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
From Alkanes to Carboxylic Acids: Terminal Oxygenation by a Fungal Peroxygenase
Olmedo A, Aranda C, del Río JC, Kiebist J, Scheibner K, Martínez AT, Gutiérrez A
Angew. Chem. Int. Ed., 55: 12248-12251
A new heme–thiolate peroxidase catalyzes the hydroxylation of n-alkanes at the terminal position—a challenging reaction in organic chemistry—with H2O2 as the only cosubstrate. Besides the primary product, 1-dodecanol, the conversion of dodecane yielded dodecanoic, 12-hydroxydodecanoic, and 1,12-dodecanedioic acids, as identified by GC–MS. Dodecanal could be detected only in trace amounts, and 1,12-dodecanediol was not observed, thus suggesting that dodecanoic acid is the branch point between mono- and diterminal hydroxylation. Simultaneously, oxygenation was observed at other hydrocarbon chain positions (preferentially C2 and C11). Similar results were observed in reactions of tetradecane. The pattern of products formed, together with data on the incorporation of 18O from the cosubstrate H218O2, demonstrate that the enzyme acts as a peroxygenase that is able to catalyze a cascade of mono- and diterminal oxidation reactions of long-chain n-alkanes to give carboxylic acids.
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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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