Optimized oxidoreductases for medium and large scale industrial biotransformations
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126
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[ 2016 ]
Kellner H, Pecyna MJ, Buchhaupt M, Ullrich R, Hofrichter M Draft Genome Sequence of the Chloroperoxidase-Producing Fungus Caldariomyces fumago Woronichin DSM1256
Genome Announc., 4
[ 2016 ]
Kracher D, Scheiblbrandner S, Felice AKG, Breslmayr E, Preims M, Ludwicka K, Haltrich D, Eijsink VG, Ludwig R Extracellular electron transfer systems fuel cellulose oxidative degradation
Science, 352: 1098-1101
[ 2016 ]
Linde D, Cañellas M, Coscolín C, Davó-Siguero I, Romero A, Lucas F, Ruiz-Dueñas FJ, Guallar V, Martínez AT Asymmetric sulfoxidation by engineering the heme pocket of a dye-decolorizing peroxidase: An experimental and computational study
Catal. Sci. Technol., 6: 6277-6285
[ 2016 ]
Lourenço A, Rencoret J, Chemetova C, Gominho J, Gutiérrez A, del Río JC, Pereira H Lignin Composition and Structure Differs between Xylem, Phloem and Phellem in Quercus suber L.
Front. Plant Sci., 7: 1612
[ 2016 ]
Lucas F, Babot ED, Cañellas M, del Río JC, Kalum L, Ullrich R, Hofrichter M, Guallar V, Martínez AT, Gutiérrez A Molecular determinants for selective C25-hydroxylation of vitamins D2 and D3 by fungal peroxygenases
Catal. Sci. Technol., 6: 288-295
[ 2016 ]
Martínez AT How to break down crystalline cellulose
Science, 352: 1050-1051
year2016
Extracellular electron transfer systems fuel cellulose oxidative degradation
Kracher D, Scheiblbrandner S, Felice AKG, Breslmayr E, Preims M, Ludwicka K, Haltrich D, Eijsink VG, Ludwig R
Science, 352: 1098-1101
Ninety percent of lignocellulose-degrading fungi contain genes encoding lytic polysaccharide monooxygenases (LPMOs). These enzymes catalyze the initial oxidative cleavage of recalcitrant polysaccharides after activation by an electron donor. Understanding the source of electrons is fundamental to fungal physiology and will also help exploit LPMOs for biomass processing. Using genome data and biochemical methods, we characterized and compared different extracellular electron sources for LPMO: cellobiose dehydrogenase, phenols procured from plant biomass or produced by fungi, and GMC oxidoreductases that regenerate LPMO-reducing diphenols. These data demonstrate that all three electron transfer systems are functional and that their relative importance during cellulose degradation depends on fungal lifestyle. The availability of extracellular electron donors is obligatory to activate fungal oxidative attack on polysaccharides.
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[ 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
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