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Cleavage pattern and development of isolated D blastomeres in bivalves
http://hdl.handle.net/2241/00123041
http://hdl.handle.net/2241/00123041cfacf260-0899-46da-8b75-a6fb8c1b927c
名前 / ファイル | ライセンス | アクション |
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JEZB_324-1 (1.0 MB)
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Item type | Journal Article(1) | |||||
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公開日 | 2015-01-29 | |||||
タイトル | ||||||
タイトル | Cleavage pattern and development of isolated D blastomeres in bivalves | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Hashimoto, Naoki
× Hashimoto, Naoki× Kurita, Yoshihisa× Murakami, Kana× Wada, Hiroshi |
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著者別名 |
和田, 洋
× 和田, 洋 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Although bivalves develop through spiral cleavage patterns, similar to other lophotrochozoans, the cleavage pattern of D lineage blastomeres is unique, since 2d shows four rounds of stereotypic unequal cleavage before bilateral cleavage of the largest derivative of 2d: 2d1121. This unique modification of spiral cleavage is directly associated with the characteristic morphology of bivalves, namely, bilaterally separated shell plates, because the bilateral shell plates are thought to be derived from the bilateral derivatives of 2d1121. In this report, to determine whether the unique cleavage pattern of bivalves is regulated depending on the interaction with other cells or by cell autonomous mechanisms, we performed cell isolation experiments and observed subsequent cleavage patterns of isolated blastomeres. When focusing on the largest derivatives of D blastomeres, 8% of isolated D blastomeres followed the cleavage pattern of normal development up to bilateral cleavage. Importantly, the remainder of the partial embryos ended cleavage before that stage, and none of the isolated blastomeres showed abnormal cleavage patterns. We also examined the development of isolated blastomeres and found that isolated D blastomeres could develop shell plates, whereas larvae developed from AB blastomeres never had shell plates. Based on these observations, we concluded that D blastomeres control their unique cleavage pattern through intrinsic mechanisms and develop shell glands autonomously without any cell–cell interaction with other lineages. | |||||
書誌情報 |
Journal of Experimental Zoology Part B: Molecular and Developmental Evolution 巻 234, 号 1, p. 13-21, 発行日 2015-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1552-5007 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1002/jez.b.22585 | |||||
権利 | ||||||
権利情報 | © 2014 WILEY PERIODICALS, INC. | |||||
権利 | ||||||
権利情報 | This is the peer reviewed version of the following article: Journal of Experimental Zoology Part B: Molecular and Developmental Evolution, 324,1,2015, which has been published in final form at DOI: 10.1002/jez.b.22585.This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving. | |||||
著者版フラグ | ||||||
値 | author | |||||
出版者 | ||||||
出版者 | Wiley-Liss, Inc. |