The effects of exogenous putrescine on sex-specific responses of Populus cathayana to copper stress.
Identifieur interne : 002462 ( Main/Exploration ); précédent : 002461; suivant : 002463The effects of exogenous putrescine on sex-specific responses of Populus cathayana to copper stress.
Auteurs : Lianghua Chen [République populaire de Chine] ; Ling Wang ; Fugui Chen ; Helena Korpelainen ; Chunyang LiSource :
- Ecotoxicology and environmental safety [ 1090-2414 ] ; 2013.
Descripteurs français
- KwdFr :
- Activation enzymatique (effets des médicaments et des substances chimiques), Chlorophylle (métabolisme), Cuivre (analyse), Cuivre (toxicité), Enzymes (métabolisme), Feuilles de plante (composition chimique), Feuilles de plante (effets des médicaments et des substances chimiques), Feuilles de plante (enzymologie), Peroxydation lipidique (effets des médicaments et des substances chimiques), Peroxyde d'hydrogène (métabolisme), Pigmentation (effets des médicaments et des substances chimiques), Polyamines (analyse), Populus (effets des médicaments et des substances chimiques), Populus (physiologie), Proline (analyse), Putrescine (toxicité), Stress physiologique (effets des médicaments et des substances chimiques), Substances réactives à l'acide thiobarbiturique (métabolisme).
- MESH :
- analyse : Cuivre, Polyamines, Proline.
- composition chimique : Feuilles de plante.
- effets des médicaments et des substances chimiques : Activation enzymatique, Feuilles de plante, Peroxydation lipidique, Pigmentation, Populus, Stress physiologique.
- enzymologie : Feuilles de plante.
- métabolisme : Chlorophylle, Enzymes, Peroxyde d'hydrogène, Substances réactives à l'acide thiobarbiturique.
- physiologie : Populus.
- toxicité : Cuivre, Putrescine.
English descriptors
- KwdEn :
- Chlorophyll (metabolism), Copper (analysis), Copper (toxicity), Enzyme Activation (drug effects), Enzymes (metabolism), Hydrogen Peroxide (metabolism), Lipid Peroxidation (drug effects), Pigmentation (drug effects), Plant Leaves (chemistry), Plant Leaves (drug effects), Plant Leaves (enzymology), Polyamines (analysis), Populus (drug effects), Populus (physiology), Proline (analysis), Putrescine (toxicity), Stress, Physiological (drug effects), Thiobarbituric Acid Reactive Substances (metabolism).
- MESH :
- chemical , analysis : Copper, Polyamines, Proline.
- chemical , metabolism : Chlorophyll, Enzymes, Hydrogen Peroxide, Thiobarbituric Acid Reactive Substances.
- chemical , toxicity : Copper, Putrescine.
- chemistry : Plant Leaves.
- drug effects : Enzyme Activation, Lipid Peroxidation, Pigmentation, Plant Leaves, Populus, Stress, Physiological.
- enzymology : Plant Leaves.
- physiology : Populus.
Abstract
We used the dioecious tree, Populus cathayana, as a model species to study plants' physiological and biochemical responses to copper (Cu) stress, exogenous putrescine (Put) treatment and their interaction. Although males accumulated higher Cu concentrations in leaves than did females under Cu stress, they did not suffer more damage than females, as reflected by changes in gas exchange, pigment contents, membrane lipid peroxidation (thiobarbituric acid reactive substances, TBARS) and protein oxidation (carbonyl). Higher Cu tolerance of males was correlated with a higher H2O2 scavenging ability and proline responses, and a better maintenance of non-protein thiols (NP-SHs) and spermine (Spm) contents. We also discovered that mitigation effects of exogenous Put on Cu stress occurred, as visible as a recovery of the total chlorophyll content, and lower TBARS and carbonyl under interaction treatment when compared to Cu stress alone. Exogenous Put decreased the Cu concentration in leaves of both sexes, but to different degrees. Such effects of exogenous Put suggested that Put may play important roles in the stabilization of membrane integrity and protein structures, and it may modulate the uptake and transportation of Cu. Our results indicated that (1) males are more tolerant to Cu stress than females; (2) Put could mitigate Cu toxicity in P. cathayana, but to a different degree in males and females; (3) males are better candidates than females for Cu extraction and phytoremediation.
DOI: 10.1016/j.ecoenv.2013.07.009
PubMed: 23938041
Affiliations:
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xml:lang="fr"><term>Cuivre</term><term>Putrescine</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We used the dioecious tree, Populus cathayana, as a model species to study plants' physiological and biochemical responses to copper (Cu) stress, exogenous putrescine (Put) treatment and their interaction. Although males accumulated higher Cu concentrations in leaves than did females under Cu stress, they did not suffer more damage than females, as reflected by changes in gas exchange, pigment contents, membrane lipid peroxidation (thiobarbituric acid reactive substances, TBARS) and protein oxidation (carbonyl). Higher Cu tolerance of males was correlated with a higher H2O2 scavenging ability and proline responses, and a better maintenance of non-protein thiols (NP-SHs) and spermine (Spm) contents. We also discovered that mitigation effects of exogenous Put on Cu stress occurred, as visible as a recovery of the total chlorophyll content, and lower TBARS and carbonyl under interaction treatment when compared to Cu stress alone. Exogenous Put decreased the Cu concentration in leaves of both sexes, but to different degrees. Such effects of exogenous Put suggested that Put may play important roles in the stabilization of membrane integrity and protein structures, and it may modulate the uptake and transportation of Cu. Our results indicated that (1) males are more tolerant to Cu stress than females; (2) Put could mitigate Cu toxicity in P. cathayana, but to a different degree in males and females; (3) males are better candidates than females for Cu extraction and phytoremediation. </div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Curated" Owner="NLM"><PMID Version="1">23938041</PMID><DateCompleted><Year>2013</Year><Month>11</Month><Day>27</Day></DateCompleted><DateRevised><Year>2018</Year><Month>12</Month><Day>02</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1090-2414</ISSN><JournalIssue CitedMedium="Internet"><Volume>97</Volume><PubDate><Year>2013</Year><Month>Nov</Month></PubDate></JournalIssue><Title>Ecotoxicology and environmental safety</Title><ISOAbbreviation>Ecotoxicol Environ Saf</ISOAbbreviation></Journal><ArticleTitle>The effects of exogenous putrescine on sex-specific responses of Populus cathayana to copper stress.</ArticleTitle><Pagination><MedlinePgn>94-102</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.ecoenv.2013.07.009</ELocationID><ELocationID EIdType="pii" ValidYN="Y">S0147-6513(13)00307-2</ELocationID><Abstract><AbstractText>We used the dioecious tree, Populus cathayana, as a model species to study plants' physiological and biochemical responses to copper (Cu) stress, exogenous putrescine (Put) treatment and their interaction. Although males accumulated higher Cu concentrations in leaves than did females under Cu stress, they did not suffer more damage than females, as reflected by changes in gas exchange, pigment contents, membrane lipid peroxidation (thiobarbituric acid reactive substances, TBARS) and protein oxidation (carbonyl). Higher Cu tolerance of males was correlated with a higher H2O2 scavenging ability and proline responses, and a better maintenance of non-protein thiols (NP-SHs) and spermine (Spm) contents. We also discovered that mitigation effects of exogenous Put on Cu stress occurred, as visible as a recovery of the total chlorophyll content, and lower TBARS and carbonyl under interaction treatment when compared to Cu stress alone. Exogenous Put decreased the Cu concentration in leaves of both sexes, but to different degrees. Such effects of exogenous Put suggested that Put may play important roles in the stabilization of membrane integrity and protein structures, and it may modulate the uptake and transportation of Cu. Our results indicated that (1) males are more tolerant to Cu stress than females; (2) Put could mitigate Cu toxicity in P. cathayana, but to a different degree in males and females; (3) males are better candidates than females for Cu extraction and phytoremediation. </AbstractText><CopyrightInformation>Copyright © 2013 Elsevier Inc. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Chen</LastName><ForeName>Lianghua</ForeName><Initials>L</Initials><AffiliationInfo><Affiliation>Key Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China; Institute of Ecological Forestry, Sichuan Agricultural University, Chengdu 611130, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Ling</ForeName><Initials>L</Initials></Author><Author ValidYN="Y"><LastName>Chen</LastName><ForeName>Fugui</ForeName><Initials>F</Initials></Author><Author ValidYN="Y"><LastName>Korpelainen</LastName><ForeName>Helena</ForeName><Initials>H</Initials></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Chunyang</ForeName><Initials>C</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><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>08</Month><Day>12</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Ecotoxicol Environ Saf</MedlineTA><NlmUniqueID>7805381</NlmUniqueID><ISSNLinking>0147-6513</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D004798">Enzymes</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D011073">Polyamines</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D017392">Thiobarbituric Acid Reactive Substances</NameOfSubstance></Chemical><Chemical><RegistryNumber>1406-65-1</RegistryNumber><NameOfSubstance UI="D002734">Chlorophyll</NameOfSubstance></Chemical><Chemical><RegistryNumber>789U1901C5</RegistryNumber><NameOfSubstance UI="D003300">Copper</NameOfSubstance></Chemical><Chemical><RegistryNumber>9DLQ4CIU6V</RegistryNumber><NameOfSubstance UI="D011392">Proline</NameOfSubstance></Chemical><Chemical><RegistryNumber>BBX060AN9V</RegistryNumber><NameOfSubstance UI="D006861">Hydrogen Peroxide</NameOfSubstance></Chemical><Chemical><RegistryNumber>V10TVZ52E4</RegistryNumber><NameOfSubstance UI="D011700">Putrescine</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D002734" MajorTopicYN="N">Chlorophyll</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003300" MajorTopicYN="N">Copper</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName><QualifierName UI="Q000633" MajorTopicYN="Y">toxicity</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004789" MajorTopicYN="N">Enzyme Activation</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004798" MajorTopicYN="N">Enzymes</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006861" MajorTopicYN="N">Hydrogen Peroxide</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D015227" MajorTopicYN="N">Lipid Peroxidation</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010858" MajorTopicYN="N">Pigmentation</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018515" 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MajorTopicYN="Y">toxicity</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013312" MajorTopicYN="N">Stress, Physiological</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="Y">drug effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D017392" MajorTopicYN="N">Thiobarbituric Acid Reactive Substances</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Copper stress</Keyword><Keyword MajorTopicYN="N">Dioecy</Keyword><Keyword MajorTopicYN="N">Phytoremediation</Keyword><Keyword MajorTopicYN="N">Polyamine</Keyword><Keyword MajorTopicYN="N">Poplar</Keyword><Keyword MajorTopicYN="N">Putrescine</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2013</Year><Month>04</Month><Day>14</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2013</Year><Month>07</Month><Day>08</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2013</Year><Month>07</Month><Day>10</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2013</Year><Month>8</Month><Day>14</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2013</Year><Month>8</Month><Day>14</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2013</Year><Month>12</Month><Day>16</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">23938041</ArticleId><ArticleId IdType="pii">S0147-6513(13)00307-2</ArticleId><ArticleId IdType="doi">10.1016/j.ecoenv.2013.07.009</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><noCountry><name sortKey="Chen, Fugui" sort="Chen, Fugui" uniqKey="Chen F" first="Fugui" last="Chen">Fugui Chen</name><name sortKey="Korpelainen, Helena" sort="Korpelainen, Helena" uniqKey="Korpelainen H" first="Helena" last="Korpelainen">Helena Korpelainen</name><name sortKey="Li, Chunyang" sort="Li, Chunyang" uniqKey="Li C" first="Chunyang" last="Li">Chunyang Li</name><name sortKey="Wang, Ling" sort="Wang, Ling" uniqKey="Wang L" first="Ling" last="Wang">Ling Wang</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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