Electron Transfer Components of Manganese Oxidizing Bacteria

  • Laurie A. Graham
  • John C. Salerno
  • Henry L. Ehrlich


Unlike ferrous iron, manganous manganese does not autoxidize readily below 8(1). Yet manganous manganese is oxidized at a as low as 5 in nature (2,3). This oxidation is usually the result of bacterial or fungal activity. Bacteria may promote the oxidation enzymatically or non-enzymatically whereas fungi appear to promote it only non- enzymatically. Non-enzymatic oxidation below 8 is the result of interaction of Mn(II) with specific metabolic products formed by certain microbes.


Midpoint Potential Uninduced Cell Hydroxyapatite Column Electron Transport Component Electron Transfer Component 
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Copyright information

© Plenum Press, New York 1987

Authors and Affiliations

  • Laurie A. Graham
    • 1
  • John C. Salerno
    • 1
  • Henry L. Ehrlich
    • 1
  1. 1.Biology Department and Biophysics GroupRensselaer Polytechnic InstituteTroyUSA

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