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  Rapid genetic and ecological differentiation during the northern range expansion of the venomous yellow sac spider Cheiracanthium punctorium in Europe

Krehenwinkel, H., Rödder, D., Năpăruş-Aljančič, M., & Kuntner, M. (2016). Rapid genetic and ecological differentiation during the northern range expansion of the venomous yellow sac spider Cheiracanthium punctorium in Europe. Evolutionary Applications, 9(10), 1229-1240. doi:10.1111/eva.12392.

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Krehenwinkel_et_al-2016-Evolutionary_Applications.pdf (Publisher version), 1016KB
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Krehenwinkel_et_al-2016-Evolutionary_Applications.pdf
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2016
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2016 The Authors. Evolutionary Applications published by John Wiley & Sons Ltd. This is an open access article under the terms of the CreativeCommons Attribution License, which permits use, distribution and reproduction in any medium, providedthe original work is properly cited.

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Krehenwinkel, Henrik1, Author           
Rödder, Dennis, Author
Năpăruş-Aljančič, Magdalena, Author
Kuntner, Matjaz, Author
Affiliations:
1Department Evolutionary Genetics, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445635              

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Free keywords: adaptation; global change; isolation by environment; range expansion; venomous spider
 Abstract: Although poleward range expansions are commonly attributed to global change, a complex interaction of ecological and evolutionary factors might contribute to expansion success. Here, we study the expansion of the yellow sac spider Cheiracanthium punctorium, a medically important species in Central Europe. Using microsatellite markers and DNA sequences, morphological and climate niche analyses, we identify factors associated with the spider's expansion success. Our results indicate that the species' initial expansion has been triggered by environmental change and preadaptation in the source populations. However, despite extensive gene flow, expanding populations maintain genetic and morphological differentiation from native ones, which is correlated with climatic niche differences. Moreover, expanding spiders might have temporarily escaped an eggsac parasite that causes high mortality in the native range. Hence, our results paint a complex picture of diverse factors associated with expansion success. We speculate that expanding populations might be capable of adapting to novel ecological conditions in northern Europe. This could allow a substantial range expansion, much farther than by environmental change alone. Our distribution model predicts that the spider will soon massively spread over most of northern Europe, bringing along considerable health concerns. © 2016 The Authors. Evolutionary Applications published by John Wiley Sons Ltd.

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Language(s): eng - English
 Dates: 2015-08-032016-04-292016-11-112016
 Publication Status: Issued
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 Rev. Type: -
 Identifiers: DOI: 10.1111/eva.12392
BibTex Citekey: Krehenwinkel20161229
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Title: Evolutionary Applications
Source Genre: Journal
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Publ. Info: Wiley-Blackwell
Pages: - Volume / Issue: 9 (10) Sequence Number: - Start / End Page: 1229 - 1240 Identifier: Other: 1752-4571
Other: 1752-4563
CoNE: https://pure.mpg.de/cone/journals/resource/1752-4563