Contrasting and congruent patterns of genetic structuring in two Microtus vole species using museum specimens
Stojak, J, Wójcik, JM, Ruczyńska, I, Searle, JB and McDevitt, A 2016, 'Contrasting and congruent patterns of genetic structuring in two Microtus vole species using museum specimens' , Mammal Research, 61 (2) , pp. 141-152.
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The common vole (Microtus arvalis) and the field vole (Microtus agrestis) are morphologically similar species but are ecological distinctive and differ in the details of their evolutionary history as revealed by mitochondrial DNA (mtDNA). The aim of this study is to describe patterns of genetic variability using microsatellite markers in populations of the common and field vole in Poland using museum specimens, to assess the degree of congruence with mtDNA variation and thereby determine the factors that influence current patterns of gene flow. We genotyped 190 individuals of the common vole at 11 loci and 190 individuals of the field vole at 13 loci. Overall differentiation based on F ST was higher for the common vole than in the field vole. We detected a significant isolation by distance pattern for both species. Bayesian analysis in STRUCTURE identified Eastern and Western geographic groups in Poland based on microsatellites for both species. The location of river barriers is likely to be the main factor in these partitions. The eastern-western subdivision with microsatellites does not coincide with the distribution of mtDNA lineages for either species. Unlike previous studies in the common and field vole elsewhere in Europe, we found no evidence of reproductive isolation between the mtDNA lineages of these species at their contact zones in Poland. This study highlights the different roles of evolutionary history and landscape in shaping contemporary genetic structure in voles in Poland.
|Schools:||Schools > School of Environment and Life Sciences > Ecosystems and Environment Research Centre|
|Journal or Publication Title:||Mammal Research|
|Publisher:||Springer Berlin Heidelberg|
|Funders:||National Science Centre, Poland|
|Depositing User:||Dr A McDevitt|
|Date Deposited:||26 Jan 2016 10:11|
|Last Modified:||25 Apr 2016 12:26|
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