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Concentration- and flux-based dose-responses of isoprene emission from poplar leaves and plants exposed to an ozone concentration gradient.

Identifieur interne : 001461 ( Main/Exploration ); précédent : 001460; suivant : 001462

Concentration- and flux-based dose-responses of isoprene emission from poplar leaves and plants exposed to an ozone concentration gradient.

Auteurs : Xiangyang Yuan [République populaire de Chine] ; Zhaozhong Feng [République populaire de Chine] ; Shuo Liu [République populaire de Chine] ; Bo Shang [République populaire de Chine] ; Pin Li [République populaire de Chine] ; Yansen Xu [République populaire de Chine] ; Elena Paoletti [République populaire de Chine, Italie]

Source :

RBID : pubmed:28634994

Descripteurs français

English descriptors

Abstract

Concentration- and flux-based O3 dose-responses of isoprene emission from single leaves and whole plants were developed. Two poplar clones differing in O3 sensitivity were exposed to five O3 levels in open-top chambers for 97 d: charcoal-filtered ambient air (CF), non-filtered ambient air (NF) and NF plus 20 ppb (NF + 20), 40 ppb (NF + 40) and 60 ppb (NF + 60). At both leaf and plant level, isoprene emission was significantly decreased by NF + 40 and NF + 60 for both clones. Although intra-specific variability was found when the emissions were up-scaled to the whole plant, both leaf- and plant-level emissions decreased linearly with increasing concentration-based (AOT40, cumulative exposure to hourly O3 concentrations >40 ppb) and flux-based indices (PODY , cumulative stomatal uptake of O3  > Y nmol O3 m-2 PLA s-1 ). AOT40- and POD7 -based dose-responses performed equally well. The two clones responded differently to AOT40 and similarly to PODY (with a slightly higher R2 for POD7 ) when the emission was expressed as change relative to clean air. We thus recommend POD7 as a large-scale risk assessment metric to estimate isoprene emission responses to O3 in poplar.

DOI: 10.1111/pce.13007
PubMed: 28634994


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<term>Clone Cells (MeSH)</term>
<term>Hemiterpenes (analysis)</term>
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<term>Pentanes (analysis)</term>
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<term>Butadiènes</term>
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<div type="abstract" xml:lang="en">Concentration- and flux-based O
<sub>3</sub>
dose-responses of isoprene emission from single leaves and whole plants were developed. Two poplar clones differing in O
<sub>3</sub>
sensitivity were exposed to five O
<sub>3</sub>
levels in open-top chambers for 97 d: charcoal-filtered ambient air (CF), non-filtered ambient air (NF) and NF plus 20 ppb (NF + 20), 40 ppb (NF + 40) and 60 ppb (NF + 60). At both leaf and plant level, isoprene emission was significantly decreased by NF + 40 and NF + 60 for both clones. Although intra-specific variability was found when the emissions were up-scaled to the whole plant, both leaf- and plant-level emissions decreased linearly with increasing concentration-based (AOT40, cumulative exposure to hourly O
<sub>3</sub>
concentrations >40 ppb) and flux-based indices (POD
<sub>Y</sub>
, cumulative stomatal uptake of O
<sub>3</sub>
 > Y nmol O
<sub>3</sub>
m
<sup>-2</sup>
PLA s
<sup>-1</sup>
). AOT40- and POD
<sub>7</sub>
-based dose-responses performed equally well. The two clones responded differently to AOT40 and similarly to POD
<sub>Y</sub>
(with a slightly higher R
<sup>2</sup>
for POD
<sub>7</sub>
) when the emission was expressed as change relative to clean air. We thus recommend POD
<sub>7</sub>
as a large-scale risk assessment metric to estimate isoprene emission responses to O
<sub>3</sub>
in poplar.</div>
</front>
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<DateCompleted>
<Year>2018</Year>
<Month>01</Month>
<Day>22</Day>
</DateCompleted>
<DateRevised>
<Year>2018</Year>
<Month>01</Month>
<Day>22</Day>
</DateRevised>
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<Journal>
<ISSN IssnType="Electronic">1365-3040</ISSN>
<JournalIssue CitedMedium="Internet">
<Volume>40</Volume>
<Issue>9</Issue>
<PubDate>
<Year>2017</Year>
<Month>Sep</Month>
</PubDate>
</JournalIssue>
<Title>Plant, cell & environment</Title>
<ISOAbbreviation>Plant Cell Environ</ISOAbbreviation>
</Journal>
<ArticleTitle>Concentration- and flux-based dose-responses of isoprene emission from poplar leaves and plants exposed to an ozone concentration gradient.</ArticleTitle>
<Pagination>
<MedlinePgn>1960-1971</MedlinePgn>
</Pagination>
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<Abstract>
<AbstractText>Concentration- and flux-based O
<sub>3</sub>
dose-responses of isoprene emission from single leaves and whole plants were developed. Two poplar clones differing in O
<sub>3</sub>
sensitivity were exposed to five O
<sub>3</sub>
levels in open-top chambers for 97 d: charcoal-filtered ambient air (CF), non-filtered ambient air (NF) and NF plus 20 ppb (NF + 20), 40 ppb (NF + 40) and 60 ppb (NF + 60). At both leaf and plant level, isoprene emission was significantly decreased by NF + 40 and NF + 60 for both clones. Although intra-specific variability was found when the emissions were up-scaled to the whole plant, both leaf- and plant-level emissions decreased linearly with increasing concentration-based (AOT40, cumulative exposure to hourly O
<sub>3</sub>
concentrations >40 ppb) and flux-based indices (POD
<sub>Y</sub>
, cumulative stomatal uptake of O
<sub>3</sub>
 > Y nmol O
<sub>3</sub>
m
<sup>-2</sup>
PLA s
<sup>-1</sup>
). AOT40- and POD
<sub>7</sub>
-based dose-responses performed equally well. The two clones responded differently to AOT40 and similarly to POD
<sub>Y</sub>
(with a slightly higher R
<sup>2</sup>
for POD
<sub>7</sub>
) when the emission was expressed as change relative to clean air. We thus recommend POD
<sub>7</sub>
as a large-scale risk assessment metric to estimate isoprene emission responses to O
<sub>3</sub>
in poplar.</AbstractText>
<CopyrightInformation>© 2017 John Wiley & Sons Ltd.</CopyrightInformation>
</Abstract>
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<Author ValidYN="Y">
<LastName>Yuan</LastName>
<ForeName>Xiangyang</ForeName>
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<Affiliation>State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road 18, Haidian District, Beijing, 100085, China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, China.</Affiliation>
</AffiliationInfo>
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<Affiliation>State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road 18, Haidian District, Beijing, 100085, China.</Affiliation>
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<AffiliationInfo>
<Affiliation>College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, China.</Affiliation>
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</AffiliationInfo>
<AffiliationInfo>
<Affiliation>College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, China.</Affiliation>
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<AffiliationInfo>
<Affiliation>College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, China.</Affiliation>
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</AffiliationInfo>
<AffiliationInfo>
<Affiliation>College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, China.</Affiliation>
</AffiliationInfo>
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<Initials>Y</Initials>
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<Affiliation>State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road 18, Haidian District, Beijing, 100085, China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, China.</Affiliation>
</AffiliationInfo>
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<LastName>Paoletti</LastName>
<ForeName>Elena</ForeName>
<Initials>E</Initials>
<AffiliationInfo>
<Affiliation>State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road 18, Haidian District, Beijing, 100085, China.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>CNR, Via Madonna del Piano 10, 50019, Sesto Fiorentino, Florence, Italy.</Affiliation>
</AffiliationInfo>
</Author>
</AuthorList>
<Language>eng</Language>
<PublicationTypeList>
<PublicationType UI="D016428">Journal Article</PublicationType>
</PublicationTypeList>
<ArticleDate DateType="Electronic">
<Year>2017</Year>
<Month>07</Month>
<Day>14</Day>
</ArticleDate>
</Article>
<MedlineJournalInfo>
<Country>United States</Country>
<MedlineTA>Plant Cell Environ</MedlineTA>
<NlmUniqueID>9309004</NlmUniqueID>
<ISSNLinking>0140-7791</ISSNLinking>
</MedlineJournalInfo>
<ChemicalList>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D002070">Butadienes</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D045782">Hemiterpenes</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D010420">Pentanes</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>0A62964IBU</RegistryNumber>
<NameOfSubstance UI="C005059">isoprene</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>1406-65-1</RegistryNumber>
<NameOfSubstance UI="D002734">Chlorophyll</NameOfSubstance>
</Chemical>
<Chemical>
<RegistryNumber>66H7ZZK23N</RegistryNumber>
<NameOfSubstance UI="D010126">Ozone</NameOfSubstance>
</Chemical>
</ChemicalList>
<CitationSubset>IM</CitationSubset>
<MeshHeadingList>
<MeshHeading>
<DescriptorName UI="D000704" MajorTopicYN="N">Analysis of Variance</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D002070" MajorTopicYN="N">Butadienes</DescriptorName>
<QualifierName UI="Q000032" MajorTopicYN="Y">analysis</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D002734" MajorTopicYN="N">Chlorophyll</DescriptorName>
<QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D002999" MajorTopicYN="N">Clone Cells</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D045782" MajorTopicYN="N">Hemiterpenes</DescriptorName>
<QualifierName UI="Q000032" MajorTopicYN="Y">analysis</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D010126" MajorTopicYN="N">Ozone</DescriptorName>
<QualifierName UI="Q000494" MajorTopicYN="Y">pharmacology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D010420" MajorTopicYN="N">Pentanes</DescriptorName>
<QualifierName UI="Q000032" MajorTopicYN="Y">analysis</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName>
<QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName>
<QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName>
<QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName>
<QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName>
</MeshHeading>
</MeshHeadingList>
<KeywordList Owner="NOTNLM">
<Keyword MajorTopicYN="N">AOT40</Keyword>
<Keyword MajorTopicYN="N">O3 sensitivity</Keyword>
<Keyword MajorTopicYN="N">phytotoxic ozone dose</Keyword>
<Keyword MajorTopicYN="N">tropospheric O3</Keyword>
</KeywordList>
</MedlineCitation>
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<Year>2017</Year>
<Month>03</Month>
<Day>14</Day>
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<PubMedPubDate PubStatus="revised">
<Year>2017</Year>
<Month>06</Month>
<Day>06</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="accepted">
<Year>2017</Year>
<Month>06</Month>
<Day>07</Day>
</PubMedPubDate>
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<Year>2017</Year>
<Month>6</Month>
<Day>22</Day>
<Hour>6</Hour>
<Minute>0</Minute>
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<Year>2018</Year>
<Month>1</Month>
<Day>23</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="entrez">
<Year>2017</Year>
<Month>6</Month>
<Day>22</Day>
<Hour>6</Hour>
<Minute>0</Minute>
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</History>
<PublicationStatus>ppublish</PublicationStatus>
<ArticleIdList>
<ArticleId IdType="pubmed">28634994</ArticleId>
<ArticleId IdType="doi">10.1111/pce.13007</ArticleId>
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</PubmedData>
</pubmed>
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<list>
<country>
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<li>République populaire de Chine</li>
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<name sortKey="Yuan, Xiangyang" sort="Yuan, Xiangyang" uniqKey="Yuan X" first="Xiangyang" last="Yuan">Xiangyang Yuan</name>
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