Allelic and population variation of microsatellite loci in aspen (Populus tremuloides).
Identifieur interne : 004113 ( Main/Exploration ); précédent : 004112; suivant : 004114Allelic and population variation of microsatellite loci in aspen (Populus tremuloides).
Auteurs : Christopher T. Cole [États-Unis]Source :
- The New phytologist [ 0028-646X ] ; 2005.
Descripteurs français
- KwdFr :
- MESH :
- génétique : Populus, Répétitions microsatellites.
- Allèles, Variation génétique, Évolution biologique.
English descriptors
- KwdEn :
- MESH :
- genetics : Microsatellite Repeats, Populus.
- Alleles, Biological Evolution, Genetic Variation.
Abstract
To develop a robust basis for inferences about population genetics and evolution, this work assayed 192 aspens (Populus tremuloides) from 11 sites in Wisconsin, USA, for allelic and population variation at 16 microsatellite loci distributed across the Populus genome. Frequency distributions of fluorochrome-labeled alleles resolved by capillary electrophoresis were analyzed for relationships to repeat size and number. Population-level statistics were compared with those of other studies, especially in Populus. All loci were polymorphic, varying widely in the number of alleles per locus (mean = 8.25, range 2-20). Expected and observed heterozygosities were high (0.45 and 0.41, respectively), with little differentiation among populations (F(ST) = 0.006-0.045) and a moderate level of inbreeding (F(IS) = 0.09), intermediate among levels reported in studies based on isozymes. Contrary to several other reports, allele frequencies clustered tightly around the modal frequency, and the genetic diversity (measured as alleles per locus or as expected heterozygosity) was not related to either the repeat unit size or to the number of repeats.
DOI: 10.1111/j.1469-8137.2005.01423.x
PubMed: 15948838
Affiliations:
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Cole</name><affiliation wicri:level="2"><nlm:affiliation>Division of Science and Mathematics, University of Minnesota-Morris, 600 E. 4th St., Morris, MN 56267, USA. colect@mrs.umn.edu</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Division of Science and Mathematics, University of Minnesota-Morris, 600 E. 4th St., Morris, MN 56267</wicri:regionArea><placeName><region type="state">Minnesota</region></placeName></affiliation></author></analytic><series><title level="j">The New phytologist</title><idno type="ISSN">0028-646X</idno><imprint><date when="2005" type="published">2005</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Alleles (MeSH)</term><term>Biological Evolution (MeSH)</term><term>Genetic Variation (MeSH)</term><term>Microsatellite Repeats (genetics)</term><term>Populus (genetics)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Allèles (MeSH)</term><term>Populus (génétique)</term><term>Répétitions microsatellites (génétique)</term><term>Variation génétique (MeSH)</term><term>Évolution biologique (MeSH)</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Microsatellite Repeats</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Populus</term><term>Répétitions microsatellites</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Alleles</term><term>Biological Evolution</term><term>Genetic Variation</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Allèles</term><term>Variation génétique</term><term>Évolution biologique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">To develop a robust basis for inferences about population genetics and evolution, this work assayed 192 aspens (Populus tremuloides) from 11 sites in Wisconsin, USA, for allelic and population variation at 16 microsatellite loci distributed across the Populus genome. Frequency distributions of fluorochrome-labeled alleles resolved by capillary electrophoresis were analyzed for relationships to repeat size and number. Population-level statistics were compared with those of other studies, especially in Populus. All loci were polymorphic, varying widely in the number of alleles per locus (mean = 8.25, range 2-20). Expected and observed heterozygosities were high (0.45 and 0.41, respectively), with little differentiation among populations (F(ST) = 0.006-0.045) and a moderate level of inbreeding (F(IS) = 0.09), intermediate among levels reported in studies based on isozymes. Contrary to several other reports, allele frequencies clustered tightly around the modal frequency, and the genetic diversity (measured as alleles per locus or as expected heterozygosity) was not related to either the repeat unit size or to the number of repeats.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">15948838</PMID><DateCompleted><Year>2005</Year><Month>08</Month><Day>16</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0028-646X</ISSN><JournalIssue CitedMedium="Print"><Volume>167</Volume><Issue>1</Issue><PubDate><Year>2005</Year><Month>Jul</Month></PubDate></JournalIssue><Title>The New phytologist</Title><ISOAbbreviation>New Phytol</ISOAbbreviation></Journal><ArticleTitle>Allelic and population variation of microsatellite loci in aspen (Populus tremuloides).</ArticleTitle><Pagination><MedlinePgn>155-64</MedlinePgn></Pagination><Abstract><AbstractText>To develop a robust basis for inferences about population genetics and evolution, this work assayed 192 aspens (Populus tremuloides) from 11 sites in Wisconsin, USA, for allelic and population variation at 16 microsatellite loci distributed across the Populus genome. Frequency distributions of fluorochrome-labeled alleles resolved by capillary electrophoresis were analyzed for relationships to repeat size and number. Population-level statistics were compared with those of other studies, especially in Populus. All loci were polymorphic, varying widely in the number of alleles per locus (mean = 8.25, range 2-20). Expected and observed heterozygosities were high (0.45 and 0.41, respectively), with little differentiation among populations (F(ST) = 0.006-0.045) and a moderate level of inbreeding (F(IS) = 0.09), intermediate among levels reported in studies based on isozymes. Contrary to several other reports, allele frequencies clustered tightly around the modal frequency, and the genetic diversity (measured as alleles per locus or as expected heterozygosity) was not related to either the repeat unit size or to the number of repeats.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Cole</LastName><ForeName>Christopher T</ForeName><Initials>CT</Initials><AffiliationInfo><Affiliation>Division of Science and Mathematics, University of Minnesota-Morris, 600 E. 4th St., Morris, MN 56267, USA. colect@mrs.umn.edu</Affiliation></AffiliationInfo></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>England</Country><MedlineTA>New Phytol</MedlineTA><NlmUniqueID>9882884</NlmUniqueID><ISSNLinking>0028-646X</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000483" MajorTopicYN="N">Alleles</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005075" MajorTopicYN="N">Biological Evolution</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014644" MajorTopicYN="Y">Genetic Variation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018895" MajorTopicYN="N">Microsatellite Repeats</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2005</Year><Month>6</Month><Day>14</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2005</Year><Month>8</Month><Day>17</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2005</Year><Month>6</Month><Day>14</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">15948838</ArticleId><ArticleId IdType="pii">NPH1423</ArticleId><ArticleId IdType="doi">10.1111/j.1469-8137.2005.01423.x</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Minnesota</li></region></list><tree><country name="États-Unis"><region name="Minnesota"><name sortKey="Cole, Christopher T" sort="Cole, Christopher T" uniqKey="Cole C" first="Christopher T" last="Cole">Christopher T. 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