Effect of amino acids and vitamins on laccase production by the birdʹs nest fungus Cyathus bulleri

Various amino acids, their analogues and vitamins have shown stimulatory as well as inhibitory effects on laccase production by Cyathus bulleri. -methionine, -tryptophan, glycine and -valine stimulated laccase production, while -cysteine monohydrochloride completely inhibited the enzyme production. Among vitamins tested biotin, riboflavin and pyridoxine hydrochloride were found to induce laccase production.