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dc.contributor.author | Nishigami, Yukinori | en |
dc.contributor.author | Ichikawa, Masatoshi | en |
dc.contributor.author | Kazama, Toshiya | en |
dc.contributor.author | Kobayashi, Ryo | en |
dc.contributor.author | Shimmen, Teruo | en |
dc.contributor.author | Yoshikawa, Kenichi | en |
dc.contributor.author | Sonobe, Seiji | en |
dc.contributor.alternative | 市川, 正敏 | ja |
dc.date.accessioned | 2013-08-20T04:43:22Z | - |
dc.date.available | 2013-08-20T04:43:22Z | - |
dc.date.issued | 2013-08-05 | - |
dc.identifier.issn | 1932-6203 | - |
dc.identifier.uri | http://hdl.handle.net/2433/178066 | - |
dc.description.abstract | Amoeboid locomotion is one of the typical modes of biological cell migration. Cytoplasmic sol-gel conversion of an actomyosin system is thought to play an important role in locomotion. However, the mechanisms underlying sol-gel conversion, including trigger, signal, and regulating factors, remain unclear. We developed a novel model system in which an actomyosin fraction moves like an amoeba in a cytoplasmic extract. Rheological study of this model system revealed that the actomyosin fraction exhibits shear banding: the sol-gel state of actomyosin can be regulated by shear rate or mechanical force. Furthermore, study of the living cell indicated that the shear-banding property also causes sol-gel conversion with the same order of magnitude as that of shear rate. Our results suggest that the inherent sol-gel transition property plays an essential role in the self-regulation of autonomous translational motion in amoeba. | en |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | Public Library of Science | en |
dc.rights | © 2013 Nishigami et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. | en |
dc.title | Reconstruction of Active Regular Motion in Amoeba Extract: Dynamic Cooperation between Sol and Gel States. | en |
dc.type | journal article | - |
dc.type.niitype | Journal Article | - |
dc.identifier.jtitle | PloS one | en |
dc.identifier.volume | 8 | - |
dc.identifier.issue | 8 | - |
dc.relation.doi | 10.1371/journal.pone.0070317 | - |
dc.textversion | publisher | - |
dc.identifier.artnum | e70317 | - |
dc.identifier.pmid | 23940560 | - |
dcterms.accessRights | open access | - |
出現コレクション: | 学術雑誌掲載論文等 |
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