The hyperthermophilic archaeon Pyrococcus furiosus utilizes environmental iron sulfide cluster complexes as an iron source

Iron is an essential nutrient for almost all known organisms, but in aerobic, neutral pH environments, it is present primarily as precipitated oxyhydroxide minerals. In contrast, in anaerobic environments, iron can exist in its ferrous form (Fe 2+ ) and remain soluble. In sulfide-rich, anaerobic env...

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