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A Grand Unified Theory of Biomineralization

Kirschvink, Joseph L. and Hagadorn, James W. (2000) A Grand Unified Theory of Biomineralization. In: The Biomineralisation of Nano- and Micro-Structures. Wiley , Weinheim, Germany, pp. 139-150.

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The geological record indicates that the major animal phyla began biomineralizing in a relatively short interval of time during the Cambrian evolutionary explosion, about 525 Myr ago. Because these phyla diverged well before this biomineralization event, it was triggered either by an unprecedented lateral genetic transfer, or was the result of parallel exaptation of an ancestral biomineral system in many separate lineages. As magnetite (Fe_3O_4) biomineralization is the most ancient matrix-mediated system, and is present in most animal groups, it may have served as this ancestral template for exaptation. Complete sequencing of the genome of a magnetotactic bacterium, and identifying the magnetite operon, might provide a 'road map' for unraveling the genetics of biomineralization in higher organisms, including humans.

Item Type:Book Section
Kirschvink, Joseph L.0000-0001-9486-6689
Additional Information:© 2000 Wiley-VCH Verlag GmbH. We thank the NASA Astrobiology Institute, the Electric Power Research Institute WO-4307-03, and an anonymous donor for support. This paper is dedicated to the memory of Heinz A. Lowenstam, who initiated the systematic study of the diversity of biomineral products.
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NASA Astrobiology InstituteUNSPECIFIED
Electric Power Research InstituteWO-4307-03
Record Number:CaltechAUTHORS:20130118-101342177
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:36470
Deposited By: Tony Diaz
Deposited On:23 Jan 2013 00:04
Last Modified:03 Mar 2020 13:01

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