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Trametes versicolor

FIGURE 9.18 Transformation of 3,5-diacetamido-2,4,6-triiodobenzoate by Trametes versicolor. (From Neilson, A.H. and Allard, A.-S., The Handbook of Environmental Chemistry, Vol. 3R, Springer Verlag, 2002, pp. 1-74. With permission.)... [Pg.476]

Rode U, R Muller (1998) Transformation of the ionic X-ray contrast agent Diatrizoate and related triiodinated benzoates by Trametes versicolor. Appl Environ Microbiol 64 3114-3117. [Pg.481]

Figure 17.3 Anatomy of a redox enzyme representation of the X-ray crystallographic structure of Trametes versicolor laccase III (PDB file IKYA) [Bertrand et al., 2002]. The protein is represented in green lines and the Cu atoms are shown as gold spheres. Sugar moieties attached to the surface of the protein are shown in red. A molecule of 2,5-xyhdine that co-crystallized with the protein (shown in stick form in elemental colors) is thought to occupy the broad-specificity hydrophobic binding pocket where organic substrates ate oxidized by the enzyme. Electrons from substrate oxidation are passed to the mononuclear blue Cu center and then to the trinuclear Cu active site where O2 is reduced to H2O. (See color insert.)... Figure 17.3 Anatomy of a redox enzyme representation of the X-ray crystallographic structure of Trametes versicolor laccase III (PDB file IKYA) [Bertrand et al., 2002]. The protein is represented in green lines and the Cu atoms are shown as gold spheres. Sugar moieties attached to the surface of the protein are shown in red. A molecule of 2,5-xyhdine that co-crystallized with the protein (shown in stick form in elemental colors) is thought to occupy the broad-specificity hydrophobic binding pocket where organic substrates ate oxidized by the enzyme. Electrons from substrate oxidation are passed to the mononuclear blue Cu center and then to the trinuclear Cu active site where O2 is reduced to H2O. (See color insert.)...
Piontek K, Antorini M, Choinowski T. 2002. Crystal structure of a laccase from the fungus Trametes versicolor at 1.90 A resolution containing a full complement of coppers. J Biol Chem277 37663-37669. [Pg.634]

Sedarati, M.R., Keshavarz, T., Leontievsky, A.A., and Evans, C.S., Transformation of high concentrations of chlorophenols by the white-rot basidiomycete Trametes versicolor immobilized on nylon mesh. Electronic J. Biotechnol. [online], 6(2), August 15, 2003. [Pg.685]

Keywords Biodegradation, Emerging pollutants, Sewage sludge, Trametes versicolor, White-rot fungi... [Pg.138]

Keywords Biological degradation, Cytochrome P450, Hydroxylation reaction, Polybrominated diphenyl ether, Trametes versicolor... [Pg.242]

Regarding the degradation of PBDEs by white-rot fungi, the first evidence of their ability to degrade a PBDE compound corresponds to a study published by Hundt et al. [27], which studied the degradation of 4-bromo-BDE by Trametes versicolor. The degradation occurs initially by hydroxylation reaction with the possible formation of three different isomers of hydroxy-diphenyl ether followed... [Pg.247]

Co-immobilization of this redox polymer with a fungal laccase from Trametes versicolor, possessing a Tl copper site reduction potential of +0.57 V vs Ag/AgCl ( +0.77 vs NHE), was achieved using a diepoxide cross-linker, in an approach... [Pg.416]

Table 2. Immobilization of a laccase (from Trametes versicolor) and a peroxidase (from horseradish) on different supports (Gianfreda and Bollag 1994)... Table 2. Immobilization of a laccase (from Trametes versicolor) and a peroxidase (from horseradish) on different supports (Gianfreda and Bollag 1994)...
SSF containing wheat bran and soybean as a substrate was chosen for the production of ligninolytic enzymes for Funalia trogii ATCC200800 [18] as it mimics the natural environment of the WRF and permits the concentration of dyes by absorption process prior to biological treatment [4, 38, 39]. It is possible to stimulate the yield of laccase activity of Trametes versicolor by using several agricultural wastes [40]. [Pg.162]

Birhanli E, Yesilada O (2006) Increased production of laccase by pellets of Funalia trogii ATCC 200800 and Trametes versicolor ATCC 200801 in repeated-batch mode. Enzyme Microb Technol 39 1286-1293... [Pg.166]

Lorenzo MD, Moldes D, Rodriguez Couto S, Sanroman A (2002) Improving laccase production by employing different lignocellulosic wastes in submerged cultures of Trametes versicolor. Bioresour Technol 82 109-113... [Pg.166]

Aksu Z, Kilic NK, Ertugrul S, Donmez G (2007) Inhibitory effects of chromium(VI) and Remazol Black B on chromium(VI) and dyestuff removals by Trametes versicolor. Enzyme Microb Technol 40 1167-1174... [Pg.168]

Complex mycelium pellets of Trametes versicolor with activated carbon powder were investigated for decolorization of Acid Violet 7 [49]. The complex pellets showed the best dye removal. The dye was almost completely removed in 6 h. For complex pellets, maximum decolorization rate (Vmax mg/L h) and half velocity concentration (Ks mg/L) was calculated 130.5 and 345.0 in batch system, respectively. [Pg.174]

Shin M, Nguyen T, Ramsay J (2002) Evaluation of support materials for the surface immobilization and decoloration of amaranth by Trametes versicolor. Appl Microbiol Biotechnol 60 218-223... [Pg.180]

Initial adsorption of the dyes on fungal biomass followed by degradation was observed in cultures of Irpex lacteus, Phanerochaete chrysosporium, Trametes versicolor, and Trichophyton rubrum [46 -9]. In P. sajor-caju, it was observed that Disperse Blue 79 and Acid Red 315 were incompletely or not degraded, but a decolorization was reached due to adsorption to the mycelium [38]. Also algae can be used as biosorbents of azo dyes [50]. [Pg.202]

Wang Y, Yu J (1998) Adsorption and degradation of synthetic dyes on the mycelium of Trametes versicolor. Water Sci Technol 38 233-238... [Pg.208]

Green et al. (66) P. placenta Trametes versicolor Phanerochaete chrysosporium Wood blocks for 12 wk decayed by P. placenta, Trametes versicolor, and Phanerochaete chrysosporium using the ASTM soil-block procedure Variety of complex sheath structures (sheets, filaments, and vesicles) often depended on the preparative method... [Pg.189]

Trametes versicolor (CTB 863A) Corsican pine (Pinus nigra) 17 47 Forster eta/. (1997)... [Pg.62]

Laccase from Trametes versicolor purchased from Fluka (30 mg, 440 U) 2,2 -azino-bis-(3-ethylbenzothiazolme-6-sulfonic acid) (ABTS, 5.8 mg, 0.01 mmol) ethyl acetate (800 mL)... [Pg.241]

Ziomek, E. Kirkpatrick, N. Reid, I.D. Effect of polymethylsioloxane oxygen carriers on the biological bleaching of hardwood Kraft pulp by Trametes versicolor. Appl. Microbiol. Biotechnol. 1991, 25, 669-673. [Pg.494]

Archibald, F.S. Paice, M.G. Jurasek, L. Decolorization of Kraft bleachery effluent chromophores by Coriolus Trametes) versicolor. Enzyme Microb. Technol. 1990, 12, 846-853. [Pg.498]

Radioactively labelled contrast agents have been used to study biotransformation or biodegration processes. Rode and Muller described the transformation of iodinated contrast agents by microorganisms such as Trametes versicolor [121]. [Pg.126]

The decomposition by the fungus, Trametes versicolor, of diatrizoate, iodi-pamide and related triiodinated benzoates was investigated by Rode et al. [121]. All compounds were degraded, albeit not completely, under iodide release. Isolation and identification of metabolites suggested stepwise reductive de-iodina-tions as initial transformation steps. [Pg.147]


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