Melanins in fungi: Types, localization and putative biological roles

Melanin is a secondary metabolite made up by complex heterogeneous polymers. Several classes of fungal melanins have been described like γ-glutaminyl-3,4-dihydroxy-benzene (GDHB)-, L-DOPA-(eumelanin), DHN-, catechol-melanin, pyomelanin, p-aminophenol (PAP)-melanin, heterogeneous melanins as well as...

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Detalles Bibliográficos
Autores principales: Toledo, Andrea Vanesa, Franco, Mario Emilio Ernesto, López, Silvina Marianela Yanil, Troncozo, María Inés, Saparrat, Mario Carlos Nazareno, Balatti, Pedro Alberto
Formato: Articulo
Lenguaje:Inglés
Publicado: 2017
Materias:
Ciencias Agrarias
Ciencias Naturales
melanins
stress
wall deposition
synthesis
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/124417
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
Descripción
Sumario:Melanin is a secondary metabolite made up by complex heterogeneous polymers. Several classes of fungal melanins have been described like γ-glutaminyl-3,4-dihydroxy-benzene (GDHB)-, L-DOPA-(eumelanin), DHN-, catechol-melanin, pyomelanin, p-aminophenol (PAP)-melanin, heterogeneous melanins as well as two others based on 5-deoxybostrycoidin and aspulvinone E. They have been mostly localized in cell walls of different structures of fungi, which suggest that they play a different biological role. They have been related mostly with morphogenesis, stress resistance, virulence and energy transduction. However, an enormous amount of work remains to be done to clarify, among other things, the role melanins play in fungi.

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