Abstract
A role of acetyl esterase in wood biodegradation byCoriolus versicolor was examined by the assay of enzyme production and the chemical analysis of decayed wood meal of Japanese beech (Fagus crenata). Enzyme assay demonstrated that the degradation proceeded in two stages and acetyl esterase production was correlated with the cellulolytic and xylanolytic enzyme production in the second stage, not with the production of phenol-oxidizing enzymes. From the results of chemical analysis, acetyl and xylose contents in wood meal were observed to decrease simultaneously in the second stage. In contrast, rapid decrease of lignin was recognized during the initial three wk of incubation, and it was closely related with the production of phenol-oxidizing enzymes in the first stage. These results show that acetyl esterase ofC. versicolor participates in the degradation of acetylxylan and acts with the cellulolytic and xylanolytic systems, not with the ligninolytic system.
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Tsujiyama, Si., Nakano, N. & Nishimura, K. Production of acetyl esterase during wood biodegradation byCoriolus versicolor . Mycoscience 39, 57–61 (1998). https://doi.org/10.1007/BF02461579
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DOI: https://doi.org/10.1007/BF02461579