Lignin peroxidases, manganese peroxidases, and other ligninolytic enzymes produced by Phlebia radiata during solid-state fermentation of wheat straw

Article Abstract:

The fungus Phlebia (P.) radiata 79 may produce large amounts of the enzymes lignin peroxidase (LiP), manganese peroxidase (MnP), laccase, and glyoxal oxidase (GLOX) while breaking down wheat straw. Researchers extracted enzymes produced by the fungus during solid-state fermentation of wheat straw. In comparison to liquid fementation, solid-state cultures produced new forms of MnP and GLOX and higher concentrations of the form of LiP known as LiP2.

Fermentation, Lignin, Straw

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Degradation of benzo[a]pyrene by the litter-decomposing basidiomycete Stropharia coronilla: role of manganese peroxidase

Article Abstract:

Research demonstrates that Stropharia coronilla metabolizes and mineralizes benzo[a]pyrene and manganese(II) ions significantly stimulate this process by four to twelve times, respectively. Data indicate that the stimulatory effects is mediated by the ligninolytic enzyme manganese peroxidase, whose activity increases upon manganese addition.

Finland, Germany, Science & research, Primary nonferrous metals, not elsewhere classified, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Manganese, Physiological aspects, Influence, Benzopyrene, Enzyme activation

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Conversion of milled pine wood by manganese peroxidase from Phlebia radiata

Article Abstract:

Researchers demonstrate for the first time the biodegradation of lignin in solid pine wood by manganese peroxidase from the white-rot fungus Phlebia radiata. In this system, a nonphenolic lignin structure that is not normally degraded by manganese peroxidase was oxidizable.

Microbial enzymes

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