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Deciphering mollusc shell production: the roles of genetic mechanisms through to ecology, aquaculture and biomimetics

Abstract : Most molluscs possess shells, constructed from a vast array of microstructures and architectures. The fully formed shell is composed of calcite or aragonite. These CaCO 3 crystals form complex biocomposites with proteins, which although typically less than 5% of total shell mass, play significant roles in determining shell microstructure. Despite much research effort, large knowledge gaps remain in how molluscs construct and maintain their shells, and how they produce such a great diversity of forms. Here we synthesize results on how shell shape, microstructure, composition and organic content vary among, and within, species in response to numerous biotic and abiotic factors. At the local level, temperature, food supply and predation cues significantly affect shell morphology, whilst salinity has a much stronger influence across latitudes. Moreover, we emphasize how advances in genomic technologies [e.g. restriction site-associated DNA sequencing
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https://hal-mnhn.archives-ouvertes.fr/mnhn-03330723
Contributor : Sophie Berland Connect in order to contact the contributor
Submitted on : Wednesday, September 1, 2021 - 10:57:14 AM
Last modification on : Friday, September 3, 2021 - 3:35:51 AM

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Melody Clark, Lloyd Peck, Jaison Arivalagan, Thierry Backeljau, Sophie Berland, et al.. Deciphering mollusc shell production: the roles of genetic mechanisms through to ecology, aquaculture and biomimetics. Biological Reviews, Wiley, 2020, 95 (6), pp.1812 - 1837. ⟨10.1111/brv.12640⟩. ⟨mnhn-03330723⟩

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