Mycorrhizas improve nitrogen nutrition of Trifolium repens after 8 yr of selection under elevated atmospheric CO2 partial pressure.
Identifieur interne : 003513 ( Main/Corpus ); précédent : 003512; suivant : 003514Mycorrhizas improve nitrogen nutrition of Trifolium repens after 8 yr of selection under elevated atmospheric CO2 partial pressure.
Auteurs : Hannes Gamper ; Ueli A. Hartwig ; Adrian LeuchtmannSource :
- The New phytologist [ 0028-646X ] ; 2005.
English descriptors
- KwdEn :
- Atmosphere (analysis), Carbon Dioxide (metabolism), Mycorrhizae (metabolism), Nitrogen (metabolism), Nitrogen Fixation (MeSH), Plant Leaves (growth & development), Plant Leaves (metabolism), Plant Roots (growth & development), Plant Roots (metabolism), Plant Roots (microbiology), Soil (analysis), Switzerland (MeSH), Trifolium (growth & development), Trifolium (metabolism), Trifolium (microbiology).
- MESH :
- chemical , analysis : Soil.
- chemical , metabolism : Carbon Dioxide, Nitrogen.
- analysis : Atmosphere.
- growth & development : Plant Leaves, Plant Roots, Trifolium.
- metabolism : Mycorrhizae, Plant Leaves, Plant Roots, Trifolium.
- microbiology : Plant Roots, Trifolium.
- Nitrogen Fixation, Switzerland.
Abstract
Altered environmental conditions may change populations of arbuscular mycorrhizal fungi and thereby affect mycorrhizal functioning. We investigated whether 8 yr of free-air CO2 enrichment has selected fungi that differently influence the nutrition and growth of host plants. In a controlled pot experiment, two sets of seven randomly picked single spore isolates, originating from field plots of elevated (60 Pa) or ambient CO2 partial pressure (pCO2), were inoculated on nodulated Trifolium repens (white clover) plants. Fungal isolates belonged to the Glomus claroideum or Glomus intraradices species complex, and host plants were clonal micropropagates derived from nine genets. Total nitrogen (N) concentration was increased in leaves of plants inoculated with fungal isolates from elevated-pCO2 plots. These isolates took up nearly twice as much N from the soil as isolates from ambient-pCO2 plots and showed much greater stimulation of biological N2 fixation. The morpho-species identity of isolates had a more pronounced effect on N2 fixation and on root length colonized than isolate identity. We conclude that rising atmospheric pCO2 may select for fungal strains that will help their host plants to meet increased N demands.
DOI: 10.1111/j.1469-8137.2005.01440.x
PubMed: 15998404
Links to Exploration step
pubmed:15998404Le document en format XML
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Hartwig</name></author><author><name sortKey="Leuchtmann, Adrian" sort="Leuchtmann, Adrian" uniqKey="Leuchtmann A" first="Adrian" last="Leuchtmann">Adrian Leuchtmann</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2005">2005</date><idno type="RBID">pubmed:15998404</idno><idno type="pmid">15998404</idno><idno type="doi">10.1111/j.1469-8137.2005.01440.x</idno><idno type="wicri:Area/Main/Corpus">003513</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">003513</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Mycorrhizas improve nitrogen nutrition of Trifolium repens after 8 yr of selection under elevated atmospheric CO2 partial pressure.</title><author><name sortKey="Gamper, Hannes" sort="Gamper, Hannes" uniqKey="Gamper H" first="Hannes" last="Gamper">Hannes Gamper</name><affiliation><nlm:affiliation>Swiss Federal Institute of Technology (ETH Zürich), Geobotanical Institute, Zollikerstrasse 107, CH-8008 Zürich, Switzerland. hag500@york.ac.uk</nlm:affiliation></affiliation></author><author><name sortKey="Hartwig, Ueli A" sort="Hartwig, Ueli A" uniqKey="Hartwig U" first="Ueli A" last="Hartwig">Ueli A. Hartwig</name></author><author><name sortKey="Leuchtmann, Adrian" sort="Leuchtmann, Adrian" uniqKey="Leuchtmann A" first="Adrian" last="Leuchtmann">Adrian Leuchtmann</name></author></analytic><series><title level="j">The New phytologist</title><idno type="ISSN">0028-646X</idno><imprint><date when="2005" type="published">2005</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Atmosphere (analysis)</term><term>Carbon Dioxide (metabolism)</term><term>Mycorrhizae (metabolism)</term><term>Nitrogen (metabolism)</term><term>Nitrogen Fixation (MeSH)</term><term>Plant Leaves (growth & development)</term><term>Plant Leaves (metabolism)</term><term>Plant Roots (growth & development)</term><term>Plant Roots (metabolism)</term><term>Plant Roots (microbiology)</term><term>Soil (analysis)</term><term>Switzerland (MeSH)</term><term>Trifolium (growth & development)</term><term>Trifolium (metabolism)</term><term>Trifolium (microbiology)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Soil</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Carbon Dioxide</term><term>Nitrogen</term></keywords><keywords scheme="MESH" qualifier="analysis" xml:lang="en"><term>Atmosphere</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Plant Leaves</term><term>Plant Roots</term><term>Trifolium</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Mycorrhizae</term><term>Plant Leaves</term><term>Plant Roots</term><term>Trifolium</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Roots</term><term>Trifolium</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Nitrogen Fixation</term><term>Switzerland</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Altered environmental conditions may change populations of arbuscular mycorrhizal fungi and thereby affect mycorrhizal functioning. We investigated whether 8 yr of free-air CO2 enrichment has selected fungi that differently influence the nutrition and growth of host plants. In a controlled pot experiment, two sets of seven randomly picked single spore isolates, originating from field plots of elevated (60 Pa) or ambient CO2 partial pressure (pCO2), were inoculated on nodulated Trifolium repens (white clover) plants. Fungal isolates belonged to the Glomus claroideum or Glomus intraradices species complex, and host plants were clonal micropropagates derived from nine genets. Total nitrogen (N) concentration was increased in leaves of plants inoculated with fungal isolates from elevated-pCO2 plots. These isolates took up nearly twice as much N from the soil as isolates from ambient-pCO2 plots and showed much greater stimulation of biological N2 fixation. The morpho-species identity of isolates had a more pronounced effect on N2 fixation and on root length colonized than isolate identity. We conclude that rising atmospheric pCO2 may select for fungal strains that will help their host plants to meet increased N demands.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">15998404</PMID><DateCompleted><Year>2005</Year><Month>09</Month><Day>29</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0028-646X</ISSN><JournalIssue CitedMedium="Print"><Volume>167</Volume><Issue>2</Issue><PubDate><Year>2005</Year><Month>Aug</Month></PubDate></JournalIssue><Title>The New phytologist</Title><ISOAbbreviation>New Phytol</ISOAbbreviation></Journal><ArticleTitle>Mycorrhizas improve nitrogen nutrition of Trifolium repens after 8 yr of selection under elevated atmospheric CO2 partial pressure.</ArticleTitle><Pagination><MedlinePgn>531-42</MedlinePgn></Pagination><Abstract><AbstractText>Altered environmental conditions may change populations of arbuscular mycorrhizal fungi and thereby affect mycorrhizal functioning. We investigated whether 8 yr of free-air CO2 enrichment has selected fungi that differently influence the nutrition and growth of host plants. In a controlled pot experiment, two sets of seven randomly picked single spore isolates, originating from field plots of elevated (60 Pa) or ambient CO2 partial pressure (pCO2), were inoculated on nodulated Trifolium repens (white clover) plants. Fungal isolates belonged to the Glomus claroideum or Glomus intraradices species complex, and host plants were clonal micropropagates derived from nine genets. Total nitrogen (N) concentration was increased in leaves of plants inoculated with fungal isolates from elevated-pCO2 plots. These isolates took up nearly twice as much N from the soil as isolates from ambient-pCO2 plots and showed much greater stimulation of biological N2 fixation. The morpho-species identity of isolates had a more pronounced effect on N2 fixation and on root length colonized than isolate identity. We conclude that rising atmospheric pCO2 may select for fungal strains that will help their host plants to meet increased N demands.</AbstractText><CopyrightInformation>Copyright New Phytologist (2005).</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Gamper</LastName><ForeName>Hannes</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Swiss Federal Institute of Technology (ETH Zürich), Geobotanical Institute, Zollikerstrasse 107, CH-8008 Zürich, Switzerland. hag500@york.ac.uk</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hartwig</LastName><ForeName>Ueli A</ForeName><Initials>UA</Initials></Author><Author ValidYN="Y"><LastName>Leuchtmann</LastName><ForeName>Adrian</ForeName><Initials>A</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>New Phytol</MedlineTA><NlmUniqueID>9882884</NlmUniqueID><ISSNLinking>0028-646X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012987">Soil</NameOfSubstance></Chemical><Chemical><RegistryNumber>142M471B3J</RegistryNumber><NameOfSubstance UI="D002245">Carbon Dioxide</NameOfSubstance></Chemical><Chemical><RegistryNumber>N762921K75</RegistryNumber><NameOfSubstance UI="D009584">Nitrogen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001272" MajorTopicYN="N">Atmosphere</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002245" MajorTopicYN="N">Carbon Dioxide</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009584" MajorTopicYN="N">Nitrogen</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009586" MajorTopicYN="Y">Nitrogen Fixation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012987" MajorTopicYN="N">Soil</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013557" MajorTopicYN="N">Switzerland</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D029921" MajorTopicYN="N">Trifolium</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2005</Year><Month>7</Month><Day>7</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2005</Year><Month>9</Month><Day>30</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2005</Year><Month>7</Month><Day>7</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">15998404</ArticleId><ArticleId IdType="pii">NPH1440</ArticleId><ArticleId IdType="doi">10.1111/j.1469-8137.2005.01440.x</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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