Marine Biology

Myriad Mapping of nanoscale minerals reveals calcium carbonate hemihydrate in forming nacre and coral biominerals

C. A. Schmidt, E. Tambutté, et al.

Discover the fascinating world of calcium carbonate biomineralization in marine organisms! This research, conducted by a team of experts including Connor A. Schmidt and Eric Tambutté, reveals groundbreaking insights from the analysis of nanoscale mineral phases that showcase the diverse pathways of biomineralization, challenging previous notions.

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Index

Abstract

Calcium carbonate (CaCO₃) is abundant on Earth and a major component of marine biominerals. This study uses Myriad Mapping (MM) of nanoscale mineral phases to analyze 200 million spectra, revealing calcium carbonate hemihydrate (CCHH) and monohydrocalcite (MHC), along with amorphous precursors, on freshly deposited coral skeleton and nacre surfaces, but not on sea urchin spines. This indicates biomineralization pathways are more diverse than previously thought.

Publisher

Nature Communications

Published On

Feb 28, 2024

Authors

Connor A. Schmidt, Eric Tambutté, Alexander A. Venn, Zhaoyong Zou, Cristina Castillo Alvarez, Laurent S. Devriendt, Hans A. Bechtel, Cayla A. Stifler, Samantha Anglemyer, Carolyn P. Breit, Connor L. Foust, Andrii Hopanchuk, Connor N. Klaus, Isaac J. Kohler, Isabelle M. LeCloux, Jaiden Mezera, Madeline R. Patton, Annie Purisch, Virginia Quach, Jaden S. Sengkhammee, Tarak Sristy, Shreya Vattem, Evan J. Walch, Marie Albéric, Yael Politi, Peter Fratzl, Sylvie Tambutté, Pupa U.P.A. Gilbert

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