Degradation and mineralization of DDT by the ectomycorrhizal fungi, Xerocomus chrysenteron.
Identifieur interne : 001C31 ( Main/Corpus ); précédent : 001C30; suivant : 001C32Degradation and mineralization of DDT by the ectomycorrhizal fungi, Xerocomus chrysenteron.
Auteurs : Yi Huang ; Jie WangSource :
- Chemosphere [ 1879-1298 ] ; 2013.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : DDT, Dichlorodiphenyl Dichloroethylene, Dichlorodiphenyldichloroethane, Soil Pollutants.
- metabolism : Basidiomycota, Mycorrhizae.
- Biodegradation, Environmental, Gas Chromatography-Mass Spectrometry.
Abstract
One strain of ectomycorrhizal fungi, Xerocomus chrysenteron, had been investigated for its ability to degrade 1,1,1-trichloro-2,2-bis(4-chlorophe-nyl) ethane (DDT) by measuring unlabeled DDT and identifying its metabolites, and determining the mineralization of [(13)C]DDT in pure cultures. After 45d incubation, about 55% of the added DDT disappeared from the culture system, less than 5% remained in the nutrient solution, and about 44% was retained in the mycelium. Inoculation with mycelium enhanced the degradation of DDT in soil, and alleviated enrichment of DDT in plants. The metabolites identified by gas chromatography-mass spectrometry were 1,1-dichloro-2,2-bis(4-chlorophenyl) ethane (DDD), 1,1-dichloro-2,2-bis(4-chlorophenyl)ethylene (DDE), and 4,4'-dichlorobenzophenone (DBP). There were significant differences in the δ(13)C of released CO2 between [(13)C]DDT and DDT cultures, which indicated X. chrysenteron was able to mineralize DDT to CO2.
DOI: 10.1016/j.chemosphere.2013.04.002
PubMed: 23651556
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pubmed:23651556Le document en format XML
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After 45d incubation, about 55% of the added DDT disappeared from the culture system, less than 5% remained in the nutrient solution, and about 44% was retained in the mycelium. Inoculation with mycelium enhanced the degradation of DDT in soil, and alleviated enrichment of DDT in plants. The metabolites identified by gas chromatography-mass spectrometry were 1,1-dichloro-2,2-bis(4-chlorophenyl) ethane (DDD), 1,1-dichloro-2,2-bis(4-chlorophenyl)ethylene (DDE), and 4,4'-dichlorobenzophenone (DBP). There were significant differences in the δ(13)C of released CO2 between [(13)C]DDT and DDT cultures, which indicated X. chrysenteron was able to mineralize DDT to CO2. </div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">23651556</PMID><DateCompleted><Year>2014</Year><Month>02</Month><Day>04</Day></DateCompleted><DateRevised><Year>2013</Year><Month>06</Month><Day>26</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1879-1298</ISSN><JournalIssue CitedMedium="Internet"><Volume>92</Volume><Issue>7</Issue><PubDate><Year>2013</Year><Month>Aug</Month></PubDate></JournalIssue><Title>Chemosphere</Title><ISOAbbreviation>Chemosphere</ISOAbbreviation></Journal><ArticleTitle>Degradation and mineralization of DDT by the ectomycorrhizal fungi, Xerocomus chrysenteron.</ArticleTitle><Pagination><MedlinePgn>760-4</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.chemosphere.2013.04.002</ELocationID><ELocationID EIdType="pii" ValidYN="Y">S0045-6535(13)00497-9</ELocationID><Abstract><AbstractText>One strain of ectomycorrhizal fungi, Xerocomus chrysenteron, had been investigated for its ability to degrade 1,1,1-trichloro-2,2-bis(4-chlorophe-nyl) ethane (DDT) by measuring unlabeled DDT and identifying its metabolites, and determining the mineralization of [(13)C]DDT in pure cultures. After 45d incubation, about 55% of the added DDT disappeared from the culture system, less than 5% remained in the nutrient solution, and about 44% was retained in the mycelium. Inoculation with mycelium enhanced the degradation of DDT in soil, and alleviated enrichment of DDT in plants. The metabolites identified by gas chromatography-mass spectrometry were 1,1-dichloro-2,2-bis(4-chlorophenyl) ethane (DDD), 1,1-dichloro-2,2-bis(4-chlorophenyl)ethylene (DDE), and 4,4'-dichlorobenzophenone (DBP). There were significant differences in the δ(13)C of released CO2 between [(13)C]DDT and DDT cultures, which indicated X. chrysenteron was able to mineralize DDT to CO2. </AbstractText><CopyrightInformation>Copyright © 2013 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Huang</LastName><ForeName>Yi</ForeName><Initials>Y</Initials><AffiliationInfo><Affiliation>College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Jie</ForeName><Initials>J</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2013</Year><Month>05</Month><Day>04</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Chemosphere</MedlineTA><NlmUniqueID>0320657</NlmUniqueID><ISSNLinking>0045-6535</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012989">Soil Pollutants</NameOfSubstance></Chemical><Chemical><RegistryNumber>4M7FS82U08</RegistryNumber><NameOfSubstance UI="D003633">Dichlorodiphenyl Dichloroethylene</NameOfSubstance></Chemical><Chemical><RegistryNumber>CIW5S16655</RegistryNumber><NameOfSubstance UI="D003634">DDT</NameOfSubstance></Chemical><Chemical><RegistryNumber>V14159DF29</RegistryNumber><NameOfSubstance UI="D003632">Dichlorodiphenyldichloroethane</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="D003634" MajorTopicYN="N">DDT</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003633" MajorTopicYN="N">Dichlorodiphenyl Dichloroethylene</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003632" MajorTopicYN="N">Dichlorodiphenyldichloroethane</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008401" MajorTopicYN="N">Gas Chromatography-Mass Spectrometry</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012989" MajorTopicYN="N">Soil Pollutants</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2012</Year><Month>12</Month><Day>17</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2013</Year><Month>03</Month><Day>13</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2013</Year><Month>04</Month><Day>01</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2013</Year><Month>5</Month><Day>9</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2013</Year><Month>5</Month><Day>9</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2014</Year><Month>2</Month><Day>5</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">23651556</ArticleId><ArticleId IdType="pii">S0045-6535(13)00497-9</ArticleId><ArticleId IdType="doi">10.1016/j.chemosphere.2013.04.002</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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