Compartmentation of metals in foliage of Populus tremula grown on soils with mixed contamination. I. From the tree crown to leaf cell level.
Identifieur interne : 002F45 ( Main/Exploration ); précédent : 002F44; suivant : 002F46Compartmentation of metals in foliage of Populus tremula grown on soils with mixed contamination. I. From the tree crown to leaf cell level.
Auteurs : Pierre Vollenweider [Suisse] ; Terry Menard [Suisse] ; Madeleine S. Günthardt-Goerg [Suisse]Source :
- Environmental pollution (Barking, Essex : 1987) [ 1873-6424 ] ; 2011.
Descripteurs français
- KwdFr :
- MESH :
- métabolisme : Cuivre, Feuilles de plante, Métaux, Plomb, Polluants du sol, Populus, Zinc.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Copper, Lead, Metals, Soil Pollutants, Zinc.
- metabolism : Plant Leaves, Populus.
Abstract
In order to achieve efficient phytoextraction of heavy metals using trees, the metal allocation to aboveground tissues needs to be characterised. In his study, the distribution of heavy metals, macro- and micronutrients and the metal micro-localisation as a function of the leaf position and heavy metal treatment were analysed in poplars grown on soil with mixed metal contamination. Zinc was the most abundant contaminant in both soil and foliage and, together with cadmium, was preferentially accumulated in older foliage whereas excess copper and lead were not translocated. Changes in other element concentrations indicated an acceleration in aging as a consequence of the metal treatment. Excess zinc was irregularly accumulated inside leaf tissues, tended to saturate the veins and was more frequently stored in cell symplast than apoplast. Storage compartments including metabolically safe and sensitive subcellular sites resulted in sizable metal accumulation as well as stress reactions.
DOI: 10.1016/j.envpol.2010.07.013
PubMed: 20822838
Affiliations:
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Günthardt-Goerg</name><affiliation wicri:level="1"><nlm:affiliation>Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zürcherstrasse 111, 8903 Birmensdorf, Switzerland.</nlm:affiliation><country xml:lang="fr">Suisse</country><wicri:regionArea>Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zürcherstrasse 111, 8903 Birmensdorf</wicri:regionArea><wicri:noRegion>8903 Birmensdorf</wicri:noRegion></affiliation></author></analytic><series><title level="j">Environmental pollution (Barking, Essex : 1987)</title><idno type="eISSN">1873-6424</idno><imprint><date when="2011" type="published">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Copper (metabolism)</term><term>Lead (metabolism)</term><term>Metals (metabolism)</term><term>Plant Leaves (metabolism)</term><term>Populus (metabolism)</term><term>Soil Pollutants (metabolism)</term><term>Zinc (metabolism)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Cuivre (métabolisme)</term><term>Feuilles de plante (métabolisme)</term><term>Métaux (métabolisme)</term><term>Plomb (métabolisme)</term><term>Polluants du sol (métabolisme)</term><term>Populus (métabolisme)</term><term>Zinc (métabolisme)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Copper</term><term>Lead</term><term>Metals</term><term>Soil Pollutants</term><term>Zinc</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Plant Leaves</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Cuivre</term><term>Feuilles de plante</term><term>Métaux</term><term>Plomb</term><term>Polluants du sol</term><term>Populus</term><term>Zinc</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In order to achieve efficient phytoextraction of heavy metals using trees, the metal allocation to aboveground tissues needs to be characterised. In his study, the distribution of heavy metals, macro- and micronutrients and the metal micro-localisation as a function of the leaf position and heavy metal treatment were analysed in poplars grown on soil with mixed metal contamination. Zinc was the most abundant contaminant in both soil and foliage and, together with cadmium, was preferentially accumulated in older foliage whereas excess copper and lead were not translocated. Changes in other element concentrations indicated an acceleration in aging as a consequence of the metal treatment. Excess zinc was irregularly accumulated inside leaf tissues, tended to saturate the veins and was more frequently stored in cell symplast than apoplast. Storage compartments including metabolically safe and sensitive subcellular sites resulted in sizable metal accumulation as well as stress reactions.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">20822838</PMID><DateCompleted><Year>2011</Year><Month>03</Month><Day>01</Day></DateCompleted><DateRevised><Year>2018</Year><Month>03</Month><Day>16</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1873-6424</ISSN><JournalIssue CitedMedium="Internet"><Volume>159</Volume><Issue>1</Issue><PubDate><Year>2011</Year><Month>Jan</Month></PubDate></JournalIssue><Title>Environmental pollution (Barking, Essex : 1987)</Title><ISOAbbreviation>Environ Pollut</ISOAbbreviation></Journal><ArticleTitle>Compartmentation of metals in foliage of Populus tremula grown on soils with mixed contamination. I. 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Excess zinc was irregularly accumulated inside leaf tissues, tended to saturate the veins and was more frequently stored in cell symplast than apoplast. Storage compartments including metabolically safe and sensitive subcellular sites resulted in sizable metal accumulation as well as stress reactions.</AbstractText><CopyrightInformation>Copyright © 2010 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Vollenweider</LastName><ForeName>Pierre</ForeName><Initials>P</Initials><AffiliationInfo><Affiliation>Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zürcherstrasse 111, 8903 Birmensdorf, Switzerland. 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Günthardt-Goerg</name><name sortKey="Menard, Terry" sort="Menard, Terry" uniqKey="Menard T" first="Terry" last="Menard">Terry Menard</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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