Changes in arbuscular mycorrhizal fungal phenotypes and genotypes in response to plant species identity and phosphorus concentration.
Identifieur interne : 002887 ( Main/Corpus ); précédent : 002886; suivant : 002888Changes in arbuscular mycorrhizal fungal phenotypes and genotypes in response to plant species identity and phosphorus concentration.
Auteurs : Martine Ehinger ; Alexander M. Koch ; Ian R. SandersSource :
- The New phytologist [ 1469-8137 ] ; 2009.
English descriptors
- KwdEn :
- Biological Evolution (MeSH), Ecosystem (MeSH), Environment (MeSH), Genotype (MeSH), Glomeromycota (genetics), Mycorrhizae (genetics), Phenotype (MeSH), Phosphorus (MeSH), Plants (classification), Plants (genetics), Polymorphism, Genetic (MeSH), Selection, Genetic (MeSH), Soil (MeSH), Species Specificity (MeSH).
- MESH :
- chemical : Phosphorus, Soil.
- classification : Plants.
- genetics : Glomeromycota, Mycorrhizae, Plants.
- Biological Evolution, Ecosystem, Environment, Genotype, Phenotype, Polymorphism, Genetic, Selection, Genetic, Species Specificity.
Abstract
* Arbuscular mycorrhizal fungi (AMF) are plant symbionts that improve floristic diversity and ecosystem productivity. Many AMF species are generalists with wide host ranges. Arbuscular mycorrhizal fungi individuals are heterokaryotic, and AMF populations are genetically diverse. Populations of AMF harbor two levels of genetic diversity on which selection can act, namely among individuals and within individuals. Whether environmental factors alter genetic diversity within populations is still unknown. * Here, we measured genetic changes and changes in fitness-related traits of genetically distinct AMF individuals from one field, grown with different concentrations of available phosphate or different host species. * We found significant genotype-by-environment interactions for AMF fitness traits in response to these treatments. Host identity had a strong effect on the fitness of different AMF, unearthing a specificity of response within Glomus intraradices. Arbuscular mycorrhizal fungi individuals grown in novel environments consistently showed a reduced presence of polymorphic genetic markers, providing some evidence for host or phosphate-induced genetic change in AMF. * Given that AMF individuals can form extensive hyphal networks colonizing different hosts simultaneously, contrasting habitats or soil properties may lead to evolution in the population. Local selection may alter the structure of AMF populations and maintain genetic diversity, potentially even within the hyphal network of one fungus.
DOI: 10.1111/j.1469-8137.2009.02983.x
PubMed: 19674324
Links to Exploration step
pubmed:19674324Le document en format XML
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Sanders</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2009">2009</date><idno type="RBID">pubmed:19674324</idno><idno type="pmid">19674324</idno><idno type="doi">10.1111/j.1469-8137.2009.02983.x</idno><idno type="wicri:Area/Main/Corpus">002887</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">002887</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Changes in arbuscular mycorrhizal fungal phenotypes and genotypes in response to plant species identity and phosphorus concentration.</title><author><name sortKey="Ehinger, Martine" sort="Ehinger, Martine" uniqKey="Ehinger M" first="Martine" last="Ehinger">Martine Ehinger</name><affiliation><nlm:affiliation>Department of Ecology and Evolution, Biophore Building, University of Lausanne, 1015 Lausanne, Switzerland.</nlm:affiliation></affiliation></author><author><name sortKey="Koch, Alexander M" sort="Koch, Alexander M" uniqKey="Koch A" first="Alexander M" last="Koch">Alexander M. Koch</name></author><author><name sortKey="Sanders, Ian R" sort="Sanders, Ian R" uniqKey="Sanders I" first="Ian R" last="Sanders">Ian R. Sanders</name></author></analytic><series><title level="j">The New phytologist</title><idno type="eISSN">1469-8137</idno><imprint><date when="2009" type="published">2009</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biological Evolution (MeSH)</term><term>Ecosystem (MeSH)</term><term>Environment (MeSH)</term><term>Genotype (MeSH)</term><term>Glomeromycota (genetics)</term><term>Mycorrhizae (genetics)</term><term>Phenotype (MeSH)</term><term>Phosphorus (MeSH)</term><term>Plants (classification)</term><term>Plants (genetics)</term><term>Polymorphism, Genetic (MeSH)</term><term>Selection, Genetic (MeSH)</term><term>Soil (MeSH)</term><term>Species Specificity (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Phosphorus</term><term>Soil</term></keywords><keywords scheme="MESH" qualifier="classification" xml:lang="en"><term>Plants</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Glomeromycota</term><term>Mycorrhizae</term><term>Plants</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biological Evolution</term><term>Ecosystem</term><term>Environment</term><term>Genotype</term><term>Phenotype</term><term>Polymorphism, Genetic</term><term>Selection, Genetic</term><term>Species Specificity</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">* Arbuscular mycorrhizal fungi (AMF) are plant symbionts that improve floristic diversity and ecosystem productivity. Many AMF species are generalists with wide host ranges. Arbuscular mycorrhizal fungi individuals are heterokaryotic, and AMF populations are genetically diverse. Populations of AMF harbor two levels of genetic diversity on which selection can act, namely among individuals and within individuals. Whether environmental factors alter genetic diversity within populations is still unknown. * Here, we measured genetic changes and changes in fitness-related traits of genetically distinct AMF individuals from one field, grown with different concentrations of available phosphate or different host species. * We found significant genotype-by-environment interactions for AMF fitness traits in response to these treatments. Host identity had a strong effect on the fitness of different AMF, unearthing a specificity of response within Glomus intraradices. Arbuscular mycorrhizal fungi individuals grown in novel environments consistently showed a reduced presence of polymorphic genetic markers, providing some evidence for host or phosphate-induced genetic change in AMF. * Given that AMF individuals can form extensive hyphal networks colonizing different hosts simultaneously, contrasting habitats or soil properties may lead to evolution in the population. Local selection may alter the structure of AMF populations and maintain genetic diversity, potentially even within the hyphal network of one fungus.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">19674324</PMID><DateCompleted><Year>2010</Year><Month>02</Month><Day>03</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>184</Volume><Issue>2</Issue><PubDate><Year>2009</Year><Month>Oct</Month></PubDate></JournalIssue><Title>The New phytologist</Title><ISOAbbreviation>New Phytol</ISOAbbreviation></Journal><ArticleTitle>Changes in arbuscular mycorrhizal fungal phenotypes and genotypes in response to plant species identity and phosphorus concentration.</ArticleTitle><Pagination><MedlinePgn>412-23</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/j.1469-8137.2009.02983.x</ELocationID><Abstract><AbstractText>* Arbuscular mycorrhizal fungi (AMF) are plant symbionts that improve floristic diversity and ecosystem productivity. Many AMF species are generalists with wide host ranges. Arbuscular mycorrhizal fungi individuals are heterokaryotic, and AMF populations are genetically diverse. Populations of AMF harbor two levels of genetic diversity on which selection can act, namely among individuals and within individuals. Whether environmental factors alter genetic diversity within populations is still unknown. * Here, we measured genetic changes and changes in fitness-related traits of genetically distinct AMF individuals from one field, grown with different concentrations of available phosphate or different host species. * We found significant genotype-by-environment interactions for AMF fitness traits in response to these treatments. Host identity had a strong effect on the fitness of different AMF, unearthing a specificity of response within Glomus intraradices. Arbuscular mycorrhizal fungi individuals grown in novel environments consistently showed a reduced presence of polymorphic genetic markers, providing some evidence for host or phosphate-induced genetic change in AMF. * Given that AMF individuals can form extensive hyphal networks colonizing different hosts simultaneously, contrasting habitats or soil properties may lead to evolution in the population. Local selection may alter the structure of AMF populations and maintain genetic diversity, potentially even within the hyphal network of one fungus.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Ehinger</LastName><ForeName>Martine</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Department of Ecology and Evolution, Biophore Building, University of Lausanne, 1015 Lausanne, Switzerland.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Koch</LastName><ForeName>Alexander M</ForeName><Initials>AM</Initials></Author><Author ValidYN="Y"><LastName>Sanders</LastName><ForeName>Ian R</ForeName><Initials>IR</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><ArticleDate DateType="Electronic"><Year>2009</Year><Month>07</Month><Day>04</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="D012987">Soil</NameOfSubstance></Chemical><Chemical><RegistryNumber>27YLU75U4W</RegistryNumber><NameOfSubstance UI="D010758">Phosphorus</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D005075" MajorTopicYN="N">Biological Evolution</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="N">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D004777" MajorTopicYN="Y">Environment</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005838" MajorTopicYN="Y">Genotype</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D055137" MajorTopicYN="N">Glomeromycota</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010641" MajorTopicYN="Y">Phenotype</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010758" MajorTopicYN="Y">Phosphorus</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010944" MajorTopicYN="N">Plants</DescriptorName><QualifierName UI="Q000145" MajorTopicYN="N">classification</QualifierName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D011110" MajorTopicYN="N">Polymorphism, Genetic</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012641" MajorTopicYN="N">Selection, Genetic</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012987" MajorTopicYN="N">Soil</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013045" MajorTopicYN="N">Species Specificity</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2009</Year><Month>8</Month><Day>14</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2009</Year><Month>8</Month><Day>14</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2010</Year><Month>2</Month><Day>4</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">19674324</ArticleId><ArticleId IdType="pii">NPH2983</ArticleId><ArticleId IdType="doi">10.1111/j.1469-8137.2009.02983.x</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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