New insights into mutable collagenous tissue: correlations between the microstructure and mechanical state of a sea-urchin ligament

Ana R. Ribeiro; Alice Barbaglio; Cristiano Di Benedetto; Cristina C. Ribeiro; Iain C. Wilkie; Maria D.C. Carnevali; Mario A. Barbosa

doi:10.1371/journal.pone.0024822

New insights into mutable collagenous tissue: correlations between the microstructure and mechanical state of a sea-urchin ligament

Ana R. Ribeiro, Alice Barbaglio, Cristiano Di Benedetto, Cristina C. Ribeiro, Iain C. Wilkie, Maria D.C. Carnevali, Mario A. Barbosa

Glasgow Caledonian University

Research output: Contribution to journal › Article

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Abstract

The mutable collagenous tissue (MCT) of echinoderms has the ability to undergo rapid and reversible changes in passive mechanical properties that are initiated and modulated by the nervous system. Since the mechanism of MCT mutability is poorly understood, the aim of this work was to provide a detailed morphological analysis of a typical mutable collagenous structure in its different mechanical states. The model studied was the compass depressor ligament (CDL) of a sea urchin (Paracentrotus lividus), which was characterized in different functional states mimicking MCT mutability. Transmission electron microscopy, histochemistry, cryo-scanning electron microscopy, focused ion beam/scanning electron microscopy, and field emission gun-environmental scanning electron microscopy were used to visualize CDLs at the micro- and nanoscales.

Original language	English
Journal	PLoS ONE
Volume	6
Issue number	9
DOIs	https://doi.org/10.1371/journal.pone.0024822
Publication status	Published - Sep 2011

Keywords

echinoderms
morphological analysis
mutable collagenous tissue

Documents and Links

10.1371/journal.pone.0024822

Ribeiro, A.R. et al (2011) New insights into mutable collagenous tissue
© 2011 Ribeiro 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.
Final published version, 2.8 MB

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Ribeiro, A. R., Barbaglio, A., Di Benedetto, C., Ribeiro, C. C., Wilkie, I. C., Carnevali, M. D. C., & Barbosa, M. A. (2011). New insights into mutable collagenous tissue: correlations between the microstructure and mechanical state of a sea-urchin ligament. PLoS ONE, 6(9). https://doi.org/10.1371/journal.pone.0024822

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abstract = "The mutable collagenous tissue (MCT) of echinoderms has the ability to undergo rapid and reversible changes in passive mechanical properties that are initiated and modulated by the nervous system. Since the mechanism of MCT mutability is poorly understood, the aim of this work was to provide a detailed morphological analysis of a typical mutable collagenous structure in its different mechanical states. The model studied was the compass depressor ligament (CDL) of a sea urchin (Paracentrotus lividus), which was characterized in different functional states mimicking MCT mutability. Transmission electron microscopy, histochemistry, cryo-scanning electron microscopy, focused ion beam/scanning electron microscopy, and field emission gun-environmental scanning electron microscopy were used to visualize CDLs at the micro- and nanoscales.",

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AU - Di Benedetto, Cristiano

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AU - Wilkie, Iain C.

AU - Carnevali, Maria D.C.

AU - Barbosa, Mario A.

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