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Dufresnes C, Monod-Broca B, Bellati A, Canestrelli D, Ambu J, Wielstra B, Dubey S, Crochet PA, Denoël M, Jablonski D. Piecing the barcoding puzzle of Palearctic water frogs (Pelophylax) sheds light on amphibian biogeography and global invasions. GLOBAL CHANGE BIOLOGY 2024; 30:e17180. [PMID: 38465701 DOI: 10.1111/gcb.17180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 01/04/2024] [Accepted: 01/11/2024] [Indexed: 03/12/2024]
Abstract
Palearctic water frogs (genus Pelophylax) are an outstanding model in ecology and evolution, being widespread, speciose, either threatened or threatening to other species through biological invasions, and capable of siring hybrid offspring that escape the rules of sexual reproduction. Despite half a century of genetic research and hundreds of publications, the diversity, systematics and biogeography of Pelophylax still remain highly confusing, in no small part due to a lack of correspondence between studies. To provide a comprehensive overview, we gathered >13,000 sequences of barcoding genes from >1700 native and introduced localities and built multigene mitochondrial (~17 kb) and nuclear (~10 kb) phylogenies. We mapped all currently recognized taxa and their phylogeographic lineages (>40) to get a grasp on taxonomic issues, cyto-nuclear discordances, the genetic makeup of hybridogenetic hybrids, and the origins of introduced populations. Competing hypotheses for the molecular calibration were evaluated through plausibility tests, implementing a new approach relying on predictions from the anuran speciation continuum. Based on our timetree, we propose a new biogeographic paradigm for the Palearctic since the Paleogene, notably by attributing a prominent role to the dynamics of the Paratethys, a vast paleo-sea that extended over most of Europe. Furthermore, our results show that distinct marsh frog lineages from Eastern Europe, the Balkans, the Near East, and Central Asia (P. ridibundus ssp.) are naturally capable of inducing hybridogenesis with pool frogs (P. lessonae). We identified 14 alien lineages (mostly of P. ridibundus) over ~20 areas of invasions, especially in Western Europe, with genetic signatures disproportionally pointing to the Balkans and Anatolia as the regions of origins, in line with exporting records of the frog leg industry and the stocks of pet sellers. Pelophylax thus emerges as one of the most invasive amphibians worldwide, and deserves much higher conservation concern than currently given by the authorities fighting biological invasions.
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Affiliation(s)
- Christophe Dufresnes
- Laboratory of Amphibian Systematics and Evolutionary Research (LASER), College of Biology and the Environment, Nanjing Forestry University, Nanjing, People's Republic of China
- Institut de Systématique, Evolution, Biodiversité (ISYEB), Muséum national d'Histoire naturelle, CNRS, Sorbonne Université, EPHE, Université des Antilles, Paris, France
| | - Benjamin Monod-Broca
- Université Claude Bernard Lyon 1, CNRS, ENTPE, UMR 5023 LEHNA, Villeurbanne, France
| | - Adriana Bellati
- Department of Ecological and Biological Sciences, University of Tuscia, Viterbo, Italy
| | - Daniele Canestrelli
- Department of Ecological and Biological Sciences, University of Tuscia, Viterbo, Italy
| | - Johanna Ambu
- Laboratory of Amphibian Systematics and Evolutionary Research (LASER), College of Biology and the Environment, Nanjing Forestry University, Nanjing, People's Republic of China
| | - Ben Wielstra
- Institute of Biology Leiden, Leiden University, Leiden, The Netherlands
- Naturalis Biodiversity Center, Leiden, The Netherlands
| | - Sylvain Dubey
- Department of Ecology and Evolution, University of Lausanne, Lausanne, Switzerland
| | | | - Mathieu Denoël
- Laboratory of Ecology and Conservation of Amphibians (LECA), FOCUS, University of Liège, Liège, Belgium
| | - Daniel Jablonski
- Department of Zoology, Comenius University in Bratislava, Bratislava, Slovakia
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Dufresnes C, Litvinchuk SN. Diversity, distribution and molecular species delimitation in frogs and toads from the Eastern Palaearctic. Zool J Linn Soc 2021. [DOI: 10.1093/zoolinnean/zlab083] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Abstract
Biodiversity analyses can greatly benefit from coherent species delimitation schemes and up-to-date distribution data. In this article, we have made the daring attempt to delimit and map described and undescribed lineages of anuran amphibians in the Eastern Palaearctic (EP) region in its broad sense. Through a literature review, we have evaluated the species status considering reproductive isolation and genetic divergence, combined with an extensive occurrence dataset (nearly 85k localities). Altogether 274 native species from 46 genera and ten families were retrieved, plus eight additional species introduced from other realms. Independent hotspots of species richness were concentrated in southern Tibet (Medog County), the circum-Sichuan Basin region, Taiwan, the Korean Peninsula and the main Japanese islands. Phylogeographic breaks responsible for recent in situ speciation events were shared around the Sichuan Mountains, across Honshu and between the Ryukyu Island groups, but not across shallow water bodies like the Yellow Sea and the Taiwan Strait. Anuran compositions suggested to restrict the zoogeographical limits of the EP to East Asia. In a rapidly evolving field, our study provides a checkpoint to appreciate patterns of species diversity in the EP under a single, spatially explicit, species delimitation framework that integrates phylogeographic data in taxonomic research.
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Affiliation(s)
- Christophe Dufresnes
- LASER, College of Biology & Environment, Nanjing Forestry University, Nanjing, China
| | - Spartak N Litvinchuk
- Institute of Cytology, Russian Academy of Sciences, St. Petersburg, Russia
- Department of Biology, Dagestan State University, Makhachkala, Russia
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Svinin A, Dedukh DV, Borkin LJ, Ermakov O, Ivanov A, Litvinchuk J, Zamaletdinov R, Mikhaylova R, Trubyanov AB, Skorinov D, Rosanov Y, Litvinchuk S. Genetic structure, morphological variation, and gametogenic peculiarities in water frogs (
Pelophylax
) from northeastern European Russia. J ZOOL SYST EVOL RES 2021. [DOI: 10.1111/jzs.12447] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Anton Svinin
- Mari State University Yoshkar‐Ola Russia
- National Research Tomsk State University Tomsk Russia
| | | | - Leo J. Borkin
- Zoological Institute Russian Academy of Sciences Saint‐Petersburg Russia
| | | | | | | | | | | | | | - Dmitriy Skorinov
- Institute of Cytology Russian Academy of Sciences Saint‐Petersburg Russia
| | - Yurij Rosanov
- Institute of Cytology Russian Academy of Sciences Saint‐Petersburg Russia
| | - Spartak Litvinchuk
- Institute of Cytology Russian Academy of Sciences Saint‐Petersburg Russia
- Dagestan State University Makhachkala Russia
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