Separating ontogenetic and environmental determination of resistance to herbivory in cottonwood.
Identifieur interne : 003490 ( Main/Exploration ); précédent : 003489; suivant : 003491Separating ontogenetic and environmental determination of resistance to herbivory in cottonwood.
Auteurs : Liza M. Holeski [États-Unis] ; Michael J C. Kearsley ; Thomas G. WhithamSource :
- Ecology [ 0012-9658 ] ; 2009.
Descripteurs français
- KwdFr :
- MESH :
- génétique : Aphides, Populus.
- parasitologie : Populus.
- physiologie : Aphides, Populus.
- Animaux, Comportement alimentaire, Écosystème, Évolution biologique.
English descriptors
- KwdEn :
- MESH :
- genetics : Aphids, Populus.
- parasitology : Populus.
- physiology : Aphids, Populus.
- Animals, Biological Evolution, Ecosystem, Feeding Behavior.
Abstract
We used narrowleaf cottonwood, Populus angustifolia, and the gall-forming aphid, Pemphigus betae, to determine the extent to which ontogenetic variation in resistance to herbivory is due to endogenous, stable genetic influences. In a three-year common garden trial using ramets propagated from the top, middle, and bottom of mature trees, we found that the resistance of trees to aphids was significantly higher in top vs. bottom source ramets, supporting the hypothesis of a stable, genetically programmed component to aphid resistance. The magnitude of ontogenetically based variation in resistance within an individual tree is comparable to the genetic variation in resistance among narrowleaf cottonwood genotypes or populations found in other studies. These ontogenetic-based findings have the potential to alter ecological interactions and evolutionary trajectories of plant-herbivore interactions.
DOI: 10.1890/08-2378.1
PubMed: 19967853
Affiliations:
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In a three-year common garden trial using ramets propagated from the top, middle, and bottom of mature trees, we found that the resistance of trees to aphids was significantly higher in top vs. bottom source ramets, supporting the hypothesis of a stable, genetically programmed component to aphid resistance. The magnitude of ontogenetically based variation in resistance within an individual tree is comparable to the genetic variation in resistance among narrowleaf cottonwood genotypes or populations found in other studies. These ontogenetic-based findings have the potential to alter ecological interactions and evolutionary trajectories of plant-herbivore interactions.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">19967853</PMID><DateCompleted><Year>2010</Year><Month>01</Month><Day>05</Day></DateCompleted><DateRevised><Year>2019</Year><Month>09</Month><Day>02</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0012-9658</ISSN><JournalIssue CitedMedium="Print"><Volume>90</Volume><Issue>11</Issue><PubDate><Year>2009</Year><Month>Nov</Month></PubDate></JournalIssue><Title>Ecology</Title><ISOAbbreviation>Ecology</ISOAbbreviation></Journal><ArticleTitle>Separating ontogenetic and environmental determination of resistance to herbivory in cottonwood.</ArticleTitle><Pagination><MedlinePgn>2969-73</MedlinePgn></Pagination><Abstract><AbstractText>We used narrowleaf cottonwood, Populus angustifolia, and the gall-forming aphid, Pemphigus betae, to determine the extent to which ontogenetic variation in resistance to herbivory is due to endogenous, stable genetic influences. In a three-year common garden trial using ramets propagated from the top, middle, and bottom of mature trees, we found that the resistance of trees to aphids was significantly higher in top vs. bottom source ramets, supporting the hypothesis of a stable, genetically programmed component to aphid resistance. The magnitude of ontogenetically based variation in resistance within an individual tree is comparable to the genetic variation in resistance among narrowleaf cottonwood genotypes or populations found in other studies. These ontogenetic-based findings have the potential to alter ecological interactions and evolutionary trajectories of plant-herbivore interactions.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Holeski</LastName><ForeName>Liza M</ForeName><Initials>LM</Initials><AffiliationInfo><Affiliation>Department of Entomology, University of Wisconsin, Madison, Wisconsin 53706, USA. holeski@entomology.wisc.edu</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kearsley</LastName><ForeName>Michael J C</ForeName><Initials>MJ</Initials></Author><Author ValidYN="Y"><LastName>Whitham</LastName><ForeName>Thomas G</ForeName><Initials>TG</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</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="D001042" MajorTopicYN="N">Aphids</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005075" MajorTopicYN="Y">Biological Evolution</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="Y">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005247" MajorTopicYN="N">Feeding Behavior</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000469" MajorTopicYN="Y">parasitology</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2009</Year><Month>12</Month><Day>9</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2009</Year><Month>12</Month><Day>9</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2010</Year><Month>1</Month><Day>6</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">19967853</ArticleId><ArticleId IdType="doi">10.1890/08-2378.1</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country></list><tree><noCountry><name sortKey="Kearsley, Michael J C" sort="Kearsley, Michael J C" uniqKey="Kearsley M" first="Michael J C" last="Kearsley">Michael J C. Kearsley</name><name sortKey="Whitham, Thomas G" sort="Whitham, Thomas G" uniqKey="Whitham T" first="Thomas G" last="Whitham">Thomas G. Whitham</name></noCountry><country name="États-Unis"><noRegion><name sortKey="Holeski, Liza M" sort="Holeski, Liza M" uniqKey="Holeski L" first="Liza M" last="Holeski">Liza M. Holeski</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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