Extensive pollen flow in two ecologically contrasting populations of Populus trichocarpa.
Identifieur interne : 003632 ( Main/Exploration ); précédent : 003631; suivant : 003633Extensive pollen flow in two ecologically contrasting populations of Populus trichocarpa.
Auteurs : G T Slavov [États-Unis] ; S. Leonardi ; J. Burczyk ; W T Adams ; S H Strauss ; S P DifazioSource :
- Molecular ecology [ 1365-294X ] ; 2009.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical , genetics : DNA, Plant.
- geographic : Oregon.
- genetics : Pollen, Populus.
- Ecosystem, Gene Flow, Genetics, Population, Genotype, Likelihood Functions, Microsatellite Repeats, Models, Biological, Pollination.
Abstract
Pollen-mediated gene flow was measured in two populations of black cottonwood using direct (paternity analysis) and indirect (correlated paternity) methods. The Marchel site was an area with an approximate radius of 250 m in a large continuous stand growing in a mesic habitat in western Oregon. In contrast, the Vinson site was an area with a radius of approximately 10 km and consisted of small, disjunct and isolated stands in the high desert of eastern Oregon. Pollen immigration was extensive in both populations, and was higher in the Marchel site (0.54 +/- 0.02) than in the substantially larger and more isolated Vinson site (0.32 +/- 0.02). Pollen pool differentiation among mothers was approximately five times stronger in the Vinson population (Phi FT = 0.253, N = 27 mothers) than in the Marchel population (Phi FT = 0.052, N = 5 mothers). Pollen dispersal was modelled using a mixed dispersal curve that incorporated pollen immigration. Predicted pollination frequencies generated based on this curve were substantially more accurate than those based on the widely used exponential power dispersal curve. Male neighbourhood sizes (sensu Wright 1946) estimated using paternity analysis and pollen pool differentiation were remarkably similar. They were three to five times smaller in the Vinson population, which reflected the substantial ecological and demographic differences between the two populations. When the same mathematical function was used, applying direct and indirect methods resulted in similar pollen dispersal curves, thus confirming the value of indirect methods as a viable lower-cost alternative to paternity analysis.
DOI: 10.1111/j.1365-294X.2008.04016.x
PubMed: 19076277
Affiliations:
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Burczyk</name></author><author><name sortKey="Adams, W T" sort="Adams, W T" uniqKey="Adams W" first="W T" last="Adams">W T Adams</name></author><author><name sortKey="Strauss, S H" sort="Strauss, S H" uniqKey="Strauss S" first="S H" last="Strauss">S H Strauss</name></author><author><name sortKey="Difazio, S P" sort="Difazio, S P" uniqKey="Difazio S" first="S P" last="Difazio">S P Difazio</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2009">2009</date><idno type="RBID">pubmed:19076277</idno><idno type="pmid">19076277</idno><idno type="doi">10.1111/j.1365-294X.2008.04016.x</idno><idno type="wicri:Area/Main/Corpus">003715</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">003715</idno><idno type="wicri:Area/Main/Curation">003715</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">003715</idno><idno type="wicri:Area/Main/Exploration">003715</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Extensive pollen flow in two ecologically contrasting populations of Populus trichocarpa.</title><author><name sortKey="Slavov, G T" sort="Slavov, G T" uniqKey="Slavov G" first="G T" last="Slavov">G T Slavov</name><affiliation wicri:level="2"><nlm:affiliation>Department of Biology, West Virginia University, Morgantown, WV 26506-6057, USA. gancho.slavov@mail.wvu.edu</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Biology, West Virginia University, Morgantown, WV 26506-6057</wicri:regionArea><placeName><region type="state">Virginie-Occidentale</region></placeName></affiliation></author><author><name sortKey="Leonardi, S" sort="Leonardi, S" uniqKey="Leonardi S" first="S" last="Leonardi">S. 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Burczyk</name></author><author><name sortKey="Adams, W T" sort="Adams, W T" uniqKey="Adams W" first="W T" last="Adams">W T Adams</name></author><author><name sortKey="Strauss, S H" sort="Strauss, S H" uniqKey="Strauss S" first="S H" last="Strauss">S H Strauss</name></author><author><name sortKey="Difazio, S P" sort="Difazio, S P" uniqKey="Difazio S" first="S P" last="Difazio">S P Difazio</name></author></analytic><series><title level="j">Molecular ecology</title><idno type="eISSN">1365-294X</idno><imprint><date when="2009" type="published">2009</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>DNA, Plant (genetics)</term><term>Ecosystem (MeSH)</term><term>Gene Flow (MeSH)</term><term>Genetics, Population (MeSH)</term><term>Genotype (MeSH)</term><term>Likelihood Functions (MeSH)</term><term>Microsatellite Repeats (MeSH)</term><term>Models, Biological (MeSH)</term><term>Oregon (MeSH)</term><term>Pollen (genetics)</term><term>Pollination (MeSH)</term><term>Populus (genetics)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>ADN des plantes (génétique)</term><term>Flux des gènes (MeSH)</term><term>Fonctions de vraisemblance (MeSH)</term><term>Génotype (MeSH)</term><term>Génétique des populations (MeSH)</term><term>Modèles biologiques (MeSH)</term><term>Orégon (MeSH)</term><term>Pollen (génétique)</term><term>Pollinisation (MeSH)</term><term>Populus (génétique)</term><term>Répétitions microsatellites (MeSH)</term><term>Écosystème (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>DNA, Plant</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Oregon</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Pollen</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>ADN des plantes</term><term>Pollen</term><term>Populus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Ecosystem</term><term>Gene Flow</term><term>Genetics, Population</term><term>Genotype</term><term>Likelihood Functions</term><term>Microsatellite Repeats</term><term>Models, Biological</term><term>Pollination</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Flux des gènes</term><term>Fonctions de vraisemblance</term><term>Génotype</term><term>Génétique des populations</term><term>Modèles biologiques</term><term>Orégon</term><term>Pollinisation</term><term>Répétitions microsatellites</term><term>Écosystème</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Pollen-mediated gene flow was measured in two populations of black cottonwood using direct (paternity analysis) and indirect (correlated paternity) methods. The Marchel site was an area with an approximate radius of 250 m in a large continuous stand growing in a mesic habitat in western Oregon. In contrast, the Vinson site was an area with a radius of approximately 10 km and consisted of small, disjunct and isolated stands in the high desert of eastern Oregon. Pollen immigration was extensive in both populations, and was higher in the Marchel site (0.54 +/- 0.02) than in the substantially larger and more isolated Vinson site (0.32 +/- 0.02). Pollen pool differentiation among mothers was approximately five times stronger in the Vinson population (Phi FT = 0.253, N = 27 mothers) than in the Marchel population (Phi FT = 0.052, N = 5 mothers). Pollen dispersal was modelled using a mixed dispersal curve that incorporated pollen immigration. Predicted pollination frequencies generated based on this curve were substantially more accurate than those based on the widely used exponential power dispersal curve. Male neighbourhood sizes (sensu Wright 1946) estimated using paternity analysis and pollen pool differentiation were remarkably similar. They were three to five times smaller in the Vinson population, which reflected the substantial ecological and demographic differences between the two populations. When the same mathematical function was used, applying direct and indirect methods resulted in similar pollen dispersal curves, thus confirming the value of indirect methods as a viable lower-cost alternative to paternity analysis.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">19076277</PMID><DateCompleted><Year>2009</Year><Month>02</Month><Day>20</Day></DateCompleted><DateRevised><Year>2009</Year><Month>02</Month><Day>05</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1365-294X</ISSN><JournalIssue CitedMedium="Internet"><Volume>18</Volume><Issue>2</Issue><PubDate><Year>2009</Year><Month>Jan</Month></PubDate></JournalIssue><Title>Molecular ecology</Title><ISOAbbreviation>Mol Ecol</ISOAbbreviation></Journal><ArticleTitle>Extensive pollen flow in two ecologically contrasting populations of Populus trichocarpa.</ArticleTitle><Pagination><MedlinePgn>357-73</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/j.1365-294X.2008.04016.x</ELocationID><Abstract><AbstractText>Pollen-mediated gene flow was measured in two populations of black cottonwood using direct (paternity analysis) and indirect (correlated paternity) methods. The Marchel site was an area with an approximate radius of 250 m in a large continuous stand growing in a mesic habitat in western Oregon. In contrast, the Vinson site was an area with a radius of approximately 10 km and consisted of small, disjunct and isolated stands in the high desert of eastern Oregon. Pollen immigration was extensive in both populations, and was higher in the Marchel site (0.54 +/- 0.02) than in the substantially larger and more isolated Vinson site (0.32 +/- 0.02). Pollen pool differentiation among mothers was approximately five times stronger in the Vinson population (Phi FT = 0.253, N = 27 mothers) than in the Marchel population (Phi FT = 0.052, N = 5 mothers). Pollen dispersal was modelled using a mixed dispersal curve that incorporated pollen immigration. Predicted pollination frequencies generated based on this curve were substantially more accurate than those based on the widely used exponential power dispersal curve. Male neighbourhood sizes (sensu Wright 1946) estimated using paternity analysis and pollen pool differentiation were remarkably similar. They were three to five times smaller in the Vinson population, which reflected the substantial ecological and demographic differences between the two populations. When the same mathematical function was used, applying direct and indirect methods resulted in similar pollen dispersal curves, thus confirming the value of indirect methods as a viable lower-cost alternative to paternity analysis.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Slavov</LastName><ForeName>G T</ForeName><Initials>GT</Initials><AffiliationInfo><Affiliation>Department of Biology, West Virginia University, Morgantown, WV 26506-6057, USA. gancho.slavov@mail.wvu.edu</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Leonardi</LastName><ForeName>S</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Burczyk</LastName><ForeName>J</ForeName><Initials>J</Initials></Author><Author ValidYN="Y"><LastName>Adams</LastName><ForeName>W T</ForeName><Initials>WT</Initials></Author><Author ValidYN="Y"><LastName>Strauss</LastName><ForeName>S H</ForeName><Initials>SH</Initials></Author><Author ValidYN="Y"><LastName>Difazio</LastName><ForeName>S P</ForeName><Initials>SP</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Mol Ecol</MedlineTA><NlmUniqueID>9214478</NlmUniqueID><ISSNLinking>0962-1083</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D018744">DNA, Plant</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D018744" MajorTopicYN="N">DNA, Plant</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="N">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D051456" MajorTopicYN="Y">Gene Flow</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005828" MajorTopicYN="N">Genetics, Population</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005838" MajorTopicYN="N">Genotype</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D016013" MajorTopicYN="N">Likelihood Functions</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018895" MajorTopicYN="N">Microsatellite Repeats</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008954" MajorTopicYN="N">Models, Biological</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009922" MajorTopicYN="N" Type="Geographic">Oregon</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D011058" MajorTopicYN="N">Pollen</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D054817" MajorTopicYN="N">Pollination</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2008</Year><Month>12</Month><Day>17</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2008</Year><Month>12</Month><Day>17</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2009</Year><Month>2</Month><Day>21</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">19076277</ArticleId><ArticleId IdType="pii">MEC4016</ArticleId><ArticleId IdType="doi">10.1111/j.1365-294X.2008.04016.x</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Virginie-Occidentale</li></region></list><tree><noCountry><name sortKey="Adams, W T" sort="Adams, W T" uniqKey="Adams W" first="W T" last="Adams">W T Adams</name><name sortKey="Burczyk, J" sort="Burczyk, J" uniqKey="Burczyk J" first="J" last="Burczyk">J. Burczyk</name><name sortKey="Difazio, S P" sort="Difazio, S P" uniqKey="Difazio S" first="S P" last="Difazio">S P Difazio</name><name sortKey="Leonardi, S" sort="Leonardi, S" uniqKey="Leonardi S" first="S" last="Leonardi">S. Leonardi</name><name sortKey="Strauss, S H" sort="Strauss, S H" uniqKey="Strauss S" first="S H" last="Strauss">S H Strauss</name></noCountry><country name="États-Unis"><region name="Virginie-Occidentale"><name sortKey="Slavov, G T" sort="Slavov, G T" uniqKey="Slavov G" first="G T" last="Slavov">G T Slavov</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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