Trade-offs between arbuscular mycorrhizal fungal competitive ability and host growth promotion in Plantago lanceolata.
Identifieur interne : 002857 ( Main/Exploration ); précédent : 002856; suivant : 002858Trade-offs between arbuscular mycorrhizal fungal competitive ability and host growth promotion in Plantago lanceolata.
Auteurs : Alison Elizabeth Bennett [États-Unis] ; James D. BeverSource :
- Oecologia [ 1432-1939 ] ; 2009.
Descripteurs français
- KwdFr :
- MESH :
- croissance et développement : Plantago.
- microbiologie : Plantago, Racines de plante.
- physiologie : Glomeromycota, Mycorhizes.
- Analyse de variance, Caroline du Nord, Spécificité d'espèce, Symbiose.
English descriptors
- KwdEn :
- MESH :
- geographic : North Carolina.
- growth & development : Plantago.
- microbiology : Plant Roots, Plantago.
- physiology : Glomeromycota, Mycorrhizae.
- Analysis of Variance, Species Specificity, Symbiosis.
Abstract
In this study we tested for trade-offs between the benefit arbuscular mycorrhizal (AM) fungi provide for hosts and their competitive ability in host roots, and whether this potential trade-off shifts in the presence of a plant stress (herbivory). We used three species of AM fungi previously determined to vary in host growth promotion and spore production in association with host plants. We found that these AM fungal species competed for root space, and the best competitor, Scutellospora calospora, was the worst mutualist. In addition, the worst competitor, Glomus white, was the best mutualist. Competition proved to have stronger effects on fungal infection patterns than herbivory, and competitive dominance was not altered by herbivory. We found a similar pattern in a previous test of competition among AM fungi, and we discuss the implications of these results for the persistence of the mutualism and feedbacks between AM fungi and their plant hosts.
DOI: 10.1007/s00442-009-1345-6
PubMed: 19377897
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Bever</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2009">2009</date><idno type="RBID">pubmed:19377897</idno><idno type="pmid">19377897</idno><idno type="doi">10.1007/s00442-009-1345-6</idno><idno type="wicri:Area/Main/Corpus">002990</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">002990</idno><idno type="wicri:Area/Main/Curation">002990</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">002990</idno><idno type="wicri:Area/Main/Exploration">002990</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Trade-offs between arbuscular mycorrhizal fungal competitive ability and host growth promotion in Plantago lanceolata.</title><author><name sortKey="Bennett, Alison Elizabeth" sort="Bennett, Alison Elizabeth" uniqKey="Bennett A" first="Alison Elizabeth" last="Bennett">Alison Elizabeth Bennett</name><affiliation wicri:level="2"><nlm:affiliation>Indiana University, Bloomington, IN 47405, USA. alibenne@bio.indiana.edu</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Indiana University, Bloomington, IN 47405</wicri:regionArea><placeName><region type="state">Indiana</region></placeName></affiliation></author><author><name sortKey="Bever, James D" sort="Bever, James D" uniqKey="Bever J" first="James D" last="Bever">James D. 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We used three species of AM fungi previously determined to vary in host growth promotion and spore production in association with host plants. We found that these AM fungal species competed for root space, and the best competitor, Scutellospora calospora, was the worst mutualist. In addition, the worst competitor, Glomus white, was the best mutualist. Competition proved to have stronger effects on fungal infection patterns than herbivory, and competitive dominance was not altered by herbivory. We found a similar pattern in a previous test of competition among AM fungi, and we discuss the implications of these results for the persistence of the mutualism and feedbacks between AM fungi and their plant hosts.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">19377897</PMID><DateCompleted><Year>2009</Year><Month>09</Month><Day>09</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1432-1939</ISSN><JournalIssue CitedMedium="Internet"><Volume>160</Volume><Issue>4</Issue><PubDate><Year>2009</Year><Month>Jul</Month></PubDate></JournalIssue><Title>Oecologia</Title><ISOAbbreviation>Oecologia</ISOAbbreviation></Journal><ArticleTitle>Trade-offs between arbuscular mycorrhizal fungal competitive ability and host growth promotion in Plantago lanceolata.</ArticleTitle><Pagination><MedlinePgn>807-16</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s00442-009-1345-6</ELocationID><Abstract><AbstractText>In this study we tested for trade-offs between the benefit arbuscular mycorrhizal (AM) fungi provide for hosts and their competitive ability in host roots, and whether this potential trade-off shifts in the presence of a plant stress (herbivory). We used three species of AM fungi previously determined to vary in host growth promotion and spore production in association with host plants. We found that these AM fungal species competed for root space, and the best competitor, Scutellospora calospora, was the worst mutualist. In addition, the worst competitor, Glomus white, was the best mutualist. Competition proved to have stronger effects on fungal infection patterns than herbivory, and competitive dominance was not altered by herbivory. We found a similar pattern in a previous test of competition among AM fungi, and we discuss the implications of these results for the persistence of the mutualism and feedbacks between AM fungi and their plant hosts.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Bennett</LastName><ForeName>Alison Elizabeth</ForeName><Initials>AE</Initials><AffiliationInfo><Affiliation>Indiana University, Bloomington, IN 47405, USA. alibenne@bio.indiana.edu</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Bever</LastName><ForeName>James D</ForeName><Initials>JD</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 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Bever</name></noCountry><country name="États-Unis"><region name="Indiana"><name sortKey="Bennett, Alison Elizabeth" sort="Bennett, Alison Elizabeth" uniqKey="Bennett A" first="Alison Elizabeth" last="Bennett">Alison Elizabeth Bennett</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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