Degradation of lead-contaminated lignocellulosic waste by Phanerochaete chrysosporium and the reduction of lead toxicity.
Identifieur interne : 000700 ( Main/Exploration ); précédent : 000699; suivant : 000701Degradation of lead-contaminated lignocellulosic waste by Phanerochaete chrysosporium and the reduction of lead toxicity.
Auteurs : Dan-Lian Huang [République populaire de Chine] ; Guang-Ming Zeng ; Chong-Ling Feng ; Shuang Hu ; Xiao-Yun Jiang ; Lin Tang ; Feng-Feng Su ; Yu Zhang ; Wei Zeng ; Hong-Liang LiuSource :
- Environmental science & technology [ 0013-936X ] ; 2008.
Descripteurs français
- KwdFr :
- Adsorption (MeSH), Analyse de variance (MeSH), Dépollution biologique de l'environnement (MeSH), Fermentation (MeSH), Lignine (métabolisme), Microscopie électronique à balayage (MeSH), Phanerochaete (métabolisme), Phanerochaete (ultrastructure), Plomb (métabolisme), Plomb (toxicité), Polluants environnementaux (métabolisme), Polluants environnementaux (toxicité), Élimination des déchets (méthodes).
- MESH :
- métabolisme : Lignine, Phanerochaete, Plomb, Polluants environnementaux.
- méthodes : Élimination des déchets.
- toxicité : Plomb, Polluants environnementaux.
- ultrastructure : Adsorption, Analyse de variance, Dépollution biologique de l'environnement, Fermentation, Microscopie électronique à balayage, Phanerochaete.
English descriptors
- KwdEn :
- Adsorption (MeSH), Analysis of Variance (MeSH), Biodegradation, Environmental (MeSH), Environmental Pollutants (metabolism), Environmental Pollutants (toxicity), Fermentation (MeSH), Lead (metabolism), Lead (toxicity), Lignin (metabolism), Microscopy, Electron, Scanning (MeSH), Phanerochaete (metabolism), Phanerochaete (ultrastructure), Refuse Disposal (methods).
- MESH :
- chemical , metabolism : Environmental Pollutants, Lead, Lignin.
- chemical , toxicity : Environmental Pollutants, Lead.
- metabolism : Phanerochaete.
- methods : Refuse Disposal.
- ultrastructure : Phanerochaete.
- Adsorption, Analysis of Variance, Biodegradation, Environmental, Fermentation, Microscopy, Electron, Scanning.
Abstract
Lead, as one of the most hazardous heavy metals to the environment interferes with lignocellulosic biomass bioconversion and carbon cycles in nature. The degradation of lead-polluted lignocellulosic waste and the restrain of lead hazards by solid-state fermentation with Phanerochaete chrysosporium were studied. Phanerochaete chrysosporium effectively degraded lignocellulose, formed humus and reduced active lead ions, even at the concentration of 400 mg/kg dry mass of lead. The highest lignocellulose degradation (56.8%) and organic matter loss (64.0%) were found at the concentration of 30 mg/kg of lead, and at low concentration of lead the capability of selective lignin biodegradation was enhanced. Microbial growth was delayed in polluted substrate at the initial stage of fermentation, and organic matter loss is correlated positively with microbial biomass after 12 day fermentation. It might be because Phanerochaete chrysosporium developed active defense mechanism to alleviate the lead toxicity. Scanning electron micrographs with energy spectra showed that lead was immobilized via two possible routes: adsorption and cation exchange on hypha, and the chelation by fungal metabolite. The present findings will improve the understandings about the degradation process and the lead immobilization pathway, which could be used as references for developing a fungi-based treatment technology for metal-contaminated lignocellulosic waste.
DOI: 10.1021/es800072c
PubMed: 18678031
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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last="Su">Feng-Feng Su</name></author><author><name sortKey="Zhang, Yu" sort="Zhang, Yu" uniqKey="Zhang Y" first="Yu" last="Zhang">Yu Zhang</name></author><author><name sortKey="Zeng, Wei" sort="Zeng, Wei" uniqKey="Zeng W" first="Wei" last="Zeng">Wei Zeng</name></author><author><name sortKey="Liu, Hong Liang" sort="Liu, Hong Liang" uniqKey="Liu H" first="Hong-Liang" last="Liu">Hong-Liang Liu</name></author></analytic><series><title level="j">Environmental science & technology</title><idno type="ISSN">0013-936X</idno><imprint><date when="2008" type="published">2008</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adsorption (MeSH)</term><term>Analysis of Variance (MeSH)</term><term>Biodegradation, Environmental (MeSH)</term><term>Environmental Pollutants (metabolism)</term><term>Environmental Pollutants (toxicity)</term><term>Fermentation (MeSH)</term><term>Lead (metabolism)</term><term>Lead (toxicity)</term><term>Lignin (metabolism)</term><term>Microscopy, Electron, Scanning (MeSH)</term><term>Phanerochaete (metabolism)</term><term>Phanerochaete (ultrastructure)</term><term>Refuse Disposal (methods)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adsorption (MeSH)</term><term>Analyse de variance (MeSH)</term><term>Dépollution biologique de l'environnement (MeSH)</term><term>Fermentation (MeSH)</term><term>Lignine (métabolisme)</term><term>Microscopie électronique à balayage (MeSH)</term><term>Phanerochaete (métabolisme)</term><term>Phanerochaete (ultrastructure)</term><term>Plomb (métabolisme)</term><term>Plomb (toxicité)</term><term>Polluants environnementaux (métabolisme)</term><term>Polluants environnementaux (toxicité)</term><term>Élimination des déchets (méthodes)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Environmental Pollutants</term><term>Lead</term><term>Lignin</term></keywords><keywords scheme="MESH" type="chemical" qualifier="toxicity" xml:lang="en"><term>Environmental Pollutants</term><term>Lead</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Phanerochaete</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Refuse Disposal</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Lignine</term><term>Phanerochaete</term><term>Plomb</term><term>Polluants environnementaux</term></keywords><keywords scheme="MESH" qualifier="méthodes" xml:lang="fr"><term>Élimination des déchets</term></keywords><keywords scheme="MESH" qualifier="toxicité" xml:lang="fr"><term>Plomb</term><term>Polluants environnementaux</term></keywords><keywords scheme="MESH" qualifier="ultrastructure" xml:lang="en"><term>Phanerochaete</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adsorption</term><term>Analysis of Variance</term><term>Biodegradation, 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The degradation of lead-polluted lignocellulosic waste and the restrain of lead hazards by solid-state fermentation with Phanerochaete chrysosporium were studied. Phanerochaete chrysosporium effectively degraded lignocellulose, formed humus and reduced active lead ions, even at the concentration of 400 mg/kg dry mass of lead. The highest lignocellulose degradation (56.8%) and organic matter loss (64.0%) were found at the concentration of 30 mg/kg of lead, and at low concentration of lead the capability of selective lignin biodegradation was enhanced. Microbial growth was delayed in polluted substrate at the initial stage of fermentation, and organic matter loss is correlated positively with microbial biomass after 12 day fermentation. It might be because Phanerochaete chrysosporium developed active defense mechanism to alleviate the lead toxicity. Scanning electron micrographs with energy spectra showed that lead was immobilized via two possible routes: adsorption and cation exchange on hypha, and the chelation by fungal metabolite. The present findings will improve the understandings about the degradation process and the lead immobilization pathway, which could be used as references for developing a fungi-based treatment technology for metal-contaminated lignocellulosic waste.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">18678031</PMID><DateCompleted><Year>2008</Year><Month>10</Month><Day>09</Day></DateCompleted><DateRevised><Year>2019</Year><Month>07</Month><Day>15</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0013-936X</ISSN><JournalIssue CitedMedium="Print"><Volume>42</Volume><Issue>13</Issue><PubDate><Year>2008</Year><Month>Jul</Month><Day>01</Day></PubDate></JournalIssue><Title>Environmental science & technology</Title><ISOAbbreviation>Environ Sci Technol</ISOAbbreviation></Journal><ArticleTitle>Degradation of lead-contaminated lignocellulosic waste by Phanerochaete chrysosporium and the reduction of lead toxicity.</ArticleTitle><Pagination><MedlinePgn>4946-51</MedlinePgn></Pagination><Abstract><AbstractText>Lead, as one of the most hazardous heavy metals to the environment interferes with lignocellulosic biomass bioconversion and carbon cycles in nature. The degradation of lead-polluted lignocellulosic waste and the restrain of lead hazards by solid-state fermentation with Phanerochaete chrysosporium were studied. Phanerochaete chrysosporium effectively degraded lignocellulose, formed humus and reduced active lead ions, even at the concentration of 400 mg/kg dry mass of lead. The highest lignocellulose degradation (56.8%) and organic matter loss (64.0%) were found at the concentration of 30 mg/kg of lead, and at low concentration of lead the capability of selective lignin biodegradation was enhanced. Microbial growth was delayed in polluted substrate at the initial stage of fermentation, and organic matter loss is correlated positively with microbial biomass after 12 day fermentation. It might be because Phanerochaete chrysosporium developed active defense mechanism to alleviate the lead toxicity. Scanning electron micrographs with energy spectra showed that lead was immobilized via two possible routes: adsorption and cation exchange on hypha, and the chelation by fungal metabolite. The present findings will improve the understandings about the degradation process and the lead immobilization pathway, which could be used as references for developing a fungi-based treatment technology for metal-contaminated lignocellulosic waste.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Huang</LastName><ForeName>Dan-Lian</ForeName><Initials>DL</Initials><AffiliationInfo><Affiliation>College of Environmental Science and Engineering, Hunan University, Changsha 410082, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zeng</LastName><ForeName>Guang-Ming</ForeName><Initials>GM</Initials></Author><Author ValidYN="Y"><LastName>Feng</LastName><ForeName>Chong-Ling</ForeName><Initials>CL</Initials></Author><Author ValidYN="Y"><LastName>Hu</LastName><ForeName>Shuang</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Jiang</LastName><ForeName>Xiao-Yun</ForeName><Initials>XY</Initials></Author><Author 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MajorTopicYN="N">Phanerochaete</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName><QualifierName UI="Q000648" MajorTopicYN="N">ultrastructure</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012037" MajorTopicYN="N">Refuse Disposal</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="Y">methods</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2008</Year><Month>8</Month><Day>6</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2008</Year><Month>10</Month><Day>10</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2008</Year><Month>8</Month><Day>6</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">18678031</ArticleId><ArticleId IdType="doi">10.1021/es800072c</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><noCountry><name sortKey="Feng, Chong Ling" sort="Feng, Chong Ling" uniqKey="Feng C" first="Chong-Ling" last="Feng">Chong-Ling Feng</name><name sortKey="Hu, Shuang" sort="Hu, Shuang" uniqKey="Hu S" first="Shuang" last="Hu">Shuang Hu</name><name sortKey="Jiang, Xiao Yun" sort="Jiang, Xiao Yun" uniqKey="Jiang X" first="Xiao-Yun" last="Jiang">Xiao-Yun Jiang</name><name sortKey="Liu, Hong Liang" sort="Liu, Hong Liang" uniqKey="Liu H" first="Hong-Liang" last="Liu">Hong-Liang Liu</name><name sortKey="Su, Feng Feng" sort="Su, Feng Feng" uniqKey="Su F" first="Feng-Feng" last="Su">Feng-Feng Su</name><name sortKey="Tang, Lin" sort="Tang, Lin" uniqKey="Tang L" first="Lin" last="Tang">Lin Tang</name><name sortKey="Zeng, Guang Ming" sort="Zeng, Guang Ming" uniqKey="Zeng G" first="Guang-Ming" last="Zeng">Guang-Ming Zeng</name><name sortKey="Zeng, Wei" sort="Zeng, Wei" uniqKey="Zeng W" first="Wei" last="Zeng">Wei Zeng</name><name sortKey="Zhang, Yu" sort="Zhang, Yu" uniqKey="Zhang Y" first="Yu" last="Zhang">Yu Zhang</name></noCountry><country name="République populaire de Chine"><noRegion><name sortKey="Huang, Dan Lian" sort="Huang, Dan Lian" uniqKey="Huang D" first="Dan-Lian" last="Huang">Dan-Lian Huang</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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