Optimized oxidoreductases for medium and large scale industrial biotransformations
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Dr Marta Pérez-Boada
E-mail: MPBoada@cib.csic.es
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publications
Total records: 126
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[ 2014 ] Pita M, Maté D, González-Pérez D, Shleev S, Fernández VM, Alcalde M, De Lacey AL Bioelectrochemical Oxidation of Water J. Am. Chem. Soc., 136: 5892-5895
[ 2014 ] Piumi F, Levasseur A, Navarro D, Zhou S, Macellaro G, Mathieu Y, Ropartz D, Ludwig R, Faulds CB, Record E A novel glucose dehydrogenase from the white-rot fungus Pycnoporus cinnabarinus: production in Aspergillus niger and physicochemical characterization of the recombinant enzyme. Appl. Microbiol. Biotechnol., 98: 10105-10118
[ 2014 ] Rico A, Rencoret J, del Río JC, Martínez AT, Gutiérrez A Pretreatment with laccase and a phenolic mediator degrades lignin and enhances saccharification of Eucalyptus feedstock Biotechnol. Biofuels, 7: 6
[ 2013 ] Babot ED, del Río JC, Kalum L, Martínez AT, Gutiérrez A Oxyfunctionalization of aliphatic compounds by a recombinant peroxygenase from Coprinopsis cinerea Biotechnol. Bioeng., 110: 2323-2332
[ 2013 ] Bey M, Zhou S, Poidevin L, Henrissat B, Coutinho PM, Berrin JG, Sigoillot JC Cello-oligosaccharide oxidation reveals differences between two lytic polysaccharide monooxygenases (family GH61) from Podospora anserina Appl. Environ. Microbiol., 79: 488-496
[ 2013 ] Carabajal M, Kellner H, Levin L, Jehmlich N, Hofrichter M, Ullrich R The secretome of Trametes versicolor grown on tomato juice medium and purification of the secreted oxidoreductases including a versatile peroxidase J. Biotech., 168: 15-23
year2014
Bioelectrochemical Oxidation of Water
Pita M, Maté D, González-Pérez D, Shleev S, Fernández VM, Alcalde M, De Lacey AL
J. Am. Chem. Soc., 136: 5892-5895

The electrolysis of water provides a link between electrical energy and hydrogen, a high energy density fuel and a versatile energy carrier, but the process is very expensive. Indeed, the main challenge is to reduce energy consumption for large-scale applications using efficient renewable catalysts that can be produced at low cost. Here we present for the first time that laccase can catalyze electrooxidation of H2O to molecular oxygen. Native and laboratory-evolved laccases immobilized onto electrodes serve as bioelectrocatalytic systems with low overpotential and a high O2 evolution ratio against H2O2 production during H2O electrolysis. Our results open new research ground on H2O splitting, as they overcome serious practical limitations associated with artificial electrocatalysts currently used for O2 evolution.

Official webpage of indox [ industrialoxidoreductases ]. Optimized oxidoreductases for medium and large scale industrial biotransformations. This project has received funding from the European Union’s Seventh Framework Programme for research, technological development and demonstration under Grant Agreement nº: FP7-KBBE-2013-7-613549. © indox 2013. Developed by garcíarincón