Below-ground plant-fungus network topology is not congruent with above-ground plant-animal network topology.
Identifieur interne : 001269 ( Main/Corpus ); précédent : 001268; suivant : 001270Below-ground plant-fungus network topology is not congruent with above-ground plant-animal network topology.
Auteurs : Hirokazu Toju ; Paulo R. Guimarães ; Jens M. Olesen ; John N. ThompsonSource :
- Science advances [ 2375-2548 ] ; 2015.
Abstract
In nature, plants and their pollinating and/or seed-dispersing animals form complex interaction networks. The commonly observed pattern of links between specialists and generalists in these networks has been predicted to promote species coexistence. Plants also build highly species-rich mutualistic networks below ground with root-associated fungi, and the structure of these plant-fungus networks may also affect terrestrial community processes. By compiling high-throughput DNA sequencing data sets of the symbiosis of plants and their root-associated fungi from three localities along a latitudinal gradient, we uncovered the entire network architecture of these interactions under contrasting environmental conditions. Each network included more than 30 plant species and hundreds of mycorrhizal and endophytic fungi belonging to diverse phylogenetic groups. The results were consistent with the notion that processes shaping host-plant specialization of fungal species generate a unique linkage pattern that strongly contrasts with the pattern of above-ground plant-partner networks. Specifically, plant-fungus networks lacked a "nested" architecture, which has been considered to promote species coexistence in plant-partner networks. Rather, the below-ground networks had a conspicuous "antinested" topology. Our findings lead to the working hypothesis that terrestrial plant community dynamics are likely determined by the balance between above-ground and below-ground webs of interspecific interactions.
DOI: 10.1126/sciadv.1500291
PubMed: 26601279
PubMed Central: PMC4646793
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Olesen</name><affiliation><nlm:affiliation>Department of Bioscience, Aarhus University, Ny Munkegade 114, 8000 Aarhus C, Denmark.</nlm:affiliation></affiliation></author><author><name sortKey="Thompson, John N" sort="Thompson, John N" uniqKey="Thompson J" first="John N" last="Thompson">John N. 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Guimarães</name><affiliation><nlm:affiliation>Departamento de Ecologia, Instituto de Biociências, Universidade de São Paulo, São Paulo 05508-900, São Paulo, Brazil.</nlm:affiliation></affiliation></author><author><name sortKey="Olesen, Jens M" sort="Olesen, Jens M" uniqKey="Olesen J" first="Jens M" last="Olesen">Jens M. Olesen</name><affiliation><nlm:affiliation>Department of Bioscience, Aarhus University, Ny Munkegade 114, 8000 Aarhus C, Denmark.</nlm:affiliation></affiliation></author><author><name sortKey="Thompson, John N" sort="Thompson, John N" uniqKey="Thompson J" first="John N" last="Thompson">John N. Thompson</name><affiliation><nlm:affiliation>Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, CA 95064, USA.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Science advances</title><idno type="ISSN">2375-2548</idno><imprint><date when="2015" type="published">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In nature, plants and their pollinating and/or seed-dispersing animals form complex interaction networks. The commonly observed pattern of links between specialists and generalists in these networks has been predicted to promote species coexistence. Plants also build highly species-rich mutualistic networks below ground with root-associated fungi, and the structure of these plant-fungus networks may also affect terrestrial community processes. By compiling high-throughput DNA sequencing data sets of the symbiosis of plants and their root-associated fungi from three localities along a latitudinal gradient, we uncovered the entire network architecture of these interactions under contrasting environmental conditions. Each network included more than 30 plant species and hundreds of mycorrhizal and endophytic fungi belonging to diverse phylogenetic groups. The results were consistent with the notion that processes shaping host-plant specialization of fungal species generate a unique linkage pattern that strongly contrasts with the pattern of above-ground plant-partner networks. Specifically, plant-fungus networks lacked a "nested" architecture, which has been considered to promote species coexistence in plant-partner networks. Rather, the below-ground networks had a conspicuous "antinested" topology. Our findings lead to the working hypothesis that terrestrial plant community dynamics are likely determined by the balance between above-ground and below-ground webs of interspecific interactions. </div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">26601279</PMID><DateCompleted><Year>2015</Year><Month>11</Month><Day>25</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Electronic-eCollection"><Journal><ISSN IssnType="Print">2375-2548</ISSN><JournalIssue CitedMedium="Print"><Volume>1</Volume><Issue>9</Issue><PubDate><Year>2015</Year><Month>Oct</Month></PubDate></JournalIssue><Title>Science advances</Title><ISOAbbreviation>Sci Adv</ISOAbbreviation></Journal><ArticleTitle>Below-ground plant-fungus network topology is not congruent with above-ground plant-animal network topology.</ArticleTitle><Pagination><MedlinePgn>e1500291</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1126/sciadv.1500291</ELocationID><Abstract><AbstractText>In nature, plants and their pollinating and/or seed-dispersing animals form complex interaction networks. The commonly observed pattern of links between specialists and generalists in these networks has been predicted to promote species coexistence. Plants also build highly species-rich mutualistic networks below ground with root-associated fungi, and the structure of these plant-fungus networks may also affect terrestrial community processes. By compiling high-throughput DNA sequencing data sets of the symbiosis of plants and their root-associated fungi from three localities along a latitudinal gradient, we uncovered the entire network architecture of these interactions under contrasting environmental conditions. Each network included more than 30 plant species and hundreds of mycorrhizal and endophytic fungi belonging to diverse phylogenetic groups. The results were consistent with the notion that processes shaping host-plant specialization of fungal species generate a unique linkage pattern that strongly contrasts with the pattern of above-ground plant-partner networks. Specifically, plant-fungus networks lacked a "nested" architecture, which has been considered to promote species coexistence in plant-partner networks. Rather, the below-ground networks had a conspicuous "antinested" topology. Our findings lead to the working hypothesis that terrestrial plant community dynamics are likely determined by the balance between above-ground and below-ground webs of interspecific interactions. </AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Toju</LastName><ForeName>Hirokazu</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Graduate School of Human and Environmental Studies, Kyoto University, Sakyo, Kyoto 606-8501, Japan.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Guimarães</LastName><ForeName>Paulo R</ForeName><Initials>PR</Initials><Suffix>Jr</Suffix><AffiliationInfo><Affiliation>Departamento de Ecologia, Instituto de Biociências, Universidade de São Paulo, São Paulo 05508-900, São Paulo, Brazil.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Olesen</LastName><ForeName>Jens M</ForeName><Initials>JM</Initials><AffiliationInfo><Affiliation>Department of Bioscience, Aarhus University, Ny Munkegade 114, 8000 Aarhus C, Denmark.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Thompson</LastName><ForeName>John N</ForeName><Initials>JN</Initials><AffiliationInfo><Affiliation>Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, CA 95064, USA.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2015</Year><Month>10</Month><Day>23</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Sci Adv</MedlineTA><NlmUniqueID>101653440</NlmUniqueID><ISSNLinking>2375-2548</ISSNLinking></MedlineJournalInfo><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">DNA barcoding</Keyword><Keyword MajorTopicYN="N">Ecology</Keyword><Keyword MajorTopicYN="N">community stability</Keyword><Keyword MajorTopicYN="N">fungi</Keyword><Keyword 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