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Genetic diversity within and between European pig breeds using microsatellite markers

Identifieur interne : 009981 ( Main/Exploration ); précédent : 009980; suivant : 009982

Genetic diversity within and between European pig breeds using microsatellite markers

Auteurs : M. Sancristobal [France] ; C. Chevalet [France] ; C. S. Haley [Royaume-Uni] ; R. Joosten [Pays-Bas] ; A. P. Rattink [Pays-Bas] ; B. Harlizius [Pays-Bas] ; M. A. M. Groenen [Pays-Bas] ; Y. Amigues [France] ; M. Boscher [France] ; G. Russell [Royaume-Uni] ; A. Law [Royaume-Uni] ; R. Davoli [Italie] ; V. Russo [Italie] ; C. Désautés [France] ; L. Alderson [Royaume-Uni] ; E. Fimland [Norvège] ; M. Bagga [Royaume-Uni] ; J. V. Delgado [Espagne] ; J. L. Vega-Pla [Espagne] ; A. M. Martinez [Espagne] ; M. Ramos [Portugal] ; P. Glodek [Allemagne] ; J. N. Meyer [Allemagne] ; G. C. Gandini [Italie] ; D. Matassino [Italie] ; G. S. Plastow [Royaume-Uni] ; K. W. Siggens [Royaume-Uni] ; G. Laval [Suisse] ; A. L. Archibald [Royaume-Uni] ; D. Milan [France] ; K. Hammond [Italie, Australie] ; R. Cardellino [Italie]

Source :

RBID : ISTEX:77CA97D0C696BB1303D4714CD4FF87351AA77B5F

Descripteurs français

English descriptors

Abstract

An important prerequisite for a conservation programme is a comprehensive description of genetic diversity. The aim of this study was to use anonymous genetic markers to assess the between‐ and the within‐population components of genetic diversity for European pig breeds at the scale of the whole continent using microsatellites. Fifty‐eight European pig breeds and lines were analysed including local breeds, national varieties of international breeds and commercial lines. A sample of the Chinese Meishan breed was also included. Eleven additional breeds from a previous project were added for some analyses. Approximately 50 individuals per breed were genotyped for a maximum of 50 microsatellite loci. Substantial within‐breed variability was observed, with the average expected heterozygosity and observed number of alleles per locus being 0.56 [range 0.43–0.68] and 4.5 respectively. Genotypic frequencies departed from Hardy–Weinberg expectations (P < 0.01) in 15 European populations, with an excess of homozygotes in 12 of them. The European breeds were on average genetically very distinct, with a Wright FST index value of 0.21. The Neighbour‐Joining tree drawn from the Reynolds distances among the breeds showed that the national varieties of major breeds and the commercial lines were mostly clustered around their breeds of reference (Duroc, Hampshire, Landrace, Large White and Piétrain). In contrast, local breeds, with the exception of the Iberian breeds, exhibited a star‐like topology. The results are discussed in the light of various forces, which may have driven the recent evolution of European pig breeds. This study has consequences for the interpretation of biodiversity results and will be of importance for future conservation programmes.

Url:
DOI: 10.1111/j.1365-2052.2005.01385.x


Affiliations:


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<name sortKey="Archibald, A L" sort="Archibald, A L" uniqKey="Archibald A" first="A. L." last="Archibald">A. L. Archibald</name>
<affiliation wicri:level="1">
<country xml:lang="fr">Royaume-Uni</country>
<wicri:regionArea>Roslin Institute, Midlothian, EH25 9PS</wicri:regionArea>
<wicri:noRegion>EH25 9PS</wicri:noRegion>
</affiliation>
</author>
<author>
<name sortKey="Milan, D" sort="Milan, D" uniqKey="Milan D" first="D." last="Milan">D. Milan</name>
<affiliation wicri:level="3">
<country xml:lang="fr">France</country>
<wicri:regionArea>Institut National de la Recherche Agronomique, Laboratoire de Génétique Cellulaire, 31326 Castanet Tolosan Cédex</wicri:regionArea>
<placeName>
<region type="region" nuts="2">Occitanie (région administrative)</region>
<region type="old region" nuts="2">Midi-Pyrénées</region>
<settlement type="city">Castanet Tolosan Cédex</settlement>
</placeName>
</affiliation>
</author>
<author>
<name sortKey="Hammond, K" sort="Hammond, K" uniqKey="Hammond K" first="K." last="Hammond">K. Hammond</name>
<affiliation wicri:level="1">
<country xml:lang="fr">Italie</country>
<wicri:regionArea>Animal Genetic Resources Group, FAO, Roma 00100</wicri:regionArea>
<placeName>
<settlement type="city">Rome</settlement>
<region nuts="2">Latium</region>
</placeName>
</affiliation>
<affiliation wicri:level="1">
<country xml:lang="fr">Australie</country>
<wicri:regionArea>Present address: 5B Coral Place, Campbell</wicri:regionArea>
<wicri:noRegion>Campbell</wicri:noRegion>
</affiliation>
</author>
<author>
<name sortKey="Cardellino, R" sort="Cardellino, R" uniqKey="Cardellino R" first="R." last="Cardellino">R. Cardellino</name>
<affiliation wicri:level="1">
<country xml:lang="fr">Italie</country>
<wicri:regionArea>Animal Genetic Resources Group, FAO, Roma 00100</wicri:regionArea>
<placeName>
<settlement type="city">Rome</settlement>
<region nuts="2">Latium</region>
</placeName>
</affiliation>
</author>
</analytic>
<monogr></monogr>
<series>
<title level="j" type="main">Animal Genetics</title>
<title level="j" type="alt">ANIMAL GENETICS</title>
<idno type="ISSN">0268-9146</idno>
<idno type="eISSN">1365-2052</idno>
<imprint>
<biblScope unit="vol">37</biblScope>
<biblScope unit="issue">3</biblScope>
<biblScope unit="page" from="189">189</biblScope>
<biblScope unit="page" to="198">198</biblScope>
<biblScope unit="page-count">10</biblScope>
<publisher>Blackwell Publishing Ltd</publisher>
<pubPlace>Oxford, UK</pubPlace>
<date type="published" when="2006-06">2006-06</date>
</imprint>
<idno type="ISSN">0268-9146</idno>
</series>
</biblStruct>
</sourceDesc>
<seriesStmt>
<idno type="ISSN">0268-9146</idno>
</seriesStmt>
</fileDesc>
<profileDesc>
<textClass>
<keywords scheme="KwdEn" xml:lang="en">
<term>Allele</term>
<term>Allele frequencies</term>
<term>Allele numbers</term>
<term>Animal genetics</term>
<term>Bootstrap</term>
<term>Bootstrap values</term>
<term>Breed</term>
<term>Breed code</term>
<term>Chinese meishan breed</term>
<term>Commercial lines</term>
<term>Drift model</term>
<term>Duroc</term>
<term>Effective numbers</term>
<term>European breeds</term>
<term>European populations</term>
<term>Genetic</term>
<term>Genetic distances</term>
<term>Genetic diversity</term>
<term>Genetics</term>
<term>Genetics selection evolution</term>
<term>Heterozygosity</term>
<term>Icelandic landrace</term>
<term>Inra</term>
<term>International breeds</term>
<term>International society</term>
<term>Journal compilation</term>
<term>Landrace</term>
<term>Landrace group</term>
<term>Landrace line</term>
<term>Large breeds</term>
<term>Laval</term>
<term>Local breed</term>
<term>Local breeds</term>
<term>Locus</term>
<term>Main breeds</term>
<term>Meishan</term>
<term>Meishan breed</term>
<term>Meishan sample</term>
<term>Microsatellite</term>
<term>Microsatellite loci</term>
<term>Microsatellites</term>
<term>Mutation</term>
<term>Pietrain</term>
<term>Pigbiodiv</term>
<term>Pigbiodiv data</term>
<term>Pigmap</term>
<term>Pigmap data</term>
<term>Private alleles</term>
<term>Programme</term>
<term>Reynolds distance</term>
<term>Reynolds distances</term>
<term>Sancristobal</term>
<term>Synthetic line</term>
<term>Synthetic lines</term>
<term>Weir cockerham</term>
</keywords>
<keywords scheme="Teeft" xml:lang="en">
<term>Allele</term>
<term>Allele frequencies</term>
<term>Allele numbers</term>
<term>Animal genetics</term>
<term>Bootstrap</term>
<term>Bootstrap values</term>
<term>Breed</term>
<term>Breed code</term>
<term>Chinese meishan breed</term>
<term>Commercial lines</term>
<term>Drift model</term>
<term>Duroc</term>
<term>Effective numbers</term>
<term>European breeds</term>
<term>European populations</term>
<term>Genetic</term>
<term>Genetic distances</term>
<term>Genetic diversity</term>
<term>Genetics</term>
<term>Genetics selection evolution</term>
<term>Heterozygosity</term>
<term>Icelandic landrace</term>
<term>Inra</term>
<term>International breeds</term>
<term>International society</term>
<term>Journal compilation</term>
<term>Landrace</term>
<term>Landrace group</term>
<term>Landrace line</term>
<term>Large breeds</term>
<term>Laval</term>
<term>Local breed</term>
<term>Local breeds</term>
<term>Locus</term>
<term>Main breeds</term>
<term>Meishan</term>
<term>Meishan breed</term>
<term>Meishan sample</term>
<term>Microsatellite</term>
<term>Microsatellite loci</term>
<term>Microsatellites</term>
<term>Mutation</term>
<term>Pietrain</term>
<term>Pigbiodiv</term>
<term>Pigbiodiv data</term>
<term>Pigmap</term>
<term>Pigmap data</term>
<term>Private alleles</term>
<term>Programme</term>
<term>Reynolds distance</term>
<term>Reynolds distances</term>
<term>Sancristobal</term>
<term>Synthetic line</term>
<term>Synthetic lines</term>
<term>Weir cockerham</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr">
<term>Génétique</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front>
<div type="abstract" xml:lang="en">An important prerequisite for a conservation programme is a comprehensive description of genetic diversity. The aim of this study was to use anonymous genetic markers to assess the between‐ and the within‐population components of genetic diversity for European pig breeds at the scale of the whole continent using microsatellites. Fifty‐eight European pig breeds and lines were analysed including local breeds, national varieties of international breeds and commercial lines. A sample of the Chinese Meishan breed was also included. Eleven additional breeds from a previous project were added for some analyses. Approximately 50 individuals per breed were genotyped for a maximum of 50 microsatellite loci. Substantial within‐breed variability was observed, with the average expected heterozygosity and observed number of alleles per locus being 0.56 [range 0.43–0.68] and 4.5 respectively. Genotypic frequencies departed from Hardy–Weinberg expectations (P < 0.01) in 15 European populations, with an excess of homozygotes in 12 of them. The European breeds were on average genetically very distinct, with a Wright FST index value of 0.21. The Neighbour‐Joining tree drawn from the Reynolds distances among the breeds showed that the national varieties of major breeds and the commercial lines were mostly clustered around their breeds of reference (Duroc, Hampshire, Landrace, Large White and Piétrain). In contrast, local breeds, with the exception of the Iberian breeds, exhibited a star‐like topology. The results are discussed in the light of various forces, which may have driven the recent evolution of European pig breeds. This study has consequences for the interpretation of biodiversity results and will be of importance for future conservation programmes.</div>
</front>
</TEI>
<affiliations>
<list>
<country>
<li>Allemagne</li>
<li>Australie</li>
<li>Espagne</li>
<li>France</li>
<li>Italie</li>
<li>Norvège</li>
<li>Pays-Bas</li>
<li>Portugal</li>
<li>Royaume-Uni</li>
<li>Suisse</li>
</country>
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<li>Basse-Saxe</li>
<li>Canton de Berne</li>
<li>Gueldre (province)</li>
<li>Latium</li>
<li>Midi-Pyrénées</li>
<li>Occitanie (région administrative)</li>
<li>Émilie-Romagne</li>
<li>Île-de-France</li>
</region>
<settlement>
<li>Berne</li>
<li>Bologne</li>
<li>Castanet Tolosan Cédex</li>
<li>Göttingen</li>
<li>Jouy‐en‐Josas Cédex</li>
<li>Paris Cédex 12</li>
<li>Rome</li>
<li>Wageningue</li>
</settlement>
<orgName>
<li>Université de Bologne</li>
<li>Université de Wageningue</li>
</orgName>
</list>
<tree>
<country name="France">
<region name="Occitanie (région administrative)">
<name sortKey="Sancristobal, M" sort="Sancristobal, M" uniqKey="Sancristobal M" first="M." last="Sancristobal">M. Sancristobal</name>
</region>
<name sortKey="Amigues, Y" sort="Amigues, Y" uniqKey="Amigues Y" first="Y." last="Amigues">Y. Amigues</name>
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<name sortKey="Chevalet, C" sort="Chevalet, C" uniqKey="Chevalet C" first="C." last="Chevalet">C. Chevalet</name>
<name sortKey="Desautes, C" sort="Desautes, C" uniqKey="Desautes C" first="C." last="Désautés">C. Désautés</name>
<name sortKey="Milan, D" sort="Milan, D" uniqKey="Milan D" first="D." last="Milan">D. Milan</name>
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<name sortKey="Haley, C S" sort="Haley, C S" uniqKey="Haley C" first="C. S." last="Haley">C. S. Haley</name>
</noRegion>
<name sortKey="Alderson, L" sort="Alderson, L" uniqKey="Alderson L" first="L." last="Alderson">L. Alderson</name>
<name sortKey="Archibald, A L" sort="Archibald, A L" uniqKey="Archibald A" first="A. L." last="Archibald">A. L. Archibald</name>
<name sortKey="Bagga, M" sort="Bagga, M" uniqKey="Bagga M" first="M." last="Bagga">M. Bagga</name>
<name sortKey="Law, A" sort="Law, A" uniqKey="Law A" first="A." last="Law">A. Law</name>
<name sortKey="Plastow, G S" sort="Plastow, G S" uniqKey="Plastow G" first="G. S." last="Plastow">G. S. Plastow</name>
<name sortKey="Russell, G" sort="Russell, G" uniqKey="Russell G" first="G." last="Russell">G. Russell</name>
<name sortKey="Siggens, K W" sort="Siggens, K W" uniqKey="Siggens K" first="K. W." last="Siggens">K. W. Siggens</name>
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<name sortKey="Joosten, R" sort="Joosten, R" uniqKey="Joosten R" first="R." last="Joosten">R. Joosten</name>
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<name sortKey="Davoli, R" sort="Davoli, R" uniqKey="Davoli R" first="R." last="Davoli">R. Davoli</name>
</region>
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<name sortKey="Matassino, D" sort="Matassino, D" uniqKey="Matassino D" first="D." last="Matassino">D. Matassino</name>
<name sortKey="Russo, V" sort="Russo, V" uniqKey="Russo V" first="V." last="Russo">V. Russo</name>
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<noRegion>
<name sortKey="Delgado, J V" sort="Delgado, J V" uniqKey="Delgado J" first="J. V." last="Delgado">J. V. Delgado</name>
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<name sortKey="Vega La, J L" sort="Vega La, J L" uniqKey="Vega La J" first="J. L." last="Vega-Pla">J. L. Vega-Pla</name>
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<name sortKey="Ramos, M" sort="Ramos, M" uniqKey="Ramos M" first="M." last="Ramos">M. Ramos</name>
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<name sortKey="Glodek, P" sort="Glodek, P" uniqKey="Glodek P" first="P." last="Glodek">P. Glodek</name>
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<name sortKey="Meyer, J N" sort="Meyer, J N" uniqKey="Meyer J" first="J. N." last="Meyer">J. N. Meyer</name>
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<name sortKey="Laval, G" sort="Laval, G" uniqKey="Laval G" first="G." last="Laval">G. Laval</name>
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<name sortKey="Hammond, K" sort="Hammond, K" uniqKey="Hammond K" first="K." last="Hammond">K. Hammond</name>
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