RAPD variation within and among natural populations of trembling aspen (Populus tremuloides Michx.) from Alberta.
Identifieur interne : 004A67 ( Main/Curation ); précédent : 004A66; suivant : 004A68RAPD variation within and among natural populations of trembling aspen (Populus tremuloides Michx.) from Alberta.
Auteurs : F C Yeh [Canada] ; D K Chong ; R C YangSource :
- The Journal of heredity [ 0022-1503 ]
Descripteurs français
- KwdFr :
- ADN des plantes (isolement et purification), Alberta (MeSH), Amorces ADN (MeSH), Arbres (génétique), Données de séquences moléculaires (MeSH), Géographie (MeSH), Opéron (MeSH), Phylogenèse (MeSH), Polymorphisme génétique (MeSH), Réaction de polymérisation en chaîne (MeSH), Séquence nucléotidique (MeSH), Variation génétique (MeSH).
- MESH :
- génétique : Arbres.
- isolement et purification : ADN des plantes.
- Alberta, Amorces ADN, Données de séquences moléculaires, Géographie, Opéron, Phylogenèse, Polymorphisme génétique, Réaction de polymérisation en chaîne, Séquence nucléotidique, Variation génétique.
English descriptors
- KwdEn :
- MESH :
- chemical , isolation & purification : DNA, Plant.
- chemical : DNA Primers.
- geographic : Alberta.
- genetics : Trees.
- Base Sequence, Genetic Variation, Geography, Molecular Sequence Data, Operon, Phylogeny, Polymerase Chain Reaction, Polymorphism, Genetic.
Abstract
This article described the population structure of trembling aspen (Populus tremuloides Michx.) in Alberta, a dioecious tree with continuous and wide distribution, and with a primary mode of reproduction through suckering. We studied random amplified polymorphic DNA (RAPD) variation in 249 trees from eight natural populations. Trees within a population were a minimum of 200 m apart to decrease the risk of sampling ramets of a single ortet. Of a total of 28 amplified RAPD products (bands) from five random oligonucleotide primers, the frequencies at seven (25%) were heterogeneous across populations and the percentage of polymorphism averaged 90.2 per population. Estimates of Shannon's phenotypic diversity index ranged between 0.58 and 0.69 among populations, averaging 0.65. There were 246 multiband phenotypes among the 249 trees; three were each shared by two trees from different populations and the remaining 243 were unique. Thus, trees within populations probably were different clones. Analysis of molecular variance partitioned the RAPD variation into the among- and within-population components. The within-population component accounted for 97.4% of the variation and was significantly different from zero at the 2% level of probability. The among-population component, although accounting for only 2.6% of the variation, was significantly different from zero at the 1% level of probability. Pairwise tests for the homogeneity of the RAPD variance between populations suggested significant divergences among 18 of the 28 (64%) population pairs.
DOI: 10.1093/oxfordjournals.jhered.a111620
PubMed: 8568211
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pubmed:8568211Le document en format XML
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<author><name sortKey="Yeh, F C" sort="Yeh, F C" uniqKey="Yeh F" first="F C" last="Yeh">F C Yeh</name>
<affiliation wicri:level="1"><nlm:affiliation>Department of Renewable Resources, University of Alberta, Edmonton, Canada.</nlm:affiliation>
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<wicri:regionArea>Department of Renewable Resources, University of Alberta, Edmonton</wicri:regionArea>
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<author><name sortKey="Chong, D K" sort="Chong, D K" uniqKey="Chong D" first="D K" last="Chong">D K Chong</name>
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<author><name sortKey="Yang, R C" sort="Yang, R C" uniqKey="Yang R" first="R C" last="Yang">R C Yang</name>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Alberta (MeSH)</term>
<term>Base Sequence (MeSH)</term>
<term>DNA Primers (MeSH)</term>
<term>DNA, Plant (isolation & purification)</term>
<term>Genetic Variation (MeSH)</term>
<term>Geography (MeSH)</term>
<term>Molecular Sequence Data (MeSH)</term>
<term>Operon (MeSH)</term>
<term>Phylogeny (MeSH)</term>
<term>Polymerase Chain Reaction (MeSH)</term>
<term>Polymorphism, Genetic (MeSH)</term>
<term>Trees (genetics)</term>
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<keywords scheme="KwdFr" xml:lang="fr"><term>ADN des plantes (isolement et purification)</term>
<term>Alberta (MeSH)</term>
<term>Amorces ADN (MeSH)</term>
<term>Arbres (génétique)</term>
<term>Données de séquences moléculaires (MeSH)</term>
<term>Géographie (MeSH)</term>
<term>Opéron (MeSH)</term>
<term>Phylogenèse (MeSH)</term>
<term>Polymorphisme génétique (MeSH)</term>
<term>Réaction de polymérisation en chaîne (MeSH)</term>
<term>Séquence nucléotidique (MeSH)</term>
<term>Variation génétique (MeSH)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="isolation & purification" xml:lang="en"><term>DNA, Plant</term>
</keywords>
<keywords scheme="MESH" type="chemical" xml:lang="en"><term>DNA Primers</term>
</keywords>
<keywords scheme="MESH" type="geographic" xml:lang="en"><term>Alberta</term>
</keywords>
<keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Trees</term>
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<keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Arbres</term>
</keywords>
<keywords scheme="MESH" qualifier="isolement et purification" xml:lang="fr"><term>ADN des plantes</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Base Sequence</term>
<term>Genetic Variation</term>
<term>Geography</term>
<term>Molecular Sequence Data</term>
<term>Operon</term>
<term>Phylogeny</term>
<term>Polymerase Chain Reaction</term>
<term>Polymorphism, Genetic</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr"><term>Alberta</term>
<term>Amorces ADN</term>
<term>Données de séquences moléculaires</term>
<term>Géographie</term>
<term>Opéron</term>
<term>Phylogenèse</term>
<term>Polymorphisme génétique</term>
<term>Réaction de polymérisation en chaîne</term>
<term>Séquence nucléotidique</term>
<term>Variation génétique</term>
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<front><div type="abstract" xml:lang="en">This article described the population structure of trembling aspen (Populus tremuloides Michx.) in Alberta, a dioecious tree with continuous and wide distribution, and with a primary mode of reproduction through suckering. We studied random amplified polymorphic DNA (RAPD) variation in 249 trees from eight natural populations. Trees within a population were a minimum of 200 m apart to decrease the risk of sampling ramets of a single ortet. Of a total of 28 amplified RAPD products (bands) from five random oligonucleotide primers, the frequencies at seven (25%) were heterogeneous across populations and the percentage of polymorphism averaged 90.2 per population. Estimates of Shannon's phenotypic diversity index ranged between 0.58 and 0.69 among populations, averaging 0.65. There were 246 multiband phenotypes among the 249 trees; three were each shared by two trees from different populations and the remaining 243 were unique. Thus, trees within populations probably were different clones. Analysis of molecular variance partitioned the RAPD variation into the among- and within-population components. The within-population component accounted for 97.4% of the variation and was significantly different from zero at the 2% level of probability. The among-population component, although accounting for only 2.6% of the variation, was significantly different from zero at the 1% level of probability. Pairwise tests for the homogeneity of the RAPD variance between populations suggested significant divergences among 18 of the 28 (64%) population pairs.</div>
</front>
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<Title>The Journal of heredity</Title>
<ISOAbbreviation>J Hered</ISOAbbreviation>
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<ArticleTitle>RAPD variation within and among natural populations of trembling aspen (Populus tremuloides Michx.) from Alberta.</ArticleTitle>
<Pagination><MedlinePgn>454-60</MedlinePgn>
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<Abstract><AbstractText>This article described the population structure of trembling aspen (Populus tremuloides Michx.) in Alberta, a dioecious tree with continuous and wide distribution, and with a primary mode of reproduction through suckering. We studied random amplified polymorphic DNA (RAPD) variation in 249 trees from eight natural populations. Trees within a population were a minimum of 200 m apart to decrease the risk of sampling ramets of a single ortet. Of a total of 28 amplified RAPD products (bands) from five random oligonucleotide primers, the frequencies at seven (25%) were heterogeneous across populations and the percentage of polymorphism averaged 90.2 per population. Estimates of Shannon's phenotypic diversity index ranged between 0.58 and 0.69 among populations, averaging 0.65. There were 246 multiband phenotypes among the 249 trees; three were each shared by two trees from different populations and the remaining 243 were unique. Thus, trees within populations probably were different clones. Analysis of molecular variance partitioned the RAPD variation into the among- and within-population components. The within-population component accounted for 97.4% of the variation and was significantly different from zero at the 2% level of probability. The among-population component, although accounting for only 2.6% of the variation, was significantly different from zero at the 1% level of probability. Pairwise tests for the homogeneity of the RAPD variance between populations suggested significant divergences among 18 of the 28 (64%) population pairs.</AbstractText>
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