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2016 Fiscal Year Final Research Report

Production of novel glycoproteins participating wood decay and application to degradation of biomass

Research Project

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Project/Area Number 25450247
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Wood science
Research InstitutionKindai University

Principal Investigator

TANAKA Hiromi  近畿大学, 農学部, 教授 (30140338)

Project Period (FY) 2013-04-01 – 2017-03-31
Keywords木材分解 / 水酸化ラジカル / 糖タンパク質 / ピリジン補酵素 / 褐色腐朽菌
Outline of Final Research Achievements

During wood degradation, white-rot, brown-rot, and soft-rot fungi produce glycoprotein that catalyzes a redox reaction between oxygen and electron donors to produce hydroxyl radicals, reduces Fe(III) to Fe(II), and strongly binds Fe(II). The continuous generation of hydroxyl radicals requires a constant supply of oxygen and an electron donor for the reduction of oxidized form of the glycoprotein to the reduced form. The extracellular pyridine coenzymes were detected in cultures of white-, brown-, and soft-rot fungi. Thus, these pyridine coenzymes could serve as electron donors for the production of hydroxyl radicals during wood degradation. Moreover, the culture method for brown-rot fungi was examined by determining ethylene generation which indicates one-electron oxidation activity.

Free Research Field

木質科学

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Published: 2018-03-22  

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