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Enzymatic iron and uranium reduction by sulfate-reducing bacteria

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Enzymatic iron and uranium reduction by sulfate-reducing bacteria; 1993; Article; Journal; Marine Geology; Lovley, D. R.; Roden, E. E.; Phillips, E. J. P.; Woodward, J. C.

Summary

The potential for sulfate-reducing bacteria (SRB) to enzymatically reduce Fe(III) and U(VI) was investigated. Five species of Desulfovibrio as well as Desulfobacterium autotrophicum and Desulfobulbus propionicus reduced Fe(III) chelated with nitrilotriacetic acid as well as insoluble Fe(III) oxide. Fe(III) oxide reduction resulted in the accumulation of magnetite and siderite. Desulfobacter postgatei reduced the chelated Fe(III) but not Fe(III) oxide. Desulfobacter curvatus, Desulfomonile tiedjei, and Desulfotomaculum acetoxidans did not reduce Fe(III). Only Desulfovibrio species reduced U(VI). U(VI) reduction resulted in the precipitation of uraninite. None of the SRB that reduced Fe(III) or U(VI) appeared to conserve enough energy [...]

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Type Scheme Key
local-index unknown 70017457
local-pk unknown 70017457
series unknown Marine Geology

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journalMarine Geology
parts
typevolume
value113
typeissue
value1-2
languageEnglish
citationTypeArticle

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