Metabolism and detoxification of TNT by Phanerochaete chrysosporium.
Identifieur interne : 000E03 ( Main/Exploration ); précédent : 000E02; suivant : 000E04Metabolism and detoxification of TNT by Phanerochaete chrysosporium.
Auteurs : J D Stahl ; S D AustSource :
- Biochemical and biophysical research communications [ 0006-291X ] ; 1993.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Trinitrotoluene.
- metabolism : Basidiomycota, Cell Membrane.
- chemical , toxicity : Trinitrotoluene.
- Biodegradation, Environmental, Membrane Potentials, Oxidation-Reduction.
Abstract
Several lines of evidence suggest that TNT detoxification by Phanerochaete chrysosporium is through reduction. Rates of TNT reduction were directly correlated with mycelial mass and TNT concentration. Toxicity was inversely related to the amount of fungus. TNT toxicity was identical in both ligninolytic and nonligninolytic cultures. Rapid disappearance of the reduced metabolites coincided with production of the manganese-dependent peroxidases and mineralization of TNT was not observed until the lignin peroxidases were detected.
DOI: 10.1006/bbrc.1993.1440
PubMed: 8484760
Affiliations:
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Rates of TNT reduction were directly correlated with mycelial mass and TNT concentration. Toxicity was inversely related to the amount of fungus. TNT toxicity was identical in both ligninolytic and nonligninolytic cultures. Rapid disappearance of the reduced metabolites coincided with production of the manganese-dependent peroxidases and mineralization of TNT was not observed until the lignin peroxidases were detected.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">8484760</PMID><DateCompleted><Year>1993</Year><Month>06</Month><Day>01</Day></DateCompleted><DateRevised><Year>2007</Year><Month>11</Month><Day>14</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0006-291X</ISSN><JournalIssue CitedMedium="Print"><Volume>192</Volume><Issue>2</Issue><PubDate><Year>1993</Year><Month>Apr</Month><Day>30</Day></PubDate></JournalIssue><Title>Biochemical and biophysical research communications</Title><ISOAbbreviation>Biochem Biophys Res Commun</ISOAbbreviation></Journal><ArticleTitle>Metabolism and detoxification of TNT by Phanerochaete chrysosporium.</ArticleTitle><Pagination><MedlinePgn>477-82</MedlinePgn></Pagination><Abstract><AbstractText>Several lines of evidence suggest that TNT detoxification by Phanerochaete chrysosporium is through reduction. Rates of TNT reduction were directly correlated with mycelial mass and TNT concentration. Toxicity was inversely related to the amount of fungus. TNT toxicity was identical in both ligninolytic and nonligninolytic cultures. Rapid disappearance of the reduced metabolites coincided with production of the manganese-dependent peroxidases and mineralization of TNT was not observed until the lignin peroxidases were detected.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Stahl</LastName><ForeName>J D</ForeName><Initials>JD</Initials><AffiliationInfo><Affiliation>Biotechnology Center, Utah State University, Logan 84322-4705.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Aust</LastName><ForeName>S D</ForeName><Initials>SD</Initials></Author></AuthorList><Language>eng</Language><GrantList CompleteYN="Y"><Grant><GrantID>ES04922</GrantID><Acronym>ES</Acronym><Agency>NIEHS NIH HHS</Agency><Country>United States</Country></Grant></GrantList><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013487">Research Support, U.S. Gov't, P.H.S.</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Biochem Biophys Res Commun</MedlineTA><NlmUniqueID>0372516</NlmUniqueID><ISSNLinking>0006-291X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>118-96-7</RegistryNumber><NameOfSubstance UI="D014303">Trinitrotoluene</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001487" MajorTopicYN="N">Basidiomycota</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D001673" MajorTopicYN="N">Biodegradation, Environmental</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002462" MajorTopicYN="N">Cell Membrane</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008564" MajorTopicYN="N">Membrane Potentials</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010084" MajorTopicYN="N">Oxidation-Reduction</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014303" MajorTopicYN="N">Trinitrotoluene</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName><QualifierName UI="Q000633" MajorTopicYN="N">toxicity</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1993</Year><Month>4</Month><Day>30</Day></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1993</Year><Month>4</Month><Day>30</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1993</Year><Month>4</Month><Day>30</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">8484760</ArticleId><ArticleId IdType="pii">S0006-291X(83)71440-3</ArticleId><ArticleId IdType="doi">10.1006/bbrc.1993.1440</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list></list><tree><noCountry><name sortKey="Aust, S D" sort="Aust, S D" uniqKey="Aust S" first="S D" last="Aust">S D Aust</name><name sortKey="Stahl, J D" sort="Stahl, J D" uniqKey="Stahl J" first="J D" last="Stahl">J D Stahl</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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