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Induction of enzymes by light in the mycelium of wood decay fungi

Research Project

Project/Area Number 02660181
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field 林産学
Research InstitutionTokyo University of Agriculture

Principal Investigator

SUZUKI Toshikatsu  Tokyo Univ. of Agri., Fac. of Agri., Instructor, 農学部, 講師 (80096677)

Co-Investigator(Kenkyū-buntansha) FUKUZUMI Toshiro  Tokyo Univ. of Agri., Fac. of Agri., Professor, 農学部, 教授 (70011856)
HIGAKI Miyato  Tokyo Univ. of Agri., Fac. of Agri., Professor, 農学部, 教授 (50078143)
桧垣 宮都  東京農業大学, 農学部, 教授 (70138957)
Project Period (FY) 1990 – 1991
Project Status Completed (Fiscal Year 1991)
Budget Amount *help
¥1,700,000 (Direct Cost: ¥1,700,000)
Fiscal Year 1991: ¥300,000 (Direct Cost: ¥300,000)
Fiscal Year 1990: ¥1,400,000 (Direct Cost: ¥1,400,000)
KeywordsLight / Aeration condition / Tyromyces palustris / Coriolus versicolor / Enzyme induction / Mass loss / Hydrolytic enzyme / Phenoloxidase / キシラナ-ゼ / 重量減少率
Research Abstract

* Effects of light and aeration condition on the activities of hydrolytic enzymes in the T. palustris mycelium
(1) When the fungus incubated in a shaking culture for five days with the culture medium containing 4 % glucose, the activity of extracellular xylanase was stronger under the irradiation of a 10 W fluorescent lamp than under no irradiation, but this activity was not increased when incubated without glucose under light irradiation.
(2) The activities of extracellular and cell wall bound hydrolytic enzymes were influenced by light irradiation and aeration conditions with wood meal culture medium. The activities of exo-typed cellulase and beta -glucosidase were enhanced in the mycelium which was cultivated under light irradiation and good aeration condition.
* Effects of light and aeration condition on wood decay by C. versicolor
(1) The mass losses of wood by the fungus were greater when the culturing was performed under lightshielded conditions and 25 mm diameter glass tube (0.223g/m^3 cotton wool for aeration) condition than that under the irradiation of 4-20 W fluorescent lamps. And it was found that the masses lost about 45 % in 90 days of culturing.
(2) The activities of extracellular and cell wall bound hydrolytic enzymes were stronger under light-shielded condition with wood meal culture medium than under light irradiation. The activity of extracellular laccase was enchanced under light irraditation. But the activity of peroxidase (optimum pH 5.0-5.5) was stronger under light-shield condition than under light irradiation.

Report

(3 results)
  • 1991 Annual Research Report   Final Research Report Summary
  • 1990 Annual Research Report

Research Products

(13 results)

All Other

All Publications (13 results)

  • [Publications] 鈴木 利克,桧垣 宮都: "褐色腐朽菌オオウズラタケの木材腐朽菌(第2報)菌体外シキラナ-ゼ活性に及ぼす光と培地組成の影響" 木材学会誌. 37. 1183-1187 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] T.Suzuki,M.Higaki: "Effect of lihtht and ventilation conditions on the rate of wood decay by the brown rot basidiomycete Tyromyces palustris" The International Research Group on Wood Preservation,Document No: IRG/WP/1517. 1-14 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] 鈴木 利克,北田 裕啓,桧垣 宮都: "褐色腐朽菌オオズラタケの木材腐朽菌(第3報)加水分解酵素活性に及ぼす光と通気条件の影響" 木材学会誌.

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] 鈴木 利克,北田 裕啓,桧垣 宮都: "褐色腐朽菌カワラタケの木材腐朽菌(第1報)質量減少率と酵素活性に及ぼす光と通気条件の影響" 木材学会誌.

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Toshikashu SUZUKI and Miyato HIGAKI: "Wood Decay by a Brown Rot Basidiomycete, Tyromyces palustris II. Effects of light and culture medium composition on extracellular xylanase activity" Mokuzai Gakkaishi. 37-12. 1183-1187 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Toshikashu SUZUKI and Miyato HIGAKI: "Effect of light and ventiation conditions on the rate of wood decay by the brown rot basidiomycete, Tyromyces paluatris" The International Research Group on Wood Preservation, Document No : IRG/WP/1517. (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Toshikashu SUZUKI, Hiroaki KITADA and Miyato HIGAKI: "Wood Decay by a Brown Rot Basidiomycete, Tyromyces palustris III. Effects of light and aeration conditions on the activities of hydrolytic enzymes" Mokuzai Gakkaishi.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Toshikatsu SUZUKI, Hiroaki KITADA and Miyato HIGAKI: "Wood Decay by a White Rot Basidiomycete, Coriolus versicolor I. Effects of light and aeration conditions on mass loss and enzyme activities" Mokuzai Gakkaishi.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] 鈴木 利克,桧垣 宮都: "褐色腐朽菌オオウズラタケの木材腐朽菌(第2報)菌体外キシラナ-ゼ活性に及ぼす光と培地組成の影響" 木材学会誌. 37. 1183-1187 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] T.Suzuki,M.Higaki: "Effect of light and ventilation conditions on the rate of wood decay by the brown rot basidiomycete Tyromyces palustris" The International Research Group on Wood Preservation,Document NO:IRG/WP/1517. 1-14 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 鈴木 利克,北田 裕啓,桧垣 宮都: "褐色腐朽菌オオウズラタケの木材腐朽菌(第3報)加水分解酵素活性に及ぼす光と通気条件の影響" 木材学会誌.

    • Related Report
      1991 Annual Research Report
  • [Publications] 鈴木 利克,北田 裕啓,桧垣 宮都: "白色腐朽菌カワラタケの木材腐朽菌(第1報)質量減少率と刊素活性に及ぼす光と通気条件の影響" 木材学会誌.

    • Related Report
      1991 Annual Research Report
  • [Publications] 鈴木 利克・檜垣 宮都: "褐色腐朽菌オオウズラタケの菌体外キシラナ-ゼ活性に及ぼす光と培地組成の影響" 木材学会誌.

    • Related Report
      1990 Annual Research Report

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Published: 1990-03-31   Modified: 2016-04-21  

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