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Team:Bielefeld-Germany/Results
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Revision as of 23:15, 4 October 2013
Results
MFC
Exogenous Mediators
Glycerol dehydrogenase
We demonstrate that engineering E. coli by introduction of appropriate oxidoreductase glycerol dehydrogenase via gene manipulation can greatly improve the mediator production and power generation. We can show an extremely increased intracellular- and extracellular NADH concentration. This leads to 20 % enhanced current production in our Microbial Fuel Cell. The overexpression of Glycerol dehydrogenase from Escherichia coli is a great genetic optimization for electron shuttle-mediated extracellular electron transfer from bacteria to electrodes. Read more about GldA in detail.
Riboflavin
Phenazine
Porins
We heterologously expressed the porin protein OprF from Pseudomonas fluorescens into Escherichia coli. This leads to dramatically increased membrane permeability and a much higher current output in comparison to its parental strain (E. coli KRX) caused by improved electron shuttle-mediated extracellular electron transfer. The heterologous expression of outer membrane porin OprF from Pseudomonas fluorescens in Escherichia coli is a great genetic strategy to improve electricity generation by microorganisms. Read more in detail.
Cytochromes
Nanowires
Biosafety
