Influence of 2,4,6-trinitrotoluene (TNT) concentration on the degradation of TNT in explosive-contaminated soils by the white rot fungus Phanerochaete chrysosporium.
Identifieur interne : 000E55 ( Main/Corpus ); précédent : 000E54; suivant : 000E56Influence of 2,4,6-trinitrotoluene (TNT) concentration on the degradation of TNT in explosive-contaminated soils by the white rot fungus Phanerochaete chrysosporium.
Auteurs : J K Spiker ; D L Crawford ; R L CrawfordSource :
- Applied and environmental microbiology [ 0099-2240 ] ; 1992.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Soil Pollutants, Trinitrotoluene.
- drug effects : Basidiomycota.
- metabolism : Basidiomycota.
- chemical , pharmacology : Soil Pollutants, Trinitrotoluene.
- Biodegradation, Environmental, Dose-Response Relationship, Drug.
Abstract
The ability of Phanerochaete chrysosporium to bioremediate TNT (2,4,6-trinitrotoluene) in a soil containing 12,000 ppm of TNT and the explosives RDX (hexahydro-1,3,5-trinitro-1,3,5- triazine; 3,000 ppm) and HMX (octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine; 300 ppm) was investigated. The fungus did not grow in malt extract broth containing more than 0.02% (wt/vol; 24 ppm of TNT) soil. Pure TNT or explosives extracted from the soil were degraded by P. chrysosporium spore-inoculated cultures at TNT concentrations of up to 20 ppm. Mycelium-inoculated cultures degraded 100 ppm of TNT, but further growth was inhibited above 20 ppm. In malt extract broth, spore-inoculated cultures mineralized 10% of added [14C]TNT (5 ppm) in 27 days at 37 degrees C. No mineralization occurred during [14C]TNT biotransformation by mycelium-inoculated cultures, although the TNT was transformed.
DOI: 10.1128/AEM.58.9.3199-3202.1992
PubMed: 1444437
PubMed Central: PMC183074
Links to Exploration step
pubmed:1444437Le document en format XML
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<author><name sortKey="Spiker, J K" sort="Spiker, J K" uniqKey="Spiker J" first="J K" last="Spiker">J K Spiker</name>
<affiliation><nlm:affiliation>Department of Bacteriology and Biochemistry, University of Idaho, Moscow 83843.</nlm:affiliation>
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<author><name sortKey="Crawford, D L" sort="Crawford, D L" uniqKey="Crawford D" first="D L" last="Crawford">D L Crawford</name>
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<author><name sortKey="Crawford, R L" sort="Crawford, R L" uniqKey="Crawford R" first="R L" last="Crawford">R L Crawford</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Influence of 2,4,6-trinitrotoluene (TNT) concentration on the degradation of TNT in explosive-contaminated soils by the white rot fungus Phanerochaete chrysosporium.</title>
<author><name sortKey="Spiker, J K" sort="Spiker, J K" uniqKey="Spiker J" first="J K" last="Spiker">J K Spiker</name>
<affiliation><nlm:affiliation>Department of Bacteriology and Biochemistry, University of Idaho, Moscow 83843.</nlm:affiliation>
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<author><name sortKey="Crawford, D L" sort="Crawford, D L" uniqKey="Crawford D" first="D L" last="Crawford">D L Crawford</name>
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<author><name sortKey="Crawford, R L" sort="Crawford, R L" uniqKey="Crawford R" first="R L" last="Crawford">R L Crawford</name>
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<series><title level="j">Applied and environmental microbiology</title>
<idno type="ISSN">0099-2240</idno>
<imprint><date when="1992" type="published">1992</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Basidiomycota (drug effects)</term>
<term>Basidiomycota (metabolism)</term>
<term>Biodegradation, Environmental (MeSH)</term>
<term>Dose-Response Relationship, Drug (MeSH)</term>
<term>Soil Pollutants (metabolism)</term>
<term>Soil Pollutants (pharmacology)</term>
<term>Trinitrotoluene (metabolism)</term>
<term>Trinitrotoluene (pharmacology)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Soil Pollutants</term>
<term>Trinitrotoluene</term>
</keywords>
<keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Basidiomycota</term>
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<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Basidiomycota</term>
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<keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Soil Pollutants</term>
<term>Trinitrotoluene</term>
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<front><div type="abstract" xml:lang="en">The ability of Phanerochaete chrysosporium to bioremediate TNT (2,4,6-trinitrotoluene) in a soil containing 12,000 ppm of TNT and the explosives RDX (hexahydro-1,3,5-trinitro-1,3,5- triazine; 3,000 ppm) and HMX (octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine; 300 ppm) was investigated. The fungus did not grow in malt extract broth containing more than 0.02% (wt/vol; 24 ppm of TNT) soil. Pure TNT or explosives extracted from the soil were degraded by P. chrysosporium spore-inoculated cultures at TNT concentrations of up to 20 ppm. Mycelium-inoculated cultures degraded 100 ppm of TNT, but further growth was inhibited above 20 ppm. In malt extract broth, spore-inoculated cultures mineralized 10% of added [14C]TNT (5 ppm) in 27 days at 37 degrees C. No mineralization occurred during [14C]TNT biotransformation by mycelium-inoculated cultures, although the TNT was transformed.</div>
</front>
</TEI>
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<DateCompleted><Year>1992</Year>
<Month>12</Month>
<Day>23</Day>
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<DateRevised><Year>2020</Year>
<Month>07</Month>
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<JournalIssue CitedMedium="Print"><Volume>58</Volume>
<Issue>9</Issue>
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<Title>Applied and environmental microbiology</Title>
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<ArticleTitle>Influence of 2,4,6-trinitrotoluene (TNT) concentration on the degradation of TNT in explosive-contaminated soils by the white rot fungus Phanerochaete chrysosporium.</ArticleTitle>
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<Abstract><AbstractText>The ability of Phanerochaete chrysosporium to bioremediate TNT (2,4,6-trinitrotoluene) in a soil containing 12,000 ppm of TNT and the explosives RDX (hexahydro-1,3,5-trinitro-1,3,5- triazine; 3,000 ppm) and HMX (octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine; 300 ppm) was investigated. The fungus did not grow in malt extract broth containing more than 0.02% (wt/vol; 24 ppm of TNT) soil. Pure TNT or explosives extracted from the soil were degraded by P. chrysosporium spore-inoculated cultures at TNT concentrations of up to 20 ppm. Mycelium-inoculated cultures degraded 100 ppm of TNT, but further growth was inhibited above 20 ppm. In malt extract broth, spore-inoculated cultures mineralized 10% of added [14C]TNT (5 ppm) in 27 days at 37 degrees C. No mineralization occurred during [14C]TNT biotransformation by mycelium-inoculated cultures, although the TNT was transformed.</AbstractText>
</Abstract>
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