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백색부후균 Coriolus hirsutus LD-1의 리그닌분해효소 활성과염료탈색에 관한 연구

Production of Lignin Degrading Enzymes and Decolorization of Dye Compounds by White-rotting Fungi Coriolus hirsutus LD-1

하상우|남은숙|박신인
한국환경농학회 (The Korean Society Of Environmental Agriculture)|2006.09|한국환경농학회지 (Agricultural and Environmental Sciences)|제25권 제3호|pp. 211-216

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참고문헌

주제분류농학

초록

Coriolus hirsutus LD-1 균주의 리그닌분해효소 활성과 몇몇 염료의 탈색능을 조사하였다. 백색부후균인 LD-1 균주는 laccase(16,388.9 U/L)와 manganese-dependent peroxidase (19.81 U/L)는 생산하였으나 lignin peroxidase를 생산하지 않았다. 균주를 염료와 함께 8일간 배양했을때 염료 RBBR과 염료 BB의 탈색율은 각각 70.2%와 98%로 나타났다. Manganese -dependent peroxidase는 8일간 배양 중 효소 활성은 매우 낮은 반면 laccase는 지속적으로 생산되어 대단히 높은 활성을 나타내었다. 백색부후균인 Coriolus hirsutus LD-1에 의한 염료의 탈색은 주로 laccase에 의한 것으로 사료되었다.

Abstract

The present research was undertaken to investigate the activities of ligninolytic enzymes and dye-decolorization capabilities of white-rotting fungi Coriolus hirsutus LD-1. The isolated white-rotting fungi (Coriolus hirsutus LD-1) produced laccase (16,388.9 U/L) and manganese-dependent peroxidase (19.81 U/L) but it did not produce lignin peroxidase. When the isolated fungi was incubated with the treatment of dyes for 8 days, the rates of decolorization of remazol brilliant blue R and bromophenol blue were 70.2% and 98%, respectively. The activity for manganese-dependent peroxidase was low, whereas that for laccase was very high. Moreover, the laccase was more effective to decolor when compared to manganese-dependent peroxidase. The results suggested that laccase of Coriolus hirsutus LD-1 might be playing an important role in the decolorization of the dyes.

참고문헌 (22)

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