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Decoloration of Amaranth by the white-rot fungus Trametes versicolor. Part II. Verification study

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The involvement of lignin peroxidase (LiP) in the decoloration of the mono-azo substituted napthalenic dye Amaranth was investigated with pure enzymes and whole cultures of Trametes versicolor. The verification study confirmed that LiP has a direct influence on the initial decoloration rate and showed that another enzyme, which does not need hydrogen peroxide to function and is not a laccase, also plays a role during decoloration. These results confirm the results of a previous statistical analysis. Furthermore, the fungal mycelium affects the performance of the decoloration process.

L’implication de la lignine peroxydase (LiP) dans la décoloration de l’Amaranthe, un colorant naphtalénique monoazo substitué, a été examinée à l’aide d’enzymes purifiées et de cultures de Trametes versicolor. Une étude de vérification a confirmé que la LiP avait une influence directe sur le taux initial de décoloration et a montré qu’une autre enzyme (qui ne requiert pas de peroxyde d’hydrogène et qui n’est pas la laccase) joue aussi un rôle durant la décoloration, confirmant les résultats d’études statistiques précédentes. De plus, le mycélium affecte la performance du processus de décoloration.

Document Type: Research Article

Publication date: February 1, 2007

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  • Published since 1954, this monthly journal contains new research in the field of microbiology including applied microbiology and biotechnology; microbial structure and function; fungi and other eucaryotic protists; infection and immunity; microbial ecology; physiology, metabolism and enzymology; and virology, genetics, and molecular biology. It also publishes review articles and notes on an occasional basis, contributed by recognized scientists worldwide.
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