Genetic variation in resistance to leaf fungus indirectly affects spider density.
Identifieur interne : 001376 ( Main/Exploration ); précédent : 001375; suivant : 001377Genetic variation in resistance to leaf fungus indirectly affects spider density.
Auteurs : Heather L. Slinn [États-Unis] ; Matthew A. Barbour [Canada] ; Kerri M. Crawford [États-Unis] ; Mariano A. Rodriguez-Cabal [Argentine] ; Gregory M. Crutsinger [États-Unis]Source :
- Ecology [ 0012-9658 ] ; 2017.
Descripteurs français
- KwdFr :
- MESH :
- microbiologie : Araignées.
- physiologie : Araignées.
- Animaux, Arthropodes, Chaine alimentaire, Champignons, Herbivorie, Variation génétique, Écosystème.
English descriptors
- KwdEn :
- MESH :
- microbiology : Spiders.
- physiology : Spiders.
- Animals, Arthropods, Ecosystem, Food Chain, Fungi, Genetic Variation, Herbivory.
Abstract
Many host-plants exhibit genetic variation in resistance to pathogens; however, little is known about the extent to which genetic variation in pathogen resistance influences other members of the host-plant community, especially arthropods at higher trophic levels. We addressed this knowledge gap by using a common garden experiment to examine whether genotypes of Populus trichocarpa varied in resistance to a leaf-blistering pathogen, Taphrina sp., and in the density of web-building spiders, the dominant group of predatory arthropods. In addition, we examined whether variation in spider density was explained by variation in the density and size of leaf blisters caused by Taphrina. We found that P. trichocarpa genotypes exhibited strong differences in their resistance to Taphrina and that P. trichocarpa genotypes that were more susceptible to Taphrina supported more web-building spiders, the dominant group of predatory arthropods. We suspect that this result is caused by blisters increasing the availability of suitable habitat for predators, and not due to variation in herbivores because including herbivore density as a covariate did not affect our models. Our study highlights a novel pathway by which genetic variation in pathogen resistance may affect higher trophic levels in arthropod communities.
DOI: 10.1002/ecy.1708
PubMed: 28027583
Affiliations:
Links toward previous steps (curation, corpus...)
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Slinn</name><affiliation wicri:level="1"><nlm:affiliation>Department of Biology, University of Nevada, 1664 N Virginia street, Reno, Nevada, 89557, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Biology, University of Nevada, 1664 N Virginia street, Reno, Nevada, 89557</wicri:regionArea><wicri:noRegion>89557</wicri:noRegion></affiliation></author><author><name sortKey="Barbour, Matthew A" sort="Barbour, Matthew A" uniqKey="Barbour M" first="Matthew A" last="Barbour">Matthew A. Barbour</name><affiliation wicri:level="4"><nlm:affiliation>Department of Zoology, University of British Columbia, Vancouver, British Columbia, V6T 1Z4, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Zoology, University of British Columbia, Vancouver, British Columbia, V6T 1Z4</wicri:regionArea><orgName type="university">Université de la Colombie-Britannique</orgName><placeName><settlement type="city">Vancouver</settlement><region type="state">Colombie-Britannique </region></placeName></affiliation></author><author><name sortKey="Crawford, Kerri M" sort="Crawford, Kerri M" uniqKey="Crawford K" first="Kerri M" last="Crawford">Kerri M. Crawford</name><affiliation wicri:level="1"><nlm:affiliation>Department of Biology and Biochemistry, University of Houston, Houston, Texas, 77204, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Biology and Biochemistry, University of Houston, Houston, Texas, 77204</wicri:regionArea><wicri:noRegion>77204</wicri:noRegion></affiliation></author><author><name sortKey="Rodriguez Cabal, Mariano A" sort="Rodriguez Cabal, Mariano A" uniqKey="Rodriguez Cabal M" first="Mariano A" last="Rodriguez-Cabal">Mariano A. Rodriguez-Cabal</name><affiliation wicri:level="1"><nlm:affiliation>Grupo de Ecologia de Invasiones, INIBIOMA - CONICET, Universidad Nacional del Comahue, CP. 8400, San Carlos de Bariloche, Argentina.</nlm:affiliation><country xml:lang="fr">Argentine</country><wicri:regionArea>Grupo de Ecologia de Invasiones, INIBIOMA - CONICET, Universidad Nacional del Comahue, CP. 8400, San Carlos de Bariloche</wicri:regionArea><wicri:noRegion>San Carlos de Bariloche</wicri:noRegion></affiliation></author><author><name sortKey="Crutsinger, Gregory M" sort="Crutsinger, Gregory M" uniqKey="Crutsinger G" first="Gregory M" last="Crutsinger">Gregory M. Crutsinger</name><affiliation wicri:level="1"><nlm:affiliation>Parrot Inc., San Francisco, California, 94105, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Parrot Inc., San Francisco, California, 94105</wicri:regionArea><wicri:noRegion>94105</wicri:noRegion></affiliation></author></analytic><series><title level="j">Ecology</title><idno type="ISSN">0012-9658</idno><imprint><date when="2017" type="published">2017</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals (MeSH)</term><term>Arthropods (MeSH)</term><term>Ecosystem (MeSH)</term><term>Food Chain (MeSH)</term><term>Fungi (MeSH)</term><term>Genetic Variation (MeSH)</term><term>Herbivory (MeSH)</term><term>Spiders (microbiology)</term><term>Spiders (physiology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Animaux (MeSH)</term><term>Araignées (microbiologie)</term><term>Araignées (physiologie)</term><term>Arthropodes (MeSH)</term><term>Chaine alimentaire (MeSH)</term><term>Champignons (MeSH)</term><term>Herbivorie (MeSH)</term><term>Variation génétique (MeSH)</term><term>Écosystème (MeSH)</term></keywords><keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Araignées</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Spiders</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Araignées</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Spiders</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Arthropods</term><term>Ecosystem</term><term>Food Chain</term><term>Fungi</term><term>Genetic Variation</term><term>Herbivory</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Animaux</term><term>Arthropodes</term><term>Chaine alimentaire</term><term>Champignons</term><term>Herbivorie</term><term>Variation génétique</term><term>Écosystème</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Many host-plants exhibit genetic variation in resistance to pathogens; however, little is known about the extent to which genetic variation in pathogen resistance influences other members of the host-plant community, especially arthropods at higher trophic levels. We addressed this knowledge gap by using a common garden experiment to examine whether genotypes of Populus trichocarpa varied in resistance to a leaf-blistering pathogen, Taphrina sp., and in the density of web-building spiders, the dominant group of predatory arthropods. In addition, we examined whether variation in spider density was explained by variation in the density and size of leaf blisters caused by Taphrina. We found that P. trichocarpa genotypes exhibited strong differences in their resistance to Taphrina and that P. trichocarpa genotypes that were more susceptible to Taphrina supported more web-building spiders, the dominant group of predatory arthropods. We suspect that this result is caused by blisters increasing the availability of suitable habitat for predators, and not due to variation in herbivores because including herbivore density as a covariate did not affect our models. Our study highlights a novel pathway by which genetic variation in pathogen resistance may affect higher trophic levels in arthropod communities.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Curated" Owner="NLM"><PMID Version="1">28027583</PMID><DateCompleted><Year>2018</Year><Month>10</Month><Day>23</Day></DateCompleted><DateRevised><Year>2018</Year><Month>10</Month><Day>23</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0012-9658</ISSN><JournalIssue CitedMedium="Print"><Volume>98</Volume><Issue>3</Issue><PubDate><Year>2017</Year><Month>Mar</Month></PubDate></JournalIssue><Title>Ecology</Title><ISOAbbreviation>Ecology</ISOAbbreviation></Journal><ArticleTitle>Genetic variation in resistance to leaf fungus indirectly affects spider density.</ArticleTitle><Pagination><MedlinePgn>875-881</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1002/ecy.1708</ELocationID><Abstract><AbstractText>Many host-plants exhibit genetic variation in resistance to pathogens; however, little is known about the extent to which genetic variation in pathogen resistance influences other members of the host-plant community, especially arthropods at higher trophic levels. We addressed this knowledge gap by using a common garden experiment to examine whether genotypes of Populus trichocarpa varied in resistance to a leaf-blistering pathogen, Taphrina sp., and in the density of web-building spiders, the dominant group of predatory arthropods. In addition, we examined whether variation in spider density was explained by variation in the density and size of leaf blisters caused by Taphrina. We found that P. trichocarpa genotypes exhibited strong differences in their resistance to Taphrina and that P. trichocarpa genotypes that were more susceptible to Taphrina supported more web-building spiders, the dominant group of predatory arthropods. We suspect that this result is caused by blisters increasing the availability of suitable habitat for predators, and not due to variation in herbivores because including herbivore density as a covariate did not affect our models. Our study highlights a novel pathway by which genetic variation in pathogen resistance may affect higher trophic levels in arthropod communities.</AbstractText><CopyrightInformation>© 2016 by the Ecological Society of America.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Slinn</LastName><ForeName>Heather L</ForeName><Initials>HL</Initials><Identifier Source="ORCID">http://orcid.org/0000-0003-0473-299X</Identifier><AffiliationInfo><Affiliation>Department of Biology, University of Nevada, 1664 N Virginia street, Reno, Nevada, 89557, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Barbour</LastName><ForeName>Matthew A</ForeName><Initials>MA</Initials><AffiliationInfo><Affiliation>Department of Zoology, University of British Columbia, Vancouver, British Columbia, V6T 1Z4, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Crawford</LastName><ForeName>Kerri M</ForeName><Initials>KM</Initials><AffiliationInfo><Affiliation>Department of Biology and Biochemistry, University of Houston, Houston, Texas, 77204, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Rodriguez-Cabal</LastName><ForeName>Mariano A</ForeName><Initials>MA</Initials><AffiliationInfo><Affiliation>Grupo de Ecologia de Invasiones, INIBIOMA - CONICET, Universidad Nacional del Comahue, CP. 8400, San Carlos de Bariloche, Argentina.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Crutsinger</LastName><ForeName>Gregory M</ForeName><Initials>GM</Initials><AffiliationInfo><Affiliation>Parrot Inc., San Francisco, California, 94105, USA.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Ecology</MedlineTA><NlmUniqueID>0043541</NlmUniqueID><ISSNLinking>0012-9658</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D001181" MajorTopicYN="N">Arthropods</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="N">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D020387" MajorTopicYN="Y">Food Chain</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005658" MajorTopicYN="N">Fungi</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014644" MajorTopicYN="Y">Genetic Variation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D060434" MajorTopicYN="N">Herbivory</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013112" MajorTopicYN="N">Spiders</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Populus trichocarpa
</Keyword><Keyword MajorTopicYN="N">Taphrina
</Keyword><Keyword MajorTopicYN="N">arthropods</Keyword><Keyword MajorTopicYN="N">plant pathogens</Keyword><Keyword MajorTopicYN="N">tripartite interactions</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2016</Year><Month>11</Month><Day>04</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2016</Year><Month>12</Month><Day>19</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2016</Year><Month>12</Month><Day>20</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2016</Year><Month>12</Month><Day>28</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2018</Year><Month>10</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2016</Year><Month>12</Month><Day>28</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">28027583</ArticleId><ArticleId IdType="doi">10.1002/ecy.1708</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Argentine</li><li>Canada</li><li>États-Unis</li></country><region><li>Colombie-Britannique </li></region><settlement><li>Vancouver</li></settlement><orgName><li>Université de la Colombie-Britannique</li></orgName></list><tree><country name="États-Unis"><noRegion><name sortKey="Slinn, Heather L" sort="Slinn, Heather L" uniqKey="Slinn H" first="Heather L" last="Slinn">Heather L. Slinn</name></noRegion><name sortKey="Crawford, Kerri M" sort="Crawford, Kerri M" uniqKey="Crawford K" first="Kerri M" last="Crawford">Kerri M. Crawford</name><name sortKey="Crutsinger, Gregory M" sort="Crutsinger, Gregory M" uniqKey="Crutsinger G" first="Gregory M" last="Crutsinger">Gregory M. Crutsinger</name></country><country name="Canada"><region name="Colombie-Britannique "><name sortKey="Barbour, Matthew A" sort="Barbour, Matthew A" uniqKey="Barbour M" first="Matthew A" last="Barbour">Matthew A. Barbour</name></region></country><country name="Argentine"><noRegion><name sortKey="Rodriguez Cabal, Mariano A" sort="Rodriguez Cabal, Mariano A" uniqKey="Rodriguez Cabal M" first="Mariano A" last="Rodriguez-Cabal">Mariano A. Rodriguez-Cabal</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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