Characterization of the carbohydrase productions of an ectomycorrhizal fungus, Tricholoma matsutake

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  • Kusuda Mizuho
    Laboratory of Biocycle Engineering, Graduate School of Life and Environmental Sciences, Osaka Prefecture University
  • Ueda Mitsuhiro
    Laboratory of Biocycle Engineering, Graduate School of Life and Environmental Sciences, Osaka Prefecture University
  • Miyatake Kazutaka
    Laboratory of Biocycle Engineering, Graduate School of Life and Environmental Sciences, Osaka Prefecture University
  • Terashita Takao
    Laboratory of Food Microbiological Science and Biotechnology, School of Agriculture, Kin-ki University

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  • Characterization of the carbohydrase productions of an ectomycorrhizal fungus, <i>Tricholoma matsutake</i>

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<p>To evaluate the potential of the production of the ectomycorrhizal fungus Tricholoma matsutake to produce carbohydrases, (1) the distribution of carbohydrase activities among the different strains (18 strains) was investigated and (2) the abilities of T. matsutake and saprophytic fungi to produce β-glucosidase were compared. The results showed that the carbohydrase productions patterns of T. matsutake still resemble one another. Moreover, this fungus exhibited markedly higher β-glucosidase than did the saprophytic mushrooms. Tricholoma matsutake showed weak production of α-amylase and α-glucosidase in a static culture filtrate. On the other hand, glucoamylase activity was not observed. Surprisingly, we discovered that β-glucosidase demonstrated strong activity. This finding suggests that this fungus has saprotrophic abilities. The carbohydrase production systems in T. matsutake were characterized from our experimental results. Also, we point out some weak points in the carbohydrase production systems of T. matsutake.</p>

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  • Mycoscience

    Mycoscience 49 (5), 291-297, 2008

    一般社団法人 日本菌学会

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