Comparative study of metal resistance and accumulation of lead and zinc in two poplars.
Identifieur interne : 002318 ( Main/Exploration ); précédent : 002317; suivant : 002319Comparative study of metal resistance and accumulation of lead and zinc in two poplars.
Auteurs : Lianghua Chen [République populaire de Chine] ; Shun Gao ; Peng Zhu ; Yang Liu ; Tingxing Hu ; Jian ZhangSource :
- Physiologia plantarum [ 1399-3054 ] ; 2014.
Descripteurs français
- KwdFr :
- Amidon (métabolisme), Biomasse (MeSH), Cellules du mésophylle (métabolisme), Cellules du mésophylle (ultrastructure), Chlorophylle (métabolisme), Isoenzymes (métabolisme), Plomb (métabolisme), Populus (enzymologie), Populus (métabolisme), Pousses de plante (métabolisme), Racines de plante (métabolisme), Superoxide dismutase (métabolisme), Superoxydes (métabolisme), Tiges de plante (métabolisme), Zinc (métabolisme).
- MESH :
- enzymologie : Populus.
- métabolisme : Amidon, Cellules du mésophylle, Chlorophylle, Isoenzymes, Plomb, Populus, Pousses de plante, Racines de plante, Superoxide dismutase, Superoxydes, Tiges de plante, Zinc.
- ultrastructure : Biomasse, Cellules du mésophylle.
English descriptors
- KwdEn :
- Biomass (MeSH), Chlorophyll (metabolism), Isoenzymes (metabolism), Lead (metabolism), Mesophyll Cells (metabolism), Mesophyll Cells (ultrastructure), Plant Roots (metabolism), Plant Shoots (metabolism), Plant Stems (metabolism), Populus (enzymology), Populus (metabolism), Starch (metabolism), Superoxide Dismutase (metabolism), Superoxides (metabolism), Zinc (metabolism).
- MESH :
- chemical , metabolism : Chlorophyll, Isoenzymes, Lead, Starch, Superoxide Dismutase, Superoxides, Zinc.
- enzymology : Populus.
- metabolism : Mesophyll Cells, Plant Roots, Plant Shoots, Plant Stems, Populus.
- ultrastructure : Mesophyll Cells.
- Biomass.
Abstract
In our study, we tested two poplars, Populus beijingensis and Populus cathayana, as model species for their potential for phytoremediation by measuring changes in biomass, pigments, superoxide radicals (O2(-)), cellular ultrastructure and their ability for O2(-) quenching and heavy metal accumulation when exposed to Pb, Zn and their interaction in a hydroponic system. Exposure to Pb did not cause a significant decrease in biomass in either P. beijingensis or P. cathayana. Correspondingly, no obvious impairment in cellular organelles was observed in either species, although the former species translocated a higher fraction of Pb to its shoots than the latter. In contrast, there were significant decreases in biomass and pigment content, and serious impairments in ultrastructure in both species when exposed to either Zn alone or to a combined treatment. Under such conditions, P. beijingensis showed smaller losses of biomass and pigments but a greater ability to quench O2(-) and maintained relatively intact cellular organelles compared with P. cathayana. Under the combined stress, there were no obvious additive effects on biomass, pigments or cellular impairment, whereas synergistic effects on metal absorption and accumulation in both species were observed when compared with exposure to either alone. Thus, the attribute of synergistic uptake and translocation in both species validates their potential to remediate soil contaminated by multiple metals. Moreover, our results indicated that P. beijingensis is a better potential candidate for phytoremediation than P. cathayana, due to its greater phytoremediation efficiency as well as its higher tolerance capacity.
DOI: 10.1111/ppl.12120
PubMed: 24164303
Affiliations:
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last="Liu">Yang Liu</name></author><author><name sortKey="Hu, Tingxing" sort="Hu, Tingxing" uniqKey="Hu T" first="Tingxing" last="Hu">Tingxing Hu</name></author><author><name sortKey="Zhang, Jian" sort="Zhang, Jian" uniqKey="Zhang J" first="Jian" last="Zhang">Jian Zhang</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2014">2014</date><idno type="RBID">pubmed:24164303</idno><idno type="pmid">24164303</idno><idno type="doi">10.1111/ppl.12120</idno><idno type="wicri:Area/Main/Corpus">002426</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">002426</idno><idno type="wicri:Area/Main/Curation">002426</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">002426</idno><idno type="wicri:Area/Main/Exploration">002426</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Comparative study of metal resistance and accumulation of lead and zinc in two poplars.</title><author><name sortKey="Chen, Lianghua" sort="Chen, Lianghua" uniqKey="Chen L" first="Lianghua" last="Chen">Lianghua Chen</name><affiliation wicri:level="1"><nlm:affiliation>Institute of Ecological Forestry, Sichuan Agricultural University, Chengdu 611130, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Institute of Ecological Forestry, Sichuan Agricultural University, Chengdu 611130</wicri:regionArea><wicri:noRegion>Chengdu 611130</wicri:noRegion></affiliation></author><author><name sortKey="Gao, Shun" sort="Gao, Shun" uniqKey="Gao S" first="Shun" last="Gao">Shun Gao</name></author><author><name sortKey="Zhu, Peng" sort="Zhu, Peng" uniqKey="Zhu P" first="Peng" last="Zhu">Peng Zhu</name></author><author><name sortKey="Liu, Yang" sort="Liu, Yang" uniqKey="Liu Y" first="Yang" last="Liu">Yang Liu</name></author><author><name sortKey="Hu, Tingxing" sort="Hu, Tingxing" uniqKey="Hu T" first="Tingxing" last="Hu">Tingxing Hu</name></author><author><name sortKey="Zhang, Jian" sort="Zhang, Jian" uniqKey="Zhang J" first="Jian" last="Zhang">Jian Zhang</name></author></analytic><series><title level="j">Physiologia plantarum</title><idno type="eISSN">1399-3054</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biomass (MeSH)</term><term>Chlorophyll (metabolism)</term><term>Isoenzymes (metabolism)</term><term>Lead (metabolism)</term><term>Mesophyll Cells (metabolism)</term><term>Mesophyll Cells (ultrastructure)</term><term>Plant Roots (metabolism)</term><term>Plant Shoots (metabolism)</term><term>Plant Stems (metabolism)</term><term>Populus (enzymology)</term><term>Populus (metabolism)</term><term>Starch (metabolism)</term><term>Superoxide Dismutase (metabolism)</term><term>Superoxides (metabolism)</term><term>Zinc (metabolism)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Amidon (métabolisme)</term><term>Biomasse (MeSH)</term><term>Cellules du mésophylle (métabolisme)</term><term>Cellules du mésophylle (ultrastructure)</term><term>Chlorophylle (métabolisme)</term><term>Isoenzymes (métabolisme)</term><term>Plomb (métabolisme)</term><term>Populus (enzymologie)</term><term>Populus (métabolisme)</term><term>Pousses de plante (métabolisme)</term><term>Racines de plante (métabolisme)</term><term>Superoxide dismutase (métabolisme)</term><term>Superoxydes (métabolisme)</term><term>Tiges de plante (métabolisme)</term><term>Zinc (métabolisme)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Chlorophyll</term><term>Isoenzymes</term><term>Lead</term><term>Starch</term><term>Superoxide Dismutase</term><term>Superoxides</term><term>Zinc</term></keywords><keywords scheme="MESH" qualifier="enzymologie" xml:lang="fr"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="enzymology" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Mesophyll Cells</term><term>Plant Roots</term><term>Plant Shoots</term><term>Plant Stems</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Amidon</term><term>Cellules du mésophylle</term><term>Chlorophylle</term><term>Isoenzymes</term><term>Plomb</term><term>Populus</term><term>Pousses de plante</term><term>Racines de plante</term><term>Superoxide dismutase</term><term>Superoxydes</term><term>Tiges de plante</term><term>Zinc</term></keywords><keywords scheme="MESH" qualifier="ultrastructure" xml:lang="en"><term>Mesophyll Cells</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biomass</term></keywords><keywords scheme="MESH" qualifier="ultrastructure" xml:lang="fr"><term>Biomasse</term><term>Cellules du mésophylle</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In our study, we tested two poplars, Populus beijingensis and Populus cathayana, as model species for their potential for phytoremediation by measuring changes in biomass, pigments, superoxide radicals (O2(-)), cellular ultrastructure and their ability for O2(-) quenching and heavy metal accumulation when exposed to Pb, Zn and their interaction in a hydroponic system. Exposure to Pb did not cause a significant decrease in biomass in either P. beijingensis or P. cathayana. Correspondingly, no obvious impairment in cellular organelles was observed in either species, although the former species translocated a higher fraction of Pb to its shoots than the latter. In contrast, there were significant decreases in biomass and pigment content, and serious impairments in ultrastructure in both species when exposed to either Zn alone or to a combined treatment. Under such conditions, P. beijingensis showed smaller losses of biomass and pigments but a greater ability to quench O2(-) and maintained relatively intact cellular organelles compared with P. cathayana. Under the combined stress, there were no obvious additive effects on biomass, pigments or cellular impairment, whereas synergistic effects on metal absorption and accumulation in both species were observed when compared with exposure to either alone. Thus, the attribute of synergistic uptake and translocation in both species validates their potential to remediate soil contaminated by multiple metals. Moreover, our results indicated that P. beijingensis is a better potential candidate for phytoremediation than P. cathayana, due to its greater phytoremediation efficiency as well as its higher tolerance capacity.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">24164303</PMID><DateCompleted><Year>2015</Year><Month>03</Month><Day>30</Day></DateCompleted><DateRevised><Year>2014</Year><Month>07</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1399-3054</ISSN><JournalIssue CitedMedium="Internet"><Volume>151</Volume><Issue>4</Issue><PubDate><Year>2014</Year><Month>Aug</Month></PubDate></JournalIssue><Title>Physiologia plantarum</Title><ISOAbbreviation>Physiol Plant</ISOAbbreviation></Journal><ArticleTitle>Comparative study of metal resistance and accumulation of lead and zinc in two poplars.</ArticleTitle><Pagination><MedlinePgn>390-405</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/ppl.12120</ELocationID><Abstract><AbstractText>In our study, we tested two poplars, Populus beijingensis and Populus cathayana, as model species for their potential for phytoremediation by measuring changes in biomass, pigments, superoxide radicals (O2(-)), cellular ultrastructure and their ability for O2(-) quenching and heavy metal accumulation when exposed to Pb, Zn and their interaction in a hydroponic system. Exposure to Pb did not cause a significant decrease in biomass in either P. beijingensis or P. cathayana. Correspondingly, no obvious impairment in cellular organelles was observed in either species, although the former species translocated a higher fraction of Pb to its shoots than the latter. In contrast, there were significant decreases in biomass and pigment content, and serious impairments in ultrastructure in both species when exposed to either Zn alone or to a combined treatment. Under such conditions, P. beijingensis showed smaller losses of biomass and pigments but a greater ability to quench O2(-) and maintained relatively intact cellular organelles compared with P. cathayana. Under the combined stress, there were no obvious additive effects on biomass, pigments or cellular impairment, whereas synergistic effects on metal absorption and accumulation in both species were observed when compared with exposure to either alone. Thus, the attribute of synergistic uptake and translocation in both species validates their potential to remediate soil contaminated by multiple metals. Moreover, our results indicated that P. beijingensis is a better potential candidate for phytoremediation than P. cathayana, due to its greater phytoremediation efficiency as well as its higher tolerance capacity.</AbstractText><CopyrightInformation>© 2013 Scandinavian Plant Physiology Society.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Chen</LastName><ForeName>Lianghua</ForeName><Initials>L</Initials><AffiliationInfo><Affiliation>Institute of Ecological Forestry, Sichuan Agricultural University, Chengdu 611130, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Gao</LastName><ForeName>Shun</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Zhu</LastName><ForeName>Peng</ForeName><Initials>P</Initials></Author><Author ValidYN="Y"><LastName>Liu</LastName><ForeName>Yang</ForeName><Initials>Y</Initials></Author><Author ValidYN="Y"><LastName>Hu</LastName><ForeName>Tingxing</ForeName><Initials>T</Initials></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Jian</ForeName><Initials>J</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D003160">Comparative Study</PublicationType><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2013</Year><Month>11</Month><Day>21</Day></ArticleDate></Article><MedlineJournalInfo><Country>Denmark</Country><MedlineTA>Physiol Plant</MedlineTA><NlmUniqueID>1256322</NlmUniqueID><ISSNLinking>0031-9317</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D007527">Isoenzymes</NameOfSubstance></Chemical><Chemical><RegistryNumber>11062-77-4</RegistryNumber><NameOfSubstance 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MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018547" MajorTopicYN="N">Plant Stems</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000201" MajorTopicYN="N">enzymology</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013213" MajorTopicYN="N">Starch</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013482" MajorTopicYN="N">Superoxide Dismutase</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013481" MajorTopicYN="N">Superoxides</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D015032" MajorTopicYN="N">Zinc</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2013</Year><Month>08</Month><Day>11</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2013</Year><Month>10</Month><Day>22</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2013</Year><Month>10</Month><Day>22</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2013</Year><Month>10</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2013</Year><Month>10</Month><Day>30</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2015</Year><Month>3</Month><Day>31</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">24164303</ArticleId><ArticleId IdType="doi">10.1111/ppl.12120</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><noCountry><name sortKey="Gao, Shun" sort="Gao, Shun" uniqKey="Gao S" first="Shun" last="Gao">Shun Gao</name><name sortKey="Hu, Tingxing" sort="Hu, Tingxing" uniqKey="Hu T" first="Tingxing" last="Hu">Tingxing Hu</name><name sortKey="Liu, Yang" sort="Liu, Yang" uniqKey="Liu Y" first="Yang" last="Liu">Yang Liu</name><name sortKey="Zhang, Jian" sort="Zhang, Jian" uniqKey="Zhang J" first="Jian" last="Zhang">Jian Zhang</name><name sortKey="Zhu, Peng" sort="Zhu, Peng" uniqKey="Zhu P" first="Peng" last="Zhu">Peng Zhu</name></noCountry><country name="République populaire de Chine"><noRegion><name sortKey="Chen, Lianghua" sort="Chen, Lianghua" uniqKey="Chen L" first="Lianghua" last="Chen">Lianghua Chen</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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