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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Measurement of surface topography and stiffness distribution on cross section of Xenopus laevis tailbud for estimation of mechanical environment in embryo

http://hdl.handle.net/2237/26886
0177ce5b-f64c-4900-8562-9bc0960155f6
名前 / ファイル ライセンス アクション
MurakamiDGD17forRepo.pdf MurakamiDGD17forRepo.pdf ファイル公開:2018/06/01 (2.2 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2017-08-04
タイトル
タイトル Measurement of surface topography and stiffness distribution on cross section of Xenopus laevis tailbud for estimation of mechanical environment in embryo
著者 Murakami, Fumiaki

× Murakami, Fumiaki

WEKO 73113

Murakami, Fumiaki

Search repository
Ando, Yoriko

× Ando, Yoriko

WEKO 73114

Ando, Yoriko

Search repository
Miyagi, Asuka

× Miyagi, Asuka

WEKO 73115

Miyagi, Asuka

Search repository
Sugita, Shukei

× Sugita, Shukei

WEKO 73116

Sugita, Shukei

Search repository
Ueno, Naoto

× Ueno, Naoto

WEKO 73117

Ueno, Naoto

Search repository
Matsumoto, Takeo

× Matsumoto, Takeo

WEKO 73118

Matsumoto, Takeo

Search repository
権利
権利情報 "This is the peer reviewed version of the following article: [Murakami, F., Ando, Y., Miyagi, A., Sugita, S., Ueno, N. and Matsumoto, T. (2017), Measurement of surface topography and stiffness distribution on cross-section of Xenopus laevis tailbud for estimation of mechanical environment in embryo. Develop. Growth Differ., 59: 434–443. doi:10.1111/dgd.12372], which has been published in final form at [http://doi.org/10.1111/dgd.12372]. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving."
抄録
内容記述 The stress distribution inside a Xenopus laevis tailbud embryo was estimated to examine the cause of the straightening and elongation. The embryos were cut in the middle, yielding a cross-section perpendicular to the body axis. The section was not flat, owing to the residual stress relief. The stress needed to restore the flatness corresponded to the stress inside the embryo and was calculated using the surface topography and Young's-moduli in the section. We found the areas of the notochord (Nc), neural tube (NT), and abdominal tissue (AT) bulged in the cross-section, which revealed that compressive forces acted in these tissues. The moduli of the Nc, NT, and AT were in the order of several thousand, hundred, and tens of pascals, respectively. In the Nc, the compressive force was largest and increased with the development, suggesting Nc playing a central role in the elongation. The bending moment generated by the AT was 10 times higher than that by the Nc in the early stages of the tailbud formation, and the two were similar in the latter stages, suggesting that the compressive force in the AT was the major cause of the straightening during the early stage. The straightening and elongation could be orchestrated by changes in the compressive forces acting on the Nc, NT, and AT over time. For the sake of simplicity, we calculated the compressive force only and neglected the tensile force. Thus, it should be noted that the amount of the compressive force was somewhat overestimated.
内容記述タイプ Abstract
出版者
出版者 Wiley
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
ISSN
収録物識別子タイプ ISSN
収録物識別子 0012-1592
書誌情報 Development, Growth and Differentiation

巻 59, 号 5, p. 434-443, 発行日 2017-06
著者版フラグ
値 author
URI
識別子 http://doi.org/10.1111/dgd.12372
識別子タイプ DOI
URI
識別子 http://hdl.handle.net/2237/26886
識別子タイプ HDL
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