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(Reference retrieved automatically from SciELO through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Use of additives in the wood biodegradation by the fungus Ceriporiopsis subvermispora: effect in the manganese peroxidase-dependent lipid peroxidation

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Author(s):
André Aguiar [1] ; André Ferraz [2]
Total Authors: 2
Affiliation:
[1] Universidade Federal de São João Del-Rei. Departamento de Química, Biotecnologia e Engenharia de Bioprocessos - Brasil
[2] Universidade de São Paulo. Escola de Engenharia de Lorena. Departamento de Biotecnologia - Brasil
Total Affiliations: 2
Document type: Journal article
Source: Química Nova; v. 35, n. 6, p. 1107-1111, 2012-00-00.
Abstract

Ceriporiopsis subvermispora is a selective fungus in the wood delignification and the most promising in biopulping. Through the lipid peroxidation initiated by manganese peroxidase (MnP), free radicals can be generated, which can act in the degradation of lignin nonphenolic structures. This work evaluated the prooxidant activity (based in lipid peroxidation) of enzymatic extracts from wood biodegradation by this fungus in cultures containing exogenous calcium, oxalic acid or soybean oil. It was observed that MnP significant activity is required to promote lipid peroxidation and wood delignification. Positive correlation between prooxidant activity x MnP was observed up to 300 IU kg-1 of wood. (AU)

FAPESP's process: 03/04465-6 - Importance of the low molecular mass mediators in the wood biodegradation by Ceriporiopsis subvermispora
Grantee:André Aguiar Mendes
Support Opportunities: Scholarships in Brazil - Doctorate (Direct)