Journal
BIORESOURCE TECHNOLOGY
Volume 99, Issue 18, Pages 8999-9003Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2008.04.073
Keywords
Acid Orange 10; Bacillus fusiformis; Biodegradation; Disperse Blue 79
Funding
- University Grants Commission (UGC)
- Department of Science and Technology (DST), New Delhi
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The release of azo dyes into the environment is a concern due to coloration of natural waters and due to the toxicity, mutagenicity and carcinogenicity of the dyes and their biotransformation products. The dye degrading bacterial strain KMK 5 was isolated from the textile dyes contaminated soil of Ichalkaranji, Maharashtra, India. It was identified as Bacillus fusiformis based on the biochemical and morphological characterization as well as 16S rDNA sequencing. KMK 5 could tolerate and degrade azo dyes, Disperse Blue 79 (DB79) and Acid Orange 10 (AO10) under anoxic conditions. Complete mineralization of DB79 and AO10 at the concentration of 1.5 g/l was observed within 48 h. This degradation potential increased the applicability of this microorganism for the dye removal. (C) 2008 Elsevier Ltd. All rights reserved.
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