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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Integrating Y-chromosome, mitochondrial, and autosomal data to analyze the origin of pig breeds
Molecular Biology and Evolution, Volume 26, No. 9, Year 2009
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Description
We have investigated the origin of swine breeds through the joint analysis of mitochondrial, microsatellite, and Y-chromosome polymorphisms in a sample of pigs and wild boars with a worldwide distribution. Genetic differentiation between pigs and wild boars was remarkably weak, likely as a consequence of a sustained gene flow between both populations. The analysis of nuclear markers evidenced the existence of a close genetic relationship between Near Eastern and European wild boars making it difficult to infer their relative contributions to the gene pool of modern European breeds. Moreover, we have shown that European and Far Eastern pig populations have contributed maternal and paternal lineages to the foundation of African and South American breeds. Although West African pigs from Nigeria and Benin exclusively harbored European alleles, Far Eastern and European genetic signatures of similar intensity were detected in swine breeds from Eastern Africa. This region seems to have been a major point of entry of livestock species in the African continent as a result of the Indian Ocean trade. Finally, South American creole breeds had essentially a European ancestry although Asian Y-chromosome and mitochondrial haplotypes were found in a few Nicaraguan pigs. The existence of Spanish and Portuguese commercial routes linking Asia with America might have favored the introduction of Far Eastern breeds into this continent. © The Author 2009. Published by Oxford University Press on behalf of the Society for Molecular Biology and Evolution. All rights reserved.
Authors & Co-Authors
Ramírez, Oscar
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Spain, Barcelona
Csic-upf - Instituto de Biologia Evolutiva Ibe
Ojeda, Ana
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Tomás, Anna
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Gallardo, David
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Huang, Lusheng
China, Nanchang
Jiangxi Agricultural University
Folch, Josep M.
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Clop, Alex
United Kingdom, London
King's College London
Sánchez, Armand Sànchez Anchez
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Badaoui, Bouabid
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Hanotte, Olivier H.
Kenya, Nairobi
International Livestock Research Institute Nairobi
Galman-Omitogun, Ofelia
Nigeria, Ife
Obafemi Awolowo University
Makuza, Stanley Marshall
Zimbabwe, Harare
University of Zimbabwe
Soto, H. W.
Costa Rica, San Jose
Universidad de Costa Rica
Cadillo, J.
Peru, Lima
Universidad Nacional Agraria la Molina
Kelly, Lucía
Uruguay, Montevideo
Instituto Nacional de Investigación Agropecuaria – Inia Uruguay
Cho, In-cheol
South Korea, Jeonju
Rural Development Administration
Yeghoyan, Seryozha
Armenia, Yerevan
Armenian National Agrarian University
Pérez-Enciso, Miguel
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Spain, Barcelona
Institució Catalana de Recerca I Estudis Avançats
Amills, Marcel
Spain, Cerdanyola Del Valles
Universitat Autònoma de Barcelona
Statistics
Citations: 122
Authors: 19
Affiliations: 13
Identifiers
Doi:
10.1093/molbev/msp118
ISSN:
07374038
e-ISSN:
15371719
Research Areas
Cancer
Genetics And Genomics
Maternal And Child Health
Study Locations
Benin
Nigeria