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KMID : 0379120120400020098
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Korean Journal of Mycology
2012 Volume.40 No. 2 p.98 ~ p.103
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Decolorization of Synthetic Dyes and Ligninolytic Enzymes Production by White Rot Fungi
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Gu Bon-Joon
Kim Min-Sik
Kim Yin-Man
Kim Seon-Woong
Choi Won-Hyeok
Lee Mi-Hwa
Cho Hae-Jin
Lee Tea-Soo
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Abstract
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This study has been conducted to screen the decolorization of 4 aromatic synthetic dyes and production of ligninolytic enzymes by 4 white rot fungi such as Bjerkanderia adusta, Cerrena unicolor, Pleurotus pulmonarius and Abortiporus biennis. It was found that B. adusta, C. unicolor, and P. pulmonarius have the ability to efficiently decolorize congo red and moderately decolorized amaranth and orange G in solid and liquid culture media. However, the decolorization rate of 4 synthetic dyes by A. biennis was relatively low. The decolorization of congo red, amaranth, orange G were related to the growth rate of the fungal mycelia in the solid medium. But, the all fungi tested did not efficiently decolorize methylene blue in the liquid culture media. To investigate the production of ligninolytic enzymes in media containing aromatic compounds, fungi were cultured in 1% naphthalene supplemented potato dextrose broth medium. All fungi tested had the capability to produce laccase, lignin peroxidase and manganese peroxidase, and B. adusta was the best ligninolytic enzymes producing white rot fungus among other fungi tested.
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KEYWORD
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Decolorization, Ligninolytic enzyme, Synthetic dye, White rot fungi
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