NDLI: Decolorization and detoxification of sulfonated azo dye C.I. Remazol Red and textile effluent by isolated Lysinibacillus sp. RGS.

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Decolorization and detoxification of sulfonated azo dye C.I. Remazol Red and textile effluent by isolated Lysinibacillus sp. RGS.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Saratale, Rijuta G. Gandhi, Soniya S. Purankar, Madhavi V. Kurade, Mayur B. Govindwar, Sanjay P. Oh, Sang Eun Saratale, Ganesh D.
Description	Country affiliation: India Author Affiliation: Saratale RG ( Department of Biotechnology, Shivaji University, Kolhapur 416004, Maharashtra, India. gdsaratale28@gmail.com)
Abstract	A novel bacterium was isolated from the soil of Ichalkaranji textile industrial area. Through 16S rRNA sequence matching and morphological observation it was identified as Lysinibacillus sp. RGS. This strain has ability to decolorize various industrial dyes among which, it showed complete decolorization and degradation of toxic sulfonated azo dye C.I. Remazol Red (at 30°C, pH 7.0, under static condition) with higher chemical oxygen demand (COD) reduction (92%) within 6 h of incubation. Various parameters like agitation, pH, temperature and initial dye concentrations were optimized to develop faster decolorization process. The supplementation of cheap co-substrates (e.g., extracts of agricultural wastes) could enhance the decolorization performance of Lysinibacillus sp. RGS. Induction in oxidoreductive enzymes presumably indicates involvement of these enzymes in the decolorization/degradation process. Analytical studies of the extracted metabolites confirmed the significant degradation of Remazol Red into various metabolites. The phytotoxicity assay (with respect to plants Phaseolus mungo and Sorghum vulgare) revealed that the degradation of Remazol Red produced nontoxic metabolites. Finally Lysinibacillus sp. RGS was applied to decolorize mixture of dyes and actual industrial effluent showing 87% and 72% decolorization (in terms of decrease in ADMI value) with 69% and 62% COD reduction within 48 h and 96 h, respectively. The foregoing result increases the applicability of the strain for the treatment of industrial wastewaters containing dye pollutants.
File Format	HTM / HTML
ISSN	13891723
Issue Number	6
Volume Number	115
e-ISSN	13474421
Journal	Journal of Bioscience and Bioengineering
Language	English
Publisher	Elsevier
Publisher Date	2013-06-01
Publisher Place	Japan
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Biomedical Engineering Discipline Microbiology Bacillaceae Enzymology Coloring Agents Metabolism Industrial Waste Naphthalenesulfonates Textiles Triazines Waste Water Water Pollutants, Chemical Growth & Development Isolation & Purification Base Sequence Biodegradation, Environmental Biological Oxygen Demand Analysis Chemistry Toxicity Molecular Sequence Data Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Bioengineering Applied Microbiology and Biotechnology Biotechnology

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Decolorization and detoxification of sulfonated azo dye C.I. Remazol Red and textile effluent by isolated Lysinibacillus sp. RGS.

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Decolorization and detoxification of sulfonated azo dye C.I. Remazol Red and textile effluent by isolated Lysinibacillus sp. RGS.