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Enhancing laccase production by white-rot fungus Funalia floccosa LPSC 232 in co-culture with Penicillium commune GHAIE86

AuthorsDíaz-Rodríguez, Rosario; Heredia, Gabriela; Siles Martos, José Antonio; Jurado, Miguel ; Saparrat, Mario C. N.; García-Romera, Inmaculada; Sampedro, Inmaculada
Issue Date2019
CitationFolia Microbiologica 64: 91- 99 (2019)
AbstractTo obtain enzymatic preparations with higher laccase activity levels from Funalia floccosa LPSC 232, available for use in several applications, co-cultures with six filamentous microfungi were tested. A laccase non-producing soil fungus, identified as Penicillium commune GHAIE86, showed an outstanding ability to increase laccase activity (3-fold as compared to that for monoculture) when inoculated in 6-day-old F. floccosa cultures. Maximum laccase production with the F. floccosa and P. commune co-culture reached 60 U/mL, or twice that induced by chemical treatments alone. Our study demonstrated that co-culture with soil fungi might be a promising method for improving laccase production in F. floccosa. Although the enhancement of laccase activity was a function of P. commune inoculation time, two laccase isoenzymes produced by F. floccosa remained unchanged when strains were co-cultured. These data are compatible with the potential of F. floccosa in agricultural applications in soil, whose enzyme machinery could be activated by soil fungi such as P. commune.
Publisher version (URL)https://link.springer.com/article/10.1007%2Fs12223-018-0635-y
Identifiersdoi: 10.1007/s12223-018-0635-y
issn: 1874-9356
Appears in Collections:(EEZ) Artículos
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