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Appears in Collections:Biological and Environmental Sciences Journal Articles
Peer Review Status: Refereed
Title: Common crystal nucleation mechanism in shell formation of two morphologically distinct calcite brachiopods
Author(s): Pérez-Huerta, Alberto
Cusack, Maggie
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Keywords: Brachiopod
electron backscatter diffraction
shell microstructure
Issue Date: 17-Jan-2008
Date Deposited: 24-Feb-2017
Citation: Pérez-Huerta A & Cusack M (2008) Common crystal nucleation mechanism in shell formation of two morphologically distinct calcite brachiopods. Zoology, 111 (1), pp. 9-15.
Abstract: Closely related mineral-producing organisms share common biomineralisation processes. We demonstrate that, in cases of disparate mineral structures where crystal growth mechanisms are necessarily diverse, nucleation processes are the common underlying mechanism during shell formation. Detailed crystallography in the context of shell microstructure in two morphologically distinct calcite brachiopods indicates that, despite differences in shell growth and fabric, at the centre of growth, calcite crystals nucleate with the c-axis 0 0 0 1 parallel to the shell surface. Such detailed contextual crystallography of biomineralisation using electron backscatter diffraction (EBSD) will have significant applications for future research in biological and medical sciences. 
DOI Link: 10.1016/j.zool.2007.03.004
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