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. 2023 Apr 3;11:1145177. doi: 10.3389/fbioe.2023.1145177

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Copyright © 2023 Reinhardt, Ihmann, Ahlhelm and Gelinsky.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Scanning electron micrographs of mineralized PCC 7002 after 7 days of mineralization. Bacterial cells are surrounded by mineralized calcium carbonate (CaCO₃), present in the different polymorphs vaterite, aragonite and calcite.