Abstract
To understand the ability of producing cellulolytic enzyme activity in the sapstaining fungi, four species of Ophiostoma and two species of Leptographium were investigated in the culture media containing each of cellulose substrates such as CM-cellulose, Avieel and D-cellobiose and each of chromogenic dyes such as Congo-Red, Phenol Red, Remazol Brilliant Blue and fry plum Blue. When the fungi were grown for 5~7 days at 25°C, the formation of clear zone by chromogenic reaction around the margin of the fungal colony was demonstrated in all the culture media Congo-Red containing CM-cellulose. There was difference in the formation of clear zone among the dyes. Only Ophiostoma setosum and Leptographium spp. showed cellulolytic activity to the three substrates. Overall, the results of this study show that ophiostomatoid sapstaining fungi can produce cellulolytic enzymes.
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