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  Non-spherical pearl layers in the Polynesian ‘black-lipped’ Pinctada margaritifera : The non-nacreous deposits compared to microstructure of the shell growing edge

Cuif, J.-P., Dauphin, Y., Luquet, G., Belhadj, O., Rouzière, S., Salomé, M., et al. (2020). Non-spherical pearl layers in the Polynesian ‘black-lipped’ Pinctada margaritifera: The non-nacreous deposits compared to microstructure of the shell growing edge. Aquaculture Research, 51(2), 506-522. doi:10.1111/are.14395.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0005-61B2-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0005-85ED-A
Genre: Journal Article

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 Creators:
Cuif, Jean-Pierre, Author
Dauphin, Yannicke1, Author              
Luquet, Gilles, Author
Belhadj, Oulfa, Author
Rouzière, Stéphan, Author
Salomé, Murielle, Author
Cotte, Marine, Author
Somogyi, Andrea, Author
Medjoubi, Kadda, Author
Lo, Cedrik, Author
Saulnier, Denis, Author
Affiliations:
1Peter Fratzl, Biomaterialien, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863294              

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Free keywords: biomineralization, calcium carbonate microstructures, pearl cultivation, pearl layer development
 Abstract: Cultivated pearls frequently exhibit morphological irregularities making obvious that mineral deposition was irregularly distributed onto nucleus surface. Taking advantage of experimental cultivations with short durations (from 10 days to few months), these irregular deposits predating occurrence of the nacre were investigated in Polynesian pearls by biochemical characterizations and a series of physical methods. Diversity in the resulting data suggests that various in-depth alterations of the biomineralization mechanism may have occurred during the grafting process, leading to diversity in the biochemical pathways to nacreous deposition. This allows a precise discussion of current views about pearl formation. The ?reversed shell theory? is formally disproved through point to point comparison with development of the shell growing edge. Similarity of pearl formation with ?regeneration? or ?shell repair? is also discussed, emphasizing the differences between these concepts.

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Language(s): eng - English
 Dates: 2019-12-082020
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1111/are.14395
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Title: Aquaculture Research
  Alternative Title : Aquac Res
Source Genre: Journal
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Publ. Info: Oxford : John Wiley & Sons, Ltd
Pages: - Volume / Issue: 51 (2) Sequence Number: - Start / End Page: 506 - 522 Identifier: ISBN: 1355-557X