Elevated ozone reduced leaf nitrogen allocation to photosynthesis in poplar.
Identifieur interne : 000B37 ( Main/Curation ); précédent : 000B36; suivant : 000B38Elevated ozone reduced leaf nitrogen allocation to photosynthesis in poplar.
Auteurs : Bo Shang [République populaire de Chine] ; Yansen Xu [République populaire de Chine] ; Lulu Dai [République populaire de Chine] ; Xiangyang Yuan [République populaire de Chine] ; Zhaozhong Feng [République populaire de Chine]Source :
- The Science of the total environment [ 1879-1026 ] ; 2019.
Descripteurs français
- KwdFr :
- Azote (métabolisme), Chine (MeSH), Feuilles de plante (effets des médicaments et des substances chimiques), Feuilles de plante (métabolisme), Ozone (effets indésirables), Photosynthèse (effets des médicaments et des substances chimiques), Polluants atmosphériques (effets indésirables), Populus (effets des médicaments et des substances chimiques), Populus (métabolisme).
- MESH :
- effets des médicaments et des substances chimiques : Feuilles de plante, Photosynthèse, Populus.
- effets indésirables : Ozone, Polluants atmosphériques.
- métabolisme : Azote, Feuilles de plante, Populus.
- Chine.
- Wicri :
- geographic : République populaire de Chine.
English descriptors
- KwdEn :
- MESH :
- chemical , adverse effects : Air Pollutants, Ozone.
- chemical , metabolism : Nitrogen.
- geographic : China.
- drug effects : Photosynthesis, Plant Leaves, Populus.
- metabolism : Plant Leaves, Populus.
Abstract
We investigated the effects of elevated ozone (O3) concentration on leaf nitrogen (N), a key determinant of plant photosynthesis, with two clones of poplar grown in open-top chambers. We focus on the difference between mass-based leaf N concentration (Nmass) and area-based one (Narea) in their responses to elevated O3, and the allocation of N to different leaf components: photosynthetic apparatus, cell walls, and others under elevated O3 level. Our results showed that elevated O3 significantly increased Nmass, but reduced Narea and leaf mass per area (LMA). The two clones showed no difference in Nmass response to O3, but the more sensitive clone showed greater reduction of Narea and LMA due to O3. We also found positive relationships between Narea and photosynthetic parameters, e.g. light-saturated photosynthetic rate (Asat). Furthermore, elevated O3 significantly reduced photosynthetic N-use efficiency (PNUE) and leaf N allocation to photosynthetic components, while increasing N allocation to cell walls and other components. We concluded that plants invested more N in cell walls and other components to resist O3 damages at the expense of photosynthetic N. The change of N allocation in plant leaves in response to elevated O3 could have an impact on ecological processes, e.g. leaf litter decomposition.
DOI: 10.1016/j.scitotenv.2018.11.471
PubMed: 30537578
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College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>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; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049</wicri:regionArea></affiliation></author><author><name sortKey="Xu, Yansen" sort="Xu, Yansen" uniqKey="Xu Y" first="Yansen" last="Xu">Yansen Xu</name><affiliation wicri:level="1"><nlm: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; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>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; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049</wicri:regionArea></affiliation></author><author><name sortKey="Dai, Lulu" sort="Dai, Lulu" uniqKey="Dai L" first="Lulu" last="Dai">Lulu Dai</name><affiliation wicri:level="1"><nlm: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; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>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; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049</wicri:regionArea></affiliation></author><author><name sortKey="Yuan, Xiangyang" sort="Yuan, Xiangyang" uniqKey="Yuan X" first="Xiangyang" last="Yuan">Xiangyang Yuan</name><affiliation wicri:level="1"><nlm: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; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>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; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049</wicri:regionArea></affiliation></author><author><name sortKey="Feng, Zhaozhong" sort="Feng, Zhaozhong" uniqKey="Feng Z" first="Zhaozhong" last="Feng">Zhaozhong Feng</name><affiliation wicri:level="1"><nlm: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; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China; Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, School of Environmental Science and Technology, Nanjing University of Information Science & Technology, Nanjing 210044, China. Electronic address: fzz@rcees.ac.cn.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>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; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China; Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, School of Environmental Science and Technology, Nanjing University of Information Science & Technology, Nanjing 210044</wicri:regionArea></affiliation></author></analytic><series><title level="j">The Science of the total environment</title><idno type="eISSN">1879-1026</idno><imprint><date when="2019" type="published">2019</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Air Pollutants (adverse effects)</term><term>China (MeSH)</term><term>Nitrogen (metabolism)</term><term>Ozone (adverse effects)</term><term>Photosynthesis (drug effects)</term><term>Plant Leaves (drug effects)</term><term>Plant Leaves (metabolism)</term><term>Populus (drug effects)</term><term>Populus (metabolism)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Azote (métabolisme)</term><term>Chine (MeSH)</term><term>Feuilles de plante (effets des médicaments et des substances chimiques)</term><term>Feuilles de plante (métabolisme)</term><term>Ozone (effets indésirables)</term><term>Photosynthèse (effets des médicaments et des substances chimiques)</term><term>Polluants atmosphériques (effets indésirables)</term><term>Populus (effets des médicaments et des substances chimiques)</term><term>Populus (métabolisme)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="adverse effects" xml:lang="en"><term>Air Pollutants</term><term>Ozone</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Nitrogen</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>China</term></keywords><keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Photosynthesis</term><term>Plant Leaves</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="effets des médicaments et des substances chimiques" xml:lang="fr"><term>Feuilles de plante</term><term>Photosynthèse</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="effets indésirables" xml:lang="fr"><term>Ozone</term><term>Polluants atmosphériques</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Plant Leaves</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Azote</term><term>Feuilles de plante</term><term>Populus</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Chine</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>République populaire de Chine</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We investigated the effects of elevated ozone (O<sub>3</sub>) concentration on leaf nitrogen (N), a key determinant of plant photosynthesis, with two clones of poplar grown in open-top chambers. We focus on the difference between mass-based leaf N concentration (N<sub>mass</sub>) and area-based one (N<sub>area</sub>) in their responses to elevated O<sub>3</sub>, and the allocation of N to different leaf components: photosynthetic apparatus, cell walls, and others under elevated O<sub>3</sub> level. Our results showed that elevated O<sub>3</sub> significantly increased N<sub>mass</sub>, but reduced N<sub>area</sub> and leaf mass per area (LMA). The two clones showed no difference in N<sub>mass</sub> response to O<sub>3</sub>, but the more sensitive clone showed greater reduction of N<sub>area</sub> and LMA due to O<sub>3</sub>. We also found positive relationships between N<sub>area</sub> and photosynthetic parameters, e.g. light-saturated photosynthetic rate (A<sub>sat</sub>). Furthermore, elevated O<sub>3</sub> significantly reduced photosynthetic N-use efficiency (PNUE) and leaf N allocation to photosynthetic components, while increasing N allocation to cell walls and other components. We concluded that plants invested more N in cell walls and other components to resist O<sub>3</sub> damages at the expense of photosynthetic N. The change of N allocation in plant leaves in response to elevated O<sub>3</sub> could have an impact on ecological processes, e.g. leaf litter decomposition.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">30537578</PMID><DateCompleted><Year>2019</Year><Month>02</Month><Day>26</Day></DateCompleted><DateRevised><Year>2019</Year><Month>02</Month><Day>26</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1879-1026</ISSN><JournalIssue CitedMedium="Internet"><Volume>657</Volume><PubDate><Year>2019</Year><Month>Mar</Month><Day>20</Day></PubDate></JournalIssue><Title>The Science of the total environment</Title><ISOAbbreviation>Sci Total Environ</ISOAbbreviation></Journal><ArticleTitle>Elevated ozone reduced leaf nitrogen allocation to photosynthesis in poplar.</ArticleTitle><Pagination><MedlinePgn>169-178</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0048-9697(18)34826-5</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.scitotenv.2018.11.471</ELocationID><Abstract><AbstractText>We investigated the effects of elevated ozone (O<sub>3</sub>) concentration on leaf nitrogen (N), a key determinant of plant photosynthesis, with two clones of poplar grown in open-top chambers. We focus on the difference between mass-based leaf N concentration (N<sub>mass</sub>) and area-based one (N<sub>area</sub>) in their responses to elevated O<sub>3</sub>, and the allocation of N to different leaf components: photosynthetic apparatus, cell walls, and others under elevated O<sub>3</sub> level. Our results showed that elevated O<sub>3</sub> significantly increased N<sub>mass</sub>, but reduced N<sub>area</sub> and leaf mass per area (LMA). The two clones showed no difference in N<sub>mass</sub> response to O<sub>3</sub>, but the more sensitive clone showed greater reduction of N<sub>area</sub> and LMA due to O<sub>3</sub>. We also found positive relationships between N<sub>area</sub> and photosynthetic parameters, e.g. light-saturated photosynthetic rate (A<sub>sat</sub>). Furthermore, elevated O<sub>3</sub> significantly reduced photosynthetic N-use efficiency (PNUE) and leaf N allocation to photosynthetic components, while increasing N allocation to cell walls and other components. We concluded that plants invested more N in cell walls and other components to resist O<sub>3</sub> damages at the expense of photosynthetic N. The change of N allocation in plant leaves in response to elevated O<sub>3</sub> could have an impact on ecological processes, e.g. leaf litter decomposition.</AbstractText><CopyrightInformation>Copyright © 2018 Elsevier B.V. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Shang</LastName><ForeName>Bo</ForeName><Initials>B</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; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Xu</LastName><ForeName>Yansen</ForeName><Initials>Y</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; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Dai</LastName><ForeName>Lulu</ForeName><Initials>L</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; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Yuan</LastName><ForeName>Xiangyang</ForeName><Initials>X</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; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Feng</LastName><ForeName>Zhaozhong</ForeName><Initials>Z</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; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China; Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, School of Environmental Science and Technology, Nanjing University of Information Science & Technology, Nanjing 210044, China. Electronic address: fzz@rcees.ac.cn.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2018</Year><Month>12</Month><Day>03</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Sci Total Environ</MedlineTA><NlmUniqueID>0330500</NlmUniqueID><ISSNLinking>0048-9697</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000393">Air Pollutants</NameOfSubstance></Chemical><Chemical><RegistryNumber>66H7ZZK23N</RegistryNumber><NameOfSubstance UI="D010126">Ozone</NameOfSubstance></Chemical><Chemical><RegistryNumber>N762921K75</RegistryNumber><NameOfSubstance UI="D009584">Nitrogen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000393" MajorTopicYN="N">Air Pollutants</DescriptorName><QualifierName UI="Q000009" MajorTopicYN="Y">adverse effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002681" MajorTopicYN="N" Type="Geographic">China</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009584" MajorTopicYN="N">Nitrogen</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010126" MajorTopicYN="N">Ozone</DescriptorName><QualifierName UI="Q000009" MajorTopicYN="Y">adverse effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010788" MajorTopicYN="N">Photosynthesis</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Cell walls</Keyword><Keyword MajorTopicYN="N">Leaf nitrogen allocation</Keyword><Keyword MajorTopicYN="N">Leaf nitrogen concentration</Keyword><Keyword MajorTopicYN="N">Ozone</Keyword><Keyword MajorTopicYN="N">PNUE</Keyword><Keyword MajorTopicYN="N">Photosynthesis</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2018</Year><Month>09</Month><Day>22</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2018</Year><Month>11</Month><Day>30</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2018</Year><Month>11</Month><Day>30</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2018</Year><Month>12</Month><Day>12</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2019</Year><Month>2</Month><Day>27</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2018</Year><Month>12</Month><Day>12</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">30537578</ArticleId><ArticleId IdType="pii">S0048-9697(18)34826-5</ArticleId><ArticleId IdType="doi">10.1016/j.scitotenv.2018.11.471</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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