Radula synthesis by three species of iron mineralizing molluscs: production rate and elemental demand

J.A. Shaw; D.J. Macey; L.R. Brooker

doi:10.1017/S0025315408000969

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Radula synthesis by three species of iron mineralizing molluscs: production rate and elemental demand

Journal article

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Radula synthesis by three species of iron mineralizing molluscs: production rate and elemental demand

J.A. Shaw, D.J. Macey and L.R. Brooker

Journal of the Marine Biological Association of the UK, Vol.88(03), pp.597-601

2008

DOI: https://doi.org/10.1017/S0025315408000969

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Abstract

A cold-shock technique was used to determine radula production rates for the chitons Acanthopleura hirtosa and Plaxiphora albida, and for the limpet Patelloida alticostata, which replaced their radular teeth at rates of 0.40, 0.36 and 0.51 rows d-1, respectively. These rates are far slower than those determined previously for non-iron-mineralizing molluscs, suggesting that the improved working life of the teeth afforded by iron-mineralization acts to significantly reduce replacement rates. In addition, inductively coupled plasma-atomic emission spectroscopy has been used to determine the quantity of iron and other elements comprising the radula of each species. These data, used in conjunction with the radula production rates, reveal that A. hirtosa, Plaxiphora albida and Patelloida alticostata have daily radula mineralization requirements for iron of 3.06, 4.12 and 0.55 μg, respectively. Such information is vital for continuing studies related to the cellular delivery of ions and subsequent biomineralization of the tooth cusps in chitons and limpets.

Details

Title: Radula synthesis by three species of iron mineralizing molluscs: production rate and elemental demand
Authors/Creators: J.A. Shaw (Author/Creator) - Murdoch University
D.J. Macey (Author/Creator) - Murdoch University
L.R. Brooker (Author/Creator) - University of the Sunshine Coast
Publication Details: Journal of the Marine Biological Association of the UK, Vol.88(03), pp.597-601
Publisher: Cambridge University Press
Identifiers: 991005543529107891
Copyright: © 2008 Marine Biological Association in the United Kingdom
Murdoch Affiliation: School of Biological Sciences and Biotechnology
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration
Citation topics: 2 Chemistry; 2.165 Nanofibers, Scaffolds & Fabrication; 2.165.1082 Calcium Carbonate Crystallization
Web Of Science research areas: Marine & Freshwater Biology
ESI research areas: Plant & Animal Science