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Biodegradation and Decolorization of Acid Red by Acinetobacter radioresistens | OMICS International | Abstract
ISSN: 2155-6199

Journal of Bioremediation & Biodegradation
Open Access

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Research Article

Biodegradation and Decolorization of Acid Red by Acinetobacter radioresistens

Mohandass Ramya *, Iyappan S, Manju A and Jiffe John S
Department of Genetic Engineering, School of Bioengineering, SRM University, Kattankulathur 603203, India
Corresponding Author : Ramya Mohandass
Department of Genetic engineering
School of Bioengineering
SRM University
Kattankulathur 603203, India
E-mail: [email protected]
Received August 12, 2010; Accepted September 28, 2010; Published October 02, 2010
Citation: Ramya M, Iyappan S,ManjuA, Jiffe JS (2010) Biodegradation and Decolorization of Acid Red by Acinetobacter radioresistens. J Bioremed Biodegrad 1:105. doi: 10.4172/2155-6199.1000105
Copyright: © 2010 Ramya M, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

Acid red decolorizing bacteria was isolated and identified as Acinetobacter radioresistens.The effect of operation parameters such as medium composition, pH, temperature, dye concentration on the decolorization of acid red was studied and the products of degradation were analyzed and confirmed using LC–MS analysis. The reductive cleavage of azo bond was catalyzed by azoreductase, the key enzyme for the azo dye degradation. The catalytic reduction of acid red 37 by purified azoreductase in the presence of NADH as electron donor was studied and the products of degradation were determined as 1-{3-amino-5-[(aminoxy)sulfonyl]phenyl}ethanol and 7,8-diamino-3[(aminoxy)sulfonyl]naphthalene-1-ol.

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