Optimization of medium for decolorization of Solar golden yellow R direct textile dye by Schizophyllum commune IBL-06

Asgher, Muhammad; Kausar, Shahnaz; Bhatti, Haq Nawaz; Shah, Syed Agha Hassan; Ali, Muhammad

doi:10.1016/j.ibiod.2007.07.009

Cited by 63 publications

(24 citation statements)

References 16 publications

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“…On the other hand, manganese peroxidases are involved in direct wastewater model decolourization by P. chrysosporium, and the different profiles of LMEs produced by the fungi can explain their different decolorization specificities. It's worth noting the ability of P. chrysosporium to decolourize the direct wastewater that is characterized by a high (9) pH value, whilst for majority of the fungi the optimum pH for dye decolourization lies in the acidic range (Asgher et al 2008;Kapdan et al 2000;Parshetti et al 2007). However, such low pHs are not suitable for the wastewater treatment and hence, fungal strains able to decolourize dyes efficiently at wider pH ranges are desirable for industrial applications.…”

Section: Discussionmentioning

confidence: 99%

Bio-remediation of colored industrial wastewaters by the white-rot fungi Phanerochaete chrysosporium and Pleurotus ostreatus and their enzymes

et al. 2008

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The effect of Phanerochaete chrysosporium and Pleurotus ostreatus whole cells and their ligninolytic enzymes on models of colored industrial wastewaters was evaluated. Models of acid, direct and reactive dye wastewaters from textile industry have been defined on the basis of discharged amounts, economic relevance and representativeness of chemical structures of the contained dyes. Phanerochaete chrysosporium provided an effective decolourization of direct dye wastewater model, reaching about 45% decolourization in only 1 day of treatment, and about 90% decolourization within 7 days, whilst P. ostreatus was able to decolorize and detoxify acid dye wastewater model providing 40% decolourization in only 1 day, and 60% in 7 days. P. ostreatus growth conditions that induce laccase production (up to 130,000 U/l) were identified, and extra-cellular enzyme mixtures, with known laccase isoenzyme composition, were produced and used in wastewater models decolourization. The mixtures decolorized and detoxified the acid dye wastewater model, suggesting laccases as the main agents of wastewater decolourization by P. ostreatus. A laccase mixture was immobilized by entrapment in Cu-alginate beads, and the immobilized enzymes were shown to be effective in batch decolourization, even after 15 stepwise additions of dye for a total exposure of about 1 month.

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Section: Discussionmentioning

confidence: 99%

Bio-remediation of colored industrial wastewaters by the white-rot fungi Phanerochaete chrysosporium and Pleurotus ostreatus and their enzymes

et al. 2008

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“…However, the rest of the strains showed poor decolourization potential. In addition, S. commune IBL-06 and G. lucidum IBL-05 were able to degrade Solar Golden Yellow R [197], Solar Orange RSN [198], and Cibacron Red FN-2BL [199].…”

Section: Industrial Dyesmentioning

confidence: 99%

Pollutants Biodegradation by Fungi

Pinedo-Rivilla

Aleu²,

Collado

2009

COC

126

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Abstract:One of the major problems facing the industrialized world today is the contamination of soils, ground water, sediments, surfacewater and air with hazardous and toxic chemicals. The application of microorganisms which degrade or transform hazardous organic contaminants to less toxic compounds has become increasingly popular in recent years. This review, with approximately 300 references covering the period [2005][2006][2007][2008], describes the use of fungi as a method of bioremediation to clean up environmental pollutants.

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“…There was a breakthrough in the field of lignin biodegradation in 1983 when fungal ligninases and their hydrogen peroxide requirement were described by Tien and Kirk (1983). Since that time, biodegradation of lignin by white rot fungi and their lignolytic enzymes have been widely studied (Hatakka 2001;Pointing 2001;Baborová et al 2006;Baldrian et al 2005;Asgher et al 2008). Most lignin research on bioconversion and biodegradation has been on wood-rot fungi, particularly white-rot fungi, and not on other lignolytic organisms.…”

Section: Introductionmentioning

confidence: 99%

Isolation and characterization of a fungus Aspergillus sp. strain F-3 capable of degrading alkali lignin

et al. 2011

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A fungus strain F-3 was selected from fungal strains isolated from forest soil in Dalian of China. It was identified as one Aspergillus sp. stain F-3 with its morphologic, cultural characteristics and high homology to the genus of rDNA sequence. The budges or thickened node-like structures are peculiar structures of hyphae of the strain. The fungus degraded 65% of alkali lignin (2,000 mg l(-1)) after day 8 of incubation at 30°C at pH 7. The removal of colority was up to 100% at 8 days. The biodegradation of lignin by Aspergillus sp. F-3 favored initial pH 7.0. Excess acid or alkali conditions were not propitious to lignin decomposing. Addition of ammonium L: -tartrate or glucose delayed or repressed biodegradation activities. During lignin degradation, manganese peroxidase (28.2 U l(-1)) and laccase (3.5 U l(-1))activities were detected after day 7 of incubation. GC-MS analysis of biodegraded products showed strain F-3 could convert alkali lignin into small molecules or other utilizable products. Strain F-3 may co-culture with white rot fungus and decompose alkali lignin effectively.

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Optimization of medium for decolorization of Solar golden yellow R direct textile dye by Schizophyllum commune IBL-06

Cited by 63 publications

References 16 publications

Bio-remediation of colored industrial wastewaters by the white-rot fungi Phanerochaete chrysosporium and Pleurotus ostreatus and their enzymes

Bio-remediation of colored industrial wastewaters by the white-rot fungi Phanerochaete chrysosporium and Pleurotus ostreatus and their enzymes

Pollutants Biodegradation by Fungi

Isolation and characterization of a fungus Aspergillus sp. strain F-3 capable of degrading alkali lignin

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