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Title: Geobacteraceae strains and methods

Patent ·
OSTI ID:1190919

Embodiments of the present invention provide a method of producing genetically modified strains of electricigenic microbes that are specifically adapted for the production of electrical current in microbial fuel cells, as well as strains produced by such methods and fuel cells using such strains. In preferred embodiments, the present invention provides genetically modified strains of Geobacter sulfurreducens and methods of using such strains.

Research Organization:
University of Massachusetts, Boston, MA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FC02-02ER63446
Assignee:
University of Massachusetts (Boston, MA)
Patent Number(s):
9,074,198
Application Number:
12/789,294
OSTI ID:
1190919
Resource Relation:
Patent File Date: 2010 May 27
Country of Publication:
United States
Language:
English

References (19)

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Evaluation of procedures to acclimate a microbial fuel cell for electricity production journal January 2005
Biofuel Cells Select for Microbial Consortia That Self-Mediate Electron Transfer journal September 2004
Biofilm and Nanowire Production Leads to Increased Current in Geobacter sulfurreducens Fuel Cells journal August 2006
Electricity Production by Geobacter sulfurreducens Attached to Electrodes journal March 2003
Evolution of electron transfer out of the cell: comparative genomics of six Geobacter genomes journal January 2010
Optimization of the biological component of a bioelectrochemical cell journal January 2007
Carbohydrate oxidation coupled to Fe(III) reduction, a novel form of anaerobic metabolism journal December 1998
Microbial Fuel Cells, A Current Review journal April 2010
Purification and Characterization of OmcZ, an Outer-Surface, Octaheme c-Type Cytochrome Essential for Optimal Current Production by Geobacter sulfurreducens journal April 2010
Geobacter sulfurreducens strain engineered for increased rates of respiration journal September 2008
OmcB, a c-Type Polyheme Cytochrome, Involved in Fe(III) Reduction in Geobacter sulfurreducens journal April 2003
Bug juice: harvesting electricity with microorganisms journal July 2006
Outer Membrane c-Type Cytochromes Required for Fe(III) and Mn(IV) Oxide Reduction in Geobacter sulfurreducens journal December 2005
Genome of Geobacter sulfurreducens: Metal Reduction in Subsurface Environments journal December 2003
Anode Biofilm Transcriptomics Reveals Outer Surface Components Essential for High Density Current Production in Geobacter sulfurreducens Fuel Cells journal May 2009
Extracellular electron transfer via microbial nanowires journal June 2005
Highly conserved genes in Geobacter species with expression patterns indicative of acetate limitation journal September 2008
Selection of a variant of Geobacter sulfurreducens with enhanced capacity for current production in microbial fuel cells journal August 2009