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Open AccessArticle

Revisiting the Organic Template Model through the Microstructural Study of Shell Development in Pinctada margaritifera, the Polynesian Pearl Oyster

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CR2P Centre de Recherche sur la Paléodiversité et les Paléoenvironnements, UMR 7207, Muséum National d’Histoire Naturelle CNRS MNHN Sorbonne-Université, 75005 Paris, France
2
ISYEB Institut de Systématique, Evolution, Biodiversité, UMR 7205 CNRS MNHN Sorbonne-Université EPHE Muséum National d’Histoire Naturelle, 75005 Paris, France
3
BOREA Biologie des Organismes et Ecosystèmes Aquatiques, UMR 7208 CNRS MNHN Sorbonne-Université UA UCN IRD 207, Muséum National d’Histoire Naturelle, 75005 Paris, France
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Nanoscopium beamline, Synchrotron Soleil, 91190 Saint Aubin, France
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Department of Geological Sciences, The University of Alabama, Tuscaloosa, AL 35487, USA
*
Author to whom correspondence should be addressed.
Minerals 2018, 8(9), 370; https://doi.org/10.3390/min8090370
Received: 21 June 2018 / Revised: 8 August 2018 / Accepted: 21 August 2018 / Published: 25 August 2018
(This article belongs to the Special Issue Biomineral Crystal Structure)
A top-down approach to the mineralized structures and developmental steps that can be separated in the shells of Pinctada margaritifera was carried out. Detailed characterizations show that each of the two major layers usually taken into account (the outer prismatic layer and the inner nacreous layer) is actually the result of a complex process during which the microstructural patterns were progressively established. From its early growing stages in the deeper part of the periostracal grove up to the formation of the most inner nacreous layers, this species provides a demonstrative case study illustrating the leading role of specifically secreted organic structures as determinants of the crystallographic properties of the shell-building units. Gathering data established at various observational scales ranging from morphology to the nanometer level, this study allows for a reexamination of the recent and current biomineralization models. View Full-Text
Keywords: biomineralization; Mollusca; shell development; biocrystallization model biomineralization; Mollusca; shell development; biocrystallization model
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MDPI and ACS Style

Cuif, J.-P.; Dauphin, Y.; Luquet, G.; Medjoubi, K.; Somogyi, A.; Perez-Huerta, A. Revisiting the Organic Template Model through the Microstructural Study of Shell Development in Pinctada margaritifera, the Polynesian Pearl Oyster. Minerals 2018, 8, 370. https://doi.org/10.3390/min8090370

AMA Style

Cuif J-P, Dauphin Y, Luquet G, Medjoubi K, Somogyi A, Perez-Huerta A. Revisiting the Organic Template Model through the Microstructural Study of Shell Development in Pinctada margaritifera, the Polynesian Pearl Oyster. Minerals. 2018; 8(9):370. https://doi.org/10.3390/min8090370

Chicago/Turabian Style

Cuif, Jean-Pierre; Dauphin, Yannicke; Luquet, Gilles; Medjoubi, Kadda; Somogyi, Andrea; Perez-Huerta, Alberto. 2018. "Revisiting the Organic Template Model through the Microstructural Study of Shell Development in Pinctada margaritifera, the Polynesian Pearl Oyster" Minerals 8, no. 9: 370. https://doi.org/10.3390/min8090370

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