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Dissimilatory Iron(III) Reducing Bacteria Camille Jones Hopkins Microbiology Course 2012
What do they do? Image: Pacific Northwest National Laboratory Simple Fermentation Products + Fe(OH) 3 Fe 2+ + HCO 3 - Shewanella sp.
Who are they? Lovley, DR, Holmes, DE, Nevin, KP Dissimilatory Fe(III) and Mn(IV) Reduction. Advances in Microbial Physiology
How do you isolate them? Images: Katrin Richter and Camille Jones t = 0 t = initial t = transfer Ferrihydrite Magnetite Lactate Fe(III)- hydroxide No O 2
2012 HMC Results
Environmental Connections Links with nitrogen (N) and uranium (U) cycles Promotion of arsenic (As) contamination Aromatic hydrocarbon contaminant degradation Microbial fuel cells
Niche: High Fe(III) No other e- acceptors Fitness Environmental Dynamics Shewanella sp. Geobacter sp. Evolutionary Ecological Selection
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