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 ] Levasseur A, Lomascolo A, Chabrol O, Ruiz-Dueñas FJ, [...] , Martínez AT, [...] , Record E The genome of the white-rot fungus Pycnoporus cinnabarinus: a basidiomycete model with a versatile arsenal for lignocellulosic biomass breakdown BMC Genomics, 15: 486
[ 2014 ] Linde D, Coscolín C, Liers C, Hofrichter M, Martínez AT, Ruiz-Dueñas FJ Heterologous expression and physicochemical characterization of a fungal dye-decolorizing peroxidase from Auricularia auricula-judae Protein Expr. Purif., 103: 28-37
[ 2014 ] Macellaro G, Baratto MC, Piscitelli A, Pezzella C, Fabrizi de Biani F, Palmese A, Piumi F, Record E, Basosi R, Sannia G Effective mutations in a high redox potential laccase from Pleurotus ostreatus Appl. Microbiol. Biotechnol., doi: 10.1007/s00253-013-5491-8
[ 2014 ] Macellaro G, Pezzella C, Cicatiello P, Sannia G, Piscitelli A Fungal Laccases Degradation of Endocrine Disrupting Compounds BioMed Research International, doi: 10.1155/2014/614038
[ 2014 ] Martínez AT, Ruiz-Dueñas FJ, Gutiérrez A, del Río JC, Alcalde M, Liers C, Ullrich R, Hofrichter M, Scheibner K, Kalum L, Vind J, Lund H Search, engineering, and applications of new oxidative biocatalysts Biofuels, Bioprod. Bioref., 8: 819-835
[ 2014 ] Molina-Espeja P, García-Ruiz E, González-Pérez D, Ullrich R, Hofrichter M, Alcalde M Directed evolution of Unspecific Peroxygenase from Agrocybe aegerita Appl. Environ. Microbiol., 80: 3496-3507
year2014
Fungal Laccases Degradation of Endocrine Disrupting Compounds
Macellaro G, Pezzella C, Cicatiello P, Sannia G, Piscitelli A
BioMed Research International, doi: 10.1155/2014/614038

Over the past decades, water pollution by trace organic compounds (ng/L) has become one of the key environmental issues in developed countries. This is the case of the emerging contaminants called endocrine disrupting compounds (EDCs). EDCs are a new class of environmental pollutants able to mimic or antagonize the effects of endogenous hormones, and are recently drawing scientific and public attention. Their widespread presence in the environment solicits the need of their removal from the contaminated sites. One promising approach to face this challenge consists in the use of enzymatic systems able to react with these molecules. Among the possible enzymes, oxidative enzymes are attracting increasing attention because of their versatility, the possibility to produce them on large scale, and to modify their properties. In this study five different EDCs were treated with four different fungal laccases, also in the presence of both synthetic and natural mediators. Mediators significantly increased the efficiency of the enzymatic treatment, promoting the degradation of substrates recalcitrant to laccase oxidation. The laccase showing the best performances was chosen to further investigate its oxidative capabilities against micropollutant mixtures. Improvement of enzyme performances in nonylphenol degradation rate was achieved through immobilization on glass beads.

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