TITLE

Structure and composition of the nacre—prisms transition in the shell of Pinctada margaritifera (Mollusca, Bivalvia)

AUTHOR(S)
Dauphin, Yannicke; Ball, Alexander D.; Cotte, Marine; Cuif, Jean-Pierre; Meibom, Anders; Salomé, Murielle; Susini, Jean; Williams, C. Terry
PUB. DATE
March 2008
SOURCE
Analytical & Bioanalytical Chemistry;Mar2008, Vol. 390 Issue 6, p1659
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A microstructural, mineralogical, and chemical study of the nacre–prisms boundary in the shells of Pinctada margaritifera shows that this boundary is not an abrupt transition, but that there exists a distinct fibrous layer with clear topographic structures and evidence of growth lines. A three-step biomineralization process is proposed that involves changes in the chemical and biochemical composition of the last growth increments of the calcite prisms, formation of the fibrous layer, and development of regular tablets in the nacreous layer.
ACCESSION #
31342605

 

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