Uso de aditivos na biodegradação de madeira pelo fungo Ceriporiopsis subvermispora: efeito na peroxidação de lipídios dependente de manganês-peroxidase
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 eva...
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Sociedade Brasileira de Química
2012-01-01
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doaj-dd1477723a5046a3ab8ae93ce088ff192020-11-25T00:51:35ZengSociedade Brasileira de QuímicaQuímica Nova1678-70642012-01-013561107111110.1590/S0100-40422012000600007S0100-40422012000600007Uso de aditivos na biodegradação de madeira pelo fungo Ceriporiopsis subvermispora: efeito na peroxidação de lipídios dependente de manganês-peroxidaseAndré Aguiar0André Ferraz1Universidade Federal de São João del-ReiUniversidade de São PauloCeriporiopsis 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.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422012000600007&lng=en&tlng=enwood biodegradationmanganese peroxidaselipid peroxidation |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
André Aguiar André Ferraz |
spellingShingle |
André Aguiar André Ferraz Uso de aditivos na biodegradação de madeira pelo fungo Ceriporiopsis subvermispora: efeito na peroxidação de lipídios dependente de manganês-peroxidase Química Nova wood biodegradation manganese peroxidase lipid peroxidation |
author_facet |
André Aguiar André Ferraz |
author_sort |
André Aguiar |
title |
Uso de aditivos na biodegradação de madeira pelo fungo Ceriporiopsis subvermispora: efeito na peroxidação de lipídios dependente de manganês-peroxidase |
title_short |
Uso de aditivos na biodegradação de madeira pelo fungo Ceriporiopsis subvermispora: efeito na peroxidação de lipídios dependente de manganês-peroxidase |
title_full |
Uso de aditivos na biodegradação de madeira pelo fungo Ceriporiopsis subvermispora: efeito na peroxidação de lipídios dependente de manganês-peroxidase |
title_fullStr |
Uso de aditivos na biodegradação de madeira pelo fungo Ceriporiopsis subvermispora: efeito na peroxidação de lipídios dependente de manganês-peroxidase |
title_full_unstemmed |
Uso de aditivos na biodegradação de madeira pelo fungo Ceriporiopsis subvermispora: efeito na peroxidação de lipídios dependente de manganês-peroxidase |
title_sort |
uso de aditivos na biodegradação de madeira pelo fungo ceriporiopsis subvermispora: efeito na peroxidação de lipídios dependente de manganês-peroxidase |
publisher |
Sociedade Brasileira de Química |
series |
Química Nova |
issn |
1678-7064 |
publishDate |
2012-01-01 |
description |
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. |
topic |
wood biodegradation manganese peroxidase lipid peroxidation |
url |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422012000600007&lng=en&tlng=en |
work_keys_str_mv |
AT andreaguiar usodeaditivosnabiodegradacaodemadeirapelofungoceriporiopsissubvermisporaefeitonaperoxidacaodelipidiosdependentedemanganesperoxidase AT andreferraz usodeaditivosnabiodegradacaodemadeirapelofungoceriporiopsissubvermisporaefeitonaperoxidacaodelipidiosdependentedemanganesperoxidase |
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