Evidence of perchlorate (ClO4-) reduction in plant tissues (poplar tree) using radio-labeled 36ClO4-.
Identifieur interne : 004589 ( Main/Exploration ); précédent : 004588; suivant : 004590Evidence of perchlorate (ClO4-) reduction in plant tissues (poplar tree) using radio-labeled 36ClO4-.
Auteurs : Benoit Van Aken [États-Unis] ; Jerald L. SchnoorSource :
- Environmental science & technology [ 0013-936X ] ; 2002.
Descripteurs français
- KwdFr :
- Chlore (analyse), Composés du sodium (métabolisme), Composés du sodium (pharmacocinétique), Dépollution biologique de l'environnement (MeSH), Feuilles de plante (composition chimique), Isotopes (analyse), Perchlorates (métabolisme), Perchlorates (pharmacocinétique), Pollution de l'environnement (prévention et contrôle), Populus (composition chimique), Populus (physiologie), Techniques de culture (MeSH).
- MESH :
- analyse : Chlore, Isotopes.
- composition chimique : Feuilles de plante, Populus.
- métabolisme : Composés du sodium, Perchlorates.
- pharmacocinétique : Composés du sodium, Perchlorates.
- physiologie : Populus.
- prévention et contrôle : Pollution de l'environnement.
- Dépollution biologique de l'environnement, Techniques de culture.
English descriptors
- KwdEn :
- Biodegradation, Environmental (MeSH), Chlorine (analysis), Culture Techniques (MeSH), Environmental Pollution (prevention & control), Isotopes (analysis), Perchlorates (metabolism), Perchlorates (pharmacokinetics), Plant Leaves (chemistry), Populus (chemistry), Populus (physiology), Sodium Compounds (metabolism), Sodium Compounds (pharmacokinetics).
- MESH :
- chemical , analysis : Chlorine, Isotopes.
- chemical , metabolism : Perchlorates, Sodium Compounds.
- chemical , pharmacokinetics : Perchlorates, Sodium Compounds.
- chemistry : Plant Leaves, Populus.
- physiology : Populus.
- prevention & control : Environmental Pollution.
- Biodegradation, Environmental, Culture Techniques.
Abstract
Phytoremediation of perchlorate (ClO4) by poplar trees Populus deltoidex nigrawas investigated using small cuttings growing in hydroponic Hoagland solution and plant tissue cultures, consisting of spherical photosynthetic cell aggregates (i.e. nodules) developing in Murashige and Skoog culture medium. Both plants and nodules were grown under a 16 h/8 h photoperiod cycle and under sterile conditions. Degradation experiments, performed by the incubation of pregrown plants and nodules in the presence of 36Cl radio-labeled ClO4- (25 mg L(-1)), showed a reduction of the initial ClO4- concentration in the solution of about 50% after 30 d of incubation. Analysis of the distribution of radioactivity in different plant fractions indicated that 27.4% of the total was translocated to the leaves, while 66.9% remained in the solution. Very little radioactivity (less than 3.0%) was detected in the other parts of the plants. 32.0% of the radioactivity recovered in the solution was shown to consist of 36Cl- and 68.0% of nontransformed 36ClO4-. The radioactivity recovered in the leaf extracts was distributed as chloride (36Cl-) (1.6% of the total), chlorite (36ClO2-) (2.4%), chlorate (36ClO3-) (4.8%), nontransformed 36ClO4- (21.6%), and an unidentified organic compound (1.4%). The radioactivity recovered in the solution containing submerged nodules consisted of 36Cl- (6.4% of the total), 36ClO3- (1.3%), and nontransformed 36ClO4- (51.5%). Radioactivity detected in the nodule extracts was distributed as 36Cl- (2.0% of the total), 36ClO2- (5.2%), 36ClO3- (6.4%), 36ClO4- (22.7%), and an unidentified organic compound (0.5%). These results provide evidence of perchlorate reduction inside poplar tree tissues. 36ClO4- is partially reduced to 36ClO3-, 36ClO2-, and 36Cl-.
DOI: 10.1021/es020560t
PubMed: 12099480
Affiliations:
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Schnoor</name></author></analytic><series><title level="j">Environmental science & technology</title><idno type="ISSN">0013-936X</idno><imprint><date when="2002" type="published">2002</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biodegradation, Environmental (MeSH)</term><term>Chlorine (analysis)</term><term>Culture Techniques (MeSH)</term><term>Environmental Pollution (prevention & control)</term><term>Isotopes (analysis)</term><term>Perchlorates (metabolism)</term><term>Perchlorates (pharmacokinetics)</term><term>Plant Leaves (chemistry)</term><term>Populus (chemistry)</term><term>Populus (physiology)</term><term>Sodium Compounds (metabolism)</term><term>Sodium Compounds (pharmacokinetics)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Chlore (analyse)</term><term>Composés du sodium (métabolisme)</term><term>Composés du sodium (pharmacocinétique)</term><term>Dépollution biologique de l'environnement (MeSH)</term><term>Feuilles de plante (composition chimique)</term><term>Isotopes (analyse)</term><term>Perchlorates (métabolisme)</term><term>Perchlorates (pharmacocinétique)</term><term>Pollution de l'environnement (prévention et contrôle)</term><term>Populus (composition chimique)</term><term>Populus (physiologie)</term><term>Techniques de culture (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Chlorine</term><term>Isotopes</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Perchlorates</term><term>Sodium Compounds</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacokinetics" xml:lang="en"><term>Perchlorates</term><term>Sodium Compounds</term></keywords><keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Chlore</term><term>Isotopes</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Plant Leaves</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Feuilles de plante</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Composés du sodium</term><term>Perchlorates</term></keywords><keywords scheme="MESH" qualifier="pharmacocinétique" xml:lang="fr"><term>Composés du sodium</term><term>Perchlorates</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="prevention & control" xml:lang="en"><term>Environmental Pollution</term></keywords><keywords scheme="MESH" qualifier="prévention et contrôle" xml:lang="fr"><term>Pollution de l'environnement</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biodegradation, Environmental</term><term>Culture Techniques</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Dépollution biologique de l'environnement</term><term>Techniques de culture</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Phytoremediation of perchlorate (ClO4) by poplar trees Populus deltoidex nigrawas investigated using small cuttings growing in hydroponic Hoagland solution and plant tissue cultures, consisting of spherical photosynthetic cell aggregates (i.e. nodules) developing in Murashige and Skoog culture medium. Both plants and nodules were grown under a 16 h/8 h photoperiod cycle and under sterile conditions. Degradation experiments, performed by the incubation of pregrown plants and nodules in the presence of 36Cl radio-labeled ClO4- (25 mg L(-1)), showed a reduction of the initial ClO4- concentration in the solution of about 50% after 30 d of incubation. Analysis of the distribution of radioactivity in different plant fractions indicated that 27.4% of the total was translocated to the leaves, while 66.9% remained in the solution. Very little radioactivity (less than 3.0%) was detected in the other parts of the plants. 32.0% of the radioactivity recovered in the solution was shown to consist of 36Cl- and 68.0% of nontransformed 36ClO4-. The radioactivity recovered in the leaf extracts was distributed as chloride (36Cl-) (1.6% of the total), chlorite (36ClO2-) (2.4%), chlorate (36ClO3-) (4.8%), nontransformed 36ClO4- (21.6%), and an unidentified organic compound (1.4%). The radioactivity recovered in the solution containing submerged nodules consisted of 36Cl- (6.4% of the total), 36ClO3- (1.3%), and nontransformed 36ClO4- (51.5%). Radioactivity detected in the nodule extracts was distributed as 36Cl- (2.0% of the total), 36ClO2- (5.2%), 36ClO3- (6.4%), 36ClO4- (22.7%), and an unidentified organic compound (0.5%). These results provide evidence of perchlorate reduction inside poplar tree tissues. 36ClO4- is partially reduced to 36ClO3-, 36ClO2-, and 36Cl-.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">12099480</PMID><DateCompleted><Year>2002</Year><Month>12</Month><Day>17</Day></DateCompleted><DateRevised><Year>2019</Year><Month>07</Month><Day>14</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0013-936X</ISSN><JournalIssue CitedMedium="Print"><Volume>36</Volume><Issue>12</Issue><PubDate><Year>2002</Year><Month>Jun</Month><Day>15</Day></PubDate></JournalIssue><Title>Environmental science & technology</Title><ISOAbbreviation>Environ Sci Technol</ISOAbbreviation></Journal><ArticleTitle>Evidence of perchlorate (ClO4-) reduction in plant tissues (poplar tree) using radio-labeled 36ClO4-.</ArticleTitle><Pagination><MedlinePgn>2783-8</MedlinePgn></Pagination><Abstract><AbstractText>Phytoremediation of perchlorate (ClO4) by poplar trees Populus deltoidex nigrawas investigated using small cuttings growing in hydroponic Hoagland solution and plant tissue cultures, consisting of spherical photosynthetic cell aggregates (i.e. nodules) developing in Murashige and Skoog culture medium. Both plants and nodules were grown under a 16 h/8 h photoperiod cycle and under sterile conditions. Degradation experiments, performed by the incubation of pregrown plants and nodules in the presence of 36Cl radio-labeled ClO4- (25 mg L(-1)), showed a reduction of the initial ClO4- concentration in the solution of about 50% after 30 d of incubation. Analysis of the distribution of radioactivity in different plant fractions indicated that 27.4% of the total was translocated to the leaves, while 66.9% remained in the solution. Very little radioactivity (less than 3.0%) was detected in the other parts of the plants. 32.0% of the radioactivity recovered in the solution was shown to consist of 36Cl- and 68.0% of nontransformed 36ClO4-. The radioactivity recovered in the leaf extracts was distributed as chloride (36Cl-) (1.6% of the total), chlorite (36ClO2-) (2.4%), chlorate (36ClO3-) (4.8%), nontransformed 36ClO4- (21.6%), and an unidentified organic compound (1.4%). The radioactivity recovered in the solution containing submerged nodules consisted of 36Cl- (6.4% of the total), 36ClO3- (1.3%), and nontransformed 36ClO4- (51.5%). Radioactivity detected in the nodule extracts was distributed as 36Cl- (2.0% of the total), 36ClO2- (5.2%), 36ClO3- (6.4%), 36ClO4- (22.7%), and an unidentified organic compound (0.5%). These results provide evidence of perchlorate reduction inside poplar tree tissues. 36ClO4- is partially reduced to 36ClO3-, 36ClO2-, and 36Cl-.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>van Aken</LastName><ForeName>Benoit</ForeName><Initials>B</Initials><AffiliationInfo><Affiliation>Department of Civil and Environmental Engineering, The University of Iowa, Iowa City 52242, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Schnoor</LastName><ForeName>Jerald L</ForeName><Initials>JL</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Environ Sci Technol</MedlineTA><NlmUniqueID>0213155</NlmUniqueID><ISSNLinking>0013-936X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D007554">Isotopes</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010472">Perchlorates</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D017670">Sodium Compounds</NameOfSubstance></Chemical><Chemical><RegistryNumber>4R7X1O2820</RegistryNumber><NameOfSubstance UI="D002713">Chlorine</NameOfSubstance></Chemical><Chemical><RegistryNumber>97F4MTY3VA</RegistryNumber><NameOfSubstance UI="C031068">sodium perchlorate</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001673" MajorTopicYN="N">Biodegradation, Environmental</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002713" MajorTopicYN="N">Chlorine</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="Y">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D046508" MajorTopicYN="N">Culture Techniques</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D004787" MajorTopicYN="N">Environmental Pollution</DescriptorName><QualifierName UI="Q000517" MajorTopicYN="N">prevention & control</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D007554" MajorTopicYN="N">Isotopes</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010472" MajorTopicYN="N">Perchlorates</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000493" MajorTopicYN="Y">pharmacokinetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D017670" MajorTopicYN="N">Sodium Compounds</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000493" MajorTopicYN="Y">pharmacokinetics</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2002</Year><Month>7</Month><Day>9</Day><Hour>10</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2002</Year><Month>12</Month><Day>18</Day><Hour>4</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2002</Year><Month>7</Month><Day>9</Day><Hour>10</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">12099480</ArticleId><ArticleId IdType="doi">10.1021/es020560t</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Iowa</li></region><settlement><li>Iowa City</li></settlement><orgName><li>Université de l'Iowa</li></orgName></list><tree><noCountry><name sortKey="Schnoor, Jerald L" sort="Schnoor, Jerald L" uniqKey="Schnoor J" first="Jerald L" last="Schnoor">Jerald L. Schnoor</name></noCountry><country name="États-Unis"><region name="Iowa"><name sortKey="Van Aken, Benoit" sort="Van Aken, Benoit" uniqKey="Van Aken B" first="Benoit" last="Van Aken">Benoit Van Aken</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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