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dc.contributor.authorKluge, Martín-
dc.contributor.authorUllrich, René-
dc.contributor.authorDolge, Christoph-
dc.contributor.authorScheibner, Katrin-
dc.contributor.authorHofrichter, Martin-
dc.date.accessioned2012-03-07T12:31:44Z-
dc.date.available2012-03-07T12:31:44Z-
dc.date.issued2009-
dc.identifier.citationApplied Microbiology and Biotechnology 81(6): 1071-1076(2009)es_ES
dc.identifier.issn0175-7598-
dc.identifier.urihttp://hdl.handle.net/10261/46712-
dc.description6 páginas, 3 figuras -- PAGS nros. 1071-1076es_ES
dc.description.abstractA-grocybe aegerita peroxidase/peroxygenase (AaP) is an extracellular fungal biocatalyst that selectively hydroxylates the aromatic ring of naphthalene. Under alkaline conditions, the reaction proceeds via the formation of an intermediary product with a molecular mass of 144 and a characteristic UV absorption spectrum (A (max) 210, 267, and 303 nm). The compound was semistable at pH 9 but spontaneously hydrolyzed under acidic conditions (pH <7) into 1-naphthol as major product and traces of 2-naphthol. Based on these findings and literature data, we propose naphthalene 1,2-oxide as the primary product of AaP-catalyzed oxygenation of naphthalene. Using (18)O-labeled hydrogen peroxide, the origin of the oxygen atom transferred to naphthalene was proved to be the peroxide that acts both as oxidant (primary electron acceptor) and oxygen source.es_ES
dc.description.sponsorshipEuropean Union (integrated project BIORENEW), the German Ministry of Education and Research (BMBF, project 0313433D), and the German Environmental Foundation (DBU, project 13225-32).-
dc.language.isoenges_ES
dc.publisherSpringeres_ES
dc.rightsclosedAccesses_ES
dc.subjectPeroxidasees_ES
dc.subjectOxygenationes_ES
dc.subjectHydroxylationes_ES
dc.subjectP450es_ES
dc.subjectNaphtholes_ES
dc.titleHydroxylation of naphthalene by aromatic peroxygenase from Agrocybe aegerita proceeds via oxygen transfer from H(2)O (2) and intermediary epoxidationes_ES
dc.typeartículoes_ES
dc.identifier.doi10.1007/s00253-008-1704-y-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1007/s00253-008-1704-y-
dc.identifier.e-issn1432-0614-
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