production of phenol-oxidases and peroxidases by fungi isolated from irrigated rice produção de fenol-oxidases e peroxidases por fungos isolados da cultura de arroz irrigado

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ID: 155158
2003
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Abstract
The aim of this work was to study the potential of fungus strains considered as prospective degraders for the herbicides quinclorac and propanil, for ligninolytic enzyme production. Eight fungal strains were grown in King's B liquid culture medium supplemented with 0.05% Remazol Brilliant Blue R (RBBR) and in liquid culture medium containing wheat bran as substrate. The enzymatic system assessment were: lignin peroxidase, manganese peroxidase and laccases. Results indicated differential patterns of ligninolytic enzyme production; the highest enzymatic activities were related to the production of lignin peroxidase. Among the strains, two (P3SA1F and P11SA2F) showed RBBR discoloration, suggesting the possibility of their application in bioremediation studies.
A proposta deste trabalho foi estudar o potencial das linhagens fúngicas, consideradas potenciais degradadoras dos herbicidas quinclorac e propanil, para produção de enzimas ligninolíticas. Oito linhagens fúngicas foram cultivadas em meio de cultura líquido King's B suplementado com 0,05% de Remazol Brilliant Blue R (RBBR) e em meio de cultura líquido contendo farelo de trigo como substrato. Os sistemas enzimáticos avaliados foram: lignina peroxidase, manganês peroxidase e lacases. Os resultados demonstraram padrões diferenciados quanto à produção de enzimas ligninolíticas entre as linhagens, sendo que as maiores atividades enzimáticas estiveram relacionadas à produção de lignina peroxidase. Das oito linhagens, duas (P3SA1F e P11SA2F) apresentaram descoloração do RBBR, sugerindo a possibilidade de sua aplicabilicação em estudos de biorremediação
Reference Key
silva2003brazilianproduction Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Célia Maria Maganhotto de Souza Silva, Itamar Soares de Melo, Rosana Faria Vieira
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Journal ieee software
Year 2003
DOI
10.1590/S1517-83822003000500018
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822003000500018
Keywords
remazol brilliant blue rmicrobiology

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