Effect of carbon and nitrogen sources on biodegradation of textile azo dye Reactive Violet 5 by Pseudomonas aeruginosa GSM3
Journal Title: Scholars Academic Journal of Biosciences - Year 2014, Vol 2, Issue 4
Abstract
Abstract: The aim of this work is to study the effect of various carbon and nitrogen sources on decolorization of Reactive Violet 5 by bacterial strain GSM3which was isolated from dye contaminated soil sample. This potential strain has ability to decolorize Reactive Violet 5 completely within 52 h using dye as a sole source of carbon under static condition at 37oC. The MSM supplied with various carbon and nitrogen sources, which may increase decolorization rate by enhancing the growth of dye degrading bacteria. Among all carbon and nitrogen sources, glucose and yeast extract were found to be the best carbon and nitrogen source in our study. In the presence of glucose (1 g/l) and yeast extract (1 g/l), organism had the ability to decolorize Reactive Violet 5 completely within 24 h and 16 h respectively by enhancing the growth rate of dye degrading bacteria. There is significant reduction in time required for complete decolorization of Reactive Violet 5 in the presence of co-substrates which indicates its commercial application in the treatment of textile industry effluents containing textile azo dyes. Keywords: Carbon sources, Nitrogen sources, Biodegradation, Decolorization, Pseudomonas aeruginosa GSM3, Reactive Violet 5, Textile azo dye
Authors and Affiliations
Mallikarjun C. Bheemaraddi, Channappa T. Shivannavar, Subhashchandra M. Gaddad
Keywords
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