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  • Title: The utility of Shewanella japonica for microbial fuel cells.
    Author: Biffinger JC, Fitzgerald LA, Ray R, Little BJ, Lizewski SE, Petersen ER, Ringeisen BR, Sanders WC, Sheehan PE, Pietron JJ, Baldwin JW, Nadeau LJ, Johnson GR, Ribbens M, Finkel SE, Nealson KH.
    Journal: Bioresour Technol; 2011 Jan; 102(1):290-7. PubMed ID: 20663660.
    Abstract:
    Shewanella-containing microbial fuel cells (MFCs) typically use the fresh water wild-type strain Shewanella oneidensis MR-1 due to its metabolic diversity and facultative oxidant tolerance. However, S. oneidensis MR-1 is not capable of metabolizing polysaccharides for extracellular electron transfer. The applicability of Shewanella japonica (an agar-lytic Shewanella strain) for power applications was analyzed using a diverse array of carbon sources for current generation from MFCs, cellular physiological responses at an electrode surface, biofilm formation, and the presence of soluble extracellular mediators for electron transfer to carbon electrodes. Critically, air-exposed S. japonica utilizes biosynthesized extracellular mediators for electron transfer to carbon electrodes with sucrose as the sole carbon source.
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