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Cytogenetic and molecular characterization of eight new reciprocal translocations in the pig species. Estimation of their incidence in French populations

Genetics Selection Evolution volume 34, Article number: 389 (2002) Cite this article

Abstract

Eight new cases of reciprocal translocation in the domestic pig are described. All the rearrangements were highlighted using GTG banding techniques. Chromosome painting experiments were also carried out to confirm the proposed hypotheses and to accurately locate the breakpoints. Three translocations, rcp(4;6)(q21;p14), rcp(2;6)(p17;q27) and rcp(5;17)(p12;q13) were found in boars siring small litters (8.3 and 7.4 piglets born alive per litter, on average, for translocations 2/6 and 5/17, respectively). The remaining five, rcp(5;8)(p12;q21), rcp(15;17)(q24;q21), rcp(7;8)(q24;p21), rcp(5;8)(p11;p23) and rcp(3;15)(q27;q13) were identified in young boars controlled before entering reproduction. A decrease in prolificacy of 22% was estimated for the 3/15 translocation after reproduction of the boar carrier. A parental origin by inheritance of the translocation was established for the (5;8)(p11;p23) translocation. The overall incidence of reciprocal translocations in the French pig populations over the 2000/2001 period was estimated (0.34%).

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Authors and Affiliations

  1. UMR INRA-ENVT de cytogénétique des populations animales, École nationale vétérinaire de Toulouse, 23 Chemin des capelles, 31076, Toulouse Cedex 3, France

    Alain Ducos, Alain Pinton, Anne Séguéla, Hélène-Marie Berland, Corinne Brun-Baronnat, Nathalie Bonnet & Roland Darré

  2. Institut national de la recherche agronomique, Laboratoire de génétique cellulaire, Auzeville, BP 27, 31326, Castanet-Tolosan Cedex, France

    Martine Yerle

Authors
  1. Alain Ducos
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  2. Alain Pinton
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  3. Martine Yerle
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  4. Anne Séguéla
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  5. Hélène-Marie Berland
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  6. Corinne Brun-Baronnat
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  7. Nathalie Bonnet
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  8. Roland Darré
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Correspondence to Alain Ducos.

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This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Ducos, A., Pinton, A., Yerle, M. et al. Cytogenetic and molecular characterization of eight new reciprocal translocations in the pig species. Estimation of their incidence in French populations. Genet Sel Evol 34, 389 (2002). https://doi.org/10.1186/1297-9686-34-3-389

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  • DOI: https://doi.org/10.1186/1297-9686-34-3-389

Keywords

Genetics Selection Evolution

ISSN: 1297-9686