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Soluble organic matrices of aragonitic skeletons of Merulinidae (Cnidaria, Anthozoa)

Abstract : Our interpretation of the overall taxonomy and evolution of the Scleractinia, the most important reef builders in tropical areas, has long depended exclusively on morphology of the calcareous skeletons. The reported series of physical and biochemical characterizations of skeletons and the mineralizing matrices extracted from the skeletons allow, for the first time, the level of biochemical diversity among corallites of the same family to be estimated. Similarities and differences observed in the micro- and nanostructures of the skeletons reflect those of the soluble organic matrices. Sulphur is mainly associated with sulphated acidic sugars. The role of sulphated sugars on the biomineralization processes is still underestimated. The resulting data suggest that environmental conditions may act on the mineralization process through the detailed compositions of the mineralizing matrices.
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https://hal-insu.archives-ouvertes.fr/insu-00378695
Contributor : Yannicke Dauphin <>
Submitted on : Saturday, April 25, 2009 - 3:23:19 PM
Last modification on : Wednesday, September 16, 2020 - 4:56:11 PM

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Yannicke Dauphin, Jean-Pierre Cuif, C. Williams. Soluble organic matrices of aragonitic skeletons of Merulinidae (Cnidaria, Anthozoa). Comparative Biochemistry and Physiology, Elsevier, 2008, B 150, pp.10-22. ⟨10.1016/j.cbpb.2008.01.002⟩. ⟨insu-00378695⟩

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