Article Dans Une Revue Amphibia-Reptilia Année : 2023

An extended mtDNA phylogeography for the alpine newt illuminates the provenance of introduced populations

Jody Robbemont
Sam van Veldhuijzen
Steven J.R. Allain
Johanna Ambu
Ryan Boyle
  • Fonction : Auteur
Daniele Canestrelli
Éinne Ó Cathasaigh
Chris Cathrine
Andrea Chiocchio
Dan Cogalniceanu
Milena Cvijanović
  • Fonction : Auteur
Collie Ennis
Rob Gandola
Daniel Jablonski
Angela Julian
  • Fonction : Auteur
Daria Kranželić
Simeon Lukanov
Iñigo Martínez-Solano
Ryan Montgomery
  • Fonction : Auteur
Borislav Naumov
  • Fonction : Auteur
Matthew O’neill
  • Fonction : Auteur
Alexandra North
Maciej Pabijan
Robert Pushendorf
Daniele Salvi
Bruno Schmidt
Konstantinos Sotiropoulos
Florina Stanescu
David Stanković
Sarah Stapleton
  • Fonction : Auteur
Emina Šunje
Márton Szabolcs
  • Fonction : Auteur
Emiliya Vacheva
David Willis
  • Fonction : Auteur
Adnan Zimić
  • Fonction : Auteur
James France
  • Fonction : Auteur
Willem R.M. Meilink
Tariq Stark
  • Fonction : Auteur
Richard P.J.H. Struijk
  • Fonction : Auteur
Anagnostis Theodoropoulos
Manon C. de Visser
Ben Wielstra

Résumé

Many herpetofauna species have been introduced outside of their native range. MtDNA barcoding is regularly used to determine the provenance of such populations. The alpine newt has been introduced across the Netherlands, the United Kingdom and Ireland. However, geographical mtDNA structure across the natural range of the alpine newt is still incompletely understood and certain regions are severely undersampled. We collect mtDNA sequence data of over seven hundred individuals, from both the native and the introduced range. The main new insights from our extended mtDNA phylogeography are that 1) haplotypes from Spain do not form a reciprocally monophyletic clade, but are nested inside the mtDNA clade that covers western and eastern Europe; and 2) haplotypes from the northwest Balkans form a monophyletic clade together with those from the Southern Carpathians and Apuseni Mountains. We also home in on the regions where the distinct mtDNA clades meet in nature. We show that four out of the seven distinct mtDNA clades that comprise the alpine newt are implicated in the introductions in the Netherlands, United Kingdom and Ireland. In several introduced localities, two distinct mtDNA clades co-occur. As these mtDNA clades presumably represent cryptic species, we urge that the extent of genetic admixture between them is assessed from genome-wide nuclear DNA markers. We mobilized a large number of citizen scientists in this project to support the collection of DNA samples by skin swabbing and underscore the effectiveness of this sampling technique for mtDNA barcoding.

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hal-04548431 , version 1 (16-04-2024)

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Jody Robbemont, Sam van Veldhuijzen, Steven J.R. Allain, Johanna Ambu, Ryan Boyle, et al.. An extended mtDNA phylogeography for the alpine newt illuminates the provenance of introduced populations. Amphibia-Reptilia, 2023, 44 (3), pp.347-361. ⟨10.1163/15685381-bja10144⟩. ⟨hal-04548431⟩
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