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. 2007;52(5):498-502.
doi: 10.1007/BF02932110.

Temperature affects the production, activity and stability of ligninolytic enzymes in Pleurotus ostreatus and Trametes versicolor

J Snajdr  1 , P Baldrian
Affiliations

Temperature affects the production, activity and stability of ligninolytic enzymes in Pleurotus ostreatus and Trametes versicolor

J Snajdr et al. Folia Microbiol (Praha). 2007.

Abstract

Enzyme activity was determined in cultures of Pleurotus ostreatus and Trametes versicolor with cellulose as a sole C source and high C/N ratio. The fungi were able to grow and produce laccase and Mn-peroxidase (MnP) at 5-35 degrees C, the highest production being recorded at 25-30 degrees C in P. ostreatus and at 35 degrees C in T. versicolor. Production of both enzymes at 10 degrees C accounted only for 4-20% of the maximum value. Temperature optima for enzyme activity were 50 and 55 degrees C for P. ostreatus and T. versicolor laccases, respectively, and 60 degrees C for MnP. Temperatures causing 50% loss of activity after 24 h were 32 and 47 degrees C for laccases and 36 and 30 degrees C for MnP from P. ostreatus and T. versicolor, respectively.

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