Population genetic structure and the effect of founder events on the genetic variability of introduced sika deer, Cervus nippon, in Germany and Austria |
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Authors: | Christian Pitra Walburga Lutz |
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Affiliation: | (1) Department of Evolutionary Genetics, Institute for Zoo and Wildlife Research, PF 1103, 10252 Berlin, Germany;(2) Wildlife Research Institute, Pützchens Chaussee 228, 53229 Bonn, Germany |
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Abstract: | The relationships among 214 wild-living sika deer from five locations in Germany and two in Lower Austria were examined using mitochondrial DNA (mtDNA) control region sequence. A total of 18 haplotypes are grouped consistently into two major divergent clades, A and B, which differ by a mean of 8.4% sequence divergence. Recently introduced sika deer showed a complex pattern of population structuring, which probably results from historical vicariance in at least two unknown source populations from southeastern Asia (as previously described by morphological and mtDNA findings), and subsequent population admixture as a result of human-mediated restocking. A strong genetic differentiation among populations was indicated by a global ST value of 0.78 reflecting mainly the differential distribution of clades A and B haplotypes. There was no association between related haplotypes and their distribution among local populations. These indicate that genealogy is a better predictor of the genetic affinity among most sika deer populations than their present-day locations. The abundant mitochondrial divergence we observed, may reflect a subspecies differentiation and could be associated with phenotypic differences among the introduced sika deer.An erratum to this article can be found at |
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Keywords: | Mitochondrial DNA Sika Introduction Cervus nippon |
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