1. Enhancement of ligninolytic enzyme activities in a Trametes maxima–Paecilomyces carneus co-culture: Key factors revealed after screening using a Plackett–Burman experimental design
- Author
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Wilberth Chan Cupul, Gabriela Heredia Abarca, Daniel Martínez Carrera, and Refugio Rodríguez Vázquez
- Subjects
Enzyme activity enhance ,Fungal interaction ,Paecilomyces carneus ,Time inoculation ,White-rot fungi ,Biotechnology ,TP248.13-248.65 ,Biology (General) ,QH301-705.5 - Abstract
Background: In the industrial biotechnology, ligninolytic enzymes are produced by single fungal strains. Experimental evidence suggests that co-culture of ligninolytic fungi and filamentous microfungi results in an increase laccase activity. In this topic, only the ascomycete Trichoderma spp. has been studied broadly. However, fungal ligninolytic-filamentous microfungi biodiversity interaction in nature is abundant and poorly studied. The enhancement of laccase and manganese peroxidase (MnP) activities of Trametes maxima as a function of time inoculation of Paecilomyces carneus and under several culture conditions using Plackett–Burman experimental design (PBED) were investigated. Results: The highest increases of laccase (12,382.5 U/mg protein) and MnP (564.1 U/mg protein) activities were seen in co-cultures I3 and I5, respectively, both at 10 d after inoculation. This level of activity was significantly different from the enzyme activity in non-inoculated T. maxima (4881.0 U/mg protein and 291.8 U/mg protein for laccase and MnP, respectively). PBED results showed that laccase was increased (P
- Published
- 2014
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