Abstract
The continuously forming fin bony rays of zebrafish represent a simple bone model system in which mineralization is temporally and spatially resolved. The mineralized collagen fibrils of the fin bones are identical in structure to those found in all known bone materials. We study the continuous mineralization process within the tissue by using synchrotron microbeam x-ray diffraction and small-angle scattering, combined with cryo-scanning electron microscopy. The former provides information on the mineral phase and the mineral particles size and shape, whereas the latter allows high-resolution imaging of native hydrated tissues. The integration of the two techniques demonstrates that new mineral is delivered and deposited as packages of amorphous calcium phosphate nanospheres, which transform into platelets of crystalline apatite within the collagen matrix.
Bibliography
Mahamid, J., Aichmayer, B., Shimoni, E., Ziblat, R., Li, C., Siegel, S., Paris, O., Fratzl, P., Weiner, S., & Addadi, L. (2010). Mapping amorphous calcium phosphate transformation into crystalline mineral from the cell to the bone in zebrafish fin rays. Proceedings of the National Academy of Sciences, 107(14), 6316â6321.
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Dates
Type | When |
---|---|
Created | 15 years, 4 months ago (March 22, 2010, 10:36 p.m.) |
Deposited | 3 years, 4 months ago (April 12, 2022, 7:22 p.m.) |
Indexed | 2 weeks, 6 days ago (Aug. 2, 2025, 1:20 a.m.) |
Issued | 15 years, 5 months ago (March 22, 2010) |
Published | 15 years, 5 months ago (March 22, 2010) |
Published Online | 15 years, 5 months ago (March 22, 2010) |
Published Print | 15 years, 4 months ago (April 6, 2010) |
@article{Mahamid_2010, title={Mapping amorphous calcium phosphate transformation into crystalline mineral from the cell to the bone in zebrafish fin rays}, volume={107}, ISSN={1091-6490}, url={http://dx.doi.org/10.1073/pnas.0914218107}, DOI={10.1073/pnas.0914218107}, number={14}, journal={Proceedings of the National Academy of Sciences}, publisher={Proceedings of the National Academy of Sciences}, author={Mahamid, Julia and Aichmayer, Barbara and Shimoni, Eyal and Ziblat, Roy and Li, Chenghao and Siegel, Stefan and Paris, Oskar and Fratzl, Peter and Weiner, Steve and Addadi, Lia}, year={2010}, month=mar, pages={6316–6321} }