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Decolorization of synthetic dyes by white rot fungi, involving laccase enzyme in the process

Paper ID Volume ID Publish Year Pages File Format Full-Text
35804 45107 2007 7 PDF Available
Title
Decolorization of synthetic dyes by white rot fungi, involving laccase enzyme in the process
Abstract

In this study, decolorization of Remazol Brillant Blue Royal (RBBR) and Drimaren Blue CL-BR (DB) was investigated using three white rot fungi named as Pleurotus ostreatus (P. ostreatus), Coriolus versicolor (C. versicolor) and Funalia trogii (F. trogii). Decolorization studies were continued for 48 h under static conditions at 30 °C and pH 5.0. The degree of pH, dry mycelium weight (DMW), dye concentration, laccase activity and protein content were analyzed; the enzyme responsible for decolorization was detected for both dyes. Maximum and minimum decolorizations were obtained by F. trogii and P. ostreatus, respectively. Both dyes at all concentrations were found to be toxic for P. ostreatus growth, whereas only DB above 60 mg/L was found to be toxic for C. versicolor growth. Maximum and minimum laccase activities were detected in decolorization media of F. trogii and P. ostreatus, respectively. Results of activity staining following SDS-PAGE showed that laccase is the only enzyme that is responsible for decolorization of DB and RBBR.

Keywords
White rot fungi; Remazol Brillant Blue R; Drimaren Blue CL-BR; Decolorization; Laccase
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Decolorization of synthetic dyes by white rot fungi, involving laccase enzyme in the process
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 42, Issue 10, October 2007, Pages 1429–1435
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us