Speciation progress: a case study on the bushcricket Poecilimon veluchianus

Eweleit L, Reinhold K, Sauer J (2015)
PLoS ONE 10(10): e0139494.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
Abstract / Bemerkung
Different mechanisms such as selection or genetic drift permitted e.g. by geographical isolation can lead to differentiation of populations and could cause subsequent speciation. The two subspecies of Poecilimon veluchianus, a bushcricket endemic to central Greece, show a parapatric distribution and are partially reproductively isolated. Therefore, P. veluchianus is suitable to investigate an ongoing speciation process. We based our analysis on sequences of the internal transcribed spacer (ITS) and the mitochondrial control region (CR). The population genetic analysis based on the nuclear marker ITS revealed a barrier to gene flow within the range of Poecilimon veluchianus, which corresponds well to the described subspecies. In contrast to the results based on the nuclear ITS marker, the mitochondrial CR marker does not clearly support the separation into two subspecies with restricted gene flow and a clear contact zone. Furthermore, we could identify isolation by distance (IBD) as one important mechanism responsible for the observed genetic structure (based on the ITS marker). The population genetic analysis based on the nuclear marker ITS also suggests the existence of hybrids in the wild. Furthermore, the simultaneous lack of strong prezygotic barriers and the presence of postzygotic mating barriers, observed in previous laboratory experiments, suggest that a secondary contact after an allopatric phase is more likely than parapatric speciation.
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PLoS ONE
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10
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10
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e0139494
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Article Processing Charge funded by the Deutsche Forschungsgemeinschaft and the Open Access Publication Fund of Bielefeld University.
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Eweleit L, Reinhold K, Sauer J. Speciation progress: a case study on the bushcricket Poecilimon veluchianus. PLoS ONE. 2015;10(10): e0139494.
Eweleit, L., Reinhold, K., & Sauer, J. (2015). Speciation progress: a case study on the bushcricket Poecilimon veluchianus. PLoS ONE, 10(10), e0139494. doi:10.1371/journal.pone.0139494
Eweleit, L., Reinhold, K., and Sauer, J. (2015). Speciation progress: a case study on the bushcricket Poecilimon veluchianus. PLoS ONE 10:e0139494.
Eweleit, L., Reinhold, K., & Sauer, J., 2015. Speciation progress: a case study on the bushcricket Poecilimon veluchianus. PLoS ONE, 10(10): e0139494.
L. Eweleit, K. Reinhold, and J. Sauer, “Speciation progress: a case study on the bushcricket Poecilimon veluchianus”, PLoS ONE, vol. 10, 2015, : e0139494.
Eweleit, L., Reinhold, K., Sauer, J.: Speciation progress: a case study on the bushcricket Poecilimon veluchianus. PLoS ONE. 10, : e0139494 (2015).
Eweleit, Lucienne, Reinhold, Klaus, and Sauer, Jan. “Speciation progress: a case study on the bushcricket Poecilimon veluchianus”. PLoS ONE 10.10 (2015): e0139494.
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2018-01-24T15:49:35Z

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Nuclear and mitochondrial patterns of introgression between the parapatric European treefrogs Hyla arborea and H. intermedia
AUTHOR UNKNOWN, 2009
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