[Interactive Effects of Ozone and Drought on Antioxidant Enzyme Activities of Poplar Leaves].
Identifieur interne : 000B96 ( Main/Exploration ); précédent : 000B95; suivant : 000B97[Interactive Effects of Ozone and Drought on Antioxidant Enzyme Activities of Poplar Leaves].
Auteurs : Hui-Min Zhou [République populaire de Chine] ; Pin Li [République populaire de Chine] ; Feng Gao [République populaire de Chine] ; Zhao-Zhong Feng [République populaire de Chine] ; Yin-Bo Zhang [République populaire de Chine]Source :
- Huan jing ke xue= Huanjing kexue [ 0250-3301 ] ; 2018.
Descripteurs français
- KwdFr :
- MESH :
- enzymologie : Feuilles de plante, Populus.
- métabolisme : Antioxydants, Ascorbate peroxidases, Catalase, Myeloperoxidase, Superoxide dismutase.
- Ozone, Photosynthèse, Sécheresses.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Antioxidants, Ascorbate Peroxidases, Catalase, Peroxidase, Superoxide Dismutase.
- enzymology : Plant Leaves, Populus.
- Droughts, Ozone, Photosynthesis.
Abstract
Ground-level ozone (O3) pollution and drought have become major environmental factors that threaten the normal growth of plants. In this study, we determined the effects of three O3 concentrations (charcoal-filtered air, CF, non-filtered air, NF and non-filtered air+40 nmol·mol-1, NF40), two water treatments (well-watered, WW, and mild drought, MD, 60% of WW in volumetric soil water content), and their interactions on the light-saturated photosynthesis rate (Asat) and on the activity of antioxidant enzymes and soluble proteins of the poplar '546' (Populus deltoids cv. 55/56×P. deltoides cv. Imperial). Results showed that Asat significantly decreased with elevated O3, and with interactions between O3 and drought. Drought significantly reduced the activities of catalase (CAT) and superoxide dismutase (SOD) but did not affect the activities of peroxidase (POD) or ascorbate peroxidase (APX). Reduction ranges in CAT and SOD increased with drought duration. APX activity significantly decreased with increasing O3 and drought, but soluble protein content did not. Activities of antioxidant enzymes were not significantly affected by elevated O3 and their interactions. Results provide a scientific basis for protection of poplar plantations in response to increasing O3 concentrations and drought under environmental changes.
DOI: 10.13227/j.hjkx.201712176
PubMed: 30188081
Affiliations:
Links toward previous steps (curation, corpus...)
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Taiyuan 030006, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Institute of Loess Plateau, Shanxi University, Taiyuan 030006</wicri:regionArea><wicri:noRegion>Taiyuan 030006</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, 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, Beijing 100085</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author><author><name sortKey="Li, Pin" sort="Li, Pin" uniqKey="Li P" first="Pin" last="Li">Pin Li</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, Beijing 100085, 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, Beijing 100085</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation><affiliation wicri:level="1"><nlm:affiliation>College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author><author><name sortKey="Gao, Feng" sort="Gao, Feng" uniqKey="Gao F" first="Feng" last="Gao">Feng Gao</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, Beijing 100085, 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, Beijing 100085</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation><affiliation wicri:level="1"><nlm:affiliation>College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408</wicri:regionArea><placeName><settlement 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Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author><author><name sortKey="Zhang, Yin Bo" sort="Zhang, Yin Bo" uniqKey="Zhang Y" first="Yin-Bo" last="Zhang">Yin-Bo Zhang</name><affiliation wicri:level="1"><nlm:affiliation>College of Environmental Science and Resources, Shanxi University, Taiyuan 030006, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>College of Environmental Science and Resources, Shanxi University, Taiyuan 030006</wicri:regionArea><wicri:noRegion>Taiyuan 030006</wicri:noRegion></affiliation></author></analytic><series><title level="j">Huan jing ke xue= Huanjing kexue</title><idno type="ISSN">0250-3301</idno><imprint><date when="2018" type="published">2018</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Antioxidants (metabolism)</term><term>Ascorbate Peroxidases (metabolism)</term><term>Catalase (metabolism)</term><term>Droughts (MeSH)</term><term>Ozone (MeSH)</term><term>Peroxidase (metabolism)</term><term>Photosynthesis (MeSH)</term><term>Plant Leaves (enzymology)</term><term>Populus (enzymology)</term><term>Superoxide Dismutase (metabolism)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Antioxydants (métabolisme)</term><term>Ascorbate peroxidases (métabolisme)</term><term>Catalase (métabolisme)</term><term>Feuilles de plante (enzymologie)</term><term>Myeloperoxidase (métabolisme)</term><term>Ozone (MeSH)</term><term>Photosynthèse (MeSH)</term><term>Populus (enzymologie)</term><term>Superoxide dismutase (métabolisme)</term><term>Sécheresses (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Antioxidants</term><term>Ascorbate Peroxidases</term><term>Catalase</term><term>Peroxidase</term><term>Superoxide Dismutase</term></keywords><keywords scheme="MESH" qualifier="enzymologie" xml:lang="fr"><term>Feuilles de plante</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="enzymology" xml:lang="en"><term>Plant Leaves</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Antioxydants</term><term>Ascorbate peroxidases</term><term>Catalase</term><term>Myeloperoxidase</term><term>Superoxide dismutase</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Droughts</term><term>Ozone</term><term>Photosynthesis</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Ozone</term><term>Photosynthèse</term><term>Sécheresses</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Ground-level ozone (O<sub>3</sub>) pollution and drought have become major environmental factors that threaten the normal growth of plants. In this study, we determined the effects of three O<sub>3</sub> concentrations (charcoal-filtered air, CF, non-filtered air, NF and non-filtered air+40 nmol·mol<sup>-1</sup>, NF40), two water treatments (well-watered, WW, and mild drought, MD, 60% of WW in volumetric soil water content), and their interactions on the light-saturated photosynthesis rate (<i>A</i><sub>sat</sub>) and on the activity of antioxidant enzymes and soluble proteins of the poplar '546' (<i>Populus deltoids</i> cv. 55/56×<i>P. deltoides</i> cv. Imperial). Results showed that <i>A</i><sub>sat</sub> significantly decreased with elevated O<sub>3</sub>, and with interactions between O<sub>3</sub> and drought. Drought significantly reduced the activities of catalase (CAT) and superoxide dismutase (SOD) but did not affect the activities of peroxidase (POD) or ascorbate peroxidase (APX). Reduction ranges in CAT and SOD increased with drought duration. APX activity significantly decreased with increasing O<sub>3</sub> and drought, but soluble protein content did not. Activities of antioxidant enzymes were not significantly affected by elevated O<sub>3</sub> and their interactions. Results provide a scientific basis for protection of poplar plantations in response to increasing O<sub>3</sub> concentrations and drought under environmental changes.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Curated" Owner="NLM"><PMID Version="1">30188081</PMID><DateCompleted><Year>2019</Year><Month>04</Month><Day>03</Day></DateCompleted><DateRevised><Year>2019</Year><Month>04</Month><Day>03</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0250-3301</ISSN><JournalIssue CitedMedium="Print"><Volume>39</Volume><Issue>9</Issue><PubDate><Year>2018</Year><Month>Sep</Month><Day>08</Day></PubDate></JournalIssue><Title>Huan jing ke xue= Huanjing kexue</Title><ISOAbbreviation>Huan Jing Ke Xue</ISOAbbreviation></Journal><ArticleTitle>[Interactive Effects of Ozone and Drought on Antioxidant Enzyme Activities of Poplar Leaves].</ArticleTitle><Pagination><MedlinePgn>4359-4365</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.13227/j.hjkx.201712176</ELocationID><Abstract><AbstractText>Ground-level ozone (O<sub>3</sub>) pollution and drought have become major environmental factors that threaten the normal growth of plants. In this study, we determined the effects of three O<sub>3</sub> concentrations (charcoal-filtered air, CF, non-filtered air, NF and non-filtered air+40 nmol·mol<sup>-1</sup>, NF40), two water treatments (well-watered, WW, and mild drought, MD, 60% of WW in volumetric soil water content), and their interactions on the light-saturated photosynthesis rate (<i>A</i><sub>sat</sub>) and on the activity of antioxidant enzymes and soluble proteins of the poplar '546' (<i>Populus deltoids</i> cv. 55/56×<i>P. deltoides</i> cv. Imperial). Results showed that <i>A</i><sub>sat</sub> significantly decreased with elevated O<sub>3</sub>, and with interactions between O<sub>3</sub> and drought. Drought significantly reduced the activities of catalase (CAT) and superoxide dismutase (SOD) but did not affect the activities of peroxidase (POD) or ascorbate peroxidase (APX). Reduction ranges in CAT and SOD increased with drought duration. APX activity significantly decreased with increasing O<sub>3</sub> and drought, but soluble protein content did not. Activities of antioxidant enzymes were not significantly affected by elevated O<sub>3</sub> and their interactions. Results provide a scientific basis for protection of poplar plantations in response to increasing O<sub>3</sub> concentrations and drought under environmental changes.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Zhou</LastName><ForeName>Hui-Min</ForeName><Initials>HM</Initials><AffiliationInfo><Affiliation>Institute of Loess Plateau, Shanxi University, Taiyuan 030006, China.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Li</LastName><ForeName>Pin</ForeName><Initials>P</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Gao</LastName><ForeName>Feng</ForeName><Initials>F</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Feng</LastName><ForeName>Zhao-Zhong</ForeName><Initials>ZZ</Initials><AffiliationInfo><Affiliation>State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 101408, China.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zhang</LastName><ForeName>Yin-Bo</ForeName><Initials>YB</Initials><AffiliationInfo><Affiliation>College of Environmental Science and Resources, Shanxi University, Taiyuan 030006, China.</Affiliation></AffiliationInfo></Author></AuthorList><Language>chi</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>China</Country><MedlineTA>Huan Jing Ke Xue</MedlineTA><NlmUniqueID>8405344</NlmUniqueID><ISSNLinking>0250-3301</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000975">Antioxidants</NameOfSubstance></Chemical><Chemical><RegistryNumber>66H7ZZK23N</RegistryNumber><NameOfSubstance UI="D010126">Ozone</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.11.1.11</RegistryNumber><NameOfSubstance UI="D060387">Ascorbate Peroxidases</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.11.1.6</RegistryNumber><NameOfSubstance UI="D002374">Catalase</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.11.1.7</RegistryNumber><NameOfSubstance UI="D009195">Peroxidase</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 1.15.1.1</RegistryNumber><NameOfSubstance UI="D013482">Superoxide Dismutase</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000975" MajorTopicYN="N">Antioxidants</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D060387" MajorTopicYN="N">Ascorbate Peroxidases</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002374" MajorTopicYN="N">Catalase</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D055864" MajorTopicYN="Y">Droughts</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010126" MajorTopicYN="Y">Ozone</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009195" MajorTopicYN="N">Peroxidase</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010788" MajorTopicYN="N">Photosynthesis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000201" MajorTopicYN="N">enzymology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000201" MajorTopicYN="Y">enzymology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013482" MajorTopicYN="N">Superoxide Dismutase</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">antioxidant enzymes</Keyword><Keyword MajorTopicYN="N">drought</Keyword><Keyword MajorTopicYN="N">interaction</Keyword><Keyword MajorTopicYN="N">ozone</Keyword><Keyword MajorTopicYN="N">poplar</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2018</Year><Month>9</Month><Day>7</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2018</Year><Month>9</Month><Day>7</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate 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sortKey="Gao, Feng" sort="Gao, Feng" uniqKey="Gao F" first="Feng" last="Gao">Feng Gao</name><name sortKey="Li, Pin" sort="Li, Pin" uniqKey="Li P" first="Pin" last="Li">Pin Li</name><name sortKey="Li, Pin" sort="Li, Pin" uniqKey="Li P" first="Pin" last="Li">Pin Li</name><name sortKey="Zhang, Yin Bo" sort="Zhang, Yin Bo" uniqKey="Zhang Y" first="Yin-Bo" last="Zhang">Yin-Bo Zhang</name><name sortKey="Zhou, Hui Min" sort="Zhou, Hui Min" uniqKey="Zhou H" first="Hui-Min" last="Zhou">Hui-Min Zhou</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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