Articles | Volume 20, issue 19
https://doi.org/10.5194/bg-20-4183-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-20-4183-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Biomineralization of amorphous Fe-, Mn- and Si-rich mineral phases by cyanobacteria under oxic and alkaline conditions
Karim Benzerara
CORRESPONDING AUTHOR
Sorbonne Université, Muséum National d'Histoire Naturelle, UMR CNRS 7590, Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC), Paris, France
Agnès Elmaleh
Sorbonne Université, Muséum National d'Histoire Naturelle, UMR CNRS 7590, Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC), Paris, France
Maria Ciobanu
Unité d'Ecologie Systématique et Evolution, CNRS, Université Paris-Saclay, AgroParisTech, Orsay, France
Alexis De Wever
Sorbonne Université, Muséum National d'Histoire Naturelle, UMR CNRS 7590, Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC), Paris, France
Paola Bertolino
Unité d'Ecologie Systématique et Evolution, CNRS, Université Paris-Saclay, AgroParisTech, Orsay, France
Miguel Iniesto
Unité d'Ecologie Systématique et Evolution, CNRS, Université Paris-Saclay, AgroParisTech, Orsay, France
Didier Jézéquel
IPGP, CNRS UMR 7154, Université de Paris & UMR CARRTEL, INRAE-USMB, Thonon-les-Bains, France
Purificación López-García
Unité d'Ecologie Systématique et Evolution, CNRS, Université Paris-Saclay, AgroParisTech, Orsay, France
Nicolas Menguy
Sorbonne Université, Muséum National d'Histoire Naturelle, UMR CNRS 7590, Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC), Paris, France
Elodie Muller
Sorbonne Université, Muséum National d'Histoire Naturelle, UMR CNRS 7590, Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC), Paris, France
Fériel Skouri-Panet
Sorbonne Université, Muséum National d'Histoire Naturelle, UMR CNRS 7590, Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC), Paris, France
Sufal Swaraj
Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin-BP 48, 91192 Gif-sur-Yvette, France
Rosaluz Tavera
Departamento de Ecología y Recursos Naturales, Universidad Nacional Autónoma de México, Mexico City, Mexico
Christophe Thomazo
Biogéosciences, CNRS UMR 6282, Université de Bourgogne Franche-Comté, Dijon, France
Institut Universitaire de France, Paris, France
David Moreira
Unité d'Ecologie Systématique et Evolution, CNRS, Université Paris-Saclay, AgroParisTech, Orsay, France
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Cited
5 citations as recorded by crossref.
- Redox conditions influence the chemical composition of iron-associated organic carbon in boreal lake sediments: A synchrotron-based NEXAFS study A. Barber et al. 10.1016/j.gca.2024.08.018
- Diversity and structure of prokaryotic assemblages in a thermally stratified tropical lake J. Torres-Huesca et al. 10.1016/j.limno.2024.126201
- Biogenic Origin of Fe-Mn Crusts from Hydrothermal Fields of the Mid-Atlantic Ridge, Puy de Folles Volcano Region E. Sergienko et al. 10.3390/geosciences14090240
- A summer in the greater Paris: trophic status of peri-urban lakes shapes prokaryotic community structure and functional potential P. Foucault et al. 10.1186/s40793-025-00681-x
- Profiling the Spirulina Dietary Supplements Available on theRomanian Market M. Bocaneala et al. 10.3390/app15052658
5 citations as recorded by crossref.
- Redox conditions influence the chemical composition of iron-associated organic carbon in boreal lake sediments: A synchrotron-based NEXAFS study A. Barber et al. 10.1016/j.gca.2024.08.018
- Diversity and structure of prokaryotic assemblages in a thermally stratified tropical lake J. Torres-Huesca et al. 10.1016/j.limno.2024.126201
- Biogenic Origin of Fe-Mn Crusts from Hydrothermal Fields of the Mid-Atlantic Ridge, Puy de Folles Volcano Region E. Sergienko et al. 10.3390/geosciences14090240
- A summer in the greater Paris: trophic status of peri-urban lakes shapes prokaryotic community structure and functional potential P. Foucault et al. 10.1186/s40793-025-00681-x
- Profiling the Spirulina Dietary Supplements Available on theRomanian Market M. Bocaneala et al. 10.3390/app15052658
Latest update: 01 Apr 2025
Co-editor-in-chief
This study documents the formation of Fe, Mn and Si amorphous mineral phases by very small cyanobacteria living in oxic, alkaline lakes. This finding has implications for using sedimentary Fe/Mn enrichments as a proxy for redox cycling in the past and extends the documented evidence for biomineralization of Si-rich phases.
This study documents the formation of Fe, Mn and Si amorphous mineral phases by very small...
Short summary
Iron and manganese are poorly soluble in oxic and alkaline solutions but much more soluble under anoxic conditions. As a result, authigenic minerals rich in Fe and/or Mn have been viewed as diagnostic of anoxic conditions. However, here we reveal a new case of biomineralization by specific cyanobacteria, forming abundant Fe(III)- and Mn(IV)-rich amorphous phases under oxic conditions in an alkaline lake. This might be an overlooked biotic contribution to the scavenging of Fe from water columns.
Iron and manganese are poorly soluble in oxic and alkaline solutions but much more soluble under...
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