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Comparison of Alkali-Tolerant Fungus Myrothecium Sp. IMER1 and White-Rot Fungi for Decolorization of Textile Dyes and Dye Effluents | OMICS International | Abstract
ISSN: 2155-6199

Journal of Bioremediation & Biodegradation
Open Access

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Research Article

Comparison of Alkali-Tolerant Fungus Myrothecium Sp. IMER1 and White-Rot Fungi for Decolorization of Textile Dyes and Dye Effluents

Juan Huang1, Yun Fu2 and Youxun Liu2*
1School of Basic Medical Sciences, Xinxiang Medical University, Jinsui Avenue, Xinxiang, Henan, China
2School of Life Science and Technology, Xinxiang Medical University, Jinsui Avenue, Xinxiang, Henan, China
Corresponding Author : Youxun Liu
The Laboratory of biochemistry
School of Basic Medical Sciences
Xinxiang Medical University
Jinsui Avenue, Xinxiang, Henan, China
Tel: 86-373-3029127
Fax: 86-373-3831739
E-mail: [email protected]
Received April 01, 2014; Accepted April 24, 2014; Published April 30, 2014
Citation: Huang J, Fu Y, Liu Y (2014) Comparison of Alkali-Tolerant Fungus Myrothecium Sp. IMER1 and White-Rot Fungi for Decolorization of Textile Dyes and Dye Effluents. J Bioremed Biodeg 5:221. doi:10.4172/2155-6199.1000221
Copyright: © 2014 Huang J, 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

A new isolated nonligninolytic fungus, strain Myrotheciumsp. IMER1, was found to decolorize five different synthetic dyes when grown on dye-containing agar plates. The capability of Myrothecium sp. IMER1 for decolorization of Remazol Brilliant Blue R (RBBR) and dye effluents was compared with that of five white-rot fungi. More than 65% RBBR removal by Myrotheciumsp. IMER1was observed at various pHs (5-10). About 60-95% of decolorization was observed with these white-rot fungi in the acidic pH range of 5.0-6.0, whereas color removal rate was less than 30% in the basic pH range of 8.0-10.0. Myrothecium sp. IMER1 had a more efficient decolorization of the dye in a broad pH range than white-rot fungi tested. In comparison with color removal performance, Myrotheciumsp. IMER1 was approximately 2-5-fold better than white-rot fungi tested in the basic pH range. Additionally, the visual observation and Ultraviolet-Visible (UV-VIS) spectral analysis demonstrated that decolorization of dye by Myrothecium sp. IMER1 was due to biodegradation and biosorption. Biomass production was not affected by changes in the pH range of 7-10, indicated that Myrothecium sp. IMER1 is alkali-tolerant fungus. Decolorization of dye effluents by Myrothecium sp. IMER1 at pH 7 and 9 was 73 and 70%, respectively, while less than 25% of decolorization was observed in the case of white-rot fungi tested. Our results showed that Myrothecium sp. IMER1 exhibited efficient decolorization of dye effluents comparedtowhite-rot fungi, indicatingthat the alkali-tolerant strain Myrothecium sp. IMER1 will be potential candidates for wastewater treatment of dye effluents, especially alkaline dye effluents.

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