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The microbial degradation of azo dyes: minireview

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Abstract

The removal of dyes in wastewater treatment plants still involves physical or chemical processes. Yet numerous studies currently exist on degradation based on the use of microbes—which is a well-studied field. However progress in the use of biological methods to deal with this environmentally noxious waste is currently lacking. This review focuses on the largest dye class, that is azo dyes and their biodegradation. We summarize the bacteria identified thus far which have been implicated in dye decolorization and discuss the enzymes involved and mechanisms by which these colorants are broken down.

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  1. Department of Genetics, University of Witwatersrand, P.O. Box 1038, Johannesburg, Braamfontein, South Africa

    M. D. Chengalroyen & E. R. Dabbs

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  1. M. D. Chengalroyen
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Chengalroyen, M.D., Dabbs, E.R. The microbial degradation of azo dyes: minireview. World J Microbiol Biotechnol 29, 389–399 (2013). https://doi.org/10.1007/s11274-012-1198-8

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