Impacts of elevated CO2 and/or O3 on leaf ultrastructure of aspen (Populus tremuloides) and birch (Betula papyrifera) in the aspen FACE experiment.
Identifieur interne : 004688 ( Main/Exploration ); précédent : 004687; suivant : 004689Impacts of elevated CO2 and/or O3 on leaf ultrastructure of aspen (Populus tremuloides) and birch (Betula papyrifera) in the aspen FACE experiment.
Auteurs : E. Oksanen [Finlande] ; J. Sober ; D F KarnoskySource :
- Environmental pollution (Barking, Essex : 1987) [ 0269-7491 ] ; 2001.
Descripteurs français
- KwdFr :
- Bases de données comme sujet (MeSH), Betula (effets des médicaments et des substances chimiques), Betula (métabolisme), Betula (ultrastructure), Chloroplastes (effets des médicaments et des substances chimiques), Chloroplastes (métabolisme), Chloroplastes (ultrastructure), Dioxyde de carbone (pharmacologie), Feuilles de plante (effets des médicaments et des substances chimiques), Feuilles de plante (métabolisme), Feuilles de plante (ultrastructure), Interactions médicamenteuses (MeSH), Microscopie électronique (MeSH), Ozone (pharmacologie), Polluants atmosphériques (pharmacologie), Salicaceae (effets des médicaments et des substances chimiques), Salicaceae (métabolisme), Salicaceae (ultrastructure), Science forêt (MeSH), Vacuoles (effets des médicaments et des substances chimiques), Vacuoles (métabolisme), Vacuoles (ultrastructure), Écosystème (MeSH).
- MESH :
- effets des médicaments et des substances chimiques : Betula, Chloroplastes, Feuilles de plante, Salicaceae, Vacuoles.
- métabolisme : Betula, Chloroplastes, Feuilles de plante, Salicaceae, Vacuoles.
- pharmacologie : Dioxyde de carbone, Ozone, Polluants atmosphériques.
- ultrastructure : Bases de données comme sujet, Betula, Chloroplastes, Feuilles de plante, Interactions médicamenteuses, Microscopie électronique, Salicaceae, Science forêt, Vacuoles, Écosystème.
English descriptors
- KwdEn :
- Air Pollutants (pharmacology), Betula (drug effects), Betula (metabolism), Betula (ultrastructure), Carbon Dioxide (pharmacology), Chloroplasts (drug effects), Chloroplasts (metabolism), Chloroplasts (ultrastructure), Databases as Topic (MeSH), Drug Interactions (MeSH), Ecosystem (MeSH), Forestry (MeSH), Microscopy, Electron (MeSH), Ozone (pharmacology), Plant Leaves (drug effects), Plant Leaves (metabolism), Plant Leaves (ultrastructure), Salicaceae (drug effects), Salicaceae (metabolism), Salicaceae (ultrastructure), Vacuoles (drug effects), Vacuoles (metabolism), Vacuoles (ultrastructure).
- MESH :
- chemical , pharmacology : Air Pollutants, Carbon Dioxide, Ozone.
- drug effects : Betula, Chloroplasts, Plant Leaves, Salicaceae, Vacuoles.
- metabolism : Betula, Chloroplasts, Plant Leaves, Salicaceae, Vacuoles.
- ultrastructure : Betula, Chloroplasts, Plant Leaves, Salicaceae, Vacuoles.
- Databases as Topic, Drug Interactions, Ecosystem, Forestry, Microscopy, Electron.
Abstract
Impacts of elevated atmospheric O3 and/or CO2 on three clones of aspen (Populus tremuloides Michx.) and birch (Betula papyrifera Marsh.) were studied to determine, whether or not elevated CO2 ameliorates O3-induced damage to leaf cells. The plants were exposed for 3 years at the Aspen FACE exposure site in Wisconsin (USA) prior to sampling for ultrastructural investigations on 19 June 1999. In the aspen clones, elevated CO2 increased chloroplast cover index, leaf and spongy mesophyll layer thickness, intercellular air space volume in mesophyll, amount of starch in chloroplasts and cytoplasmic lipids but decreased the number of plastoglobuli in chloroplasts. In contrast, elevated O3 decreased chloroplast cover index, starch content, and the proportion of cytoplasm and intercellular space in mesophyll, and increased the proportion of vacuoles, the amount of condensed vacuolar tannins and the number of plastoglobuli. Ozone also caused structural thylakoid injuries (dilation, distortion) and stromal condensation in chloroplasts, which was ameliorated by elevated CO2 by 5-66% in aspen clones and by 2-10% in birch. Birch ultrastructure was less affected by elevated CO2 or O3 stress compared to aspen. In the most O3-sensitive aspen clone, thinner leaves and cell walls, lower proportion of cell wall volume, and higher volume for vacuoles was found compared to more-tolerant clones.
DOI: 10.1016/s0269-7491(01)00233-0
PubMed: 11789924
Affiliations:
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Sober</name></author><author><name sortKey="Karnosky, D F" sort="Karnosky, D F" uniqKey="Karnosky D" first="D F" last="Karnosky">D F Karnosky</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2001">2001</date><idno type="RBID">pubmed:11789924</idno><idno type="pmid">11789924</idno><idno type="doi">10.1016/s0269-7491(01)00233-0</idno><idno type="wicri:Area/Main/Corpus">004695</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">004695</idno><idno type="wicri:Area/Main/Curation">004695</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">004695</idno><idno type="wicri:Area/Main/Exploration">004695</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Impacts of elevated CO2 and/or O3 on leaf ultrastructure of aspen (Populus tremuloides) and birch (Betula papyrifera) in the aspen FACE experiment.</title><author><name sortKey="Oksanen, E" sort="Oksanen, E" uniqKey="Oksanen E" first="E" last="Oksanen">E. Oksanen</name><affiliation wicri:level="1"><nlm:affiliation>University of Kuopio, Department of Ecology and Environmental Science, Finland. elina.oksanen@uku.fi</nlm:affiliation><country xml:lang="fr">Finlande</country><wicri:regionArea>University of Kuopio, Department of Ecology and Environmental Science</wicri:regionArea><wicri:noRegion>Department of Ecology and Environmental Science</wicri:noRegion></affiliation></author><author><name sortKey="Sober, J" sort="Sober, J" uniqKey="Sober J" first="J" last="Sober">J. Sober</name></author><author><name sortKey="Karnosky, D F" sort="Karnosky, D F" uniqKey="Karnosky D" first="D F" last="Karnosky">D F Karnosky</name></author></analytic><series><title level="j">Environmental pollution (Barking, Essex : 1987)</title><idno type="ISSN">0269-7491</idno><imprint><date when="2001" type="published">2001</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Air Pollutants (pharmacology)</term><term>Betula (drug effects)</term><term>Betula (metabolism)</term><term>Betula (ultrastructure)</term><term>Carbon Dioxide (pharmacology)</term><term>Chloroplasts (drug effects)</term><term>Chloroplasts (metabolism)</term><term>Chloroplasts (ultrastructure)</term><term>Databases as Topic (MeSH)</term><term>Drug Interactions (MeSH)</term><term>Ecosystem (MeSH)</term><term>Forestry (MeSH)</term><term>Microscopy, Electron (MeSH)</term><term>Ozone (pharmacology)</term><term>Plant Leaves (drug effects)</term><term>Plant Leaves (metabolism)</term><term>Plant Leaves (ultrastructure)</term><term>Salicaceae (drug effects)</term><term>Salicaceae (metabolism)</term><term>Salicaceae (ultrastructure)</term><term>Vacuoles (drug effects)</term><term>Vacuoles (metabolism)</term><term>Vacuoles (ultrastructure)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Bases de données comme sujet (MeSH)</term><term>Betula (effets des médicaments et des substances chimiques)</term><term>Betula (métabolisme)</term><term>Betula (ultrastructure)</term><term>Chloroplastes (effets des médicaments et des substances chimiques)</term><term>Chloroplastes (métabolisme)</term><term>Chloroplastes (ultrastructure)</term><term>Dioxyde de carbone (pharmacologie)</term><term>Feuilles de plante (effets des médicaments et des substances chimiques)</term><term>Feuilles de plante (métabolisme)</term><term>Feuilles de plante (ultrastructure)</term><term>Interactions médicamenteuses (MeSH)</term><term>Microscopie électronique (MeSH)</term><term>Ozone (pharmacologie)</term><term>Polluants atmosphériques (pharmacologie)</term><term>Salicaceae (effets des médicaments et des substances chimiques)</term><term>Salicaceae (métabolisme)</term><term>Salicaceae (ultrastructure)</term><term>Science forêt (MeSH)</term><term>Vacuoles (effets des médicaments et des substances chimiques)</term><term>Vacuoles (métabolisme)</term><term>Vacuoles (ultrastructure)</term><term>Écosystème (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Air Pollutants</term><term>Carbon Dioxide</term><term>Ozone</term></keywords><keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Betula</term><term>Chloroplasts</term><term>Plant Leaves</term><term>Salicaceae</term><term>Vacuoles</term></keywords><keywords scheme="MESH" qualifier="effets des médicaments et des substances chimiques" xml:lang="fr"><term>Betula</term><term>Chloroplastes</term><term>Feuilles de plante</term><term>Salicaceae</term><term>Vacuoles</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Betula</term><term>Chloroplasts</term><term>Plant Leaves</term><term>Salicaceae</term><term>Vacuoles</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Betula</term><term>Chloroplastes</term><term>Feuilles de plante</term><term>Salicaceae</term><term>Vacuoles</term></keywords><keywords scheme="MESH" qualifier="pharmacologie" xml:lang="fr"><term>Dioxyde de carbone</term><term>Ozone</term><term>Polluants atmosphériques</term></keywords><keywords scheme="MESH" qualifier="ultrastructure" xml:lang="en"><term>Betula</term><term>Chloroplasts</term><term>Plant Leaves</term><term>Salicaceae</term><term>Vacuoles</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Databases as Topic</term><term>Drug Interactions</term><term>Ecosystem</term><term>Forestry</term><term>Microscopy, Electron</term></keywords><keywords scheme="MESH" qualifier="ultrastructure" xml:lang="fr"><term>Bases de données comme sujet</term><term>Betula</term><term>Chloroplastes</term><term>Feuilles de plante</term><term>Interactions médicamenteuses</term><term>Microscopie électronique</term><term>Salicaceae</term><term>Science forêt</term><term>Vacuoles</term><term>Écosystème</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Impacts of elevated atmospheric O3 and/or CO2 on three clones of aspen (Populus tremuloides Michx.) and birch (Betula papyrifera Marsh.) were studied to determine, whether or not elevated CO2 ameliorates O3-induced damage to leaf cells. The plants were exposed for 3 years at the Aspen FACE exposure site in Wisconsin (USA) prior to sampling for ultrastructural investigations on 19 June 1999. In the aspen clones, elevated CO2 increased chloroplast cover index, leaf and spongy mesophyll layer thickness, intercellular air space volume in mesophyll, amount of starch in chloroplasts and cytoplasmic lipids but decreased the number of plastoglobuli in chloroplasts. In contrast, elevated O3 decreased chloroplast cover index, starch content, and the proportion of cytoplasm and intercellular space in mesophyll, and increased the proportion of vacuoles, the amount of condensed vacuolar tannins and the number of plastoglobuli. Ozone also caused structural thylakoid injuries (dilation, distortion) and stromal condensation in chloroplasts, which was ameliorated by elevated CO2 by 5-66% in aspen clones and by 2-10% in birch. Birch ultrastructure was less affected by elevated CO2 or O3 stress compared to aspen. In the most O3-sensitive aspen clone, thinner leaves and cell walls, lower proportion of cell wall volume, and higher volume for vacuoles was found compared to more-tolerant clones.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">11789924</PMID><DateCompleted><Year>2002</Year><Month>05</Month><Day>10</Day></DateCompleted><DateRevised><Year>2019</Year><Month>09</Month><Day>01</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0269-7491</ISSN><JournalIssue CitedMedium="Print"><Volume>115</Volume><Issue>3</Issue><PubDate><Year>2001</Year></PubDate></JournalIssue><Title>Environmental pollution (Barking, Essex : 1987)</Title><ISOAbbreviation>Environ Pollut</ISOAbbreviation></Journal><ArticleTitle>Impacts of elevated CO2 and/or O3 on leaf ultrastructure of aspen (Populus tremuloides) and birch (Betula papyrifera) in the aspen FACE experiment.</ArticleTitle><Pagination><MedlinePgn>437-46</MedlinePgn></Pagination><Abstract><AbstractText>Impacts of elevated atmospheric O3 and/or CO2 on three clones of aspen (Populus tremuloides Michx.) and birch (Betula papyrifera Marsh.) were studied to determine, whether or not elevated CO2 ameliorates O3-induced damage to leaf cells. The plants were exposed for 3 years at the Aspen FACE exposure site in Wisconsin (USA) prior to sampling for ultrastructural investigations on 19 June 1999. In the aspen clones, elevated CO2 increased chloroplast cover index, leaf and spongy mesophyll layer thickness, intercellular air space volume in mesophyll, amount of starch in chloroplasts and cytoplasmic lipids but decreased the number of plastoglobuli in chloroplasts. In contrast, elevated O3 decreased chloroplast cover index, starch content, and the proportion of cytoplasm and intercellular space in mesophyll, and increased the proportion of vacuoles, the amount of condensed vacuolar tannins and the number of plastoglobuli. Ozone also caused structural thylakoid injuries (dilation, distortion) and stromal condensation in chloroplasts, which was ameliorated by elevated CO2 by 5-66% in aspen clones and by 2-10% in birch. Birch ultrastructure was less affected by elevated CO2 or O3 stress compared to aspen. In the most O3-sensitive aspen clone, thinner leaves and cell walls, lower proportion of cell wall volume, and higher volume for vacuoles was found compared to more-tolerant clones.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Oksanen</LastName><ForeName>E</ForeName><Initials>E</Initials><AffiliationInfo><Affiliation>University of Kuopio, Department of Ecology and Environmental Science, Finland. elina.oksanen@uku.fi</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Sober</LastName><ForeName>J</ForeName><Initials>J</Initials></Author><Author ValidYN="Y"><LastName>Karnosky</LastName><ForeName>D F</ForeName><Initials>DF</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, 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MajorTopicYN="N">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D016468" MajorTopicYN="N">Forestry</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008854" MajorTopicYN="N">Microscopy, Electron</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010126" MajorTopicYN="N">Ozone</DescriptorName><QualifierName UI="Q000494" MajorTopicYN="Y">pharmacology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="Y">drug effects</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000648" MajorTopicYN="N">ultrastructure</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D031308" MajorTopicYN="N">Salicaceae</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="Y">drug effects</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000648" MajorTopicYN="N">ultrastructure</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014617" MajorTopicYN="N">Vacuoles</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000648" MajorTopicYN="N">ultrastructure</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2002</Year><Month>1</Month><Day>16</Day><Hour>10</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2002</Year><Month>5</Month><Day>11</Day><Hour>10</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2002</Year><Month>1</Month><Day>16</Day><Hour>10</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">11789924</ArticleId><ArticleId IdType="pii">S0269-7491(01)00233-0</ArticleId><ArticleId IdType="doi">10.1016/s0269-7491(01)00233-0</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Finlande</li></country></list><tree><noCountry><name sortKey="Karnosky, D F" sort="Karnosky, D F" uniqKey="Karnosky D" first="D F" last="Karnosky">D F Karnosky</name><name sortKey="Sober, J" sort="Sober, J" uniqKey="Sober J" first="J" last="Sober">J. Sober</name></noCountry><country name="Finlande"><noRegion><name sortKey="Oksanen, E" sort="Oksanen, E" uniqKey="Oksanen E" first="E" last="Oksanen">E. Oksanen</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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