Cellobiose oxidase of Phanerochaete chrysosporium enhances crystalline cellulose degradation by cellulases.
Identifieur interne : 000E87 ( Main/Exploration ); précédent : 000E86; suivant : 000E88Cellobiose oxidase of Phanerochaete chrysosporium enhances crystalline cellulose degradation by cellulases.
Auteurs : W. Bao ; V. RenganathanSource :
- FEBS letters [ 0014-5793 ] ; 1992.
Descripteurs français
- KwdFr :
- MESH :
- enzymologie : Basidiomycota.
- métabolisme : Carbohydrate dehydrogenases, Cellulose.
- Hydrolyse.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Carbohydrate Dehydrogenases, Cellulose.
- enzymology : Basidiomycota.
- Hydrolysis.
Abstract
The effect of Phanerochaete chrysosporium cellobiose oxidase (CBO) on microcrystalline cellulose hydrolysis by Trichoderma cellulases was determined. Addition of 10 micrograms.ml-1 CBO to a reaction mixture containing T. viride cellulase increased glucose and cellobiose production by 10% and 48%, respectively. Cellulose weight loss was also enhanced by 19%. At higher concentrations (20-80 micrograms.ml-1), CBO decreased glucose and cellobiose production. Cellulose weight loss at 60 micrograms.ml-1 CBO was 76% compared to control cellulase reactions. This decrease appears to be due to inactivation of cellulase by H2O2 produced via CBO reaction, because addition of catalase enhances sugar production and cellulose weight loss. These findings suggest that at low, perhaps physiologically relevant concentrations, CBO enhances crystalline cellulose degradation by cellulases.
DOI: 10.1016/0014-5793(92)80289-s
PubMed: 1587358
Affiliations:
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Bao</name><affiliation><nlm:affiliation>Department of Chemical and Biological Sciences, Oregon Graduate Institute of Science and Technology, Beaverton 97006-1999.</nlm:affiliation><wicri:noCountry code="subField">Beaverton 97006-1999</wicri:noCountry></affiliation></author><author><name sortKey="Renganathan, V" sort="Renganathan, V" uniqKey="Renganathan V" first="V" last="Renganathan">V. Renganathan</name></author></analytic><series><title level="j">FEBS letters</title><idno type="ISSN">0014-5793</idno><imprint><date when="1992" type="published">1992</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Basidiomycota (enzymology)</term><term>Carbohydrate Dehydrogenases (metabolism)</term><term>Cellulose (metabolism)</term><term>Hydrolysis (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Basidiomycota (enzymologie)</term><term>Carbohydrate dehydrogenases (métabolisme)</term><term>Cellulose (métabolisme)</term><term>Hydrolyse (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Carbohydrate Dehydrogenases</term><term>Cellulose</term></keywords><keywords scheme="MESH" qualifier="enzymologie" xml:lang="fr"><term>Basidiomycota</term></keywords><keywords scheme="MESH" qualifier="enzymology" xml:lang="en"><term>Basidiomycota</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Carbohydrate dehydrogenases</term><term>Cellulose</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Hydrolysis</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Hydrolyse</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The effect of Phanerochaete chrysosporium cellobiose oxidase (CBO) on microcrystalline cellulose hydrolysis by Trichoderma cellulases was determined. Addition of 10 micrograms.ml-1 CBO to a reaction mixture containing T. viride cellulase increased glucose and cellobiose production by 10% and 48%, respectively. Cellulose weight loss was also enhanced by 19%. At higher concentrations (20-80 micrograms.ml-1), CBO decreased glucose and cellobiose production. Cellulose weight loss at 60 micrograms.ml-1 CBO was 76% compared to control cellulase reactions. This decrease appears to be due to inactivation of cellulase by H2O2 produced via CBO reaction, because addition of catalase enhances sugar production and cellulose weight loss. These findings suggest that at low, perhaps physiologically relevant concentrations, CBO enhances crystalline cellulose degradation by cellulases.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">1587358</PMID><DateCompleted><Year>1992</Year><Month>06</Month><Day>19</Day></DateCompleted><DateRevised><Year>2019</Year><Month>06</Month><Day>20</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0014-5793</ISSN><JournalIssue CitedMedium="Print"><Volume>302</Volume><Issue>1</Issue><PubDate><Year>1992</Year><Month>May</Month><Day>04</Day></PubDate></JournalIssue><Title>FEBS letters</Title><ISOAbbreviation>FEBS Lett</ISOAbbreviation></Journal><ArticleTitle>Cellobiose oxidase of Phanerochaete chrysosporium enhances crystalline cellulose degradation by cellulases.</ArticleTitle><Pagination><MedlinePgn>77-80</MedlinePgn></Pagination><Abstract><AbstractText>The effect of Phanerochaete chrysosporium cellobiose oxidase (CBO) on microcrystalline cellulose hydrolysis by Trichoderma cellulases was determined. Addition of 10 micrograms.ml-1 CBO to a reaction mixture containing T. viride cellulase increased glucose and cellobiose production by 10% and 48%, respectively. Cellulose weight loss was also enhanced by 19%. At higher concentrations (20-80 micrograms.ml-1), CBO decreased glucose and cellobiose production. Cellulose weight loss at 60 micrograms.ml-1 CBO was 76% compared to control cellulase reactions. This decrease appears to be due to inactivation of cellulase by H2O2 produced via CBO reaction, because addition of catalase enhances sugar production and cellulose weight loss. These findings suggest that at low, perhaps physiologically relevant concentrations, CBO enhances crystalline cellulose degradation by cellulases.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Bao</LastName><ForeName>W</ForeName><Initials>W</Initials><AffiliationInfo><Affiliation>Department of Chemical and Biological Sciences, Oregon Graduate Institute of Science and Technology, Beaverton 97006-1999.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Renganathan</LastName><ForeName>V</ForeName><Initials>V</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>FEBS Lett</MedlineTA><NlmUniqueID>0155157</NlmUniqueID><ISSNLinking>0014-5793</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>9004-34-6</RegistryNumber><NameOfSubstance UI="D002482">Cellulose</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.1.-</RegistryNumber><NameOfSubstance UI="D002237">Carbohydrate Dehydrogenases</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.1.3.-</RegistryNumber><NameOfSubstance UI="C019858">cellobiose oxidase</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001487" MajorTopicYN="N">Basidiomycota</DescriptorName><QualifierName UI="Q000201" MajorTopicYN="Y">enzymology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002237" MajorTopicYN="N">Carbohydrate Dehydrogenases</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002482" MajorTopicYN="N">Cellulose</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006868" MajorTopicYN="N">Hydrolysis</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1992</Year><Month>5</Month><Day>4</Day></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1992</Year><Month>5</Month><Day>4</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1992</Year><Month>5</Month><Day>4</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">1587358</ArticleId><ArticleId IdType="pii">0014-5793(92)80289-S</ArticleId><ArticleId IdType="doi">10.1016/0014-5793(92)80289-s</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list></list><tree><noCountry><name sortKey="Bao, W" sort="Bao, W" uniqKey="Bao W" first="W" last="Bao">W. 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