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Evaluation of two wild types of Pleurotus ostreatus (MCC07 and MCC20) isolated from nature for their ability to decolorize Benazol Black ZN textile dye in comparison to some commercial types of white rot fungi: Pleurotus ostreatus, Pleurotus djamor, and Pleurotus citrinopileatus

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Biological decolorization of Benazol Black ZN, a reactive azo-type textile dyestuff, was comparatively studied using 3 different commercial-type white rot fungi strains (Pleurotus ostreatus, Pleurotus cornucopiae var. citrinopileatus, Pleurotus djamor, and 2 wild types of P. ostreatus (MCC07 and MCC20) isolated from the nature. The initial dye concentrations in the medium were 500 and 1000 mg·L-1. All the organisms studied decolorized Benazol Black ZN to varying degrees. At low dye concentration, both commercial and wild type of P. ostreatus resulted in the best decolorization, conversely, wild-type P. ostreatus (MCC07) was found to be much more robust against increasing dye concentration and provided the best decolorization efficiency at high dye concentration.

La décoloration biologique de Benazol Black ZN, un colorant textile de type azo réactif, a été étudiée de façon comparative avec trois souches fongiques de pourriture blanche commerciales (Pleurotus ostreatus, Pleurotus cornucopiae var. citrinopileatus, Pleurotus djamor) et deux types sauvages de P. ostreatus (MCC07 et MCC20) isolées dans la nature. Les concentrations initiales de colorant dans le milieu étaient de 500 et 1000 mg·L-1, respectivement. Tous les organismes étudiés ont décoloré le Benazol Black ZN à différents degrés. À de faibles concentrations de colorant, les souches sauvages et commerciales de P. ostreatus produisaient la meilleure décoloration, alors que la souche sauvage de P. ostreatus MCC07 était la plus efficace vis-à-vis des concentrations croissantes de colorant et présentait la meilleure décoloration à forte concentration de colorant.

Document Type: Research Article

Publication date: 2008-05-01

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  • Published since 1954, this monthly journal contains new research in the field of microbiology including applied microbiology and biotechnology; microbial structure and function; fungi and other eucaryotic protists; infection and immunity; microbial ecology; physiology, metabolism and enzymology; and virology, genetics, and molecular biology. It also publishes review articles and notes on an occasional basis, contributed by recognized scientists worldwide.
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