• Title/Summary/Keyword: Lignin-degrading fungus LSK-27

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Screening and Evaluating of Wood-Rotting Fungi for Lignin Degradation and Ligninolytic Enzyme Production (III) - Conditions of Manganese Peroxidase Production by Lignin-Degrading Fungus LSK-27 - (리그닌분해(分解)와 리그닌분해효소(分解酵素) 생산(生産)을 위한 목재부후균(木材腐朽菌)의 선발(選拔)과 평가(評價) (III) -리그닌분해균(分解菌) LSK-27에 의한 Manganese peroxidase 생산조건(生産條件)-)

  • Jung, Hyun-Chae;Park, Seur-Kee;Kim, Byeong-Soo;Park, Chong-Yawl
    • Journal of the Korean Wood Science and Technology
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    • v.27 no.2
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    • pp.53-61
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    • 1999

  • Effects of culture conditions and Mn(II) addition were investigated for production of extracellular manganese peroxidase by lignin-degrading fungus LSK-27, Nitrogen source was shown to more influence the production of extracellular manganese peroxidase by LSK-27 than carbon source. When peptone or yeast extract as nitrogen source was added, high MnP activity was obtained. Especially, nitrogen-sufficient culture condition was effective in MnP activity, showing significantly increase up to 1.0% peptone concentration, but carbon-sufficient was not. Mn(II) was shown to strongly induce the MnP production in culture fluids of LSK-27. Increase of MnP actiyity was obeserved up to addition of 100ppm Mn(II), and over this Mn(II) concentration appeared to be inhibitory. The highest level of MnP activity was attained when Mn(II) was added after 2 day incubation.

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