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Characterization and biological activities of extracellular melanin produced by Schizophyllum commune (Fries).
Indian J Exp Biol ; 2015 Jun; 53(6): 380-387
Artigo em Inglês | IMSEAR | ID: sea-158514
ABSTRACT
Melanins are enigmatic pigments produced by a wide variety of microorganisms including bacteria and fungi. Here, we have isolated and characterized extracellular melanin from mushroom fungus, Schizophyllum commune. The extracellular dark pigment produced by the broth culture of S. commune, after 21 days of incubation was recovered by hot acid-alkali treatment. The melanin nature of the pigment was characterized by biochemical tests and further, confirmed by UV, IR, EPR, NMR and MALDI-TOF Mass Spectra. Extracellular melanin, at 100 µg/ml, showed significant antibacterial activity against Escherichia coli, Bacillus subtilis, Klebsiella pneumoniae and Pseudomonas fluorescens and antifungal activity against Trichophyton simii and T. rubrum. At a concentration of 50 µg/ml, melanin showed high free radical scavenging activity of DPPH (2,2-diphenyl-1-picrylhydrazyl) indicating its antioxidant potential. It showed concentration dependent inhibition of cell proliferation of Human Epidermoid Larynx Carcinoma Cell Line (HEP-2). This study has demonstrated characterization of melanin from basidiomycetes mushroom fungus, Schizophyllum commune and its applications.
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Texto completo: DisponíveL Índice: IMSEAR (Sudeste Asiático) Assunto principal: Schizophyllum / Basidiomycota / Espectroscopia de Ressonância de Spin Eletrônica / Fungos / Melaninas / Antibacterianos / Antifúngicos / Antineoplásicos / Antioxidantes Idioma: Inglês Revista: Indian J Exp Biol Ano de publicação: 2015 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: IMSEAR (Sudeste Asiático) Assunto principal: Schizophyllum / Basidiomycota / Espectroscopia de Ressonância de Spin Eletrônica / Fungos / Melaninas / Antibacterianos / Antifúngicos / Antineoplásicos / Antioxidantes Idioma: Inglês Revista: Indian J Exp Biol Ano de publicação: 2015 Tipo de documento: Artigo