Inorganic phosphate in growing calcium carbonate abalone shell suggests a shared mineral ancestral precursor

Widad Ajili, Camila B. Tovani, Justine Fouassier, Marta Frutos, Guillaume Pierre Laurent, Philippe Bertani, Chakib Djediat, Frédéric Marin, Stéphanie Auzoux-Bordenave, Thierry Azaïs and Nadine Nassif ()
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Widad Ajili: Sorbonne Université, CNRS, Collège de France, Laboratoire de Chimie de la Matière Condensée de Paris (LCMCP)
Camila B. Tovani: Sorbonne Université, CNRS, Collège de France, Laboratoire de Chimie de la Matière Condensée de Paris (LCMCP)
Justine Fouassier: Sorbonne Université, CNRS, Collège de France, Laboratoire de Chimie de la Matière Condensée de Paris (LCMCP)
Marta Frutos: Université Paris Saclay
Guillaume Pierre Laurent: Sorbonne Université, CNRS, Collège de France, Laboratoire de Chimie de la Matière Condensée de Paris (LCMCP)
Philippe Bertani: Laboratoire de RMN et Biophysique des Membranes, CNRS UMR7177, Université de Strasbourg
Chakib Djediat: Muséum National d’Histoire Naturelle, UMR CNRS 7245
Frédéric Marin: Laboratoire Biogéosciences, UMR CNRS 6282, Université de Bourgogne - Franche-Comté (UBFC) - 6, Boulevard Gabriel
Stéphanie Auzoux-Bordenave: Laboratoire de Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), Muséum National d’Histoire Naturelle/CNRS/IRD/Sorbonne Université/UCN/UA, Station marine de Concarneau
Thierry Azaïs: Sorbonne Université, CNRS, Collège de France, Laboratoire de Chimie de la Matière Condensée de Paris (LCMCP)
Nadine Nassif: Sorbonne Université, CNRS, Collège de France, Laboratoire de Chimie de la Matière Condensée de Paris (LCMCP)

Nature Communications, 2022, vol. 13, issue 1, 1-13

Abstract: Abstract The presence of phosphate from different origins (inorganic, bioorganic) is found more and more in calcium carbonate-based biominerals. Phosphate is often described as being responsible for the stabilization of the transient amorphous calcium carbonate phase. In order to specify the composition of the mineral phase deposited at the onset of carbonated shell formation, the present study investigates, down to the nanoscale, the growing shell from the European abalone Haliotis tuberculata, using a combination of solid state nuclear magnetic resonance, scanning transmission electron microscope and spatially-resolved electron energy loss spectroscopy techniques. We show the co-occurrence of inorganic phosphate with calcium and carbonate throughout the early stages of abalone shell formation. One possible hypothesis is that this first-formed mixed mineral phase represents the vestige of a shared ancestral mineral precursor that appeared early during Evolution. In addition, our findings strengthen the idea that the final crystalline phase (calcium carbonate or phosphate) depends strongly on the nature of the mineral-associated proteins in vivo.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-29169-9

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DOI: 10.1038/s41467-022-29169-9

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