Encyclopedia of Geobiology

2011 Edition
| Editors: Joachim Reitner, Volker Thiel

Fe(III)-Reducing Prokaryotes

  • Kristina L. Straub
Reference work entry
DOI: https://doi.org/10.1007/978-1-4020-9212-1_89

Synonyms

Fe-reducers; Fe-reducing prokaryotes/microorganisms; Ferric iron-reducing prokaryotes/microorganisms; Iron-reducers; Iron-reducing prokaryotes/microorganisms; Iron(III)-reducing prokaryotes/microorganisms

Definition

Fe(III)-reducing prokaryotes. Various species of the prokaryotic domains Bacteria and Archaea have the ability to reduce Fe(III), ferric iron, to Fe(II), ferrous iron, by the transfer of electrons. The electrons for Fe(III) reduction derive mainly from the metabolic oxidation of organic compounds or hydrogen.

Introduction

Reduction of Fe(III) by prokaryotes has been known since the beginning of the twentieth century but was not considered to be of importance. At that time, only few bacterial strains were known to reduce small amounts of Fe(III) during fermentation. In addition, it was misleadingly presumed that prokaryotes cause reduction of Fe(III) mainly indirectly by producing sulfide, releasing organic compounds, lowering the redox potential, or decreasing the...

Keywords

Electron Acceptor Ferric Iron Aerobic Respiration Terminal Electron Acceptor Facultative Anaerobe 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  • Kristina L. Straub
    • 1
  1. 1.Biogeochemie/UmweltgeowissenschaftenUniversity of ViennaViennaAustria