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. 1995 Oct;61(10):3556–3561. doi: 10.1128/aem.61.10.3556-3561.1995

Growth of Strain SES-3 with Arsenate and Other Diverse Electron Acceptors

A M Laverman, J S Blum, J K Schaefer, E Phillips, D R Lovley, R S Oremland
PMCID: PMC1388705  PMID: 16535143

Abstract

The selenate-respiring bacterial strain SES-3 was able to use a variety of inorganic electron acceptors to sustain growth. SES-3 grew with the reduction of arsenate to arsenite, Fe(III) to Fe(II), or thiosulfate to sulfide. It also grew in medium in which elemental sulfur, Mn(IV), nitrite, trimethylamine N-oxide, or fumarate was provided as an electron acceptor. Growth on oxygen was microaerophilic. There was no growth with arsenite or chromate. Washed suspensions of cells grown on selenate or nitrate had a constitutive ability to reduce arsenate but were unable to reduce arsenite. These results suggest that strain SES-3 may occupy a niche as an environmental opportunist by being able to take advantage of a diversity of electron acceptors.

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Selected References

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