 1. | 三戸 太郎 ([徳島大学.バイオイノベーション研究所]/[徳島大学.生物資源産業学部.生物資源産業学科.生物生産システム講座])
| ○役割 (任意): |
| ○貢献度 (任意): |
| ○学籍番号 (推奨): |
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| 2. | (英) Nakamura Taro (日) (読)
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| 3. | 更科 功
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| 4. | (英) Chang CC (日) (読)
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| 5. | (英) Ogawa S (日) (読)
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| 6. | 大内 淑代
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| 7. | 野地 澄晴 ([徳島大学])
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| ○題名 (必須): | □ | (英) Dynamic expression patterns of vasa during embryogenesis in the cricket Gryllus bimaculatus (日)
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| ○副題 (任意): |
| ○要約 (任意): | □ | (英) The specification of germ cells during embryogenesis is an important issue in the development of metazoans. In insects, the mode of germ cell specification appears to be highly variable among species and molecular data are not sufficient to provide an evolutionary perspective to this issue. Expression of vasa can be used as a germ line marker. Here, we report the isolation of a vasa-like gene in a hemimetabolous insect, the cricket Gryllus bimaculatus (Gb'vas), and its expression patterns during oogenesis and embryogenesis. Gb'vas is preferentially expressed in the germarium and the expression of Gb'vas is detectable throughout vitellogenesis including mature eggs subjected to oviposition, suggesting that Gb'vas is maternally contributed to the cricket eggs. The zygotic expression of Gb'vas appears to start at the mid blastoderm stage in the posterior region of the egg, expanding in a developing germ anlage. In early germbands, an intense expression of Gb'vas is restricted to the posterior end. In later embryos, Gb'vas expression extends over the whole body and then distinctly localized to the embryonic gonad at the stage immediately before hatching. These results suggest that, in the cricket, germ cells are specified early in development at the posterior end of an early germband, as proposed by Heymons (1895) based on cytological criteria. (日)
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| ○キーワード (推奨): | 1. | (英) Animals (日) (読)
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| 2. | (英) Blastoderm (日) (読)
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| 3. | (英) Cloning, Molecular (日) (読)
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| 4. | (英) DEAD-box RNA Helicases (日) (読)
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| 5. | (英) Drosophila Proteins (日) (読)
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| 6. | (英) Embryo, Nonmammalian (日) (読)
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| 7. | (英) Gene Expression Regulation, Developmental (日) (読)
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| 8. | (英) Genes, Insect (日) (読)
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| 9. | (英) Gryllidae (日) (読)
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| 10. | (英) Oogenesis (日) (読)
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| 11. | (英) Phylogeny (日) (読)
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| 12. | (英) RNA, Messenger (日) (読)
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| 13. | (英) Sequence Homology (日) (読)
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| 14. | (英) Tissue Distribution (日) (読)
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| ○発行所 (推奨): |
| ○誌名 (必須): | □ | Development Genes and Evolution ([Springer-Verlag])
(pISSN: 0949-944X, eISSN: 1432-041X)
| ○ISSN (任意): | □ | 0949-944X
ISSN: 0949-944X
(pISSN: 0949-944X, eISSN: 1432-041X) Title: Development genes and evolutionTitle(ISO): Dev Genes EvolSupplier: Springer Online Journal ArchivePublisher: Springer (NLM Catalog)
(Scopus)
(CrossRef)
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| ○巻 (必須): | □ | 218
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| ○号 (必須): | □ | 7
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| ○頁 (必須): | □ | 381 387
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| ○都市 (任意): |
| ○年月日 (必須): | □ | 西暦 2008年 7月 初日 (平成 20年 7月 初日)
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| ○URL (任意): |
| ○DOI (任意): | □ | 10.1007/s00427-008-0226-z (→Scopusで検索)
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| ○PMID (任意): | □ | 18542998 (→Scopusで検索)
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| ○備考 (任意): | 1. | (英) Article.Affiliation: Department of Life Systems, Institute of Technology and Science, The University of Tokushima, 2-1 Minami-Jyosanjima-cho, Tokushima City, Japan. (日)
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| 2. | (英) Article.PublicationTypeList.PublicationType: Journal Article (日)
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| 3. | (英) Article.PublicationTypeList.PublicationType: Research Support, Non-U.S. Gov't (日)
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