Effects of multiple climate change factors on the tall fescue-fungal endophyte symbiosis: infection frequency and tissue chemistry.
Identifieur interne : 002498 ( Main/Curation ); précédent : 002497; suivant : 002499Effects of multiple climate change factors on the tall fescue-fungal endophyte symbiosis: infection frequency and tissue chemistry.
Auteurs : Glade B. Brosi [États-Unis] ; Rebecca L. Mcculley ; Lowell P. Bush ; Jim A. Nelson ; Aimée T. Classen ; Richard J. NorbySource :
- The New phytologist [ 1469-8137 ] ; 2011.
Descripteurs français
- KwdFr :
- Alcaloïdes (métabolisme), Azote (métabolisme), Cellulose (métabolisme), Changement climatique (MeSH), Dioxyde de carbone (pharmacologie), Lolium (physiologie), Mycorhizes (physiologie), Neotyphodium (MeSH), Pluie (MeSH), Stress physiologique (MeSH), Symbiose (effets des médicaments et des substances chimiques), Température élevée (MeSH).
- MESH :
- effets des médicaments et des substances chimiques : Symbiose.
- métabolisme : Alcaloïdes, Azote, Cellulose.
- pharmacologie : Dioxyde de carbone.
- physiologie : Lolium, Mycorhizes.
- Changement climatique, Neotyphodium, Pluie, Stress physiologique, Température élevée.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Alkaloids, Cellulose, Nitrogen.
- chemical , pharmacology : Carbon Dioxide.
- drug effects : Symbiosis.
- physiology : Lolium, Mycorrhizae.
- Climate Change, Hot Temperature, Neotyphodium, Rain, Stress, Physiological.
Abstract
• Climate change (altered CO(2) , warming, and precipitation) may affect plant-microbial interactions, such as the Lolium arundinaceum-Neotyphodium coenophialum symbiosis, to alter future ecosystem structure and function. • To assess this possibility, tall fescue tillers were collected from an existing climate manipulation experiment in a constructed old-field community in Tennessee (USA). Endophyte infection frequency (EIF) was determined, and infected (E+) and uninfected (E-) tillers were analysed for tissue chemistry. • The EIF of tall fescue was higher under elevated CO(2) (91% infected) than with ambient CO(2) (81%) but was not affected by warming or precipitation treatments. Within E+ tillers, elevated CO(2) decreased alkaloid concentrations of both ergovaline and loline, by c. 30%; whereas warming increased loline concentrations 28% but had no effect on ergovaline. Independent of endophyte infection, elevated CO(2) reduced concentrations of nitrogen, cellulose, hemicellulose, and lignin. • These results suggest that elevated CO(2) , more than changes in temperature or precipitation, may promote this grass-fungal symbiosis, leading to higher EIF in tall fescue in old-field communities. However, as all three climate factors are likely to change in the future, predicting the symbiotic response and resulting ecological consequences may be difficult and dependent on the specific atmospheric and climatic conditions encountered.
DOI: 10.1111/j.1469-8137.2010.03532.x
PubMed: 21070246
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Bush</name></author><author><name sortKey="Nelson, Jim A" sort="Nelson, Jim A" uniqKey="Nelson J" first="Jim A" last="Nelson">Jim A. Nelson</name></author><author><name sortKey="Classen, Aimee T" sort="Classen, Aimee T" uniqKey="Classen A" first="Aimée T" last="Classen">Aimée T. Classen</name></author><author><name sortKey="Norby, Richard J" sort="Norby, Richard J" uniqKey="Norby R" first="Richard J" last="Norby">Richard J. 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Brosi</name><affiliation wicri:level="1"><nlm:affiliation>Department of Plant and Soil Sciences, University of Kentucky, Lexington, KY 40546-0091, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Plant and Soil Sciences, University of Kentucky, Lexington, KY 40546-0091</wicri:regionArea></affiliation></author><author><name sortKey="Mcculley, Rebecca L" sort="Mcculley, Rebecca L" uniqKey="Mcculley R" first="Rebecca L" last="Mcculley">Rebecca L. Mcculley</name></author><author><name sortKey="Bush, Lowell P" sort="Bush, Lowell P" uniqKey="Bush L" first="Lowell P" last="Bush">Lowell P. Bush</name></author><author><name sortKey="Nelson, Jim A" sort="Nelson, Jim A" uniqKey="Nelson J" first="Jim A" last="Nelson">Jim A. Nelson</name></author><author><name sortKey="Classen, Aimee T" sort="Classen, Aimee T" uniqKey="Classen A" first="Aimée T" last="Classen">Aimée T. Classen</name></author><author><name sortKey="Norby, Richard J" sort="Norby, Richard J" uniqKey="Norby R" first="Richard J" last="Norby">Richard J. Norby</name></author></analytic><series><title level="j">The New phytologist</title><idno type="eISSN">1469-8137</idno><imprint><date when="2011" type="published">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Alkaloids (metabolism)</term><term>Carbon Dioxide (pharmacology)</term><term>Cellulose (metabolism)</term><term>Climate Change (MeSH)</term><term>Hot Temperature (MeSH)</term><term>Lolium (physiology)</term><term>Mycorrhizae (physiology)</term><term>Neotyphodium (MeSH)</term><term>Nitrogen (metabolism)</term><term>Rain (MeSH)</term><term>Stress, Physiological (MeSH)</term><term>Symbiosis (drug effects)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Alcaloïdes (métabolisme)</term><term>Azote (métabolisme)</term><term>Cellulose (métabolisme)</term><term>Changement climatique (MeSH)</term><term>Dioxyde de carbone (pharmacologie)</term><term>Lolium (physiologie)</term><term>Mycorhizes (physiologie)</term><term>Neotyphodium (MeSH)</term><term>Pluie (MeSH)</term><term>Stress physiologique (MeSH)</term><term>Symbiose (effets des médicaments et des substances chimiques)</term><term>Température élevée (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Alkaloids</term><term>Cellulose</term><term>Nitrogen</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Carbon Dioxide</term></keywords><keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Symbiosis</term></keywords><keywords scheme="MESH" qualifier="effets des médicaments et des substances chimiques" xml:lang="fr"><term>Symbiose</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Alcaloïdes</term><term>Azote</term><term>Cellulose</term></keywords><keywords scheme="MESH" qualifier="pharmacologie" xml:lang="fr"><term>Dioxyde de carbone</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Lolium</term><term>Mycorhizes</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Lolium</term><term>Mycorrhizae</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Climate Change</term><term>Hot Temperature</term><term>Neotyphodium</term><term>Rain</term><term>Stress, Physiological</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Changement climatique</term><term>Neotyphodium</term><term>Pluie</term><term>Stress physiologique</term><term>Température élevée</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">• Climate change (altered CO(2) , warming, and precipitation) may affect plant-microbial interactions, such as the Lolium arundinaceum-Neotyphodium coenophialum symbiosis, to alter future ecosystem structure and function. • To assess this possibility, tall fescue tillers were collected from an existing climate manipulation experiment in a constructed old-field community in Tennessee (USA). Endophyte infection frequency (EIF) was determined, and infected (E+) and uninfected (E-) tillers were analysed for tissue chemistry. • The EIF of tall fescue was higher under elevated CO(2) (91% infected) than with ambient CO(2) (81%) but was not affected by warming or precipitation treatments. Within E+ tillers, elevated CO(2) decreased alkaloid concentrations of both ergovaline and loline, by c. 30%; whereas warming increased loline concentrations 28% but had no effect on ergovaline. Independent of endophyte infection, elevated CO(2) reduced concentrations of nitrogen, cellulose, hemicellulose, and lignin. • These results suggest that elevated CO(2) , more than changes in temperature or precipitation, may promote this grass-fungal symbiosis, leading to higher EIF in tall fescue in old-field communities. However, as all three climate factors are likely to change in the future, predicting the symbiotic response and resulting ecological consequences may be difficult and dependent on the specific atmospheric and climatic conditions encountered.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">21070246</PMID><DateCompleted><Year>2011</Year><Month>08</Month><Day>09</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1469-8137</ISSN><JournalIssue CitedMedium="Internet"><Volume>189</Volume><Issue>3</Issue><PubDate><Year>2011</Year><Month>Feb</Month></PubDate></JournalIssue><Title>The New phytologist</Title><ISOAbbreviation>New Phytol</ISOAbbreviation></Journal><ArticleTitle>Effects of multiple climate change factors on the tall fescue-fungal endophyte symbiosis: infection frequency and tissue chemistry.</ArticleTitle><Pagination><MedlinePgn>797-805</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/j.1469-8137.2010.03532.x</ELocationID><Abstract><AbstractText>• Climate change (altered CO(2) , warming, and precipitation) may affect plant-microbial interactions, such as the Lolium arundinaceum-Neotyphodium coenophialum symbiosis, to alter future ecosystem structure and function. • To assess this possibility, tall fescue tillers were collected from an existing climate manipulation experiment in a constructed old-field community in Tennessee (USA). Endophyte infection frequency (EIF) was determined, and infected (E+) and uninfected (E-) tillers were analysed for tissue chemistry. • The EIF of tall fescue was higher under elevated CO(2) (91% infected) than with ambient CO(2) (81%) but was not affected by warming or precipitation treatments. Within E+ tillers, elevated CO(2) decreased alkaloid concentrations of both ergovaline and loline, by c. 30%; whereas warming increased loline concentrations 28% but had no effect on ergovaline. Independent of endophyte infection, elevated CO(2) reduced concentrations of nitrogen, cellulose, hemicellulose, and lignin. • These results suggest that elevated CO(2) , more than changes in temperature or precipitation, may promote this grass-fungal symbiosis, leading to higher EIF in tall fescue in old-field communities. However, as all three climate factors are likely to change in the future, predicting the symbiotic response and resulting ecological consequences may be difficult and dependent on the specific atmospheric and climatic conditions encountered.</AbstractText><CopyrightInformation>© 2010 The Authors. New Phytologist © 2010 New Phytologist Trust.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Brosi</LastName><ForeName>Glade B</ForeName><Initials>GB</Initials><AffiliationInfo><Affiliation>Department of Plant and Soil Sciences, University of Kentucky, Lexington, KY 40546-0091, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>McCulley</LastName><ForeName>Rebecca L</ForeName><Initials>RL</Initials></Author><Author ValidYN="Y"><LastName>Bush</LastName><ForeName>Lowell P</ForeName><Initials>LP</Initials></Author><Author ValidYN="Y"><LastName>Nelson</LastName><ForeName>Jim A</ForeName><Initials>JA</Initials></Author><Author ValidYN="Y"><LastName>Classen</LastName><ForeName>Aimée T</ForeName><Initials>AT</Initials></Author><Author ValidYN="Y"><LastName>Norby</LastName><ForeName>Richard J</ForeName><Initials>RJ</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, Non-P.H.S.</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2010</Year><Month>11</Month><Day>11</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>New Phytol</MedlineTA><NlmUniqueID>9882884</NlmUniqueID><ISSNLinking>0028-646X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000470">Alkaloids</NameOfSubstance></Chemical><Chemical><RegistryNumber>142M471B3J</RegistryNumber><NameOfSubstance UI="D002245">Carbon Dioxide</NameOfSubstance></Chemical><Chemical><RegistryNumber>9004-34-6</RegistryNumber><NameOfSubstance UI="D002482">Cellulose</NameOfSubstance></Chemical><Chemical><RegistryNumber>N762921K75</RegistryNumber><NameOfSubstance UI="D009584">Nitrogen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000470" MajorTopicYN="N">Alkaloids</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002245" MajorTopicYN="N">Carbon Dioxide</DescriptorName><QualifierName UI="Q000494" MajorTopicYN="Y">pharmacology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002482" MajorTopicYN="N">Cellulose</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D057231" MajorTopicYN="Y">Climate Change</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006358" MajorTopicYN="Y">Hot Temperature</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008129" MajorTopicYN="N">Lolium</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D055328" MajorTopicYN="Y">Neotyphodium</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009584" MajorTopicYN="N">Nitrogen</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D011891" MajorTopicYN="N">Rain</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013312" MajorTopicYN="N">Stress, Physiological</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013559" MajorTopicYN="Y">Symbiosis</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2010</Year><Month>11</Month><Day>13</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2010</Year><Month>11</Month><Day>13</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2011</Year><Month>8</Month><Day>10</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">21070246</ArticleId><ArticleId IdType="doi">10.1111/j.1469-8137.2010.03532.x</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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