Competition and facilitation in synthetic communities of arbuscular mycorrhizal fungi.
Identifieur interne : 001A21 ( Main/Corpus ); précédent : 001A20; suivant : 001A22Competition and facilitation in synthetic communities of arbuscular mycorrhizal fungi.
Auteurs : Cécile Thonar ; Emmanuel Frossard ; Petr Smilauer ; Jan JansaSource :
- Molecular ecology [ 1365-294X ] ; 2014.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Phosphorus.
- growth & development : Medicago truncatula, Mycorrhizae.
- metabolism : Plant Roots.
- microbiology : Medicago truncatula, Plant Roots.
- Biomass, Microbial Consortia, Models, Biological, Symbiosis.
Abstract
Interactions between arbuscular mycorrhizal fungal (AMF) species cocolonizing the same host plant are still little understood in spite of major ecological significance of mycorrhizal symbiosis and widespread occurrence of these fungi in communities rather than alone. Furthermore, shifting the composition of AMF communities has demonstrated consequences for the provision of symbiotic benefits to the host as well as for the qualities of ecosystem services. Therefore, here we addressed the nature and strength of interactions between three different AMF species in all possible two-species combinations on a gradient of inoculation densities. Fungal communities were established in pots with Medicago truncatula plants, and their composition was assessed with taxon-specific real-time PCR markers. Nature of interactions between the fungi was varying from competition to facilitation and was influenced by both the identity and relative abundance of the coinoculated fungi. Plants coinoculated with Claroideoglomus and Rhizophagus grew bigger and contained more phosphorus than with any of these two fungi separately, although these fungi obviously competed for root colonization. On the other hand, plants coinoculated with Gigaspora and Rhizophagus, which facilitated each other's root colonization, grew smaller than with any of these fungi separately. Our results point to as yet little understood complexity of interactions in plant-associated symbiotic fungal communities, which, depending on their composition, can induce significant changes in plant host growth and/or phosphorus acquisition in either direction.
DOI: 10.1111/mec.12625
PubMed: 24330316
Links to Exploration step
pubmed:24330316Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Competition and facilitation in synthetic communities of arbuscular mycorrhizal fungi.</title><author><name sortKey="Thonar, Cecile" sort="Thonar, Cecile" uniqKey="Thonar C" first="Cécile" last="Thonar">Cécile Thonar</name><affiliation><nlm:affiliation>Institute of Agricultural Sciences, ETH Zurich, Eschikon 33, 8315, Lindau, Switzerland; Research Institute for Organic Agriculture (FiBL), Ackerstrasse, 5070, Frick, Switzerland.</nlm:affiliation></affiliation></author><author><name sortKey="Frossard, Emmanuel" sort="Frossard, Emmanuel" uniqKey="Frossard E" first="Emmanuel" last="Frossard">Emmanuel Frossard</name></author><author><name sortKey="Smilauer, Petr" sort="Smilauer, Petr" uniqKey="Smilauer P" first="Petr" last="Smilauer">Petr Smilauer</name></author><author><name sortKey="Jansa, Jan" sort="Jansa, Jan" uniqKey="Jansa J" first="Jan" last="Jansa">Jan Jansa</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2014">2014</date><idno type="RBID">pubmed:24330316</idno><idno type="pmid">24330316</idno><idno type="doi">10.1111/mec.12625</idno><idno type="wicri:Area/Main/Corpus">001A21</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">001A21</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Competition and facilitation in synthetic communities of arbuscular mycorrhizal fungi.</title><author><name sortKey="Thonar, Cecile" sort="Thonar, Cecile" uniqKey="Thonar C" first="Cécile" last="Thonar">Cécile Thonar</name><affiliation><nlm:affiliation>Institute of Agricultural Sciences, ETH Zurich, Eschikon 33, 8315, Lindau, Switzerland; Research Institute for Organic Agriculture (FiBL), Ackerstrasse, 5070, Frick, Switzerland.</nlm:affiliation></affiliation></author><author><name sortKey="Frossard, Emmanuel" sort="Frossard, Emmanuel" uniqKey="Frossard E" first="Emmanuel" last="Frossard">Emmanuel Frossard</name></author><author><name sortKey="Smilauer, Petr" sort="Smilauer, Petr" uniqKey="Smilauer P" first="Petr" last="Smilauer">Petr Smilauer</name></author><author><name sortKey="Jansa, Jan" sort="Jansa, Jan" uniqKey="Jansa J" first="Jan" last="Jansa">Jan Jansa</name></author></analytic><series><title level="j">Molecular ecology</title><idno type="eISSN">1365-294X</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biomass (MeSH)</term><term>Medicago truncatula (growth & development)</term><term>Medicago truncatula (microbiology)</term><term>Microbial Consortia (MeSH)</term><term>Models, Biological (MeSH)</term><term>Mycorrhizae (growth & development)</term><term>Phosphorus (metabolism)</term><term>Plant Roots (metabolism)</term><term>Plant Roots (microbiology)</term><term>Symbiosis (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Phosphorus</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Medicago truncatula</term><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Plant Roots</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Medicago truncatula</term><term>Plant Roots</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biomass</term><term>Microbial Consortia</term><term>Models, Biological</term><term>Symbiosis</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Interactions between arbuscular mycorrhizal fungal (AMF) species cocolonizing the same host plant are still little understood in spite of major ecological significance of mycorrhizal symbiosis and widespread occurrence of these fungi in communities rather than alone. Furthermore, shifting the composition of AMF communities has demonstrated consequences for the provision of symbiotic benefits to the host as well as for the qualities of ecosystem services. Therefore, here we addressed the nature and strength of interactions between three different AMF species in all possible two-species combinations on a gradient of inoculation densities. Fungal communities were established in pots with Medicago truncatula plants, and their composition was assessed with taxon-specific real-time PCR markers. Nature of interactions between the fungi was varying from competition to facilitation and was influenced by both the identity and relative abundance of the coinoculated fungi. Plants coinoculated with Claroideoglomus and Rhizophagus grew bigger and contained more phosphorus than with any of these two fungi separately, although these fungi obviously competed for root colonization. On the other hand, plants coinoculated with Gigaspora and Rhizophagus, which facilitated each other's root colonization, grew smaller than with any of these fungi separately. Our results point to as yet little understood complexity of interactions in plant-associated symbiotic fungal communities, which, depending on their composition, can induce significant changes in plant host growth and/or phosphorus acquisition in either direction.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">24330316</PMID><DateCompleted><Year>2014</Year><Month>05</Month><Day>22</Day></DateCompleted><DateRevised><Year>2014</Year><Month>01</Month><Day>23</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1365-294X</ISSN><JournalIssue CitedMedium="Internet"><Volume>23</Volume><Issue>3</Issue><PubDate><Year>2014</Year><Month>Feb</Month></PubDate></JournalIssue><Title>Molecular ecology</Title><ISOAbbreviation>Mol Ecol</ISOAbbreviation></Journal><ArticleTitle>Competition and facilitation in synthetic communities of arbuscular mycorrhizal fungi.</ArticleTitle><Pagination><MedlinePgn>733-46</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/mec.12625</ELocationID><Abstract><AbstractText>Interactions between arbuscular mycorrhizal fungal (AMF) species cocolonizing the same host plant are still little understood in spite of major ecological significance of mycorrhizal symbiosis and widespread occurrence of these fungi in communities rather than alone. Furthermore, shifting the composition of AMF communities has demonstrated consequences for the provision of symbiotic benefits to the host as well as for the qualities of ecosystem services. Therefore, here we addressed the nature and strength of interactions between three different AMF species in all possible two-species combinations on a gradient of inoculation densities. Fungal communities were established in pots with Medicago truncatula plants, and their composition was assessed with taxon-specific real-time PCR markers. Nature of interactions between the fungi was varying from competition to facilitation and was influenced by both the identity and relative abundance of the coinoculated fungi. Plants coinoculated with Claroideoglomus and Rhizophagus grew bigger and contained more phosphorus than with any of these two fungi separately, although these fungi obviously competed for root colonization. On the other hand, plants coinoculated with Gigaspora and Rhizophagus, which facilitated each other's root colonization, grew smaller than with any of these fungi separately. Our results point to as yet little understood complexity of interactions in plant-associated symbiotic fungal communities, which, depending on their composition, can induce significant changes in plant host growth and/or phosphorus acquisition in either direction.</AbstractText><CopyrightInformation>© 2013 John Wiley & Sons Ltd.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Thonar</LastName><ForeName>Cécile</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Institute of Agricultural Sciences, ETH Zurich, Eschikon 33, 8315, Lindau, Switzerland; Research Institute for Organic Agriculture (FiBL), Ackerstrasse, 5070, Frick, Switzerland.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Frossard</LastName><ForeName>Emmanuel</ForeName><Initials>E</Initials></Author><Author ValidYN="Y"><LastName>Smilauer</LastName><ForeName>Petr</ForeName><Initials>P</Initials></Author><Author ValidYN="Y"><LastName>Jansa</LastName><ForeName>Jan</ForeName><Initials>J</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>Mol Ecol</MedlineTA><NlmUniqueID>9214478</NlmUniqueID><ISSNLinking>0962-1083</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>27YLU75U4W</RegistryNumber><NameOfSubstance UI="D010758">Phosphorus</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D018533" MajorTopicYN="N">Biomass</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D046913" MajorTopicYN="N">Medicago truncatula</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D059013" MajorTopicYN="N">Microbial Consortia</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008954" MajorTopicYN="N">Models, Biological</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010758" MajorTopicYN="N">Phosphorus</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013559" MajorTopicYN="Y">Symbiosis</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Claroideoglomus claroideum</Keyword><Keyword MajorTopicYN="N">Gigaspora margarita</Keyword><Keyword MajorTopicYN="N">Rhizophagus irregularis</Keyword><Keyword MajorTopicYN="N">barrel medic (Medicago truncatula)</Keyword><Keyword MajorTopicYN="N">functional complementarity</Keyword><Keyword MajorTopicYN="N">quantitative real-time PCR</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2012</Year><Month>12</Month><Day>09</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2013</Year><Month>11</Month><Day>26</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2013</Year><Month>12</Month><Day>06</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2013</Year><Month>12</Month><Day>17</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2013</Year><Month>12</Month><Day>18</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2014</Year><Month>5</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">24330316</ArticleId><ArticleId IdType="doi">10.1111/mec.12625</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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