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Shedding Light on Selenium Biomineralization: Proteins Associated with Bionanominerals ▿

By Markus Lenz, Boris Kolvenbach, Benjamin Gygax, Suzette Moes and Philippe F. X. Corvini


Selenium-reducing microorganisms produce elemental selenium nanoparticles with particular physicochemical properties due to an associated organic fraction. This study identified high-affinity proteins associated with such bionanominerals and with nonbiogenic elemental selenium. Proteins with an anticipated functional role in selenium reduction, such as a metalloid reductase, were found to be associated with nanoparticles formed by one selenium respirer, Sulfurospirillum barnesii

Topics: Geomicrobiology
Publisher: American Society for Microbiology
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Provided by: PubMed Central
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