Growth and laccase production by Pleurotus ostreatus in submerged and solid-state fermentation |
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Authors: | M. Téllez-Téllez F. J. Fernández A. M. Montiel-González C. Sánchez G. Díaz-Godínez |
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Affiliation: | (1) Laboratory of Biotechnology, Research Centre for Biological Sciences, Universidad Autónoma de Tlaxcala, Tlaxcala, Mexico;(2) Laboratorio de Ingeniería Genética y Metabolismo Secundario, Universidad Autónoma Metropolitana-Iztapalapa, D. F., Mexico |
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Abstract: | Pleurotus ostreatus showed atypical laccase production in submerged vs. solid-state fermentation. Cultures grown in submerged fermentation produced laccase at 13,000 U l−1, with a biomass production of 5.6 g l−1 and four laccase isoforms. However, cultures grown in solid-state fermentation had a much lower laccase activity of 2,430 U l−1, biomass production of 4.5 g l−1, and three laccase isoforms. These results show that P. ostreatus performs much better in submerged fermentation than in solid-state fermentation. This is the first report that shows such atypical behavior in the production of extracellular laccases by fungi. |
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Keywords: | Enzymes Fermentation Laccases Pleurotus |
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