Screening of micro-organisms for decolorization of melanins produced by bluestain fungi

Marjaana Rättö; M. Chatani; Anne-Christine Ritschkoff; Liisa Viikari

doi:10.1007/s002530000516

Screening of micro-organisms for decolorization of melanins produced by bluestain fungi

Marjaana Rättö, M. Chatani, Anne-Christine Ritschkoff, Liisa Viikari

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Abstract

A total of 17 fungi and four bacteria were screened for their ability to decolorize melanin, using isolated extracellular melanin of the bluestain fungus Aureobasidium pullulans as substrate. On agar media, decolorization was observed by four fungal strains: Bjerkandera adusta VTT-D-99746, Galactomyces geotrichum VTT-D-84228, Trametes hirsuta VTT-D-95443 and Trametes versicolor VTT-D-99747. The four fungi were more efficient on nitrogen-limited medium than on complete medium. The melanin-decolorizing activity of G. geotrichum appeared to be located on the mycelium and could be liberated into the medium enzymatically.

Original language	English
Pages (from-to)	210-213
Number of pages	4
Journal	Applied Microbiology and Biotechnology
Volume	55
Issue number	2
DOIs	https://doi.org/10.1007/s002530000516
Publication status	Published - 2001
MoE publication type	A1 Journal article-refereed

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Keywords

melanin
decolorization

Cite this

Rättö, M., Chatani, M., Ritschkoff, A-C., & Viikari, L. (2001). Screening of micro-organisms for decolorization of melanins produced by bluestain fungi. Applied Microbiology and Biotechnology, 55(2), 210-213. https://doi.org/10.1007/s002530000516

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abstract = "A total of 17 fungi and four bacteria were screened for their ability to decolorize melanin, using isolated extracellular melanin of the bluestain fungus Aureobasidium pullulans as substrate. On agar media, decolorization was observed by four fungal strains: Bjerkandera adusta VTT-D-99746, Galactomyces geotrichum VTT-D-84228, Trametes hirsuta VTT-D-95443 and Trametes versicolor VTT-D-99747. The four fungi were more efficient on nitrogen-limited medium than on complete medium. The melanin-decolorizing activity of G. geotrichum appeared to be located on the mycelium and could be liberated into the medium enzymatically.",

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AU - Ritschkoff, Anne-Christine

AU - Viikari, Liisa

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AB - A total of 17 fungi and four bacteria were screened for their ability to decolorize melanin, using isolated extracellular melanin of the bluestain fungus Aureobasidium pullulans as substrate. On agar media, decolorization was observed by four fungal strains: Bjerkandera adusta VTT-D-99746, Galactomyces geotrichum VTT-D-84228, Trametes hirsuta VTT-D-95443 and Trametes versicolor VTT-D-99747. The four fungi were more efficient on nitrogen-limited medium than on complete medium. The melanin-decolorizing activity of G. geotrichum appeared to be located on the mycelium and could be liberated into the medium enzymatically.

KW - melanin

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JO - Applied Microbiology and Biotechnology

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10.1007/s002530000516