History rather than hybridization determines population structure and adaptation in Populus balsamifera.
Identifieur interne : 001355 ( Main/Exploration ); précédent : 001354; suivant : 001356History rather than hybridization determines population structure and adaptation in Populus balsamifera.
Auteurs : P G Meirmans [Pays-Bas] ; J. Godbout [Canada] ; M. Lamothe [Canada] ; S L Thompson [Canada] ; N. Isabel [Canada]Source :
- Journal of evolutionary biology [ 1420-9101 ] ; 2017.
Descripteurs français
- KwdFr :
- Adaptation physiologique (physiologie), Flux des gènes (MeSH), Gènes de plante (génétique), Génétique des populations (MeSH), Hybridation génétique (MeSH), Polymorphisme de nucléotide simple (génétique), Populus (génétique), Populus (physiologie), Spéciation génétique (MeSH), Variation génétique (MeSH).
- MESH :
English descriptors
- KwdEn :
- MESH :
- genetics : Genes, Plant, Polymorphism, Single Nucleotide, Populus.
- physiology : Adaptation, Physiological, Populus.
- Gene Flow, Genetic Speciation, Genetic Variation, Genetics, Population, Hybridization, Genetic.
Abstract
Hybridization between species is known to greatly affect their genetic diversity and, therefore, their evolution. Also, within species, there may be genetic clusters between which gene flow is limited, which may impact natural selection. However, few studies have looked simultaneously at the influence of among-species and within-species gene flow. Here, we study the influence of hybridization between Populus balsamifera and Populus trichocarpa on population structure and adaptation in P. balsamifera. We did this by sampling a total of 1517 individuals from across the ranges of these two species, and by genotyping them using a combination of 93 nuclear and 17 cpDNA SNPs. We found that hybridization is mostly limited to the contact zone where the species' distributions overlap. Within P. balsamifera, we found multiple levels of population structure. Interestingly, the border between the Eastern and Central clusters is very sharp, whereas the border between the Central and Western clusters is diffuse. Outlier analysis revealed that three loci associated with the sharp border were also associated with climate. We hypothesize that the observed clusters derive from three refugia during the Pleistocene ice ages. Between the Central and Western clusters, post-glacial long-distance gene flow has led to the diffusion of their border. In the Eastern cluster, we hypothesize that endogenous genomic barriers have developed, leading to the sharp border and a spurious climate association. We conclude that the large-scale genetic structure of P. balsamifera is mostly shaped by historical factors and the influence of interspecific hybridization is limited.
DOI: 10.1111/jeb.13174
PubMed: 28862785
Affiliations:
Links toward previous steps (curation, corpus...)
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Lamothe</name><affiliation wicri:level="1"><nlm:affiliation>Laurentian Forestry Centre, Canadian Forest Service, Natural Resources Canada, Québec, QC, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Laurentian Forestry Centre, Canadian Forest Service, Natural Resources Canada, Québec, QC</wicri:regionArea><wicri:noRegion>QC</wicri:noRegion></affiliation></author><author><name sortKey="Thompson, S L" sort="Thompson, S L" uniqKey="Thompson S" first="S L" last="Thompson">S L Thompson</name><affiliation wicri:level="1"><nlm:affiliation>Laurentian Forestry Centre, Canadian Forest Service, Natural Resources Canada, Québec, QC, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Laurentian Forestry Centre, Canadian Forest Service, Natural Resources Canada, Québec, QC</wicri:regionArea><wicri:noRegion>QC</wicri:noRegion></affiliation></author><author><name sortKey="Isabel, N" sort="Isabel, N" uniqKey="Isabel N" first="N" last="Isabel">N. Isabel</name><affiliation wicri:level="1"><nlm:affiliation>Laurentian Forestry Centre, Canadian Forest Service, Natural Resources Canada, Québec, QC, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>Laurentian Forestry Centre, Canadian Forest Service, Natural Resources Canada, Québec, QC</wicri:regionArea><wicri:noRegion>QC</wicri:noRegion></affiliation></author></analytic><series><title level="j">Journal of evolutionary biology</title><idno type="eISSN">1420-9101</idno><imprint><date when="2017" type="published">2017</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adaptation, Physiological (physiology)</term><term>Gene Flow (MeSH)</term><term>Genes, Plant (genetics)</term><term>Genetic Speciation (MeSH)</term><term>Genetic Variation (MeSH)</term><term>Genetics, Population (MeSH)</term><term>Hybridization, Genetic (MeSH)</term><term>Polymorphism, Single Nucleotide (genetics)</term><term>Populus (genetics)</term><term>Populus (physiology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adaptation physiologique (physiologie)</term><term>Flux des gènes (MeSH)</term><term>Gènes de plante (génétique)</term><term>Génétique des populations (MeSH)</term><term>Hybridation génétique (MeSH)</term><term>Polymorphisme de nucléotide simple (génétique)</term><term>Populus (génétique)</term><term>Populus (physiologie)</term><term>Spéciation génétique (MeSH)</term><term>Variation génétique (MeSH)</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Genes, Plant</term><term>Polymorphism, Single Nucleotide</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Gènes de plante</term><term>Polymorphisme de nucléotide simple</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Adaptation physiologique</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Adaptation, Physiological</term><term>Populus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Gene Flow</term><term>Genetic Speciation</term><term>Genetic Variation</term><term>Genetics, Population</term><term>Hybridization, Genetic</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Flux des gènes</term><term>Génétique des populations</term><term>Hybridation génétique</term><term>Spéciation génétique</term><term>Variation génétique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Hybridization between species is known to greatly affect their genetic diversity and, therefore, their evolution. Also, within species, there may be genetic clusters between which gene flow is limited, which may impact natural selection. However, few studies have looked simultaneously at the influence of among-species and within-species gene flow. Here, we study the influence of hybridization between Populus balsamifera and Populus trichocarpa on population structure and adaptation in P. balsamifera. We did this by sampling a total of 1517 individuals from across the ranges of these two species, and by genotyping them using a combination of 93 nuclear and 17 cpDNA SNPs. We found that hybridization is mostly limited to the contact zone where the species' distributions overlap. Within P. balsamifera, we found multiple levels of population structure. Interestingly, the border between the Eastern and Central clusters is very sharp, whereas the border between the Central and Western clusters is diffuse. Outlier analysis revealed that three loci associated with the sharp border were also associated with climate. We hypothesize that the observed clusters derive from three refugia during the Pleistocene ice ages. Between the Central and Western clusters, post-glacial long-distance gene flow has led to the diffusion of their border. In the Eastern cluster, we hypothesize that endogenous genomic barriers have developed, leading to the sharp border and a spurious climate association. We conclude that the large-scale genetic structure of P. balsamifera is mostly shaped by historical factors and the influence of interspecific hybridization is limited.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">28862785</PMID><DateCompleted><Year>2018</Year><Month>02</Month><Day>28</Day></DateCompleted><DateRevised><Year>2018</Year><Month>02</Month><Day>28</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1420-9101</ISSN><JournalIssue CitedMedium="Internet"><Volume>30</Volume><Issue>11</Issue><PubDate><Year>2017</Year><Month>Nov</Month></PubDate></JournalIssue><Title>Journal of evolutionary biology</Title><ISOAbbreviation>J Evol Biol</ISOAbbreviation></Journal><ArticleTitle>History rather than hybridization determines population structure and adaptation in Populus balsamifera.</ArticleTitle><Pagination><MedlinePgn>2044-2058</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/jeb.13174</ELocationID><Abstract><AbstractText>Hybridization between species is known to greatly affect their genetic diversity and, therefore, their evolution. Also, within species, there may be genetic clusters between which gene flow is limited, which may impact natural selection. However, few studies have looked simultaneously at the influence of among-species and within-species gene flow. Here, we study the influence of hybridization between Populus balsamifera and Populus trichocarpa on population structure and adaptation in P. balsamifera. We did this by sampling a total of 1517 individuals from across the ranges of these two species, and by genotyping them using a combination of 93 nuclear and 17 cpDNA SNPs. We found that hybridization is mostly limited to the contact zone where the species' distributions overlap. Within P. balsamifera, we found multiple levels of population structure. Interestingly, the border between the Eastern and Central clusters is very sharp, whereas the border between the Central and Western clusters is diffuse. Outlier analysis revealed that three loci associated with the sharp border were also associated with climate. We hypothesize that the observed clusters derive from three refugia during the Pleistocene ice ages. Between the Central and Western clusters, post-glacial long-distance gene flow has led to the diffusion of their border. In the Eastern cluster, we hypothesize that endogenous genomic barriers have developed, leading to the sharp border and a spurious climate association. We conclude that the large-scale genetic structure of P. balsamifera is mostly shaped by historical factors and the influence of interspecific hybridization is limited.</AbstractText><CopyrightInformation>© 2017 European Society For Evolutionary Biology. Journal of Evolutionary Biology © 2017 European Society For Evolutionary Biology.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Meirmans</LastName><ForeName>P G</ForeName><Initials>PG</Initials><Identifier Source="ORCID">http://orcid.org/0000-0002-6395-8107</Identifier><AffiliationInfo><Affiliation>Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, The Netherlands.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Godbout</LastName><ForeName>J</ForeName><Initials>J</Initials><Identifier Source="ORCID">http://orcid.org/0000-0002-8798-5687</Identifier><AffiliationInfo><Affiliation>Laurentian Forestry Centre, Canadian Forest Service, Natural Resources Canada, Québec, QC, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lamothe</LastName><ForeName>M</ForeName><Initials>M</Initials><Identifier Source="ORCID">http://orcid.org/0000-0002-5947-533X</Identifier><AffiliationInfo><Affiliation>Laurentian Forestry Centre, Canadian Forest Service, Natural Resources Canada, Québec, QC, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Thompson</LastName><ForeName>S L</ForeName><Initials>SL</Initials><AffiliationInfo><Affiliation>Laurentian Forestry Centre, Canadian Forest Service, Natural Resources Canada, Québec, QC, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Isabel</LastName><ForeName>N</ForeName><Initials>N</Initials><Identifier Source="ORCID">http://orcid.org/0000-0001-8621-9801</Identifier><AffiliationInfo><Affiliation>Laurentian Forestry Centre, Canadian Forest Service, Natural Resources Canada, Québec, QC, Canada.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><DataBankList 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UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D049810" MajorTopicYN="N">Genetic Speciation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014644" MajorTopicYN="Y">Genetic Variation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005828" MajorTopicYN="N">Genetics, Population</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006824" MajorTopicYN="N">Hybridization, Genetic</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D020641" MajorTopicYN="N">Polymorphism, Single Nucleotide</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">SNP markers</Keyword><Keyword MajorTopicYN="N">balsam poplar</Keyword><Keyword MajorTopicYN="N">black cottonwood</Keyword><Keyword MajorTopicYN="N">chloroplast marker</Keyword><Keyword MajorTopicYN="N">endogenous barrier</Keyword><Keyword MajorTopicYN="N">environmental association</Keyword><Keyword MajorTopicYN="N">hybridization</Keyword><Keyword MajorTopicYN="N">outlier analysis</Keyword><Keyword MajorTopicYN="N">redundancy analysis</Keyword><Keyword MajorTopicYN="N">refugia</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2015</Year><Month>10</Month><Day>02</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2017</Year><Month>08</Month><Day>10</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2017</Year><Month>08</Month><Day>23</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2017</Year><Month>9</Month><Day>2</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2018</Year><Month>3</Month><Day>1</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2017</Year><Month>9</Month><Day>2</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">28862785</ArticleId><ArticleId IdType="doi">10.1111/jeb.13174</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Canada</li><li>Pays-Bas</li></country><region><li>Hollande-Septentrionale</li></region><settlement><li>Amsterdam</li></settlement><orgName><li>Université d'Amsterdam</li></orgName></list><tree><country name="Pays-Bas"><region name="Hollande-Septentrionale"><name sortKey="Meirmans, P G" sort="Meirmans, P G" uniqKey="Meirmans P" first="P G" last="Meirmans">P G Meirmans</name></region></country><country name="Canada"><noRegion><name sortKey="Godbout, J" sort="Godbout, J" uniqKey="Godbout J" first="J" last="Godbout">J. Godbout</name></noRegion><name sortKey="Isabel, N" sort="Isabel, N" uniqKey="Isabel N" first="N" last="Isabel">N. Isabel</name><name sortKey="Lamothe, M" sort="Lamothe, M" uniqKey="Lamothe M" first="M" last="Lamothe">M. Lamothe</name><name sortKey="Thompson, S L" sort="Thompson, S L" uniqKey="Thompson S" first="S L" last="Thompson">S L Thompson</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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