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Appl. Environ. Microbiol., Mar 1996, 1070-1072, Vol 62, No. 3
Copyright © 1996, American Society for Microbiology

Manganese-Mediated Lignin Degradation by Pleurotus pulmonarius

S Camarero, B Bockle, MJ Martinez and AT Martinez
Centro de Investigaciones Biologicas, Consejo Superior de Investigaciones Cientificas, E-28006 Madrid, Spain

Pleurotus pulmonarius produced the strongest degradation of lignin during solid-state fermentation of [(sup14)C]lignin wheat straw with different fungi. A manganese-oxidizing peroxidase seemed to be involved in lignin attack, since the addition of Mn(sup2+) to the culture increased lignin mineralization by ca. 125%. This enzyme was purified and characterized from both solid-state fermentation and liquid cultures.


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