Geographic structure in a widespread plant-mycorrhizal interaction: pines and false truffles.
Identifieur interne : 002F87 ( Main/Exploration ); précédent : 002F86; suivant : 002F88Geographic structure in a widespread plant-mycorrhizal interaction: pines and false truffles.
Auteurs : J D Hoeksema [États-Unis] ; J N ThompsonSource :
- Journal of evolutionary biology [ 1010-061X ] ; 2007.
Descripteurs français
- KwdFr :
- MESH :
- croissance et développement : Pinus, Racines de plante.
- microbiologie : Pinus, Racines de plante.
- physiologie : Basidiomycota, Mycorhizes.
- Adaptation physiologique, Géographie, Évolution biologique.
English descriptors
- KwdEn :
- MESH :
- growth & development : Pinus, Plant Roots.
- microbiology : Pinus, Plant Roots.
- physiology : Basidiomycota, Mycorrhizae.
- Adaptation, Physiological, Biological Evolution, Geography.
Abstract
Mutualistic interactions are likely to exhibit a strong geographic mosaic in their coevolutionary dynamics, but the structure of geographic variation in these interactions is much more poorly characterized than in host-parasite interactions. We used a cross-inoculation experiment to characterize the scales and patterns at which geographic structure has evolved in an interaction between three pine species and one ectomycorrhizal fungus species along the west coast of North America. We found substantial and contrasting patterns of geographic interaction structure for the plants and fungi. The fungi exhibited a clinal pattern of local adaptation to their host plants across the geographic range of three coastal pines. In contrast, plant growth parameters were unaffected by fungal variation, but varied among plant populations and species. Both plant and fungal performance measures varied strongly with latitude. This set of results indicates that in such widespread species interactions, interacting species may evolve asymmetrically in a geographic mosaic because of differing evolutionary responses to clinally varying biotic and abiotic factors.
DOI: 10.1111/j.1420-9101.2006.01287.x
PubMed: 17465924
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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We used a cross-inoculation experiment to characterize the scales and patterns at which geographic structure has evolved in an interaction between three pine species and one ectomycorrhizal fungus species along the west coast of North America. We found substantial and contrasting patterns of geographic interaction structure for the plants and fungi. The fungi exhibited a clinal pattern of local adaptation to their host plants across the geographic range of three coastal pines. In contrast, plant growth parameters were unaffected by fungal variation, but varied among plant populations and species. Both plant and fungal performance measures varied strongly with latitude. This set of results indicates that in such widespread species interactions, interacting species may evolve asymmetrically in a geographic mosaic because of differing evolutionary responses to clinally varying biotic and abiotic factors.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">17465924</PMID><DateCompleted><Year>2007</Year><Month>06</Month><Day>19</Day></DateCompleted><DateRevised><Year>2010</Year><Month>11</Month><Day>18</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">1010-061X</ISSN><JournalIssue CitedMedium="Print"><Volume>20</Volume><Issue>3</Issue><PubDate><Year>2007</Year><Month>May</Month></PubDate></JournalIssue><Title>Journal of evolutionary biology</Title><ISOAbbreviation>J Evol Biol</ISOAbbreviation></Journal><ArticleTitle>Geographic structure in a widespread plant-mycorrhizal interaction: pines and false truffles.</ArticleTitle><Pagination><MedlinePgn>1148-63</MedlinePgn></Pagination><Abstract><AbstractText>Mutualistic interactions are likely to exhibit a strong geographic mosaic in their coevolutionary dynamics, but the structure of geographic variation in these interactions is much more poorly characterized than in host-parasite interactions. We used a cross-inoculation experiment to characterize the scales and patterns at which geographic structure has evolved in an interaction between three pine species and one ectomycorrhizal fungus species along the west coast of North America. We found substantial and contrasting patterns of geographic interaction structure for the plants and fungi. The fungi exhibited a clinal pattern of local adaptation to their host plants across the geographic range of three coastal pines. In contrast, plant growth parameters were unaffected by fungal variation, but varied among plant populations and species. Both plant and fungal performance measures varied strongly with latitude. 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