Dissimilatory metal reduction by the facultative anaerobe Pantoea agglomerans SP1

Chris A. Francis, Anna Y. Obraztsova, Bradley Tebo

Research output: Contribution to journalArticle

133 Citations (Scopus)

Abstract

Anaerobic enrichments with acetate as the electron donor and Fe(III) as the terminal electron acceptor were obtained from sediments of Salt Pond, a coastal marine basin near Woods Hole, Mass. A pure culture of a facultatively anaerobic Fe(III) reducer was isolated, and 16S rRNA analysis demonstrated that this organism was most closely related to Pantoea (formerly Enterobacter) agglomerans, a member of the family Enterobacteriaceae within the gamma subdivision of the Proteobacteria. This organism, designated strain SP1, can grow by coupling the oxidation of acetate or H2 to the reduction of a variety of electron acceptors, including Fe(III), Mn(IV), Cr(VI), and the humic substance analog 2,6-anthraquinone disulfonate, but not sulfate. To our knowledge, this is the first mesophilic facultative anaerobe reported to couple acetate oxidation to dissimilatory metal reduction.

Original languageEnglish (US)
Pages (from-to)543-548
Number of pages6
JournalApplied and Environmental Microbiology
Volume66
Issue number2
DOIs
StatePublished - Feb 2000
Externally publishedYes

Fingerprint

Pantoea
Pantoea agglomerans
anaerobes
acetate
Acetates
Metals
acetates
electrons
metals
Electrons
electron
metal
oxidation
Gammaproteobacteria
Humic Substances
Enterobacter
anthraquinones
gamma-Proteobacteria
humic substances
organisms

ASJC Scopus subject areas

  • Environmental Science(all)
  • Biotechnology
  • Microbiology

Cite this

Dissimilatory metal reduction by the facultative anaerobe Pantoea agglomerans SP1. / Francis, Chris A.; Obraztsova, Anna Y.; Tebo, Bradley.

In: Applied and Environmental Microbiology, Vol. 66, No. 2, 02.2000, p. 543-548.

Research output: Contribution to journalArticle

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