Lead uptake increases drought tolerance of wild type and transgenic poplar (Populus tremula x P. alba) overexpressing gsh 1.
Identifieur interne : 001795 ( Main/Exploration ); précédent : 001794; suivant : 001796Lead uptake increases drought tolerance of wild type and transgenic poplar (Populus tremula x P. alba) overexpressing gsh 1.
Auteurs : Sladjana Samuilov [Allemagne] ; Friedericke Lang [Allemagne] ; Matilda Djukic [Serbie] ; Danijela Djunisijevic-Bojovic [Serbie] ; Heinz Rennenberg [Arabie saoudite]Source :
- Environmental pollution (Barking, Essex : 1987) [ 1873-6424 ] ; 2016.
Descripteurs français
- KwdFr :
- Adaptation physiologique (MeSH), Biomasse (MeSH), Dépollution biologique de l'environnement (MeSH), Eau (métabolisme), Feuilles de plante (croissance et développement), Glutathion (MeSH), Métaux lourds (composition chimique), Métaux lourds (métabolisme), Métaux lourds (pharmacologie), Plomb (composition chimique), Plomb (métabolisme), Polluants du sol (composition chimique), Polluants du sol (métabolisme), Polluants du sol (pharmacologie), Populus (génétique), Populus (métabolisme), Racines de plante (croissance et développement), Sol (composition chimique), Sécheresses (MeSH), Végétaux génétiquement modifiés (MeSH).
- MESH :
- composition chimique : Métaux lourds, Plomb, Polluants du sol, Sol.
- croissance et développement : Feuilles de plante, Racines de plante.
- génétique : Populus.
- métabolisme : Eau, Métaux lourds, Plomb, Polluants du sol, Populus.
- pharmacologie : Métaux lourds, Polluants du sol.
- Adaptation physiologique, Biomasse, Dépollution biologique de l'environnement, Glutathion, Sécheresses, Végétaux génétiquement modifiés.
English descriptors
- KwdEn :
- Adaptation, Physiological (MeSH), Biodegradation, Environmental (MeSH), Biomass (MeSH), Droughts (MeSH), Glutathione (MeSH), Lead (chemistry), Lead (metabolism), Metals, Heavy (chemistry), Metals, Heavy (metabolism), Metals, Heavy (pharmacology), Plant Leaves (growth & development), Plant Roots (growth & development), Plants, Genetically Modified (MeSH), Populus (genetics), Populus (metabolism), Soil (chemistry), Soil Pollutants (chemistry), Soil Pollutants (metabolism), Soil Pollutants (pharmacology), Water (metabolism).
- MESH :
- chemical , chemistry : Lead, Metals, Heavy, Soil, Soil Pollutants.
- chemical , metabolism : Lead, Metals, Heavy, Soil Pollutants, Water.
- chemical , pharmacology : Metals, Heavy, Soil Pollutants.
- chemical : Glutathione.
- genetics : Populus.
- growth & development : Plant Leaves, Plant Roots.
- metabolism : Populus.
- Adaptation, Physiological, Biodegradation, Environmental, Biomass, Droughts, Plants, Genetically Modified.
Abstract
Growth and development of plants largely depends on their adaptation ability in a changing climate. This is particularly true on heavy metal contaminated soils, but the interaction of heavy metal stress and climate on plant performance has not been intensively investigated. The aim of the present study was to elucidate if transgenic poplars (Populus tremula x P. alba) with enhanced glutathione content possess an enhanced tolerance to drought and lead (Pb) exposure (single and in combination) and if they are good candidates for phytoremediation of Pb contaminated soil. Lead exposure reduced growth and biomass accumulation only in above-ground tissue of wild type poplar, although most of lead accumulated in the roots. Drought caused a decline of the water content rather than reduced biomass production, while Pb counteracted this decline in the combined exposure. Apparently, metals such as Pb possess a protective function against drought, because they interact with abscisic acid dependent stomatal closure. Lead exposure decreased while drought increased glutathione content in leaves of both plant types. Lead accumulation was higher in the roots of transgenic plants, presumably as a result of chelation by glutathione. Water deprivation enhanced Pb accumulation in the roots, but Pb was subject to leakage out of the roots after re-watering. Transgenic plants showed better adaptation under mild drought plus Pb exposure partially due to improved glutathione synthesis. However, the transgenic plants cannot be considered as a good candidate for phytoremediation of Pb, due to its small translocation to the shoots and its leakage out of the roots upon re-watering.
DOI: 10.1016/j.envpol.2016.06.047
PubMed: 27396669
Affiliations:
- Allemagne, Arabie saoudite, Serbie
- Bade-Wurtemberg, District de Fribourg-en-Brisgau
- Fribourg-en-Brisgau
Links toward previous steps (curation, corpus...)
Le document en format XML
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This is particularly true on heavy metal contaminated soils, but the interaction of heavy metal stress and climate on plant performance has not been intensively investigated. The aim of the present study was to elucidate if transgenic poplars (Populus tremula x P. alba) with enhanced glutathione content possess an enhanced tolerance to drought and lead (Pb) exposure (single and in combination) and if they are good candidates for phytoremediation of Pb contaminated soil. Lead exposure reduced growth and biomass accumulation only in above-ground tissue of wild type poplar, although most of lead accumulated in the roots. Drought caused a decline of the water content rather than reduced biomass production, while Pb counteracted this decline in the combined exposure. Apparently, metals such as Pb possess a protective function against drought, because they interact with abscisic acid dependent stomatal closure. Lead exposure decreased while drought increased glutathione content in leaves of both plant types. Lead accumulation was higher in the roots of transgenic plants, presumably as a result of chelation by glutathione. Water deprivation enhanced Pb accumulation in the roots, but Pb was subject to leakage out of the roots after re-watering. Transgenic plants showed better adaptation under mild drought plus Pb exposure partially due to improved glutathione synthesis. However, the transgenic plants cannot be considered as a good candidate for phytoremediation of Pb, due to its small translocation to the shoots and its leakage out of the roots upon re-watering. </div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Curated" Owner="NLM"><PMID Version="1">27396669</PMID><DateCompleted><Year>2017</Year><Month>01</Month><Day>06</Day></DateCompleted><DateRevised><Year>2018</Year><Month>12</Month><Day>02</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1873-6424</ISSN><JournalIssue CitedMedium="Internet"><Volume>216</Volume><PubDate><Year>2016</Year><Month>Sep</Month></PubDate></JournalIssue><Title>Environmental pollution (Barking, Essex : 1987)</Title><ISOAbbreviation>Environ Pollut</ISOAbbreviation></Journal><ArticleTitle>Lead uptake increases drought tolerance of wild type and transgenic poplar (Populus tremula x P. alba) overexpressing gsh 1.</ArticleTitle><Pagination><MedlinePgn>773-785</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0269-7491(16)30535-8</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.envpol.2016.06.047</ELocationID><Abstract><AbstractText>Growth and development of plants largely depends on their adaptation ability in a changing climate. This is particularly true on heavy metal contaminated soils, but the interaction of heavy metal stress and climate on plant performance has not been intensively investigated. The aim of the present study was to elucidate if transgenic poplars (Populus tremula x P. alba) with enhanced glutathione content possess an enhanced tolerance to drought and lead (Pb) exposure (single and in combination) and if they are good candidates for phytoremediation of Pb contaminated soil. Lead exposure reduced growth and biomass accumulation only in above-ground tissue of wild type poplar, although most of lead accumulated in the roots. Drought caused a decline of the water content rather than reduced biomass production, while Pb counteracted this decline in the combined exposure. Apparently, metals such as Pb possess a protective function against drought, because they interact with abscisic acid dependent stomatal closure. Lead exposure decreased while drought increased glutathione content in leaves of both plant types. Lead accumulation was higher in the roots of transgenic plants, presumably as a result of chelation by glutathione. Water deprivation enhanced Pb accumulation in the roots, but Pb was subject to leakage out of the roots after re-watering. Transgenic plants showed better adaptation under mild drought plus Pb exposure partially due to improved glutathione synthesis. However, the transgenic plants cannot be considered as a good candidate for phytoremediation of Pb, due to its small translocation to the shoots and its leakage out of the roots upon re-watering. </AbstractText><CopyrightInformation>Copyright © 2016 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Samuilov</LastName><ForeName>Sladjana</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>Chair of Tree Physiology, Faculty of Environment and Natural Resources, University of Freiburg, Georges-Koehler-Allee 53, 79110 Freiburg, Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lang</LastName><ForeName>Friedericke</ForeName><Initials>F</Initials><AffiliationInfo><Affiliation>Chair of Soil Ecology, Faculty of Environment and Natural Resources, University of Freiburg, Bertoldstr. 17, 79098 Freiburg, Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Djukic</LastName><ForeName>Matilda</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Chair of Landscape Horticulture, Faculty of Forestry, University of Belgrade, Kneza Višeslava 1, 11000 Belgrade, Serbia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Djunisijevic-Bojovic</LastName><ForeName>Danijela</ForeName><Initials>D</Initials><AffiliationInfo><Affiliation>Chair of Landscape Horticulture, Faculty of Forestry, University of Belgrade, Kneza Višeslava 1, 11000 Belgrade, Serbia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Rennenberg</LastName><ForeName>Heinz</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Chair of Tree Physiology, Faculty of Environment and Natural Resources, University of Freiburg, Georges-Koehler-Allee 53, 79110 Freiburg, Germany; King Saud University, P.O. Box 2454, Riyadh 11451, Saudi Arabia.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2016</Year><Month>07</Month><Day>05</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Environ Pollut</MedlineTA><NlmUniqueID>8804476</NlmUniqueID><ISSNLinking>0269-7491</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D019216">Metals, Heavy</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012987">Soil</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012989">Soil Pollutants</NameOfSubstance></Chemical><Chemical><RegistryNumber>059QF0KO0R</RegistryNumber><NameOfSubstance UI="D014867">Water</NameOfSubstance></Chemical><Chemical><RegistryNumber>2P299V784P</RegistryNumber><NameOfSubstance UI="D007854">Lead</NameOfSubstance></Chemical><Chemical><RegistryNumber>GAN16C9B8O</RegistryNumber><NameOfSubstance UI="D005978">Glutathione</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000222" MajorTopicYN="N">Adaptation, Physiological</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D001673" MajorTopicYN="N">Biodegradation, Environmental</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018533" MajorTopicYN="N">Biomass</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D055864" MajorTopicYN="Y">Droughts</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005978" MajorTopicYN="N">Glutathione</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007854" MajorTopicYN="N">Lead</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D019216" MajorTopicYN="N">Metals, Heavy</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000494" MajorTopicYN="N">pharmacology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D030821" MajorTopicYN="N">Plants, Genetically Modified</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012987" MajorTopicYN="N">Soil</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012989" MajorTopicYN="N">Soil Pollutants</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000494" MajorTopicYN="Y">pharmacology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014867" MajorTopicYN="N">Water</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Glutathione</Keyword><Keyword MajorTopicYN="N">Pb</Keyword><Keyword MajorTopicYN="N">Phytoremediation</Keyword><Keyword MajorTopicYN="N">ROS</Keyword><Keyword MajorTopicYN="N">Re-watering</Keyword><Keyword MajorTopicYN="N">Water deprivation</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2016</Year><Month>03</Month><Day>28</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2016</Year><Month>06</Month><Day>15</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2016</Year><Month>06</Month><Day>21</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2016</Year><Month>7</Month><Day>12</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2016</Year><Month>7</Month><Day>12</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2017</Year><Month>1</Month><Day>7</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">27396669</ArticleId><ArticleId IdType="pii">S0269-7491(16)30535-8</ArticleId><ArticleId IdType="doi">10.1016/j.envpol.2016.06.047</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Allemagne</li><li>Arabie saoudite</li><li>Serbie</li></country><region><li>Bade-Wurtemberg</li><li>District de Fribourg-en-Brisgau</li></region><settlement><li>Fribourg-en-Brisgau</li></settlement></list><tree><country name="Allemagne"><region name="Bade-Wurtemberg"><name sortKey="Samuilov, Sladjana" sort="Samuilov, Sladjana" uniqKey="Samuilov S" first="Sladjana" last="Samuilov">Sladjana Samuilov</name></region><name sortKey="Lang, Friedericke" sort="Lang, Friedericke" uniqKey="Lang F" first="Friedericke" last="Lang">Friedericke Lang</name></country><country name="Serbie"><noRegion><name sortKey="Djukic, Matilda" sort="Djukic, Matilda" uniqKey="Djukic M" first="Matilda" last="Djukic">Matilda Djukic</name></noRegion><name sortKey="Djunisijevic Bojovic, Danijela" sort="Djunisijevic Bojovic, Danijela" uniqKey="Djunisijevic Bojovic D" first="Danijela" last="Djunisijevic-Bojovic">Danijela Djunisijevic-Bojovic</name></country><country name="Arabie saoudite"><noRegion><name sortKey="Rennenberg, Heinz" sort="Rennenberg, Heinz" uniqKey="Rennenberg H" first="Heinz" last="Rennenberg">Heinz Rennenberg</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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