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Brachiopod punctae: A complexity in shell biomineralisation

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Title: Brachiopod punctae: A complexity in shell biomineralisation
Authors: Pérez-Huerta, A.1 Alberto.PerezHuerta@ges.gla.ac.uk, Cusack, M.1, McDonald, S.2,3, Marone, F.2, Stampanoni, M.2,4, MacKay, S.5
Source: Journal of Structural Biology. Jul2009, Vol. 167 Issue 1, p62-67. 6p.
Subjects: Calcite, Plant products, Natural products, Commercial products
Abstract: Abstract: Perforations (“punctae”) are one of the most characteristic morphological shell features in calcite brachiopods. The significance of punctae is that they represent discontinuities in shell biomineralisation and thus add a level of complexity that must be accounted for in any model of brachiopod shell formation. A significant hindrance to understanding punctae growth and formation is the absence of sufficient information on volume, size and density. Here, we use synchrotron-radiation X-ray tomographic microscopy (SRXTM) to obtain three-dimensional information about punctae of five species of calcite brachiopods. X-ray tomography shows that punctae morphology is species-specific and reveals previously unknown levels of complexity for each species. This information is combined with previous data on morphology to discuss the function and growth of punctae. Overall the present study demonstrates the need to increase our understanding of discontinuities and the role of cell biology in the context of biomineralisation. [Copyright &y& Elsevier]
Copyright of Journal of Structural Biology is the property of Academic Press Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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PubType: Academic Journal
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  Data: Brachiopod punctae: A complexity in shell biomineralisation
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Structural+Biology%22">Journal of Structural Biology</searchLink>. Jul2009, Vol. 167 Issue 1, p62-67. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Calcite%22">Calcite</searchLink><br /><searchLink fieldCode="DE" term="%22Plant+products%22">Plant products</searchLink><br /><searchLink fieldCode="DE" term="%22Natural+products%22">Natural products</searchLink><br /><searchLink fieldCode="DE" term="%22Commercial+products%22">Commercial products</searchLink>
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  Data: Abstract: Perforations (“punctae”) are one of the most characteristic morphological shell features in calcite brachiopods. The significance of punctae is that they represent discontinuities in shell biomineralisation and thus add a level of complexity that must be accounted for in any model of brachiopod shell formation. A significant hindrance to understanding punctae growth and formation is the absence of sufficient information on volume, size and density. Here, we use synchrotron-radiation X-ray tomographic microscopy (SRXTM) to obtain three-dimensional information about punctae of five species of calcite brachiopods. X-ray tomography shows that punctae morphology is species-specific and reveals previously unknown levels of complexity for each species. This information is combined with previous data on morphology to discuss the function and growth of punctae. Overall the present study demonstrates the need to increase our understanding of discontinuities and the role of cell biology in the context of biomineralisation. [Copyright &y& Elsevier]
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  Data: <i>Copyright of Journal of Structural Biology is the property of Academic Press Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.jsb.2009.03.013
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        PageCount: 6
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              Text: Jul2009
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