Journal Article

Sulfate-reducing bacterium grows with Cr(VI), U(VI), Mn(IV), and Fe(III) as electron acceptors

Bradley M Tebo and Anna Ya Obraztsova

in FEMS Microbiology Letters

Volume 162, issue 1, pages 193-199
Published in print May 1998 |
Published online January 2006 | e-ISSN: 1574-6968 | DOI: http://dx.doi.org/10.1111/j.1574-6968.1998.tb12998.x

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Abstract

A spore-forming sulfate-reducing bacterium Desulfotomaculum reducens sp. nov. strain MI-1 has been isolated from heavy metal contaminated sediments. Strain MI-1 grows with Cr(VI), Mn(IV), Fe(III), and U(VI), in addition to various sulfur compounds, as electron acceptors. This organism shares physiological properties with both the sulfate-reducing and metal-reducing groups of bacteria and is the first sulfate-reducing bacterium described that can grow with metals or U(VI) as sole electron acceptors.

Keywords: Spore-forming sulfate-reducing bacterium; Iron; Manganese; Uranium; Chromium; Metal reduction

Journal Article.  2662 words.  Illustrated.

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