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New Sorex araneus karyotypes from Germany and the postglacial recolonization of Central Europe

100%

Brunner H., Turni H., Kapischke H. J., Stubbe M., Vogel P.

Acta Theriologica

2002

tom 47

nr 3

New G-banded karyotypes from populations of the common shrew Sorex araneus Linnaeus, 1758 provide a clearer picture of the distribution of chromosome races in central Europe. As expected according to their occurrence in neighbouring countries, the Jutland (kq, no), Laska (k/o) and Drnholec (ko, nr) races are also found in Germany. A new chromosome race "Rügen" (kq) is described from this Baltic Island. Together with the previously recorded races Ulm and Mooswald (kr), six chromosome races are now known from Germany. The resulting distribution pattern is characterized by high frequencies of different race-specific metacentrics at the periphery of the country and clines with decreasing frequencies towards the centre which is occupied by the Ulm race. This race is acrocentric for all chromosome arms involved in the observed race-specific fusions and represents a buffer between the surrounding, more metacentric races. According to the present distribution of these metacentrics, a scenario for the postglacial recolonization of central Europe by S. araneus populations on three different routes is proposed: from the east along the northern slopes of the Carpathian Arc, from the south-east along the Danube Valley and from the south-west through the Upper Rhine Valley.

Shallow genetic differentiation in Miniopterus schreibersii (Chiroptera: Vespertilionidae) indicates a relatively recent re-colonization of Europe from a single glacial refugium

67%

Furman A., Oztunc T., Postawa T., Coraman E.

Acta Chiropterologica

2010

tom 12

nr 1

In this study we analyzed 547 sequences of the first hypervariable domain of the control region of Miniopterus schreibersii sampled in colonies located in the western- and eastern-most borders of its distribution. We assessed genetic diversity of these colonies, quantified differences between them, and pointed out to their putative ancestral origin. Our results suggest that the extant European populations of M. schreibersii are descendants of the ancestors that survived the last glacial maximum in a single glacial refugium, probably located in the north-western Anatolia. According to our model, a rapid population expansion and major re-colonization events started after the climatic change that followed the end of the last glacial maximum. Our suggestions are supported by the shallow genetic differentiation between the eastern and western colonies of M. schreibersii, high genetic diversity observed in the eastern colonies, and population expansion time estimated for ca. 15.6 kyr BP.

Ograniczanie wyników

1 Acta Chiropterologica

1 Acta Theriologica

1 Brunner H.

1 Coraman E.

1 Furman A.

1 Kapischke H. J.

1 Oztunc T.

1 Postawa T.

1 Stubbe M.

1 Turni H.

1 Vogel P.

1 2010

1 2002

Wyniki wyszukiwania

New Sorex araneus karyotypes from Germany and the postglacial recolonization of Central Europe

Shallow genetic differentiation in Miniopterus schreibersii (Chiroptera: Vespertilionidae) indicates a relatively recent re-colonization of Europe from a single glacial refugium