Apatite Mineralization in Teeth of the Chiton Acanthopleura echinata

A P Lee; Lesley R Brooker; J A Webb; D J Macey; W Van Bronswijk

doi:10.1007/s002230001156

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Apatite Mineralization in Teeth of the Chiton Acanthopleura echinata

Journal article

Peer reviewed

Apatite Mineralization in Teeth of the Chiton Acanthopleura echinata

A P Lee, Lesley R Brooker, J A Webb, D J Macey and W Van Bronswijk

Calcified Tissue International, Vol.67(5), pp.408-415

2000

DOI: https://doi.org/10.1007/s002230001156

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Abstract

Clinical Sciences

Raman microscopy

apatite

biomineralization

molluscs

Raman spectroscopy has been used to demonstrate, for the first time, that calcium mineralization in the core of the major lateral teeth of the chiton Acanthopleura echinata takes place as an ordered process, with crystalline carbonated apatite being the first mineral deposited. Deposition begins at the top of the tooth core, under the so-called tab region, progresses down the interior surface of the tab and lepidocrocite layer, and then extends outwards to the anterior surface. Mineralization is not initiated until the lepidocrocite layer has isolated the core of the tooth from the magnetite cap. The last region to be infiltrated is the anterior basal region of the tooth cusp, immediately above the junction zone. The junction zone is also a region of high ion density, as determined by energy dispersive spectroscopy (EDS) analysis, but we show here for the first time that it is free of mineral deposits, acting instead as a transfer and storage region.

Details

Title: Apatite Mineralization in Teeth of the Chiton Acanthopleura echinata
Authors: A P Lee (Author) - Curtin University
Lesley R Brooker (Author) - Murdoch University
J A Webb (Author) - Murdoch University
D J Macey (Author) - Murdoch University
W Van Bronswijk (Author) - Curtin University
Publication details: Calcified Tissue International, Vol.67(5), pp.408-415
Publisher: Springer New York LLC
Date published: 2000
DOI: 10.1007/s002230001156
ISSN: 0171-967X
Organisation Unit: University of the Sunshine Coast, Queensland
Language: English
Record Identifier: 99448770102621
Output Type: Journal article

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Collaboration types: Domestic collaboration
Web Of Science research areas: Endocrinology & Metabolism

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