Sex-specific responses of Populus yunnanensis exposed to elevated CO2 and salinity.
Identifieur interne : 002492 ( Main/Exploration ); précédent : 002491; suivant : 002493Sex-specific responses of Populus yunnanensis exposed to elevated CO2 and salinity.
Auteurs : Ling Li [République populaire de Chine] ; Yuanbin Zhang ; Jianxun Luo ; Helena Korpelainen ; Chunyang LiSource :
- Physiologia plantarum [ 1399-3054 ] ; 2013.
Descripteurs français
- KwdFr :
- Antioxydants (métabolisme), Catechol oxidase (métabolisme), Cellules du mésophylle (ultrastructure), Chine (MeSH), Chlorures (métabolisme), Dioxyde de carbone (métabolisme), Microscopie électronique à transmission (MeSH), Peroxydation lipidique (MeSH), Peroxyde d'hydrogène (métabolisme), Photosynthèse (MeSH), Populus (croissance et développement), Populus (cytologie), Populus (métabolisme), Populus (physiologie), Salinité (MeSH), Superoxide dismutase (métabolisme), Tolérance au sel (MeSH), Électrolytes (métabolisme).
- MESH :
- croissance et développement : Populus.
- cytologie : Populus.
- métabolisme : Antioxydants, Catechol oxidase, Chlorures, Dioxyde de carbone, Peroxyde d'hydrogène, Populus, Superoxide dismutase, Électrolytes.
- physiologie : Populus.
- ultrastructure : Cellules du mésophylle, Chine, Microscopie électronique à transmission, Peroxydation lipidique, Photosynthèse, Salinité, Tolérance au sel.
English descriptors
- KwdEn :
- Antioxidants (metabolism), Carbon Dioxide (metabolism), Catechol Oxidase (metabolism), China (MeSH), Chlorides (metabolism), Electrolytes (metabolism), Hydrogen Peroxide (metabolism), Lipid Peroxidation (MeSH), Mesophyll Cells (ultrastructure), Microscopy, Electron, Transmission (MeSH), Photosynthesis (MeSH), Populus (cytology), Populus (growth & development), Populus (metabolism), Populus (physiology), Salinity (MeSH), Salt Tolerance (MeSH), Superoxide Dismutase (metabolism).
- MESH :
- chemical , metabolism : Antioxidants, Carbon Dioxide, Catechol Oxidase, Chlorides, Electrolytes, Hydrogen Peroxide, Superoxide Dismutase.
- cytology : Populus.
- growth & development : Populus.
- metabolism : Populus.
- physiology : Populus.
- ultrastructure : Mesophyll Cells.
- China, Lipid Peroxidation, Microscopy, Electron, Transmission, Photosynthesis, Salinity, Salt Tolerance.
Abstract
Populus yunnanensis Dode., a native dioecious woody plant in southwestern China, was employed as a model species to study sex-specific morphological, physiological and biochemical responses to elevated CO2 and salinity. To investigate the effects of elevated CO2 , salinity and their combination, the cuttings were exposed to two CO2 regimes (ambient CO2 and double ambient CO2 ) and two salt treatments in growth chambers. Males exhibited greater downregulation of net photosynthesis rate (Anet ) and carboxylation efficiency (CE) than females at elevated CO2 , whereas these sexual differences were lessened under salt stress. On the other hand, salinity induced a higher decrease in Anet and CE, more growth inhibition and leaf Cl(-) accumulation and more damage to cell organelles in females than in males, whereas the sexual differences in photosynthesis and growth were lessened at elevated CO2 . Moreover, elevated CO2 exacerbated membrane lipid peroxidation and organelle damage in females but not in males under salt stress. Our results indicated that: (1) females are more sensitive and suffer from greater negative effects than do males under salt stress, and elevated CO2 lessens the sexual differences in photosynthesis and growth under salt stress; (2) elevated CO2 tends to aggravate the negative effects of salinity in females; and (3) sex-specific reactions under the combination of elevated CO2 and salinity are distinct from single-stress responses. Therefore, these results provide evidence for different adaptive responses between plants of different sexes exposed to elevated CO2 and salinity.
DOI: 10.1111/j.1399-3054.2012.01676.x
PubMed: 22897484
Affiliations:
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last="Li">Ling Li</name><affiliation wicri:level="1"><nlm:affiliation>Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu</wicri:regionArea><wicri:noRegion>Chengdu</wicri:noRegion></affiliation></author><author><name sortKey="Zhang, Yuanbin" sort="Zhang, Yuanbin" uniqKey="Zhang Y" first="Yuanbin" last="Zhang">Yuanbin Zhang</name></author><author><name sortKey="Luo, Jianxun" sort="Luo, Jianxun" uniqKey="Luo J" first="Jianxun" last="Luo">Jianxun Luo</name></author><author><name sortKey="Korpelainen, Helena" sort="Korpelainen, Helena" uniqKey="Korpelainen H" first="Helena" last="Korpelainen">Helena Korpelainen</name></author><author><name sortKey="Li, Chunyang" sort="Li, Chunyang" uniqKey="Li C" first="Chunyang" last="Li">Chunyang Li</name></author></analytic><series><title level="j">Physiologia plantarum</title><idno type="eISSN">1399-3054</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Antioxidants (metabolism)</term><term>Carbon Dioxide (metabolism)</term><term>Catechol Oxidase (metabolism)</term><term>China (MeSH)</term><term>Chlorides (metabolism)</term><term>Electrolytes (metabolism)</term><term>Hydrogen Peroxide (metabolism)</term><term>Lipid Peroxidation (MeSH)</term><term>Mesophyll Cells (ultrastructure)</term><term>Microscopy, Electron, Transmission (MeSH)</term><term>Photosynthesis (MeSH)</term><term>Populus (cytology)</term><term>Populus (growth & development)</term><term>Populus (metabolism)</term><term>Populus (physiology)</term><term>Salinity (MeSH)</term><term>Salt Tolerance (MeSH)</term><term>Superoxide Dismutase (metabolism)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Antioxydants (métabolisme)</term><term>Catechol oxidase (métabolisme)</term><term>Cellules du mésophylle (ultrastructure)</term><term>Chine (MeSH)</term><term>Chlorures (métabolisme)</term><term>Dioxyde de carbone (métabolisme)</term><term>Microscopie électronique à transmission (MeSH)</term><term>Peroxydation lipidique (MeSH)</term><term>Peroxyde d'hydrogène (métabolisme)</term><term>Photosynthèse (MeSH)</term><term>Populus (croissance et développement)</term><term>Populus (cytologie)</term><term>Populus (métabolisme)</term><term>Populus (physiologie)</term><term>Salinité (MeSH)</term><term>Superoxide dismutase (métabolisme)</term><term>Tolérance au sel (MeSH)</term><term>Électrolytes (métabolisme)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Antioxidants</term><term>Carbon Dioxide</term><term>Catechol Oxidase</term><term>Chlorides</term><term>Electrolytes</term><term>Hydrogen Peroxide</term><term>Superoxide Dismutase</term></keywords><keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="cytologie" xml:lang="fr"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="cytology" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Antioxydants</term><term>Catechol oxidase</term><term>Chlorures</term><term>Dioxyde de carbone</term><term>Peroxyde d'hydrogène</term><term>Populus</term><term>Superoxide dismutase</term><term>Électrolytes</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="ultrastructure" xml:lang="en"><term>Mesophyll Cells</term></keywords><keywords scheme="MESH" xml:lang="en"><term>China</term><term>Lipid Peroxidation</term><term>Microscopy, Electron, Transmission</term><term>Photosynthesis</term><term>Salinity</term><term>Salt Tolerance</term></keywords><keywords scheme="MESH" qualifier="ultrastructure" xml:lang="fr"><term>Cellules du mésophylle</term><term>Chine</term><term>Microscopie électronique à transmission</term><term>Peroxydation lipidique</term><term>Photosynthèse</term><term>Salinité</term><term>Tolérance au sel</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Populus yunnanensis Dode., a native dioecious woody plant in southwestern China, was employed as a model species to study sex-specific morphological, physiological and biochemical responses to elevated CO2 and salinity. To investigate the effects of elevated CO2 , salinity and their combination, the cuttings were exposed to two CO2 regimes (ambient CO2 and double ambient CO2 ) and two salt treatments in growth chambers. Males exhibited greater downregulation of net photosynthesis rate (Anet ) and carboxylation efficiency (CE) than females at elevated CO2 , whereas these sexual differences were lessened under salt stress. On the other hand, salinity induced a higher decrease in Anet and CE, more growth inhibition and leaf Cl(-) accumulation and more damage to cell organelles in females than in males, whereas the sexual differences in photosynthesis and growth were lessened at elevated CO2 . Moreover, elevated CO2 exacerbated membrane lipid peroxidation and organelle damage in females but not in males under salt stress. Our results indicated that: (1) females are more sensitive and suffer from greater negative effects than do males under salt stress, and elevated CO2 lessens the sexual differences in photosynthesis and growth under salt stress; (2) elevated CO2 tends to aggravate the negative effects of salinity in females; and (3) sex-specific reactions under the combination of elevated CO2 and salinity are distinct from single-stress responses. Therefore, these results provide evidence for different adaptive responses between plants of different sexes exposed to elevated CO2 and salinity.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">22897484</PMID><DateCompleted><Year>2013</Year><Month>09</Month><Day>20</Day></DateCompleted><DateRevised><Year>2018</Year><Month>12</Month><Day>02</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1399-3054</ISSN><JournalIssue CitedMedium="Internet"><Volume>147</Volume><Issue>4</Issue><PubDate><Year>2013</Year><Month>Apr</Month></PubDate></JournalIssue><Title>Physiologia plantarum</Title><ISOAbbreviation>Physiol Plant</ISOAbbreviation></Journal><ArticleTitle>Sex-specific responses of Populus yunnanensis exposed to elevated CO2 and salinity.</ArticleTitle><Pagination><MedlinePgn>477-88</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/j.1399-3054.2012.01676.x</ELocationID><Abstract><AbstractText>Populus yunnanensis Dode., a native dioecious woody plant in southwestern China, was employed as a model species to study sex-specific morphological, physiological and biochemical responses to elevated CO2 and salinity. To investigate the effects of elevated CO2 , salinity and their combination, the cuttings were exposed to two CO2 regimes (ambient CO2 and double ambient CO2 ) and two salt treatments in growth chambers. Males exhibited greater downregulation of net photosynthesis rate (Anet ) and carboxylation efficiency (CE) than females at elevated CO2 , whereas these sexual differences were lessened under salt stress. On the other hand, salinity induced a higher decrease in Anet and CE, more growth inhibition and leaf Cl(-) accumulation and more damage to cell organelles in females than in males, whereas the sexual differences in photosynthesis and growth were lessened at elevated CO2 . Moreover, elevated CO2 exacerbated membrane lipid peroxidation and organelle damage in females but not in males under salt stress. Our results indicated that: (1) females are more sensitive and suffer from greater negative effects than do males under salt stress, and elevated CO2 lessens the sexual differences in photosynthesis and growth under salt stress; (2) elevated CO2 tends to aggravate the negative effects of salinity in females; and (3) sex-specific reactions under the combination of elevated CO2 and salinity are distinct from single-stress responses. Therefore, these results provide evidence for different adaptive responses between plants of different sexes exposed to elevated CO2 and salinity.</AbstractText><CopyrightInformation>Copyright © Physiologia Plantarum 2012.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Ling</ForeName><Initials>L</Initials><AffiliationInfo><Affiliation>Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Yuanbin</ForeName><Initials>Y</Initials></Author><Author ValidYN="Y"><LastName>Luo</LastName><ForeName>Jianxun</ForeName><Initials>J</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>2012</Year><Month>09</Month><Day>13</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="D000975">Antioxidants</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D002712">Chlorides</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance 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MajorTopicYN="N">Mesophyll Cells</DescriptorName><QualifierName UI="Q000648" MajorTopicYN="N">ultrastructure</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D046529" MajorTopicYN="N">Microscopy, Electron, Transmission</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010788" MajorTopicYN="N">Photosynthesis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000166" MajorTopicYN="N">cytology</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D054712" MajorTopicYN="Y">Salinity</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D055049" MajorTopicYN="N">Salt Tolerance</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013482" MajorTopicYN="N">Superoxide Dismutase</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2012</Year><Month>03</Month><Day>04</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2012</Year><Month>06</Month><Day>11</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2012</Year><Month>06</Month><Day>12</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2012</Year><Month>8</Month><Day>18</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2012</Year><Month>8</Month><Day>18</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2013</Year><Month>9</Month><Day>21</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">22897484</ArticleId><ArticleId IdType="doi">10.1111/j.1399-3054.2012.01676.x</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><noCountry><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="Luo, Jianxun" sort="Luo, Jianxun" uniqKey="Luo J" first="Jianxun" last="Luo">Jianxun Luo</name><name sortKey="Zhang, Yuanbin" sort="Zhang, Yuanbin" uniqKey="Zhang Y" first="Yuanbin" last="Zhang">Yuanbin Zhang</name></noCountry><country name="République populaire de Chine"><noRegion><name sortKey="Li, Ling" sort="Li, Ling" uniqKey="Li L" first="Ling" last="Li">Ling Li</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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