Abstract
The effects of a number of culture medium components, such as peptone, yeast extract, mono- and disaccharides, copper ions, 2,6-dimethylphenol, and polycaproamide fiber, on the laccase activity dynamics in the culture liquid and laccase isoform production by the Lentinus strigosus 1566 fungus were studied. It was demonstrated that some saccharides selectively induced or inhibited the synthesis of different laccase isoforms. Similar action was exerted by copper ions, 2,6-dimethylphenol, and polycaproamide fiber, as well as by their combination. Selective in vivo regulation of the production of certain laccase isoforms by basidial fungi by means of altering the culturing medium composition can be utilised for various biotechnological purposes.
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