Oxidation of elemental selenium to selenite by Bacillus megaterium

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Science  06 Feb 1981:
Vol. 211, Issue 4482, pp. 600-601
DOI: 10.1126/science.6779378


A strain of Bacillus megaterium isolated from soil has been found to oxidize elemental selenium in laboratory cultures to selenite and a trace of selenate (< 1 percent of the selenite). This observation represents an important but hitherto unreported oxidative step in the biological selenium cycle.