Early medieval cattle remains from a Scandinavian settlement in Dublin: genetic analysis and comparison with extant breeds

Author:

MacHugh David E.1,Troy Christopher S.1,McCormick Finbar2,Olsaker Ingrid3,Eythórsdóttir Emma4,Bradle Daniel G.1

Affiliation:

1. Department of Genetics, Trinity College, Dublin 2, Ireland

2. School of Archaeology and Palaeoecology, Queen's University of Belfast, Belfast BT7 1NN, Northern Ireland

3. Department of Morphology, Genetics and Aquatic Biology, Norwegian College of Veterinary Medicine, PO Box 8146, Dep. N-0033 Oslo, Norway

4. Agricultural Research Institute, Keldnaholt, 112 Reykjavik, Iceland

Abstract

A panel of cattle bones excavated from the 1000–year–old Viking Fishamble Street site in Dublin was assessed for the presence of surviving mitochondrial DNA (mtDNA). Eleven of these bones gave amplifiable mtDNA and a portion of the hypervariable control region was determined for each specimen. A comparative analysis was performed with control region sequences from five extant Nordic and Irish cattle breeds. The medieval population displayed similar levels of mtDNA diversity to modern European breeds. However, a number of novel mtDNA haplotypes were also detected in these bone samples. In addition, the presence of a putative ancestral sequence at high frequency in the medieval population supports an early post–domestication expansion of cattle in Europe.

Publisher

The Royal Society

Subject

General Agricultural and Biological Sciences,General Biochemistry, Genetics and Molecular Biology

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