Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 544613
Title Analyses of Eurasian wild and domestic pig genomes reveal long-term gene flow and selection during domestication
Author(s) Frantz, L.A.F.; Schraiber, J.G.; Madsen, O.; Megens, H.J.W.C.; Cagan, A.; Bosse, M.; Paudel, Y.; Crooijmans, R.P.M.A.; Larson, G.; Groenen, M.
Source Wageningen University
Department(s) Animal Breeding and Genomics
Publication type Dataset
Publication year 2015
Keyword(s) PRJEB9922 - PRJEB9922 - Sus scrofa - Sus verrucosus
Abstract Traditionally, the process of domestication is assumed to be initiated by humans, involve few individuals, and rely on reproductive isolation between wild and domestic forms. We analyzed pig domestication using over 100 genome sequences and tested whether pig domestication followed a traditional linear model, or a more complex, reticulate model. We found that the assumptions of traditional models, such as reproductive isolation and strong domestication bottlenecks, are incompatible with the genetic data. In addition, our results show that despite gene-flow, the genomes of domestic pigs show strong signatures of selection at loci that affect behaviour and morphology. We argue that recurrent selection for domestic traits likely counteracted the homogenising effect of gene-flow from wild boars and created “islands of domestication” in the genome. Our results have significant ramifications for our understanding of animal domestication and suggest that future studies should employ models that do not assume reproductive isolation.
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