Current production and metal oxide reduction by Shewanella oneidensis MR-1 wild type and mutants

Orianna Bretschger, Anna Obraztsova, Carter A. Sturm, Seop Chang In, Yuri A. Gorby, Samantha B. Reed, David E. Culley, Catherine L. Reardon, Soumitra Barua, Margaret F. Romine, Jizhong Zhou, Alexander S. Beliaev, Rachida Bouhenni, Daad Saffarini, Florian Mansfeld, Byung Hong Kim, James K. Fredrickson, Kenneth H. Nealson

Research output: Contribution to journalArticle

336 Citations (Scopus)

Abstract

Shewanella oneidensis MR-1 is a gram-negative facultative anaerobe capable of utilizing a broad range of electron acceptors, including several solid substrates. S. oneidensis MR-1 can reduce Mn(IV) and Fe(III) oxides and can produce current in microbial fuel cells. The mechanisms that are employed by S. oneidensis MR-1 to execute these processes have not yet been fully elucidated. Several different S. oneidensis MR-1 deletion mutants were generated and tested for current production and metal oxide reduction. The results showed that a few key cytochromes play a role in all of the processes but that their degrees of participation in each process are very different. Overall, these data suggest a very complex picture of electron transfer to solid and soluble substrates by S. oneidensis MR-1.

Original languageEnglish
Pages (from-to)7003-7012
Number of pages10
JournalApplied and Environmental Microbiology
Volume73
Issue number21
DOIs
Publication statusPublished - Nov 2007
Externally publishedYes

Fingerprint

Shewanella oneidensis
Shewanella
Oxides
oxides
Metals
Bioelectric Energy Sources
metals
Electrons
substrate
electron
mutants
Cytochromes
fuel cell
cytochrome
oxide
microbial fuel cells
anaerobes
cytochromes
electron transfer
electrons

ASJC Scopus subject areas

  • Environmental Science(all)
  • Biotechnology
  • Microbiology

Cite this

Bretschger, O., Obraztsova, A., Sturm, C. A., In, S. C., Gorby, Y. A., Reed, S. B., ... Nealson, K. H. (2007). Current production and metal oxide reduction by Shewanella oneidensis MR-1 wild type and mutants. Applied and Environmental Microbiology, 73(21), 7003-7012. https://doi.org/10.1128/AEM.01087-07

Current production and metal oxide reduction by Shewanella oneidensis MR-1 wild type and mutants. / Bretschger, Orianna; Obraztsova, Anna; Sturm, Carter A.; In, Seop Chang; Gorby, Yuri A.; Reed, Samantha B.; Culley, David E.; Reardon, Catherine L.; Barua, Soumitra; Romine, Margaret F.; Zhou, Jizhong; Beliaev, Alexander S.; Bouhenni, Rachida; Saffarini, Daad; Mansfeld, Florian; Kim, Byung Hong; Fredrickson, James K.; Nealson, Kenneth H.

In: Applied and Environmental Microbiology, Vol. 73, No. 21, 11.2007, p. 7003-7012.

Research output: Contribution to journalArticle

Bretschger, O, Obraztsova, A, Sturm, CA, In, SC, Gorby, YA, Reed, SB, Culley, DE, Reardon, CL, Barua, S, Romine, MF, Zhou, J, Beliaev, AS, Bouhenni, R, Saffarini, D, Mansfeld, F, Kim, BH, Fredrickson, JK & Nealson, KH 2007, 'Current production and metal oxide reduction by Shewanella oneidensis MR-1 wild type and mutants', Applied and Environmental Microbiology, vol. 73, no. 21, pp. 7003-7012. https://doi.org/10.1128/AEM.01087-07
Bretschger, Orianna ; Obraztsova, Anna ; Sturm, Carter A. ; In, Seop Chang ; Gorby, Yuri A. ; Reed, Samantha B. ; Culley, David E. ; Reardon, Catherine L. ; Barua, Soumitra ; Romine, Margaret F. ; Zhou, Jizhong ; Beliaev, Alexander S. ; Bouhenni, Rachida ; Saffarini, Daad ; Mansfeld, Florian ; Kim, Byung Hong ; Fredrickson, James K. ; Nealson, Kenneth H. / Current production and metal oxide reduction by Shewanella oneidensis MR-1 wild type and mutants. In: Applied and Environmental Microbiology. 2007 ; Vol. 73, No. 21. pp. 7003-7012.
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