A genomic footprint of a moving hybrid zone in marbled newts
(2021) In Journal of Zoological Systematics and Evolutionary Research 59. p.459-465- Abstract
We developed a panel of 44 nuclear genetic markers and applied this to two hybridizing species of marbled newts in the north (Triturus marmoratus) and the south (Triturus pygmaeus) of the Iberian Peninsula, to investigate pattern and process of interspecific gene flow. The northernmost occurrence of T. pygmaeus genetic material was in a T. marmoratus population north of the Vouga river estuary. This suggested the past presence of a hybrid zone, possibly coinciding with a natural river outlet at ca. 1200 A.D. Since 1808, the species contact may have moved back south to a by then completed, man-made Vouga channel. We also found evidence for a T. marmoratus genomic footprint in T. pygmaeus from the Serra de Sintra, near Lisbon. In... (More)
We developed a panel of 44 nuclear genetic markers and applied this to two hybridizing species of marbled newts in the north (Triturus marmoratus) and the south (Triturus pygmaeus) of the Iberian Peninsula, to investigate pattern and process of interspecific gene flow. The northernmost occurrence of T. pygmaeus genetic material was in a T. marmoratus population north of the Vouga river estuary. This suggested the past presence of a hybrid zone, possibly coinciding with a natural river outlet at ca. 1200 A.D. Since 1808, the species contact may have moved back south to a by then completed, man-made Vouga channel. We also found evidence for a T. marmoratus genomic footprint in T. pygmaeus from the Serra de Sintra, near Lisbon. In combination with a previously reported southern, relic occurrence of T. marmoratus in between both areas, the data point to the superseding with hybridization of T. marmoratus by T. pygmaeus. We estimate that the species hybrid zone has moved along the Atlantic coast over a distance of ca. 215 km.
(Less)
- author
- Arntzen, Jan W. ; López-Delgado, Julia ; van Riemsdijk, Isolde LU and Wielstra, Ben
- publishing date
- 2021-02
- type
- Contribution to journal
- publication status
- published
- keywords
- Amphibia, enclave, hybridization, Iberian Peninsula, introgression, Ion Torrent, species replacement, Triturus marmoratus, Triturus pygmaeus
- in
- Journal of Zoological Systematics and Evolutionary Research
- volume
- 59
- pages
- 7 pages
- publisher
- Wiley-Blackwell
- external identifiers
-
- scopus:85097089522
- ISSN
- 0947-5745
- DOI
- 10.1111/jzs.12439
- language
- English
- LU publication?
- no
- additional info
- Publisher Copyright: © 2020 Wiley-VCH GmbH
- id
- 3aa41fce-1725-4501-8c5c-effde622aba1
- date added to LUP
- 2024-08-15 10:22:12
- date last changed
- 2024-08-21 13:55:28
@article{3aa41fce-1725-4501-8c5c-effde622aba1,
abstract = {{<p>We developed a panel of 44 nuclear genetic markers and applied this to two hybridizing species of marbled newts in the north (Triturus marmoratus) and the south (Triturus pygmaeus) of the Iberian Peninsula, to investigate pattern and process of interspecific gene flow. The northernmost occurrence of T. pygmaeus genetic material was in a T. marmoratus population north of the Vouga river estuary. This suggested the past presence of a hybrid zone, possibly coinciding with a natural river outlet at ca. 1200 A.D. Since 1808, the species contact may have moved back south to a by then completed, man-made Vouga channel. We also found evidence for a T. marmoratus genomic footprint in T. pygmaeus from the Serra de Sintra, near Lisbon. In combination with a previously reported southern, relic occurrence of T. marmoratus in between both areas, the data point to the superseding with hybridization of T. marmoratus by T. pygmaeus. We estimate that the species hybrid zone has moved along the Atlantic coast over a distance of ca. 215 km.</p>}},
author = {{Arntzen, Jan W. and López-Delgado, Julia and van Riemsdijk, Isolde and Wielstra, Ben}},
issn = {{0947-5745}},
keywords = {{Amphibia; enclave; hybridization; Iberian Peninsula; introgression; Ion Torrent; species replacement; Triturus marmoratus; Triturus pygmaeus}},
language = {{eng}},
pages = {{459--465}},
publisher = {{Wiley-Blackwell}},
series = {{Journal of Zoological Systematics and Evolutionary Research}},
title = {{A genomic footprint of a moving hybrid zone in marbled newts}},
url = {{http://dx.doi.org/10.1111/jzs.12439}},
doi = {{10.1111/jzs.12439}},
volume = {{59}},
year = {{2021}},
}