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Official Journal of the Japan Wood Research Society

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Changes in carbohydrase activities during vegetative growth and development of fruit-bodies of Hypsizygus marmoreus grown in sawdust-based culture


Carbohydraseproduction of Hypsizygus marmoreus cultured on sawdust rice bran medium by bottle cultivation was investigated to elucidate the carbohydrase utilized as the growth substrate for the fruit-body formation of this fungus. Among the extracellular enzymes assayed, xylanase showed the highest activity. This activity greatly increased during the end of vegetative mycelial growth and fruit-body formation. Among the cellulases. CM-cellulase showed higher activity than avicelase. The activities of β-1,3-glucanase, amylase, and chitinase were low. Among the intracellular enzymes, both xylanase and amylase showed higher activity levels than the other carbohydrases. In contrast, β-1,3-glucanase, avicelase, and chitinase activities in mycelia were considerably lower. These results suggest that xylanase, CM-cellulase, and amylase play an important role in mycelial maturation and fruit-body growth of H. marmoreus.


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Terashita, T., Murao, R., Yoshikawa, K. et al. Changes in carbohydrase activities during vegetative growth and development of fruit-bodies of Hypsizygus marmoreus grown in sawdust-based culture. J Wood Sci 44, 234–236 (1998).

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