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Diversity of microbial metal sulfide biomineralization

Damien Faivre 1, 2 Yeseul Park 1 
2 MEM - Microbiologie Environnementale et Moléculaire
BIAM - Institut de Biosciences et Biotechnologies d'Aix-Marseille (ex-IBEB) : DRF/BIAM
Abstract : Since the emergence of life on Earth, microorganisms have contributed to biogeochemical cycles. Sulfate-reducing bacteria are an example of widespread microorganisms that participate in the metal and sulfur cycles by biomineralization of biogenic metal sulfides. In this work, we review the microbial biomineralization of metal sulfide particles and summarize distinctive features from exemplary cases. We highlight that metal sulfide biomineralization is highly metal- and organism-specific. The properties of metal sulfide biominerals depend on the degree of cellular control and on environmental factors, such as pH, temperature, and concentration of metals. Moreover, biogenic macromolecules, including peptides and proteins, help cells control their extracellular and intracellular environments that regulate biomineralization. Accordingly, metal sulfide biominerals exhibit unique features when compared to abiotic minerals or biominerals produced by dead cell debris.
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Submitted on : Thursday, December 9, 2021 - 2:32:10 PM
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Damien Faivre, Yeseul Park. Diversity of microbial metal sulfide biomineralization. ChemPlusChem, Wiley, 2021, 86, ⟨10.1002/cplu.202100457⟩. ⟨hal-03472672⟩



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