Genetic consequences of the ice ages on nurseries of the bat Myotis myotis: a mitochondrial and nuclear survey

Molecular Ecology
M Ruedi, V Castella

Abstract

Analyses of mitochondrial DNA (mtDNA) control region polymorphism and of variation at 10 nuclear microsatellite loci were used to investigate the mechanisms and genetic consequences of postglacial expansion of Myotis myotis in Europe. Initial sampling consisted of 480 bats genotyped in 24 nursery colonies arranged along a transect of approximately 3000 km. The phylogeographical survey based on mtDNA sequences revealed the existence of major genetic subdivisions across this area, with several suture zones between haplogroups. Such zones of secondary contact were found in the Alps and Rhodopes, whereas other potential barriers to gene flow, like the Pyrenees, did not coincide with genetic discontinuities. Areas of population admixture increased locally the genetic diversity of colonies, which confounded the northward decrease in nucleotide diversity predicted using classical models of postglacial range expansion. However, when analyses were restricted to a subset of 15 nurseries originating from a single presumed glacial refugium, mtDNA polymorphism did indeed support a northwards decrease in diversity. Populations were also highly structured (PhiST = 0.384). Conversely, the same subset of colonies showed no significant latitudin...Continue Reading

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Citations

Feb 23, 2011·Oecologia·Björn M SiemersChristian C Voigt
Jun 6, 2009·The Journal of Heredity·Maria João Ramos PereiraJorge M Palmeirim
Jun 21, 2008·Molecular Ecology·Thongchai NgamprasertwongStuart B Piertney
Jan 6, 2010·EcoHealth·Amy S Turmelle, Kevin J Olival
Mar 24, 2020·Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis·Robab MehdizadehMozafar Sharifi

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