Reference : Phylogeography of a cryptic speciation continuum in Eurasian spadefoot toads (Pelobates)
Scientific journals : Article
Life sciences : Zoology
Life sciences : Aquatic sciences & oceanology
Life sciences : Genetics & genetic processes
http://hdl.handle.net/2268/237922
Phylogeography of a cryptic speciation continuum in Eurasian spadefoot toads (Pelobates)
English
Dufresnes, Christophe [University of Lausanne & Hintermann & Weber > > > > >]
Strachinis, Ilias [Aristotle University of Thessaloniki > > > >]
Suriadna, Nataliia [Melitopol Insitute of Ecology and Social Technologies of University “Ukraine” > > > >]
Mykytynets, Galyna [Pryazovsky National Nature Park > > > >]
Cogălniceanu, Dan [University Ovidius Constanţa > > > >]
Székely, Paul [Universidad Técnica Particular de Loja > > > >]
Vukov, Tanja [Department of Evolutionary Biology, Institute for Biological Research “Siniša Stanković” > > > >]
Arntzen, Jan W. [Naturalis Biodiversity Center > > > >]
Wielstra, Ben [Leiden University > > > >]
Lymberakis, Petros [University of Crete > > > >]
Geffen, Eli [Tel Aviv University > > > >]
Gafny, Sarig [Ruppin Academic Center > > > >]
Kumlutaş, Yusuf [Dokuz Eylül University > > > >]
Ilgaz, Çetin [Dokuz Eylül University > > > >]
Candan, Kamil [Dokuz Eylül University > > > >]
Mizsei, Edvárd [Hungarian Academy of Sciences > > > >]
Szabolcs, Márton [Hungarian Academy of Sciences > > > >]
Kolenda, Krzysztof [University of Wrocław > > > >]
Smirnov, Nazar [Chernivtsi Regional Museum > > > >]
Géniez, Philippe [University Paul Valéry Montpellier 3 > > > >]
Lukanov, Simeon [Bulgarian Academy of Sciences > > > >]
Crochet, Pierre-André [University Paul Valéry Montpellier 3 > > > >]
Dubey, Sylvain [University of Lausanne & Hintermann & Weber SA, > > > >]
Perrin, Nicolas [University of Lausanne > > > >]
Litvinchuk, Spartak N. [Russian Academy of Sciences & Dagestan State University > > > >]
Denoël, Mathieu mailto [Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Laboratoire d'Écologie et de Conservation des Amphibiens >]
Jul-2019
Molecular Ecology
Wiley
28
13
3257-3270
Yes (verified by ORBi)
International
09621083
1365294X
Oxford
United Kingdom
[en] amphibia ; anura ; hybrid zones ; population genomics ; reproductive isolation ; speciation continuum ; RAD Seq ; Phylogeography ; Cryptic divergence ; multilocus ; Cryptic phylogeographic lineage ; Eurasia ; Spadefoot toad ; Pelobates fuscus ; Pelobates vespertinus ; Pelobates syriacus ; Pelobates balcanicus ; Pelobates varaldii ; Pelobates cultripes ; Pelobatidae ; Balkans
[en] Cryptic phylogeographic diversifications provide unique models to examine the role of phylogenetic divergence on the evolution of reproductive isolation, without extrinsic factors such as ecological and behavioural differentiation. Yet, to date very few comparative studies have been attempted within such radiations. Here, we characterize a new speciation continuum in a group of widespread Eurasian amphibians, the Pelobates spadefoot toads, by conducting multilocus (restriction site associated DNA sequencing and mitochondrial DNA) phylogenetic, phylogeographic and hybrid zone analyses. Within the P. syriacus complex, we discovered species-level cryptic divergences (>5 million years ago [My]) between populations distributed in the Near-East (hereafter P. syriacus sensu stricto [s.s.]) and southeastern Europe (hereafter P. balcanicus), each featuring deep intraspecific lineages. Altogether, we could scale hybridizability to divergence time along six different stages, spanning from sympatry without gene flow (P. fuscus and P. balcanicus, >10 My), parapatry with highly restricted hybridization (P. balcanicus and P. syriacus s.s., >5 My), narrow hybrid zones (~15 km) consistent with partial reproductive isolation (P. fuscus and P. vespertinus, ~3 My), to extensive admixture between Pleistocene and refugial lineages (≤2 My). This full spectrum empirically supports a gradual build up of reproductive barriers through time, reversible up until a threshold that we estimate at ~3 My. Hence, cryptic phylogeographic lineages may fade away or become reproductively isolated species simply depending on the time they persist in allopatry, and without definite ecomorphological divergence.
Freshwater and OCeanic science Unit of reSearch - FOCUS
Fonds de la Recherche Scientifique - F.R.S.-FNRS ; Wallonie-Bruxelles International - WBI ; CCCDI‐UEFISCDI ; Serbian Ministry of Education, Science and Technological Development ; Swiss National Science Foundation
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/237922
10.1111/mec.15133
https://onlinelibrary.wiley.com/doi/abs/10.1111/mec.15133
The final published paper is also available online on Wiley website (see DOI)

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