Oak powdery mildew (Erysiphe alphitoides)-induced volatile emissions scale with the degree of infection in Quercus robur.
Identifieur interne : 000011 ( PubMed/Corpus ); précédent : 000010; suivant : 000012Oak powdery mildew (Erysiphe alphitoides)-induced volatile emissions scale with the degree of infection in Quercus robur.
Auteurs : Lucian Copolovici ; Fred V Rtn U ; Miguel Portillo Estrada ; Ülo NiinemetsSource :
- Tree physiology [ 1758-4469 ] ; 2014.
English descriptors
- KwdEn :
- Ascomycota, Butadienes (metabolism), Environment, Hemiterpenes (metabolism), Light, Monoterpenes (metabolism), Oils, Volatile (metabolism), Pentanes (metabolism), Photosynthesis, Plant Diseases (microbiology), Plant Leaves (metabolism), Plant Leaves (microbiology), Plant Leaves (physiology), Quercus (metabolism), Quercus (microbiology), Quercus (physiology), Terpenes (metabolism).
- MESH :
- chemical , metabolism : Butadienes, Hemiterpenes, Monoterpenes, Oils, Volatile, Pentanes, Terpenes.
- metabolism : Plant Leaves, Quercus.
- microbiology : Plant Diseases, Plant Leaves, Quercus.
- physiology : Plant Leaves, Quercus.
- Ascomycota, Environment, Light, Photosynthesis.
Abstract
Oak powdery mildew (Erysiphe alphitoides) is a major foliar pathogen of Quercus robur often infecting entire tree stands. In this study, foliage photosynthetic characteristics and constitutive and induced volatile emissions were studied in Q. robur leaves, in order to determine whether the changes in foliage physiological traits are quantitatively associated with the degree of leaf infection, and whether infection changes the light responses of physiological traits. Infection by E. alphitoides reduced net assimilation rate by 3.5-fold and isoprene emission rate by 2.4-fold, and increased stomatal conductance by 1.6-fold in leaves with the largest degree of infection of ∼60%. These alterations in physiological activity were quantitatively associated with the fraction of leaf area infected. In addition, light saturation of net assimilation and isoprene emission was reached at lower light intensity in infected leaves, and infection also reduced the initial quantum yield of isoprene emission. Infection-induced emissions of lipoxygenase pathway volatiles and monoterpenes were light-dependent and scaled positively with the degree of infection. Overall, this study indicates that the reduction of foliage photosynthetic activity and constitutive emissions and the onset of stress volatile emissions scale with the degree of infection, but also that the infection modifies the light responses of foliage physiological activities.
DOI: 10.1093/treephys/tpu091
PubMed: 25428827
Links to Exploration step
pubmed:25428827Le document en format XML
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Estonia.</nlm:affiliation></affiliation></author><author><name sortKey="Portillo Estrada, Miguel" sort="Portillo Estrada, Miguel" uniqKey="Portillo Estrada M" first="Miguel" last="Portillo Estrada">Miguel Portillo Estrada</name><affiliation><nlm:affiliation>Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, 1 Kreutzwaldi, 51014 Tartu, Estonia Centre of Excellence PLECO (Plant and Vegetation Ecology), Department of Biology, University of Antwerp, Universiteitsplein 1, B-2610, Wilrijk, Belgium.</nlm:affiliation></affiliation></author><author><name sortKey="Niinemets, Ulo" sort="Niinemets, Ulo" uniqKey="Niinemets U" first="Ülo" last="Niinemets">Ülo Niinemets</name><affiliation><nlm:affiliation>Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, 1 Kreutzwaldi, 51014 Tartu, Estonia Estonian Academy of Sciences, 6 Kohtu, 10130 Tallinn, 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Natural Sciences, 'Aurel Vlaicu' University, 2 Elena Dragoi, 310330 Arad, Romania lucian.copolovici@emu.ee.</nlm:affiliation></affiliation></author><author><name sortKey="V Rtn U, Fred" sort="V Rtn U, Fred" uniqKey="V Rtn U F" first="Fred" last="V Rtn U">Fred V Rtn U</name><affiliation><nlm:affiliation>Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, 1 Kreutzwaldi, 51014 Tartu, Estonia.</nlm:affiliation></affiliation></author><author><name sortKey="Portillo Estrada, Miguel" sort="Portillo Estrada, Miguel" uniqKey="Portillo Estrada M" first="Miguel" last="Portillo Estrada">Miguel Portillo Estrada</name><affiliation><nlm:affiliation>Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, 1 Kreutzwaldi, 51014 Tartu, Estonia Centre of Excellence PLECO (Plant and Vegetation Ecology), Department of Biology, University of Antwerp, Universiteitsplein 1, B-2610, Wilrijk, Belgium.</nlm:affiliation></affiliation></author><author><name sortKey="Niinemets, Ulo" sort="Niinemets, Ulo" uniqKey="Niinemets U" first="Ülo" last="Niinemets">Ülo Niinemets</name><affiliation><nlm:affiliation>Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, 1 Kreutzwaldi, 51014 Tartu, Estonia Estonian Academy of Sciences, 6 Kohtu, 10130 Tallinn, Estonia.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Tree physiology</title><idno type="eISSN">1758-4469</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Ascomycota</term><term>Butadienes (metabolism)</term><term>Environment</term><term>Hemiterpenes (metabolism)</term><term>Light</term><term>Monoterpenes (metabolism)</term><term>Oils, Volatile (metabolism)</term><term>Pentanes (metabolism)</term><term>Photosynthesis</term><term>Plant Diseases (microbiology)</term><term>Plant Leaves (metabolism)</term><term>Plant Leaves (microbiology)</term><term>Plant Leaves (physiology)</term><term>Quercus (metabolism)</term><term>Quercus (microbiology)</term><term>Quercus (physiology)</term><term>Terpenes (metabolism)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Butadienes</term><term>Hemiterpenes</term><term>Monoterpenes</term><term>Oils, Volatile</term><term>Pentanes</term><term>Terpenes</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Plant Leaves</term><term>Quercus</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Diseases</term><term>Plant Leaves</term><term>Quercus</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Plant Leaves</term><term>Quercus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Ascomycota</term><term>Environment</term><term>Light</term><term>Photosynthesis</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Oak powdery mildew (Erysiphe alphitoides) is a major foliar pathogen of Quercus robur often infecting entire tree stands. In this study, foliage photosynthetic characteristics and constitutive and induced volatile emissions were studied in Q. robur leaves, in order to determine whether the changes in foliage physiological traits are quantitatively associated with the degree of leaf infection, and whether infection changes the light responses of physiological traits. Infection by E. alphitoides reduced net assimilation rate by 3.5-fold and isoprene emission rate by 2.4-fold, and increased stomatal conductance by 1.6-fold in leaves with the largest degree of infection of ∼60%. These alterations in physiological activity were quantitatively associated with the fraction of leaf area infected. In addition, light saturation of net assimilation and isoprene emission was reached at lower light intensity in infected leaves, and infection also reduced the initial quantum yield of isoprene emission. Infection-induced emissions of lipoxygenase pathway volatiles and monoterpenes were light-dependent and scaled positively with the degree of infection. Overall, this study indicates that the reduction of foliage photosynthetic activity and constitutive emissions and the onset of stress volatile emissions scale with the degree of infection, but also that the infection modifies the light responses of foliage physiological activities.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">25428827</PMID><DateCreated><Year>2014</Year><Month>12</Month><Day>27</Day></DateCreated><DateCompleted><Year>2015</Year><Month>08</Month><Day>12</Day></DateCompleted><DateRevised><Year>2016</Year><Month>11</Month><Day>22</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1758-4469</ISSN><JournalIssue CitedMedium="Internet"><Volume>34</Volume><Issue>12</Issue><PubDate><Year>2014</Year><Month>Dec</Month></PubDate></JournalIssue><Title>Tree physiology</Title><ISOAbbreviation>Tree Physiol.</ISOAbbreviation></Journal><ArticleTitle>Oak powdery mildew (Erysiphe alphitoides)-induced volatile emissions scale with the degree of infection in Quercus robur.</ArticleTitle><Pagination><MedlinePgn>1399-410</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1093/treephys/tpu091</ELocationID><Abstract><AbstractText>Oak powdery mildew (Erysiphe alphitoides) is a major foliar pathogen of Quercus robur often infecting entire tree stands. In this study, foliage photosynthetic characteristics and constitutive and induced volatile emissions were studied in Q. robur leaves, in order to determine whether the changes in foliage physiological traits are quantitatively associated with the degree of leaf infection, and whether infection changes the light responses of physiological traits. Infection by E. alphitoides reduced net assimilation rate by 3.5-fold and isoprene emission rate by 2.4-fold, and increased stomatal conductance by 1.6-fold in leaves with the largest degree of infection of ∼60%. These alterations in physiological activity were quantitatively associated with the fraction of leaf area infected. In addition, light saturation of net assimilation and isoprene emission was reached at lower light intensity in infected leaves, and infection also reduced the initial quantum yield of isoprene emission. Infection-induced emissions of lipoxygenase pathway volatiles and monoterpenes were light-dependent and scaled positively with the degree of infection. Overall, this study indicates that the reduction of foliage photosynthetic activity and constitutive emissions and the onset of stress volatile emissions scale with the degree of infection, but also that the infection modifies the light responses of foliage physiological activities.</AbstractText><CopyrightInformation>© The Author 2014. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oup.com.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Copolovici</LastName><ForeName>Lucian</ForeName><Initials>L</Initials><AffiliationInfo><Affiliation>Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, 1 Kreutzwaldi, 51014 Tartu, Estonia Institute of Research, Development, Innovation in Technical and Natural Sciences, 'Aurel Vlaicu' University, 2 Elena Dragoi, 310330 Arad, Romania lucian.copolovici@emu.ee.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Väärtnõu</LastName><ForeName>Fred</ForeName><Initials>F</Initials><AffiliationInfo><Affiliation>Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, 1 Kreutzwaldi, 51014 Tartu, Estonia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Portillo Estrada</LastName><ForeName>Miguel</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, 1 Kreutzwaldi, 51014 Tartu, Estonia Centre of Excellence PLECO (Plant and Vegetation Ecology), Department of Biology, University of Antwerp, Universiteitsplein 1, B-2610, Wilrijk, Belgium.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Niinemets</LastName><ForeName>Ülo</ForeName><Initials>Ü</Initials><AffiliationInfo><Affiliation>Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, 1 Kreutzwaldi, 51014 Tartu, Estonia Estonian Academy of Sciences, 6 Kohtu, 10130 Tallinn, Estonia.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><GrantList CompleteYN="Y"><Grant><GrantID>322603</GrantID><Agency>European Research Council</Agency><Country>International</Country></Grant></GrantList><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2014</Year><Month>11</Month><Day>25</Day></ArticleDate></Article><MedlineJournalInfo><Country>Canada</Country><MedlineTA>Tree Physiol</MedlineTA><NlmUniqueID>100955338</NlmUniqueID><ISSNLinking>0829-318X</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="D039821">Monoterpenes</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D009822">Oils, 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MajorTopicYN="Y">Ascomycota</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002070" MajorTopicYN="N">Butadienes</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004777" MajorTopicYN="N">Environment</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D045782" MajorTopicYN="N">Hemiterpenes</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008027" MajorTopicYN="Y">Light</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D039821" MajorTopicYN="N">Monoterpenes</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009822" MajorTopicYN="N">Oils, Volatile</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010420" 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MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013729" MajorTopicYN="N">Terpenes</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading></MeshHeadingList><OtherID Source="NLM">EMS61508</OtherID><OtherID Source="NLM">PMC4410320</OtherID><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">green leaf volatiles</Keyword><Keyword MajorTopicYN="N">induced emissions</Keyword><Keyword MajorTopicYN="N">isoprene emission</Keyword><Keyword MajorTopicYN="N">light dependency</Keyword><Keyword MajorTopicYN="N">monoterpene emission</Keyword><Keyword MajorTopicYN="N">photosynthesis</Keyword><Keyword MajorTopicYN="N">quantitative responses</Keyword><Keyword MajorTopicYN="N">volatile organic compounds</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2014</Year><Month>11</Month><Day>28</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate 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