Enzymatic decolorization of sulfonphthalein dyes

Shrivastava, R.; Christian, V.; Vyas, B. R. M.

doi:10.1016/j.enzmictec.2004.09.004

Cited by 56 publications

(28 citation statements)

References 23 publications

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“…Versatile peroxidase (VP) is a heme containing structural hybrid between MnPs and LiPs, since they can oxidize not only Mn 2+ but can also oxidize veratryl alcohol, phenolic and nonphenolic and highmolecular weight aromatic compounds including dyes in manganese-independent reactions (Kamitsuji et al 2004;Pogni et al 2005;Shrivastava et al 2005). VPs have been described in species of Pleurotus and Bjerkandera (Mester and Field 1998;Kamitsuji et al 2005a, b;Pogni et al 2005;Honda et al 2006;Rodakiewicz-Nowak et al 2006).…”

Section: Enzyme System Of White Rot Fungimentioning

confidence: 95%

“…Immobilization of LiP has been found to enhance its pH and temperature optima as well as thermostability and catalytic properties (Asgher et al 2007). The natural fungal secondary metabolites veratryl alcohol (VA) and 2-chloro-1,4-dimethoxybenzene act as redox mediators to stimulate the LiP catalyzed oxidation of a wide range of recalcitrant substrates (Teunissen and Field 1998;Christian et al 2005). Oxidation of VA by YK-LiP2 from P. chrysosporium and other LiPs reveal ordered bi-bi ping-pong mechanisms rather than peroxidase bi-bi ping-pong kinetics shown by Pc-LiP (Liu et al 2003;Hirai et al 2005).…”

Section: Enzyme System Of White Rot Fungimentioning

confidence: 97%

“…Lignin peroxidases (LiPs) are capable of mineralizing a variety of recalcitrant aromatic compounds (Shrivastava et al 2005). The molecular mass of LiPs from different WRF strains varies from 37 to 50 kDa (Asgher et al 2006;Hirai et al 2005).…”

Section: Enzyme System Of White Rot Fungimentioning

confidence: 99%

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Recent developments in biodegradation of industrial pollutants by white rot fungi and their enzyme system

et al. 2008

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Increasing discharge and improper management of liquid and solid industrial wastes have created a great concern among industrialists and the scientific community over their economic treatment and safe disposal. White rot fungi (WRF) are versatile and robust organisms having enormous potential for oxidative bioremediation of a variety of toxic chemical pollutants due to high tolerance to toxic substances in the environment. WRF are capable of mineralizing a wide variety of toxic xenobiotics due to non-specific nature of their extracellular lignin mineralizing enzymes (LMEs). In recent years, a lot of work has been done on the development and optimization of bioremediation processes using WRF, with emphasis on the study of their enzyme systems involved in biodegradation of industrial pollutants. Many new strains have been identified and their LMEs isolated, purified and characterized. In this review, we have tried to cover the latest developments on enzyme systems of WRF, their low molecular mass mediators and their potential use for bioremediation of industrial pollutants.

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Section: Enzyme System Of White Rot Fungimentioning

confidence: 95%

Section: Enzyme System Of White Rot Fungimentioning

confidence: 97%

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Recent developments in biodegradation of industrial pollutants by white rot fungi and their enzyme system

et al. 2008

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“…All these facts make them very suitable as raw materials for the production of secondary metabolites of industrial significance by microorganisms [19]. Laccase produced from SSF system using agro-wastes has been proved as an effective synthetic dye decolorizer [20,21].…”

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confidence: 99%

Production of laccase from Pleurotus florida using agro‐wastes and efficient decolorization of Reactive blue 198

Sathishkumar

Murugesan

Palvannan

2010

J. Basic Microbiol.

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Pleurotus florida NCIM 1243 produced laccase as the dominant lignolytic enzyme during the dye decolorization. Banana peel was the best substrate for extracellular laccase production under solid state fermentation when compared to mandarin peel and cantaloupe peel. The maximum activity of laccase (5.4 U/g) was detected on the 10 day. The ratio of banana peel: mandarin peel: cantaloupe peel (5:2:3) showed increased production of laccase (6.8 U/g). P. florida produced two extracellular laccase isoenzymes (L1 and L2). The half life of laccase at 60 degrees C was 2 h and at 4 h it retained 25% residual activity. P. florida laccase showed high thermostability and an interesting difference was noticed in the behavior of laccase isoenzymes at different temperature. The L1 isoenzyme of laccase showed remarked thermostability at 60 degrees C in the native PAGE when compared to L2 isoenzyme. The optimum pH, temperature and enzyme concentration for maximum decolorization was found to be 4.5, 60 degrees C and 1.2 U/ml, respectively. Partially purified laccase enzyme showed excellent decolorization activity to Reactive blue 198. The maximum decolorization (96%) was observed at lower dye concentrations (50-100 ppm) which decreased markedly when the dye concentration was increased beyond 150 ppm. The thermostable laccase of P. florida could be effectively used to decolorize the synthetic dyes in the textile effluent and other biotechnological applications.

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“…Fungal bioreactors for dye decolorization have been developed [18]; however, the fungi are not used in wastewater treatment because it is difficult to maintain high enzyme activity. In recent years, enzymatic methods have become increasingly important in the decolorization of dye, as enzymes catalyze a reaction over a broad concentration range and require a low retention time of the substrate [19][20][21][22]. Laccase is among the ligninolytic enzymes produced by white-rot fungi and is a copper-containing oxidase that catalyzes the oxidation of a wide range of aromatic compounds [23].…”

Section: Introductionmentioning

confidence: 99%

Membrane Type Wastewater Decolorization Using Culture Supernatant of <i>Trametes versicolor</i>

Katagiri

Takatsu

Kitahata

et al. 2018

J. of Wat. & Envir. Tech.

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A novel enzymatic membrane bioreactor system using the non-purified culture supernatant of whiterot fungus Trametes versicolor was developed to perform decolorization of dye wastewater. The culture supernatant was periodically obtained from fungal cultures cultivated in cost-effective natural medium, which uses blackstrap molasses typically present in food waste, by gravitational sedimentation. The model dye wastewater containing an anthraquinone type dye and the supernatant exhibiting dye decolorization activity were mixed in a continuous stirred tank membrane reactor with an ultrafiltration membrane that permitted enzyme recycling in the reactor. The results obtained from the enzymatic membrane bioreactor showed that approximately 80% of decolorization and approximately constant permeation resistance were maintained for a few days of continuous treatment. Furthermore, decolorization behaviors were well described using a combined equation based on mass balance for continuous stirred tank membrane reactor and kinetics of enzymatic decolorization of the dye.

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Enzymatic decolorization of sulfonphthalein dyes

Cited by 56 publications

References 23 publications

Recent developments in biodegradation of industrial pollutants by white rot fungi and their enzyme system

Recent developments in biodegradation of industrial pollutants by white rot fungi and their enzyme system

Production of laccase from Pleurotus florida using agro‐wastes and efficient decolorization of Reactive blue 198

Membrane Type Wastewater Decolorization Using Culture Supernatant of <i>Trametes versicolor</i>

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