Journal article
Radula synthesis by three species of iron mineralizing molluscs: production rate and elemental demand
Journal of the Marine Biological Association of the United Kingdom, Vol.88(3), pp.597-601
2008
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
- Jeremy A Shaw (Author) - Murdoch UniversityD J Macey (Author) - Murdoch UniversityLesley R Brooker (Author) - University of the Sunshine Coast - Faculty of Science, Health and Education
- Publication details
- Journal of the Marine Biological Association of the United Kingdom, Vol.88(3), pp.597-601
- Publisher
- Cambridge University Press
- Date published
- 2008
- DOI
- 10.1017/S0025315408000969
- ISSN
- 0025-3154
- Copyright note
- Copyright © 2008 Cambridge University Press. The published version is reproduced in accordance with the copyright policy of the publisher.
- Organisation Unit
- University of the Sunshine Coast, Queensland
- Language
- English
- Record Identifier
- 99449625302621
- Output Type
- Journal article
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- Marine & Freshwater Biology
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