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Kim, Yong Hwan
Enzyme and Protein Engineering Lab.
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dc.citation.startPage 126138 -
dc.citation.title BIORESOURCE TECHNOLOGY -
dc.citation.volume 343 - Min, Kyoungseon - Kim, Yong Hwan - Kim, Jiye - Kim, Yunje - Gong, Gyeongtaek - Um, Youngsoon - 2023-12-21T14:44:58Z - 2023-12-21T14:44:58Z - 2021-11-05 - 2022-01 -
dc.description.abstract Herein, it was unearthed that manganese peroxidase (MnP) from Phanerochaete chrysosporium, a lignin-degrading enzyme, is capable of not only directly decomposing cellulosic components but also boosting cellulase activity. MnP decomposes various cellulosic substrates (carboxymethyl cellulose, cellobiose [CMC], and Avicel (R)) and produces reducing sugars rather than oxidized sugars such as lactone and ketoaldolase. MnP with MnII in acetate buffer evolves the MnIII-acetate complex functioning as a strong oxidant, and the non-specificity of MnIII-acetate enables cellulose-decomposition. The catalytic mechanism was proposed by analyzing catalytic products derived from MnP-treated cellopentaose. Notably, MnP also boosts cellulase activity on CMC and Avicel (R), even considering the cellulolytic activity of MnP itself. To the best of the authors' knowledge, this is the first report demonstrating a previously unknown fungal MnP activity in cellulose-decomposition in addition to a known delignification activity. Consequently, the results provide a promising insight for further investigation of the versatility of lignin-degrading biocatalysts. -
dc.identifier.bibliographicCitation BIORESOURCE TECHNOLOGY, v.343, pp.126138 -
dc.identifier.doi 10.1016/j.biortech.2021.126138 -
dc.identifier.issn 0960-8524 -
dc.identifier.scopusid 2-s2.0-85118502864 -
dc.identifier.uri -
dc.identifier.url -
dc.identifier.wosid 000719922100002 -
dc.language 영어 -
dc.publisher ELSEVIER SCI LTD -
dc.title Effect of manganese peroxidase on the decomposition of cellulosic components: Direct cellulolytic activity and synergistic effect with cellulase -
dc.type Article -
dc.description.isOpenAccess FALSE -
dc.relation.journalWebOfScienceCategory Agricultural EngineeringBiotechnology & Applied MicrobiologyEnergy & Fuels -
dc.relation.journalResearchArea AgricultureBiotechnology & Applied MicrobiologyEnergy & Fuels -
dc.type.docType Article -
dc.description.journalRegisteredClass scie -
dc.description.journalRegisteredClass scopus -
dc.subject.keywordAuthor Boosting cellulase activity -
dc.subject.keywordAuthor Cellulose-decomposition -
dc.subject.keywordAuthor Manganese peroxidase -


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