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Vujić A, Kočiš Tubić N, Radenković S, Ačanski J, Likov L, Arok M, Gorše I, Djan M. The Extraordinary Diversity of Merodon avidus Complex (Diptera: Syrphidae)-Adding New Areas, New Species and a New Molecular Marker. INSECTS 2024; 15:105. [PMID: 38392524 PMCID: PMC10888622 DOI: 10.3390/insects15020105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 01/26/2024] [Accepted: 01/28/2024] [Indexed: 02/24/2024]
Abstract
In this paper, the Merodon avidus (Diptera, Syrphidae) species complex was revised, whereupon we discovered and described four new species for science: Merodon atroavidus Vujić, Radenković et Likov sp. nov., M. magnus Vujić, Kočiš Tubić et Ačanski sp. nov., M. nigroscutum Vujić, Radenković et Likov sp. nov. and M. pseudomoenium Vujić, Kočiš Tubić et Ačanski sp. nov. An integrative taxonomy approach was used to delimit species boundaries. Two molecular markers (the mitochondrial COI gene and nuclear 28S rRNA gene-newly analysed marker for the complex) and geometric morphometry of the wing shape, together with morphological data and distribution, successfully separated all species from the complex. The morphological variability of the analysed species is described and discussed and an illustrated diagnostic key for typical morpho-forms of species from the M. avidus complex is presented. A distribution map of all investigated species from the complex is provided. The level of endemicity of the M. avidus complex was discussed.
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Affiliation(s)
- Ante Vujić
- Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovića 2, 21000 Novi Sad, Serbia
| | - Nataša Kočiš Tubić
- Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovića 2, 21000 Novi Sad, Serbia
| | - Snežana Radenković
- Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovića 2, 21000 Novi Sad, Serbia
| | - Jelena Ačanski
- BioSense Institute, University of Novi Sad, Dr Zorana Ðinđića 1, 21000 Novi Sad, Serbia
| | - Laura Likov
- Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovića 2, 21000 Novi Sad, Serbia
| | - Maja Arok
- BioSense Institute, University of Novi Sad, Dr Zorana Ðinđića 1, 21000 Novi Sad, Serbia
| | - Iva Gorše
- Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovića 2, 21000 Novi Sad, Serbia
| | - Mihajla Djan
- Department of Biology and Ecology, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovića 2, 21000 Novi Sad, Serbia
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Wong ELY, Filatov DA. Pericentromeric recombination suppression and the 'large X effect' in plants. Sci Rep 2023; 13:21682. [PMID: 38066067 PMCID: PMC10709461 DOI: 10.1038/s41598-023-48870-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 11/29/2023] [Indexed: 12/18/2023] Open
Abstract
X chromosome was reported to be a major contributor to isolation between closely related species-the 'large X' effect (LXE). The causes of LXE are not clear, but the leading theory is that it is caused by recessive species incompatibilities exposed in the phenotype due to the hemizygosity of X-linked genes in the heterogametic sex. However, the LXE was also reported in species with relatively recently evolved sex chromosomes where Y chromosome is not completely degenerate and X-linked genes are not hemizygous, such as the plant Silene latifolia. Recent genome sequencing and detailed genetic mapping in this species revealed a massive (> 330 Mb) non- or rarely-recombining pericentromeric region on the X chromosome (Xpr) that comprises ~ 90% of the chromosome and over 13% of the entire genome. If any of the Xpr genes are involved in species incompatibilities, this would oppose interspecific gene flow for other genes tightly linked in the Xpr. Here we test the hypothesis that the previously reported LXE in S. latifolia is caused by the lack of recombination on most of the X chromosome. Based on genome-wide analysis of DNA polymorphism and gene expression in S. latifolia and its close cross-compatible relative S. dioica, we report that the rarely-recombining regions represent a significant barrier for interspecific gene flow. We found little evidence for any additional factors contributing to the LXE, suggesting that extensive pericentromeric recombination suppression on the X-chromosome is the major if not the only cause of the LXE in S. latifolia and S. dioica.
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Affiliation(s)
- Edgar L Y Wong
- Department of Biology, University of Oxford, Oxford, UK
- Senckenberg Biodiversity and Climate Research Centre, Frankfurt am Main, Germany
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Porretta D, Canestrelli D. The ecological importance of hybridization. Trends Ecol Evol 2023; 38:1097-1108. [PMID: 37620217 DOI: 10.1016/j.tree.2023.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 07/16/2023] [Accepted: 07/20/2023] [Indexed: 08/26/2023]
Abstract
Hybridization as an evolutionary process has been studied in depth over the past few decades. Research has focused on its role in shaping reproductive barriers, its adaptive value, and its genomic consequences. In contrast, our knowledge of ecological dimensions of hybridization is still in its infancy, despite hybridization being an inherently ecological interaction. Using examples from various organisms, we show that hybridization can affect and be affected by non-reproductive interactions, including predation, competition, parasitism, mutualism, commensalism, and organism-environment interactions, with significant implications for community structure and ecosystem functioning. However, since these dimensions of hybridization have mostly been revealed from studies designed to decipher other evolutionary processes, we argue that much of the eco-evolutionary importance of hybridization is yet to be discovered.
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Affiliation(s)
- Daniele Porretta
- Department of Environmental Biology, Sapienza University of Rome, Italy.
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Du Y, Zhang Y, Lou Z, Wang T. Unrecognized diversity, genetic structuring, and phylogeography of the genus Triplophysa (Cypriniformes: Nemacheilidae) sheds light on two opposite colonization routes during Quaternary glaciation that occurred in the Qilian Mountains. Ecol Evol 2023; 13:e10003. [PMID: 37091569 PMCID: PMC10116023 DOI: 10.1002/ece3.10003] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 03/21/2023] [Accepted: 03/30/2023] [Indexed: 04/25/2023] Open
Abstract
In recent years, the influence of historical geological and climatic events on the evolution of flora and fauna in the Tibetan Plateau has been a hot research topic. The Qilian Mountain region is one of the most important sources of biodiversity on the Qinghai-Tibet Plateau. Many species existed in the region during the Pleistocene glacial oscillation, and the complex geographical environment provided suitable conditions for the survival of local species. The shrinkage, expansion, and transfer of the distribution range and population size of species have significant effects on genetic diversity and intraspecific differentiation. To reveal the effects of geological uplift and climate oscillation on the evolution of fish populations in the Qilian Mountains, we investigated the genetic structure, phylogenetic relationship, and phylogeographical characteristics of genus Triplophysa species in the Qilian Mountains using the mitochondrial DNA gene (COI), three nuclear genes (RAG1, sRH, and Myh6) and 11 pairs of nuclear microsatellite markers. We collected 11 species of genus Triplophysa living in the Qilian Mountains, among which Triplophysa hsutschouensis and Triplophysa papillosolabiata are widely distributed in the rivers on the northern slope of the Qilian Mountains. There was a high degree of lineage differentiation among species, and the genetic diversity of endemic species was low. The different geographical groups of T. papillosolabiata presented some allogeneic adaptation and differentiation, which was closely related to the changes in the river system. Except for the population expansion event of T. hsutschouensis during the last glacial period of the Qinghai-Tibet Plateau (0.025 MYA), the population sizes of other plateau loach species remained stable without significant population expansion. Starting from the east and west sides of the Qilian Mountains, T. hsutschouensis, and T. papillosolabiata showed two species colonization routes in opposite directions. The geological events of the uplift of the Qinghai-Tibet Plateau and the climatic oscillation of the Quaternary glaciation had a great influence on the genetic structure of the plateau loach in the Qilian Mountains, which promoted the genetic differentiation of the plateau loach and formed some unique new species. The results of this study have important guiding significance for fish habitat protection in the Qilian Mountains.
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Affiliation(s)
- Yan‐yan Du
- Gansu Key Laboratory of Cold Water Fishes Germplasm Resources and Genetics BreedingGansu Fisheries Research InstituteLanzhouChina
| | - Yan‐ping Zhang
- Gansu Key Laboratory of Cold Water Fishes Germplasm Resources and Genetics BreedingGansu Fisheries Research InstituteLanzhouChina
| | - Zhong‐yu Lou
- Gansu Key Laboratory of Cold Water Fishes Germplasm Resources and Genetics BreedingGansu Fisheries Research InstituteLanzhouChina
| | - Tai Wang
- Gansu Key Laboratory of Cold Water Fishes Germplasm Resources and Genetics BreedingGansu Fisheries Research InstituteLanzhouChina
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Li X, Ruhsam M, Wang Y, Zhang HY, Fan XY, Zhang L, Wang J, Mao KS. Wind-dispersed seeds blur phylogeographic breaks: The complex evolutionary history of Populus lasiocarpa around the Sichuan Basin. PLANT DIVERSITY 2023; 45:156-168. [PMID: 37069930 PMCID: PMC10105135 DOI: 10.1016/j.pld.2022.10.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 10/10/2022] [Accepted: 10/13/2022] [Indexed: 06/19/2023]
Abstract
The strength of phylogeographic breaks can vary among species in the same area despite being subject to the same geological and climate history due to differences in biological traits. Several important phylogeographic breaks exist around the Sichuan Basin in Southwest China but few studies have focused on wind-dispersed plants. Here, we investigated the phylogeographic patterns and the evolutionary history of Populus lasiocarpa, a wind-pollinated and wind-dispersed tree species with a circum-Sichuan Basin distribution in southwest China. We sequenced and analyzed three plastid DNA fragments (ptDNA) and eight nuclear microsatellites (nSSRs) of 265 individuals of P. lasiocarpa from 21 populations spanning the entire distribution range. Distribution patterns based on nSSR data revealed that there are three genetic groups in P. lasiocarpa. This is consistent with the three phylogeographic breaks (Sichuan Basin, the Kaiyong Line and the 105°E line), where the Sichuan basin acts as the main barrier to gene flow between western and eastern groups. However, the distribution pattern based on ptDNA haplotypes poorly matched the phylogeographic breaks, and wind-dispersed seeds may be one of the main contributing factors. Species distribution modelling suggested a larger potential distribution in the last glacial maximum with a severe bottleneck during the last interglacial. A DIYABC model also suggested a population contraction and expansion for both western and eastern lineages. These results indicate that biological traits are likely to affect the evolutionary history of plants, and that nuclear molecular markers, which experience higher levels of gene flow, might be better indicators of phylogeographic breaks.
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Affiliation(s)
- Xue Li
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610065, Sichuan, PR China
| | - Markus Ruhsam
- Royal Botanic Garden Edinburgh, 20A Inverleith Row, Edinburgh EH3 5LR, UK
| | - Yi Wang
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610065, Sichuan, PR China
| | - Hong-Ying Zhang
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610065, Sichuan, PR China
| | - Xiao-Yan Fan
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610065, Sichuan, PR China
| | - Lei Zhang
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610065, Sichuan, PR China
| | - Jing Wang
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610065, Sichuan, PR China
| | - Kang-Shan Mao
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610065, Sichuan, PR China
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Lucati F, Miró A, Bosch J, Caner J, Jowers MJ, Rivera X, Donaire-Barroso D, Rebelo R, Ventura M. New insights on patterns of genetic admixture and phylogeographic history in Iberian high mountain populations of midwife toads. PLoS One 2022; 17:e0277298. [PMID: 36454960 PMCID: PMC9714896 DOI: 10.1371/journal.pone.0277298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 10/24/2022] [Indexed: 12/05/2022] Open
Abstract
Multiple Quaternary glacial refugia in the Iberian Peninsula, commonly known as "refugia within refugia", allowed diverging populations to come into contact and admix, potentially boosting substantial mito-nuclear discordances. In this study, we employ a comprehensive set of mitochondrial and nuclear markers to shed light onto the drivers of geographical differentiation in Iberian high mountain populations of the midwife toads Alytes obstetricans and A. almogavarii from the Pyrenees, Picos de Europa and Guadarrama Mountains. In the three analysed mountain regions, we detected evidence of extensive mito-nuclear discordances and/or admixture between taxa. Clustering analyses identified three major divergent lineages in the Pyrenees (corresponding to the eastern, central and central-western Pyrenees), which possibly recurrently expanded and admixed during the succession of glacial-interglacial periods that characterised the Late Pleistocene, and that currently follow a ring-shaped diversification pattern. On the other hand, populations from the Picos de Europa mountains (NW Iberian Peninsula) showed a mitochondrial affinity to central-western Pyrenean populations and a nuclear affinity to populations from the central Iberian Peninsula, suggesting a likely admixed origin for Picos de Europa populations. Finally, populations from the Guadarrama Mountain Range (central Iberian Peninsula) were depleted of genetic diversity, possibly as a consequence of a recent epidemic of chytridiomycosis. This work highlights the complex evolutionary history that shaped the current genetic composition of high mountain populations, and underscores the importance of using a multilocus approach to better infer the dynamics of population divergence.
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Affiliation(s)
- Federica Lucati
- Centre for Ecology, Evolution and Environmental Changes (cE3c) & Global Change and Sustainability Institute (CHANGE), Faculty of Sciences, University of Lisbon, Lisbon, Portugal
- Centre for Advanced Studies of Blanes (CEAB-CSIC), Blanes, Catalonia, Spain
- Sociodemography Research Group (DemoSoc), University Pompeu Fabra (UPF), Barcelona, Spain
| | - Alexandre Miró
- Centre for Advanced Studies of Blanes (CEAB-CSIC), Blanes, Catalonia, Spain
| | - Jaime Bosch
- IMIB-Research Unit of Biodiversity (CSIC/UO/PA), Universidad de Oviedo, Mieres, Spain
- Centro de Investigación, Seguimiento y Evaluación, Parque Nacional Sierra de Guadarrama, Rascafría, Spain
| | - Jenny Caner
- Centre for Advanced Studies of Blanes (CEAB-CSIC), Blanes, Catalonia, Spain
| | - Michael Joseph Jowers
- Departamento de Zoología, Facultad de Ciencias, Universidad de Granada, Granada, Spain
- National Institute of Ecology (NIE), Maseo-myeon, Seocheon-gun, Republic of Korea
| | - Xavier Rivera
- Catalan Society of Herpetology, Museu Blau, Barcelona, Catalonia, Spain
| | | | - Rui Rebelo
- Centre for Ecology, Evolution and Environmental Changes (cE3c) & Global Change and Sustainability Institute (CHANGE), Faculty of Sciences, University of Lisbon, Lisbon, Portugal
| | - Marc Ventura
- Centre for Advanced Studies of Blanes (CEAB-CSIC), Blanes, Catalonia, Spain
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Kuijt M, Oskam L, den Boer I, Dufresnes C, France J, Gilbert MJ, de Visser MC, Struijk RP, Wielstra B. The introduction of three cryptic tree frog species in the Dutch coastal dunes challenges conservation paradigms. AMPHIBIA-REPTILIA 2022. [DOI: 10.1163/15685381-bja10102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
Abstract
Invasive species are considered one of the main drivers of the sixth mass extinction. Conservation solutions depend on whether a species is also indigenous to the country it invades (i.e., beyond its native range). In the case of invasive cryptic species, genetic tools are required to establish their identity. We illustrate these issues with the human-mediated colonization of the Dutch coastal dunes by Hyla tree frogs. Although previously assumed to concern the indigenous common tree frog H. arborea, European tree frogs comprise a complex of allopatric cryptic species, meaning the taxonomic identity of introduced Dutch populations warrants investigation. We sequence mtDNA for 173 individuals from native and introduced populations across the Netherlands and compare our dataset with hundreds of Hyla haplotypes previously barcoded in the Western Palearctic. Two of the dune populations carry an mtDNA haplotype of the native species H. arborea that occurs naturally elsewhere in the Netherlands. In contrast, mtDNA assigned to the eastern tree frog H. orientalis was detected in all three other dune populations. In one of these populations mtDNA of the Italian tree frog H. intermedia was also found. Not one, but three species of tree frogs have thus been introduced to the Dutch coastal dunes, only one of them being native to the Netherlands. This situation causes a conservation conundrum as some introduced populations are lawfully protected but could pose a threat to local biodiversity. Regarding the ‘true’ exotic tree frog species, all conservation options should be considered.
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Affiliation(s)
- Marit Kuijt
- Naturalis Biodiversity Center, P.O. Box 9517, 2300 RA Leiden, The Netherlands
- Institute of Biology Leiden, Leiden University, P.O. Box 9505, 2300 RA Leiden, The Netherlands
| | - Liam Oskam
- Naturalis Biodiversity Center, P.O. Box 9517, 2300 RA Leiden, The Netherlands
- Institute of Biology Leiden, Leiden University, P.O. Box 9505, 2300 RA Leiden, The Netherlands
| | | | - Christophe Dufresnes
- LASER, College of Biology and Environment, Nanjing Forestry University, Nanjing 210037, China
| | - James France
- Naturalis Biodiversity Center, P.O. Box 9517, 2300 RA Leiden, The Netherlands
- Institute of Biology Leiden, Leiden University, P.O. Box 9505, 2300 RA Leiden, The Netherlands
| | - Maarten J. Gilbert
- Reptile, Amphibian and Fish Conservation Netherlands (RAVON), P.O. Box 1413, 6501 BK Nijmegen, The Netherlands
- Department Biomolecular Health Sciences – Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, P.O. Box 80.165, 3508 TD Utrecht, The Netherlands
| | - Manon C. de Visser
- Naturalis Biodiversity Center, P.O. Box 9517, 2300 RA Leiden, The Netherlands
- Institute of Biology Leiden, Leiden University, P.O. Box 9505, 2300 RA Leiden, The Netherlands
| | - Richard P.J.H. Struijk
- Reptile, Amphibian and Fish Conservation Netherlands (RAVON), P.O. Box 1413, 6501 BK Nijmegen, The Netherlands
| | - Ben Wielstra
- Naturalis Biodiversity Center, P.O. Box 9517, 2300 RA Leiden, The Netherlands
- Institute of Biology Leiden, Leiden University, P.O. Box 9505, 2300 RA Leiden, The Netherlands
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Car C, Gilles A, Armant O, Burraco P, Beaugelin‐Seiller K, Gashchak S, Camilleri V, Cavalié I, Laloi P, Adam‐Guillermin C, Orizaola G, Bonzom J. Unusual evolution of tree frog populations in the Chernobyl exclusion zone. Evol Appl 2022; 15:203-219. [PMID: 35233243 PMCID: PMC8867709 DOI: 10.1111/eva.13282] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 06/25/2021] [Accepted: 06/29/2021] [Indexed: 12/03/2022] Open
Abstract
Despite the ubiquity of pollutants in the environment, their long‐term ecological consequences are not always clear and still poorly studied. This is the case concerning the radioactive contamination of the environment following the major nuclear accident at the Chernobyl nuclear power plant. Notwithstanding the implications of evolutionary processes on the population status, few studies concern the evolution of organisms chronically exposed to ionizing radiation in the Chernobyl exclusion zone. Here, we examined genetic markers for 19 populations of Eastern tree frog (Hyla orientalis) sampled in the Chernobyl region about thirty years after the nuclear power plant accident to investigate microevolutionary processes ongoing in local populations. Genetic diversity estimated from nuclear and mitochondrial markers showed an absence of genetic erosion and higher mitochondrial diversity in tree frogs from the Chernobyl exclusion zone compared to other European populations. Moreover, the study of haplotype network permitted us to decipher the presence of an independent recent evolutionary history of Chernobyl exclusion zone's Eastern tree frogs caused by an elevated mutation rate compared to other European populations. By fitting to our data a model of haplotype network evolution, we suspected that Eastern tree frog populations in the Chernobyl exclusion zone have a high mitochondrial mutation rate and small effective population sizes. These data suggest that Eastern tree frog populations might offset the impact of deleterious mutations because of their large clutch size, but also question the long‐term impact of ionizing radiation on the status of other species living in the Chernobyl exclusion zone.
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Affiliation(s)
- Clément Car
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN) PSE‐ENV/SRTE/LECO Cadarache France
| | - André Gilles
- UMR RECOVER INRAE Aix‐Marseille Université, Centre Saint‐Charles Marseille France
| | - Olivier Armant
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN) PSE‐ENV/SRTE/LECO Cadarache France
| | - Pablo Burraco
- Animal Ecology Department of Ecology and Genetics Evolutionary Biology Centre Uppsala University Uppsala Sweden
- Institute of Biodiversity, Animal Health and Comparative Medicine College of Medical, Veterinary and Life Sciences University of Glasgow Glasgow UK
| | | | - Sergey Gashchak
- Chornobyl Center for Nuclear Safety Radioactive Waste and Radioecology Slavutych Ukraine
| | - Virginie Camilleri
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN) PSE‐ENV/SRTE/LECO Cadarache France
| | - Isabelle Cavalié
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN) PSE‐ENV/SRTE/LECO Cadarache France
| | - Patrick Laloi
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN) PSE‐ENV/SRTE/LECO Cadarache France
| | | | - Germán Orizaola
- IMIB‐Biodiversity Research Institute (Univ. Oviedo‐CSIC‐Princip. Asturias)Universidad de Oviedo Mieres‐Asturias Spain
- Department Biology Organisms and Systems Zoology Unit University of Oviedo Oviedo‐Asturias Spain
| | - Jean‐Marc Bonzom
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN) PSE‐ENV/SRTE/LECO Cadarache France
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Majtyka T, Borczyk B, Ogielska M, Stöck M. Morphometry of two cryptic tree frog species at their hybrid zone reveals neither intermediate nor transgressive morphotypes. Ecol Evol 2022; 12:e8527. [PMID: 35127036 PMCID: PMC8794711 DOI: 10.1002/ece3.8527] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 12/17/2021] [Indexed: 11/20/2022] Open
Abstract
Under incomplete reproductive isolation, secondary contact of diverged allopatric lineages may lead to the formation of hybrid zones that allow to study recombinants over several generations as excellent systems of genomic interactions resulting from the evolutionary forces acting on certain genes and phenotypes. Hybrid phenotypes may either exhibit intermediacy or, alternatively, transgressive traits, which exceed the extremes of their parents due to epistasis and segregation of complementary alleles. While transgressive morphotypes have been examined in fish, reptiles, birds, and mammals, studies in amphibians are rare. Here, we associate microsatellite-based genotypes with morphometrics-based morphotypes of two tree frog species of the Hyla arborea group, sampled across a hybrid zone in Poland, to understand whether the genetically differentiated parental species also differ in morphology between each other and their hybrids and whether secondary contact leads to the evolution of intermediate or transgressive morphotypes. Using univariate approaches, explorative multivariate methods (principal component analyses) as well as techniques with prior grouping (discriminant function analyses), we find that morphotypes of both parental species and hybrids differ from each other. Importantly, hybrid morphotypes are neither intermediate nor transgressive but found to be more similar to H. orientalis than to H. arborea.
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Affiliation(s)
- Tomasz Majtyka
- Department of Evolutionary Biology and Conservation of VertebratesUniversity of WrocławWrocławPoland
| | - Bartosz Borczyk
- Department of Evolutionary Biology and Conservation of VertebratesUniversity of WrocławWrocławPoland
| | - Maria Ogielska
- Department of Evolutionary Biology and Conservation of VertebratesUniversity of WrocławWrocławPoland
| | - Matthias Stöck
- Leibniz‐Institute of Freshwater Ecology and Inland Fisheries (IGB)BerlinGermany
- Amphibian Research CenterHiroshima UniversityHigashi‐HiroshimaJapan
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Martínez-Gil H, Martínez-Freiría F, Perera A, Enriquez-Urzelai U, Martínez-Solano Í, Velo-Antón G, Kaliontzopoulou A. Morphological diversification of Mediterranean anurans: the roles of evolutionary history and climate. Biol J Linn Soc Lond 2021. [DOI: 10.1093/biolinnean/blab156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Investigation of the ecological and evolutionary mechanisms governing the origin and diversification of species requires integrative approaches that often have to accommodate strong discordance among datasets. A common source of conflict is the combination of morphological and molecular characters with different evolutionary rates. Resolution of these discordances is crucial to assess the relative roles of different processes in generating and maintaining biodiversity. Anuran amphibians provide many examples of morphologically similar, genetically divergent lineages, posing questions about the relative roles of phylogeny and ecological factors in phenotypic evolution. We focused on three circum-Mediterranean anuran genera (Hyla, Alytes and Discoglossus), characterizing morphological and environmental disparity and comparing diversity patterns across biological levels of organization. Using a comparative phylogenetic framework, we tested how shared ancestry and climatic factors come together to shape phenotypic diversity. We found higher morphological differentiation within Hyla and Alytes than in Discoglossus. Body size and limb morphology contributed most to inter- and intraspecific morphological variation in Hyla and Alytes, but there was no strong phylogenetic signal, indicating that shared ancestry does not predict patterns of phenotypic divergence. In contrast, we uncovered a significant association between morphology and climatic descriptors, supporting the hypothesis that morphological disparity between species results from adaptive evolution.
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Affiliation(s)
- Helena Martínez-Gil
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Campus de Vairão, Universidade do Porto, 4485-661 Vairão, Portugal
- Department of Biodiversity and Evolutionary Biology, Museo Nacional de Ciencias Naturales, CSIC, C/ José Gutiérrez Abascal, 2, 28006 Madrid, Spain
| | - Fernando Martínez-Freiría
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Campus de Vairão, Universidade do Porto, 4485-661 Vairão, Portugal
- BIOPOLIS Program in Genomics, Biodiversity and Land Planning, CIBIO, Campus de Vairão, 4485-661 Vairão, Portugal
| | - Ana Perera
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Campus de Vairão, Universidade do Porto, 4485-661 Vairão, Portugal
| | - Urtzi Enriquez-Urzelai
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Campus de Vairão, Universidade do Porto, 4485-661 Vairão, Portugal
- Czech Academy of Sciences, Institute of Vertebrate Biology, Květná 8, 60365 Brno, Czech Republic
| | - Íñigo Martínez-Solano
- Department of Biodiversity and Evolutionary Biology, Museo Nacional de Ciencias Naturales, CSIC, C/ José Gutiérrez Abascal, 2, 28006 Madrid, Spain
| | - Guillermo Velo-Antón
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Campus de Vairão, Universidade do Porto, 4485-661 Vairão, Portugal
- Universidade de Vigo, Departamento de Ecoloxía e Bioloxía Animal, Grupo de Ecoloxía Animal, Torre Cacti (Lab 97), E-36310, Vigo, Spain
| | - Antigoni Kaliontzopoulou
- CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Campus de Vairão, Universidade do Porto, 4485-661 Vairão, Portugal
- Department of Evolutionary Biology, Ecology and Environmental Sciences, and Biodiversity Research Institute (IRBio), Universitat de Barcelona, E-08028 Barcelona, Catalonia, Spain
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11
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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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12
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Burraco P, Bonzom JM, Car C, Beaugelin-Seiller K, Gashchak S, Orizaola G. Lack of impact of radiation on blood physiology biomarkers of Chernobyl tree frogs. Front Zool 2021; 18:33. [PMID: 34187507 PMCID: PMC8240299 DOI: 10.1186/s12983-021-00416-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 05/30/2021] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Human actions have altered natural ecosystems worldwide. Among the many pollutants released to the environment, ionizing radiation can cause severe damage at different molecular and functional levels. The accident in the Chernobyl Nuclear Power Plant (1986) caused the largest release of ionizing radiation to the environment in human history. Here, we examined the impact of the current exposure to ionizing radiation on blood physiology biomarkers of adult males of the Eastern tree frog (Hyla orientalis) inhabiting within and outside the Chernobyl Exclusion Zone. We measured the levels of eight blood parameters (sodium, potassium, chloride, ionized calcium, total carbon dioxide, glucose, urea nitrogen, and anion gap), physiological markers of homeostasis, as well as of liver and kidney function. RESULTS Levels of blood physiology biomarkers did not vary in function of the current exposure of tree frogs to ionizing radiation within the Chernobyl Exclusion Zone. Physiological blood levels were similar in frogs inhabiting Chernobyl (both in areas with medium-high or low radiation) than in tree frogs living outside Chernobyl exposed only to background radiation levels. CONCLUSIONS The observed lack of effects of current radiation levels on blood biomarkers can be a consequence of the low levels of radiation currently experienced by Chernobyl tree frogs, but also to the fact that our sampling was restricted to active breeding males, i.e. potentially healthy adult individuals. Despite the clear absence of effects of current radiation levels on physiological blood parameters in tree frogs, more research covering different life stages and ecological scenarios is still needed to clarify the impact of ionizing radiation on the physiology, ecology, and dynamics of wildlife inhabiting radioactive-contaminated areas.
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Affiliation(s)
- Pablo Burraco
- Institute of Biodiversity, Animal Health and Comparative Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, G12 8QQ, Glasgow, UK.
- Animal Ecology, Department of Ecology and Genetics, Evolutionary Biology Centre, Uppsala University, 75236, Uppsala, Sweden.
| | - Jean-Marc Bonzom
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, 13115, Saint Paul Lez Durance, France
| | - Clément Car
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, 13115, Saint Paul Lez Durance, France
| | - Karine Beaugelin-Seiller
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-ENV/SRTE/LECO, Cadarache, 13115, Saint Paul Lez Durance, France
| | - Sergey Gashchak
- Chornobyl Center for Nuclear Safety, Radioactive Waste and Radioecology, Slavutych, 07100, Ukraine
| | - Germán Orizaola
- Animal Ecology, Department of Ecology and Genetics, Evolutionary Biology Centre, Uppsala University, 75236, Uppsala, Sweden
- IMIB-Biodiversity Research Institute (Univ. Oviedo-CSIC-Princip. Asturias), University of Oviedo, 33600, Mieres, Asturias, Spain
- Zoology Unit, Department of Biology of Organisms and Systems, University of Oviedo, 33071, Oviedo, Asturias, Spain
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13
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Saberi‐Pirooz R, Rajabi‐Maham H, Ahmadzadeh F, Kiabi BH, Javidkar M, Carretero MA. Pleistocene climate fluctuations as the major driver of genetic diversity and distribution patterns of the Caspian green lizard, Lacerta strigata Eichwald, 1831. Ecol Evol 2021; 11:6927-6940. [PMID: 34141266 PMCID: PMC8207146 DOI: 10.1002/ece3.7543] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 03/16/2021] [Accepted: 03/18/2021] [Indexed: 11/22/2022] Open
Abstract
Green lizards of the genus Lacerta have served as excellent models for studying the impact of Pleistocene climatic oscillations on genetic structures. The Caspian green lizard, Lacerta strigata, occupies various habitats across the Caucasus and the South Caspian Sea, with the Hyrcanian Forests and north of the Alborz Mountains forming the core of the range. This study aimed to re-examine the phylogenetic relationships of L. strigata with other congeneric members and to assess the genetic structure and historical demography of the species. Furthermore, Species Distribution Models (SDMs) were performed to infer the species' potential habitat suitability and were then projected on climate scenarios reflecting current and past (6 ky and 21 ky before present) conditions. A total of 39 individuals collected from most of the distribution range, together with additional lacertid species sequences from the GenBank database, were examined using mtDNA (Cyt b and 12S ribosomal RNA) and nuclear (C-mos and β-fibrinogen) sequence data. Based on the phylogenetic analyses, L. strigata was found to be a sister taxon to all other members of the genus. The species included two main clades (regional western and eastern) that diverged in a period between the Early and Middle Pleistocene. Based on the BBM and S-Diva analyses, both dispersal and vicariance events explained the phylogeographic structure of the species in the Hyrcanian Forests. The historical demographic analyses using Bayesian skyline plots showed a mild increase in the effective population size from about 120 Kya for the western regional clade. According to phylogeographic structures and SDMs evidence, as in other species within the region, it appears that the south of the Caspian Sea (Hyrcanian Forests), and the Alborz Mountains acted as multiple refugia during cold periods and promoted expansion outwards amid the warm periods. Overall, the results provided evidence that the genetic structure of the species has been influenced by the Pleistocene climatic fluctuations.
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Affiliation(s)
- Reihaneh Saberi‐Pirooz
- Department of Biodiversity and Ecosystem ManagementEnvironmental Sciences Research InstituteShahid Beheshti UniversityTehranIran
| | - Hassan Rajabi‐Maham
- Animal Sciences and Marine BiologyFaculty Life Sciences and BiotechnologyShahid Beheshti UniversityTehranIran
| | - Faraham Ahmadzadeh
- Department of Biodiversity and Ecosystem ManagementEnvironmental Sciences Research InstituteShahid Beheshti UniversityTehranIran
| | - Bahram H. Kiabi
- Animal Sciences and Marine BiologyFaculty Life Sciences and BiotechnologyShahid Beheshti UniversityTehranIran
| | - Mohammad Javidkar
- School of Biological Sciencesthe University of AdelaideAdelaideSAAustralia
| | - Miguel A. Carretero
- CIBIO Research Centre in Biodiversity and Genetic ResourcesInBIOUniversidade do PortoPortoPortugal
- Departamento de BiologiaFaculdade de Ciências da Universidade do PortoPortoPortugal
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14
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Wang Y, Feijó A, Cheng J, Xia L, Wen Z, Ge D, Sun J, Lu L, Li S, Yang Q. Ring distribution patterns-diversification or speciation? Comparative phylogeography of two small mammals in the mountains surrounding the Sichuan Basin. Mol Ecol 2021; 30:2641-2658. [PMID: 33817880 DOI: 10.1111/mec.15913] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 03/15/2021] [Accepted: 03/24/2021] [Indexed: 01/26/2023]
Abstract
Studying the genetic differentiation in a unique geographical area contributes to understanding the process of speciation. Here, we explore the spatial genetic structure and underlying formation mechanism of two congeneric small mammal species (Apodemus draco and A. chevrieri), which are mainly distributed in the mountains surrounding the lowland Sichuan Basin, southwest China. We applied a set of comparative phylogeographical analyses to determine their genetic diversification patterns, combining mitochondrial (Cytb and COI) and nuclear (microsatellite loci) markers, with dense sampling throughout the range (411 A. draco from 21 sites and 191 A. chevrieri from 22 sites). Moreover, we performed three complementary statistical methods to investigate the correlation between genotype and geographical and environmental components, and predicted the potential suitable distributional range under the present and historical climate conditions. Our results suggest that both species have experienced allopatric differentiation and admixture in historical periods, resulting in a ring-shape diversification, under the barrier effect of the Sichuan Basin. We infer that the tectonic events of the Qinghai-Tibetan Plateau and climatic oscillations during the Quaternary played an important role on the genetic divergence of the two species by providing environmental heterogeneity and geographical variation. Our study reveals a case of two sympatric small mammals following a ring-shaped diversification pattern and provides insight into the process of differentiation.
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Affiliation(s)
- Yanqun Wang
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,School of Animal Science, Xichang College, Xichang, Sichuan, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Anderson Feijó
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Jilong Cheng
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Lin Xia
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Zhixin Wen
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Deyan Ge
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Jian Sun
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Liang Lu
- State Key Laboratory for Infectious Disease Prevention and Control, Chinese Centre for Disease Control and Prevention, National Institute for Communicable Disease Control and Prevention, Beijing, China
| | - Song Li
- Chinese Academy of Sciences, Kunming Institute of Zoology, Kunming, Yunnan, China
| | - Qisen Yang
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
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15
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Chiocchio A, Arntzen JW, Martínez-Solano I, de Vries W, Bisconti R, Pezzarossa A, Maiorano L, Canestrelli D. Reconstructing hotspots of genetic diversity from glacial refugia and subsequent dispersal in Italian common toads (Bufo bufo). Sci Rep 2021; 11:260. [PMID: 33420098 PMCID: PMC7794404 DOI: 10.1038/s41598-020-79046-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 12/01/2020] [Indexed: 02/01/2023] Open
Abstract
Genetic diversity feeds the evolutionary process and allows populations to adapt to environmental changes. However, we still lack a thorough understanding of why hotspots of genetic diversity are so 'hot'. Here, we analysed the relative contribution of bioclimatic stability and genetic admixture between divergent lineages in shaping spatial patterns of genetic diversity in the common toad Bufo bufo along the Italian peninsula. We combined population genetic, phylogeographic and species distribution modelling (SDM) approaches to map ancestral areas, glacial refugia, and secondary contact zones. We consistently identified three phylogeographic lineages, distributed in northern, central and southern Italy. These lineages expanded from their ancestral areas and established secondary contact zones, before the last interglacial. SDM identified widespread glacial refugia in peninsular Italy, sometimes located under the present-day sea-level. Generalized linear models indicated genetic admixture as the only significant predictor of the levels of population genetic diversity. Our results show that glacial refugia contributed to preserving both levels and patterns of genetic diversity across glacial-interglacial cycles, but not to their formation, and highlight a general principle emerging in Mediterranean species: higher levels of genetic diversity mark populations with substantial contributions from multiple genetic lineages, irrespective of the location of glacial refugia.
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Affiliation(s)
- Andrea Chiocchio
- Department of Ecological and Biological Science, Tuscia University, Largo dell'Università s.n.c., 01100, Viterbo, Italy.
| | - Jan W Arntzen
- Naturalis Biodiversity Center, P.O. Box 9517, 2300 RA, Leiden, The Netherlands
| | - Iñigo Martínez-Solano
- Department of Biodiversity and Evolutionary Biology, Museo Nacional de Ciencias Naturales, CSIC, c/ José Gutiérrez Abascal 2, 28006, Madrid, Spain
| | - Wouter de Vries
- Asociation Ambor, Ctra. Constantina - Pedroso 1, 41450, Constantina, Spain
| | - Roberta Bisconti
- Department of Ecological and Biological Science, Tuscia University, Largo dell'Università s.n.c., 01100, Viterbo, Italy
| | - Alice Pezzarossa
- Department of Ecological and Biological Science, Tuscia University, Largo dell'Università s.n.c., 01100, Viterbo, Italy
| | - Luigi Maiorano
- Department of Biology and Biotechnology "Charles Darwin", Università di Roma La Sapienza, Viale dell'Università 32, 00185, Rome, Italy
| | - Daniele Canestrelli
- Department of Ecological and Biological Science, Tuscia University, Largo dell'Università s.n.c., 01100, Viterbo, Italy
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16
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Rato C, Stratakis M, Sousa‐Guedes D, Sillero N, Corti C, Freitas S, Harris DJ, Carretero MA. The more you search, the more you find: Cryptic diversity and admixture within the Anatolian rock lizards (Squamata,
Darevskia
). ZOOL SCR 2020. [DOI: 10.1111/zsc.12462] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Catarina Rato
- CIBIO Research Centre in Biodiversity and Genetic Resources InBIO Universidade do Porto Vila do Conde Portugal
| | - Manos Stratakis
- Department of Biology School of Sciences and Engineering University of Crete Greece
- Natural History Museum of Crete School of Sciences and Engineering University of Crete Irakleio Greece
| | - Diana Sousa‐Guedes
- Centro de Investigação em Ciências Geo‐Espaciais (CICGE) Faculdade de Ciências da Universidade do Porto Vila Nova de Gaia Portugal
| | - Neftali Sillero
- Centro de Investigação em Ciências Geo‐Espaciais (CICGE) Faculdade de Ciências da Universidade do Porto Vila Nova de Gaia Portugal
| | - Claudia Corti
- Museo di Storia Naturale dell'Università di Firenze Firenze Italy
| | - Susana Freitas
- Department of Ecology and Evolution University of Lausanne Lausanne Switzerland
| | - D. James Harris
- CIBIO Research Centre in Biodiversity and Genetic Resources InBIO Universidade do Porto Vila do Conde Portugal
- Departamento de Biologia Faculdade de Ciências da Universidade do Porto Porto Portugal
| | - Miguel A. Carretero
- CIBIO Research Centre in Biodiversity and Genetic Resources InBIO Universidade do Porto Vila do Conde Portugal
- Departamento de Biologia Faculdade de Ciências da Universidade do Porto Porto Portugal
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17
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Dufresnes C, Probonas NM, Strachinis I. A reassessment of the diversity of green toads (Bufotes) in the circum-Aegean region. Integr Zool 2020; 16:420-428. [PMID: 32978888 DOI: 10.1111/1749-4877.12494] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The dynamic biogeography of glacial refugia may cause complex patterns of genetic admixture between parapatric taxa, which in turn can mislead their systematics, diversity, and distributions. We investigated this issue for green toads (Bufotes) inhabiting the circum-Aegean region, a biodiversity hotspot of the Eastern Mediterranean. A previous phylogeographic study based on mitochondrial and microsatellite loci identified the hybrid zone between the European (viridis) and Anatolian (sitibundus) lineages of B. viridis all over the Balkan Peninsula, but subsequent range-wide genomic analyses (>1000 SNPs) located this transition in Turkey, a thousand kilometers eastwards. In order to clarify the diversity and taxonomy of the circum-Aegean populations, we reconciled these conflicting findings by integrating previous data with pure sitibundus individuals. Our results confirmed that the viridis/sitibundus hybrid zone extends in Western Anatolia, but that southeastern European populations feature cytonuclear discordances and a high and structured microsatellite diversity. This remarkable situation may stem from a massive geographic displacement of the hybrid zone during the last glacial fluctuations, an underappreciated yet seemingly common feature among the herpetofauna of the region. Our study thus contributes to the rising view that mitochondrial DNA can be a poor predictor of current phylogeographic structure, hence the need for genomic data, especially for narrowly distributed taxa. Finally, the analyses unambiguously support the distinction of a micro-endemic clade of green toads unique to some Cyclades islands, for which we provide a formal taxonomic description.
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Affiliation(s)
- Christophe Dufresnes
- LASER, College of Biology and the Environment, Nanjing Forestry University, Nanjing, People's Republic of China
| | | | - Ilias Strachinis
- Department of Genetics, Development and Molecular Biology, School of Biology, Faculty of Natural Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
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18
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Wielstra B, Arntzen JW. Extensive cytonuclear discordance in a crested newt from the Balkan Peninsula glacial refugium. Biol J Linn Soc Lond 2020. [DOI: 10.1093/biolinnean/blaa062] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
AbstractIntegration of multilocus data and species distribution modelling into phylogeography allows mitochondrial DNA (mtDNA)-based scenarios to be fine-tuned. We address the question of whether extensive mtDNA substructuring in the crested newt Triturus macedonicus from the Balkan Peninsula is matched in the nuclear genome. We determine the intraspecific population structure based on 52 nuclear DNA markers and project a species distribution model on climate layers for the Last Glacial Maximum. We show that T. macedonicus accumulated nuclear DNA population structure in an area predicted to have been climatically stable during the Pleistocene, with four nuclear DNA groups in the western part of the species range. The distribution of these nuclear DNA groups shows little agreement with that of mtDNA structuring, which shows three highly distinct species-specific clades and a fourth one introgressed from another crested newt species. This cytonuclear discordance conveys that historical biogeographical scenarios based on mtDNA exclusively should be interpreted with caution. Our findings further highlight the important role the Balkan Peninsula has played in the evolution and preservation of European biodiversity.
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Affiliation(s)
- Ben Wielstra
- Institute of Biology Leiden, Leiden University, RA, Leiden, The Netherlands
- Naturalis Biodiversity Center, RA Leiden, The Netherlands
| | - Jan W Arntzen
- Naturalis Biodiversity Center, RA Leiden, The Netherlands
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19
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The effect of phylogeographic history on species boundaries: a comparative framework in Hyla tree frogs. Sci Rep 2020; 10:5502. [PMID: 32218506 PMCID: PMC7099067 DOI: 10.1038/s41598-020-62382-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 03/11/2020] [Indexed: 01/13/2023] Open
Abstract
Because it is indicative of reproductive isolation, the amount of genetic introgression across secondary contact zones is increasingly considered in species delimitation. However, patterns of admixture at range margins can be skewed by the regional dynamics of hybrid zones. In this context, we posit an important role for phylogeographic history: hybrid zones located within glacial refugia (putatively formed during the Late-Pleistocene) should be better defined than those located in post-glacial or introduced ranges (putatively formed during the Holocene and the Anthropocene). We test this hypothesis in a speciation continuum of tree frogs from the Western Palearctic (Hyla), featuring ten identified contacts between species spanning Plio-Pleistocene to Miocene divergences. We review the rich phylogeographic literature of this group and examine the overlooked transition between H. arborea and H. molleri in Western France using a multilocus dataset. Our comparative analysis supports a trend that contacts zones resulting from post-glacial expansions and human translocations feature more extensive introgression than those established within refugial areas. Integrating the biogeographic history of incipient species, i.e. their age since first contact together with their genetic divergence, thus appears timely to draw sound evolutionary and taxonomic inferences from patterns of introgression across hybrid zones.
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20
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Dufresnes C, Nicieza AG, Litvinchuk SN, Rodrigues N, Jeffries DL, Vences M, Perrin N, Martínez-Solano Í. Are glacial refugia hotspots of speciation and cytonuclear discordances? Answers from the genomic phylogeography of Spanish common frogs. Mol Ecol 2020; 29:986-1000. [PMID: 32012388 DOI: 10.1111/mec.15368] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2019] [Revised: 01/23/2020] [Accepted: 01/27/2020] [Indexed: 12/16/2022]
Abstract
Subdivided Pleistocene glacial refugia, best known as "refugia within refugia", provided opportunities for diverging populations to evolve into incipient species and/or to hybridize and merge following range shifts tracking the climatic fluctuations, potentially promoting extensive cytonuclear discordances and "ghost" mtDNA lineages. Here, we tested which of these opposing evolutionary outcomes prevails in northern Iberian areas hosting multiple historical refugia of common frogs (Rana cf. temporaria), based on a genomic phylogeography approach (mtDNA barcoding and RAD-sequencing). We found evidence for both incipient speciation events and massive cytonuclear discordances. On the one hand, populations from northwestern Spain (Galicia and Asturias, assigned to the regional endemic R. parvipalmata), are deeply-diverged at mitochondrial and nuclear genomes (~4 My of independent evolution), and barely admix with northeastern populations (assigned to R. temporaria sensu stricto) across a narrow hybrid zone (~25 km) located in the Cantabrian Mountains, suggesting that they represent distinct species. On the other hand, the most divergent mtDNA clade, widespread in Cantabria and the Basque country, shares its nuclear genome with other R. temporaria s. s. lineages. Patterns of population expansions and isolation-by-distance among these populations are consistent with past mitochondrial capture and/or drift in generating and maintaining this ghost mitochondrial lineage. This remarkable case study emphasizes the complex evolutionary history that shaped the present genetic diversity of refugial populations, and stresses the need to revisit their phylogeography by genomic approaches, in order to make informed taxonomic inferences.
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Affiliation(s)
- Christophe Dufresnes
- LASER, College of Biology and the Environment, Nanjing Forestry University, Nanjing, China.,Department of Animal and Plant Sciences, University of Sheffield, Sheffield, UK
| | - Alfredo G Nicieza
- Department of Organisms and Systems Biology, University of Oviedo, Oviedo, Spain.,Research Unit of Biodiversity (UMIB, CSIC-UO-PA), Mieres, Spain
| | - Spartak N Litvinchuk
- Institute of Cytology, Russian Academy of Sciences, Saint Petersburg, Russia.,Dagestan State University, Makhachkala, Russia
| | - Nicolas Rodrigues
- Department of Ecology & Evolution, University of Lausanne, Lausanne, Switzerland
| | - Daniel L Jeffries
- Department of Ecology & Evolution, University of Lausanne, Lausanne, Switzerland
| | - Miguel Vences
- Zoological Institute, Technische Universität Braunschweig, Braunschweig, Germany
| | - Nicolas Perrin
- Department of Ecology & Evolution, University of Lausanne, Lausanne, Switzerland
| | - Íñigo Martínez-Solano
- Departamento de Biodiversidad y Biología Evolutiva, Museo Nacional de Ciencias Naturales (MNCN-CSIC), Madrid, Spain
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21
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Khomenko A, Utevsky S, Utevsky A, Trontelj P. Unrecognized diversity of Trochetaspecies (Hirudinea: Erpobdellidae): resolving a century-old taxonomic problem in Crimean leeches. SYST BIODIVERS 2020. [DOI: 10.1080/14772000.2020.1739776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Andrii Khomenko
- Department of Zoology and Animal Ecology, V. N. Karazin Kharkiv National University, Maidan Svobody 4, Kharkiv, 61022, Ukraine
| | - Serge Utevsky
- Department of Zoology and Animal Ecology, V. N. Karazin Kharkiv National University, Maidan Svobody 4, Kharkiv, 61022, Ukraine
| | - Andriy Utevsky
- Department of Zoology and Animal Ecology, V. N. Karazin Kharkiv National University, Maidan Svobody 4, Kharkiv, 61022, Ukraine
| | - Peter Trontelj
- Department of Biology, University of Ljubljana, PO Box 2995, Ljubljana, SI-1001, Slovenia
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22
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Veith M, Göçmen B, Sotiropoulos K, Eleftherakos K, Lötters S, Godmann O, Karış M, Oğuz A, Ehl S. Phylogeographic analyses point to long-term survival on the spot in micro-endemic Lycian salamanders. PLoS One 2020; 15:e0226326. [PMID: 31929551 PMCID: PMC6957296 DOI: 10.1371/journal.pone.0226326] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Accepted: 11/25/2019] [Indexed: 11/18/2022] Open
Abstract
Lycian salamanders (genus Lyciasalamandra) constitute an exceptional case of micro-endemism of an amphibian species on the Asian Minor mainland. These viviparous salamanders are confined to karstic limestone formations along the southern Anatolian coast and some islands. We here study the genetic differentiation within and among 118 populations of all seven Lyciasalamandra species across the entire genus’ distribution. Based on circa 900 base pairs of fragments of the mitochondrial 16SrDNA and ATPase genes, we analysed the spatial haplotype distribution as well as the genetic structure and demographic history of populations. We used 253 geo-referenced populations and CHELSA climate data to infer species distribution models which we projected on climatic conditions of the Last Glacial Maximum (LGM). Within all but one species, distinct phyloclades were identified, which only in parts matched current taxonomy. Most haplotypes (78%) were private to single populations. Sometimes population genetic parameters showed contradicting results, although in several cases they indicated recent population expansion of phyloclades. Climatic suitability of localities currently inhabited by salamanders was significantly lower during the LGM compared to recent climate. All data indicated a strong degree of isolation among Lyciasalamandra populations, even within phyloclades. Given the sometimes high degree of haplotype differentiation between adjacent populations, they must have survived periods of deteriorated climates during the Quaternary on the spot. However, the alternative explanation of male biased dispersal combined with a pronounced female philopatry can only be excluded if independent nuclear data confirm this result.
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Affiliation(s)
- Michael Veith
- Department of Biogeography, Trier University, Universitätsring, Trier, Germany
- * E-mail:
| | - Bayram Göçmen
- Ege University, Faculty of Science, Department of Biology, Zoology Section, Bornova, İzmir, Turkey
| | | | - Karolos Eleftherakos
- Section of Zoology-Marine Biology, Department of Biology, University of Athens, Athens, Greece
| | - Stefan Lötters
- Department of Biogeography, Trier University, Universitätsring, Trier, Germany
| | | | - Mert Karış
- Ege University, Faculty of Science, Department of Biology, Zoology Section, Bornova, İzmir, Turkey
| | - Anil Oğuz
- Ege University, Faculty of Science, Department of Biology, Zoology Section, Bornova, İzmir, Turkey
| | - Sarah Ehl
- Department of Biogeography, Trier University, Universitätsring, Trier, Germany
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Dufresnes C, Mazepa G, Jablonski D, Oliveira RC, Wenseleers T, Shabanov DA, Auer M, Ernst R, Koch C, Ramírez-Chaves HE, Mulder KP, Simonov E, Tiutenko A, Kryvokhyzha D, Wennekes PL, Zinenko OI, Korshunov OV, Al-Johany AM, Peregontsev EA, Masroor R, Betto-Colliard C, Denoël M, Borkin LJ, Skorinov DV, Pasynkova RA, Mazanaeva LF, Rosanov JM, Dubey S, Litvinchuk S. Fifteen shades of green: The evolution of Bufotes toads revisited. Mol Phylogenet Evol 2019; 141:106615. [DOI: 10.1016/j.ympev.2019.106615] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 08/14/2019] [Accepted: 09/10/2019] [Indexed: 01/01/2023]
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24
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Irwin DE. A tree of tree frogs around the Black Sea. Mol Ecol 2019; 25:4093-6. [PMID: 27616352 DOI: 10.1111/mec.13760] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Accepted: 07/05/2016] [Indexed: 11/30/2022]
Abstract
Speciation, the process by which one species evolves into two or more, is a major focus of ongoing debate, particularly regarding the geographic context in which it occurs. Geographic models of speciation tend to fall into discrete categories, typically referred to as allopatric, parapatric and sympatric speciation, according to whether two groups evolve reproductive isolation while geographically isolated, differentiated but connected by gene flow, or completely co-occurring. Yet molecular studies indicate that full development of reproductive isolation can take very long compared with the timescale at which climatic oscillations occur, such that the geographic context of differentiating forms might change often during the long process to full species. Studies of genetic relationships across the ranges of organisms with low-dispersal distances have the potential to reveal these complex histories. In a particularly elegant example in this issue, Dufresnes et al. () use genetic variation and ecological niche modelling to show that a ring of populations of the eastern tree frog (Hyla orientalis) surrounding the Black Sea had a complex history of geographic differentiation. Alternating phases of geographic fragmentation and phases of gene flow between neighbouring populations have produced a pattern of gradual genetic change connecting the western, southern and eastern sides of the ring, with the northwestern and northeastern forms being most differentiated. In the north, a population in Crimea appears to have been produced through mixture of the two extreme forms. The overall genetic relationships are reminiscent of those found in ring species, which have been used as prime demonstrations of the process of speciation. The difference, however, is that the terminal forms appear to have mixed rather than be reproductively isolated, although more research is needed to infer whether there might be some reproductive isolation on the northern side of the ring.
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Affiliation(s)
- Darren E Irwin
- Department of Zoology and Biodiversity Research Centre, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada
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25
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Bartáková V, Bryja J, Šanda R, Bektas Y, Stefanov T, Choleva L, Smith C, Reichard M. High cryptic diversity of bitterling fish in the southern West Palearctic. Mol Phylogenet Evol 2018; 133:1-11. [PMID: 30586649 DOI: 10.1016/j.ympev.2018.12.025] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Revised: 10/24/2018] [Accepted: 12/20/2018] [Indexed: 11/17/2022]
Abstract
South-east Europe, along with the adjacent region of south-west Asia, is an important biodiversity hotspot with high local endemism largely contributed by contemporary continental lineages that retreated to southern refugia during colder Quaternary periods. We investigated the genetic diversity of the European bitterling fish (Rhodeus amarus) species complex (Cyprinidae) across its range in the western Palearctic, but with a particular emphasis in the region of Balkan, Pontic and Caspian refugia. We genotyped 12 polymorphic microsatellite loci and a partial sequence of mitochondrial gene cytochrome b (CYTB) for a set of 1,038 individuals from 60 populations. We used mtDNA sequences to infer phylogenetic relationships and historical demography, and microsatellite markers to describe fine-scale genetic variability and structure. Our mtDNA analysis revealed six well-supported lineages, with limited local co-occurrence. Two lineages are distributed throughout central and western Europe (lineages "A" and "B"), with two zones of secondary contact. Another two lineages were restricted to the Ponto-Aegean region of Greece (lineages "C" and "D") and the final two lineages were restricted south of the Caucasus mountains (lineage "E" from the Black Sea watershed and lineage "F" from the Caspian watershed). A signal of recent expansion was revealed in the two widespread lineages and the Ponto-Aegean lineage "C". The geographic distribution of clusters detected by nuclear microsatellites corresponded well with mitochondrial lineages and demonstrated finely sub-structured populations. A profound population structure suggested a significant role of genetic drift in differentiation among lineages. Lineage divergence in the Ponto-Aegean and Caspian regions are substantial, supporting the validity of two described endemic species (Rhodeus meridionalis as lineage "D" and Rhodeus colchicus as lineage "E") and invite taxonomic evaluation of the other two southern lineages (Thracean "C" and Caspian "F").
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Affiliation(s)
- Veronika Bartáková
- The Czech Academy of Sciences, Institute of Vertebrate Biology, Květná 8, 603 65 Brno, Czech Republic; Department of Botany and Zoology, Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic
| | - Josef Bryja
- The Czech Academy of Sciences, Institute of Vertebrate Biology, Květná 8, 603 65 Brno, Czech Republic; Department of Botany and Zoology, Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic
| | - Radek Šanda
- National Museum, Department of Zoology, Václavské nám. 68, 115 79 Prague 1, Czech Republic
| | - Yusuf Bektas
- Department of Basic Sciences, Faculty of Fisheries, Recep Tayyip Erdogan University, 53100 Rize, Turkey
| | - Tihomir Stefanov
- National Museum of Natural History, Bulgarian Academy of Sciences, 1 Tsar Osvoboditel Blv., 1000 Sofia, Bulgaria
| | - Lukáš Choleva
- The Czech Academy of Sciences, Institute of Animal Physiology and Genetics, Laboratory of Fish Genetics, Rumburská 89, 277 21 Liběchov, Czech Republic; Department of Biology and Ecology, Faculty of Science, University of Ostrava, Chittussiho 10, Ostrava 710 00, Czech Republic
| | - Carl Smith
- The Czech Academy of Sciences, Institute of Vertebrate Biology, Květná 8, 603 65 Brno, Czech Republic; Department of Ecology & Vertebrate Zoology, University of Łódź, Banacha 12/16, 90-237 Łódź, Poland; School of Biology and Bell-Pettigrew Museum of Natural History, University of St Andrews, St Andrews KY16 8LB, UK
| | - Martin Reichard
- The Czech Academy of Sciences, Institute of Vertebrate Biology, Květná 8, 603 65 Brno, Czech Republic.
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26
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Qiao L, Wen G, Qi Y, Lu B, Hu J, Song Z, Fu J. Evolutionary melting pots and reproductive isolation: A ring-shaped diversification of an odorous frog (Odorrana margaratea
) around the Sichuan Basin. Mol Ecol 2018; 27:4888-4900. [DOI: 10.1111/mec.14899] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Revised: 09/04/2018] [Accepted: 10/03/2018] [Indexed: 01/17/2023]
Affiliation(s)
- Liang Qiao
- Chengdu Institute of Biology; Chinese Academy of Sciences; Chengdu Sichuan China
| | - Guannan Wen
- Chengdu Institute of Biology; Chinese Academy of Sciences; Chengdu Sichuan China
| | - Yin Qi
- Chengdu Institute of Biology; Chinese Academy of Sciences; Chengdu Sichuan China
| | - Bin Lu
- Chengdu Institute of Biology; Chinese Academy of Sciences; Chengdu Sichuan China
| | - Junhua Hu
- Chengdu Institute of Biology; Chinese Academy of Sciences; Chengdu Sichuan China
| | - Zhaobin Song
- College of Life Sciences; Sichuan University; Chengdu Sichuan China
| | - Jinzhong Fu
- Chengdu Institute of Biology; Chinese Academy of Sciences; Chengdu Sichuan China
- Department of Integrative Biology; University of Guelph; Guelph Ontario Canada
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27
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Dufresnes C, Mazepa G, Rodrigues N, Brelsford A, Litvinchuk SN, Sermier R, Lavanchy G, Betto-Colliard C, Blaser O, Borzée A, Cavoto E, Fabre G, Ghali K, Grossen C, Horn A, Leuenberger J, Phillips BC, Saunders PA, Savary R, Maddalena T, Stöck M, Dubey S, Canestrelli D, Jeffries DL. Genomic Evidence for Cryptic Speciation in Tree Frogs From the Apennine Peninsula, With Description of Hyla perrini sp. nov. Front Ecol Evol 2018. [DOI: 10.3389/fevo.2018.00144] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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28
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Teixeira J, Gonçalves H, Ferrand N, García-París M, Recuero E. Mitochondrial phylogeography of the Iberian endemic frog Rana iberica, with implications for its conservation. Curr Zool 2018; 64:755-764. [PMID: 30538735 PMCID: PMC6280099 DOI: 10.1093/cz/zoy010] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Accepted: 01/17/2018] [Indexed: 11/18/2022] Open
Abstract
Genetic characterization of species using phylogeographic approaches represents a basic reference to understand their evolutionary history as well as to identify conservation priorities to protect areas of particular interest regarding evolutionary potential. Even in well-studied regions such information is lacking for the majority of species, including many endemic species with reduced distribution ranges. We investigate the phylogeographic pattern of the Iberian frog Rana iberica, an endemic amphibian restricted to Central and North-Western Iberian Peninsula. Using mitochondrial sequences, we reconstruct the phylogeographic history of the species to test the effect of Quaternary climate changes on the evolutionary diversification of lineages, that is, the differentiation of mitochondrial lineages and the formation of genetic diversity melting pots, and integrate phylogeographic evidence for future conservation planning. Our results indicate the existence of 3 main mitochondrial lineages differentiated during the Upper Pleistocene. Both historical demographic analyses and climatic niche modeling show a strong effect of glacial climate changes, suggesting recurrent range contractions and expansions. Under such circumstances, differentiation took place most likely by isolation in allopatric interglacial refugia. Secondary lineage admixture in northern Portugal generated a broad mixed zone with highest nucleotide diversity. Given its particular evolutionary potential, its reduced distribution and eventual threats under current climate change scenario, conservation priorities should focus on the isolated lineage from Sierra de Guadalupe.
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Affiliation(s)
- José Teixeira
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), Terminal de Cruzeiros do Porto de Leixões, Matosinhos, Portugal
| | - Helena Gonçalves
- Centro de Investigação em Biodiversidade e Recursos Genéticos (CIBIO-InBIO), Universidade do Porto, Rua Padre Armando Quintas, Vairão, Portugal.,Museu de História Natural e da Ciência da Universidade do Porto (MHNC-UP), Praça Gomes Teixeira, Porto, Portugal
| | - Nuno Ferrand
- Centro de Investigação em Biodiversidade e Recursos Genéticos (CIBIO-InBIO), Universidade do Porto, Rua Padre Armando Quintas, Vairão, Portugal.,Museu de História Natural e da Ciência da Universidade do Porto (MHNC-UP), Praça Gomes Teixeira, Porto, Portugal.,Departamento de Biologia, Faculdade de Ciências da Universidade do Porto, Porto, Portugal
| | - Mario García-París
- Museo Nacional de Ciencias Naturales (MNCN-CSIC), Calle de José Gutiérrez Abascal, 2, Madrid, Spain
| | - Ernesto Recuero
- Museo Nacional de Ciencias Naturales (MNCN-CSIC), Calle de José Gutiérrez Abascal, 2, Madrid, Spain
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29
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van Riemsdijk I, Arntzen JW, Bogaerts S, Franzen M, Litvinchuk SN, Olgun K, Wielstra B. The Near East as a cradle of biodiversity: A phylogeography of banded newts (genus Ommatotriton) reveals extensive inter- and intraspecific genetic differentiation. Mol Phylogenet Evol 2017; 114:73-81. [DOI: 10.1016/j.ympev.2017.05.028] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Revised: 04/04/2017] [Accepted: 05/31/2017] [Indexed: 01/04/2023]
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30
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Sefc KM, Mattersdorfer K, Ziegelbecker A, Neuhüttler N, Steiner O, Goessler W, Koblmüller S. Shifting barriers and phenotypic diversification by hybridisation. Ecol Lett 2017; 20:651-662. [PMID: 28384842 PMCID: PMC6555762 DOI: 10.1111/ele.12766] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Accepted: 03/06/2017] [Indexed: 01/30/2023]
Abstract
The establishment of hybrid taxa relies on reproductive isolation from the parental forms, typically achieved by ecological differentiation. Here, we present an alternative mechanism, in which shifts in the strength and location of dispersal barriers facilitate diversification by hybridisation. Our case study concerns the highly diverse, stenotopic rock-dwelling cichlids of the African Great Lakes, many of which display geographic colour pattern variation. The littoral habitat of these fish has repeatedly been restructured in the course of ancient lake level fluctuations. Genetic data and an experimental cross support the hybrid origin of a distinct yellow-coloured variant of Tropheus moorii from ancient admixture between two allopatric, red and bluish variants. Deficient assortative mating preferences imply that reproductive isolation continues to be contingent on geographic separation. Linking paleolimnological data with the establishment of the hybrid variant, we sketch a selectively neutral diversification process governed solely by rearrangements of dispersal barriers.
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Affiliation(s)
- Kristina M. Sefc
- Institute of Zoology, University of Graz, Universitätsplatz 2, 8010 Graz, Austria
| | - Karin Mattersdorfer
- Institute of Zoology, University of Graz, Universitätsplatz 2, 8010 Graz, Austria
| | | | - Nina Neuhüttler
- Institute of Zoology, University of Graz, Universitätsplatz 2, 8010 Graz, Austria
| | - Oliver Steiner
- Institute of Chemistry - Analytical Chemistry, University of Graz, Universitätsplatz 1, 8010 Graz, Austria
| | - Walter Goessler
- Institute of Chemistry - Analytical Chemistry, University of Graz, Universitätsplatz 1, 8010 Graz, Austria
| | - Stephan Koblmüller
- Institute of Zoology, University of Graz, Universitätsplatz 2, 8010 Graz, Austria
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31
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Willis SC. One species or four? Yes!...and, no. Or, arbitrary assignment of lineages to species obscures the diversification processes of Neotropical fishes. PLoS One 2017; 12:e0172349. [PMID: 28235096 PMCID: PMC5325279 DOI: 10.1371/journal.pone.0172349] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2016] [Accepted: 02/03/2017] [Indexed: 11/18/2022] Open
Abstract
Species are fundamental units in many biological disciplines, but there is continuing disagreement as to what species are, how to define them, and even whether the concept is useful. While some of this debate can be attributed to inadequate data and insufficient statistical frameworks in alpha taxonomy, an equal part results from the ambiguity over what species are expected to represent by the many who use them. Here, mtDNA data, microsatellite data, and sequence data from 17 nuclear loci are used in an integrated and quantitative manner to resolve the presence of evolutionary lineages, their contemporary and historical structure, and their correspondence to species, in a species complex of Amazonian peacock "bass" cichlids (Cichla pinima sensu lato). Results suggest that the historical narrative for these populations is more complex than can be portrayed by recognizing them as one, two, or four species: their history and contemporary dynamics cannot be unambiguously rendered as discrete units (taxa) at any level without both choosing the supremacy of one delimitation criterion and obscuring the very information that provides insight into the diversification process. This calls into question the utility of species as a rank, term, or concept, and suggests that while biologists may have a reasonable grasp of the structure of evolution, our methods of conveying these insights need updating. The lack of correspondence between evolutionary phenomena and discrete species should serve as a null hypothesis, and researchers should focus on quantifying the diversity in nature at whatever hierarchical level it occurs.
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Affiliation(s)
- Stuart C. Willis
- Department of Life Sciences, Texas A&M University-Corpus Christi, Corpus Christi, Texas, United States of America
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32
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Barker BS, Andonian K, Swope SM, Luster DG, Dlugosch KM. Population genomic analyses reveal a history of range expansion and trait evolution across the native and invaded range of yellow starthistle (Centaurea solstitialis). Mol Ecol 2017; 26:1131-1147. [PMID: 28029713 DOI: 10.1111/mec.13998] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Revised: 12/11/2016] [Accepted: 12/19/2016] [Indexed: 12/25/2022]
Abstract
Identifying sources of genetic variation and reconstructing invasion routes for non-native introduced species is central to understanding the circumstances under which they may evolve increased invasiveness. In this study, we used genome-wide single nucleotide polymorphisms to study the colonization history of Centaurea solstitialis in its native range in Eurasia and invasions into the Americas. We leveraged this information to pinpoint key evolutionary shifts in plant size, a focal trait associated with invasiveness in this species. Our analyses revealed clear population genomic structure of potential source populations in Eurasia, including deep differentiation of a lineage found in the southern Apennine and Balkan Peninsulas and divergence among populations in Asia, eastern Europe and western Europe. We found strongest support for an evolutionary scenario in which western European populations were derived from an ancient admixture event between populations from eastern Europe and Asia, and subsequently served as the main genetic 'bridgehead' for introductions to the Americas. Introductions to California appear to be from a single source region, and multiple, independent introductions of divergent genotypes likely occurred into the Pacific Northwest. Plant size has evolved significantly at three points during range expansion, including a large size increase in the lineage responsible for the aggressive invasion of the California interior. These results reveal a long history of colonization, admixture and trait evolution in C. solstitialis, and suggest routes for improving evidence-based management decisions for one of the most ecologically and economically damaging invasive species in the western United States.
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Affiliation(s)
- Brittany S Barker
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, 85721, USA
| | - Krikor Andonian
- Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, CA, 95064, USA
| | - Sarah M Swope
- Department of Biology, Mills College, Oakland, CA, 94613, USA
| | - Douglas G Luster
- USDA-ARS Foreign Disease-Weed Science Research Unit, Ft. Detrick, MD, 21702, USA
| | - Katrina M Dlugosch
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, 85721, USA
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33
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Jablonski D, Najbar B, Grochowalska R, Gvoždík V, Strzała T. Phylogeography and postglacial colonization of Central Europe by Anguis fragilis and Anguis colchica. AMPHIBIA-REPTILIA 2017. [DOI: 10.1163/15685381-00003133] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Five slow-worm species are distributed in the Palearctic region. Two species, Anguis fragilis and A. colchica, are native to Central Europe, where only limited information on the phylogeography of the genus exists. Here, we examined the situation in Poland and surrounding regions, where a mitochondrial contact zone between the species is expected. We used new mitochondrial DNA sequences and available published data from Central Europe and the northern Balkans. Haplotypes of both species were recorded in the study area. Anguis fragilis is represented by a single haplogroup, while A. colchica by three haplogroups. This suggests four independent sources/refugia for postglacial colonization of northern Central Europe. The mitochondrial contact zone seems to mirror the borders between lowlands of the North European Plain and East European Plain, and the south-eastern Poland uplands, while the Vistula River does not constitute a barrier. The presence of both species, A. fragilis and A. colchica, in Poland should also be considered for protection by the Polish conservation legislation.
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Affiliation(s)
- Daniel Jablonski
- Department of Zoology, Comenius University in Bratislava, Mlynská dolina, Ilkovičova 6, 842 15 Bratislava, Slovakia
| | - Bartłomiej Najbar
- Faculty of Biological Sciences, University of Zielona Góra, Prof. Z. Szafrana 1, 65-516 Zielona Góra, Poland
| | - Renata Grochowalska
- Department of Biochemistry and Bioinformatics, Faculty of Biological Sciences, University of Zielona Góra, Prof. Z. Szafrana 1, 65-001 Zielona Góra, Poland
| | - Václav Gvoždík
- Institute of Vertebrate Biology, Czech Academy of Sciences, 603 65 Brno, Czech Republic
- Department of Zoology, National Museum, 193 00 Prague, Czech Republic
| | - Tomasz Strzała
- Faculty of Biology and Animal Science, Department of Genetics, Wrocław University of Environmental and Life Sciences, Kożuchowska 7, 51-631 Wrocław, Poland
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34
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Cryptic invasion of Italian pool frogs (Pelophylax bergeri) across Western Europe unraveled by multilocus phylogeography. Biol Invasions 2016. [DOI: 10.1007/s10530-016-1359-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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35
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Dufresnes C, Litvinchuk SN, Borzée A, Jang Y, Li JT, Miura I, Perrin N, Stöck M. Phylogeography reveals an ancient cryptic radiation in East-Asian tree frogs (Hyla japonica group) and complex relationships between continental and island lineages. BMC Evol Biol 2016; 16:253. [PMID: 27884104 PMCID: PMC5121986 DOI: 10.1186/s12862-016-0814-x] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Accepted: 10/28/2016] [Indexed: 11/21/2022] Open
Abstract
Background In contrast to the Western Palearctic and Nearctic biogeographic regions, the phylogeography of Eastern-Palearctic terrestrial vertebrates has received relatively little attention. In East Asia, tectonic events, along with Pleistocene climatic conditions, likely affected species distribution and diversity, especially through their impact on sea levels and the consequent opening and closing of land-bridges between Eurasia and the Japanese Archipelago. To better understand these effects, we sequenced mitochondrial and nuclear markers to determine phylogeographic patterns in East-Asian tree frogs, with a particular focus on the widespread H. japonica. Results We document several cryptic lineages within the currently recognized H. japonica populations, including two main clades of Late Miocene divergence (~5 Mya). One occurs on the northeastern Japanese Archipelago (Honshu and Hokkaido) and the Russian Far-East islands (Kunashir and Sakhalin), and the second one inhabits the remaining range, comprising southwestern Japan, the Korean Peninsula, Transiberian China, Russia and Mongolia. Each clade further features strong allopatric Plio-Pleistocene subdivisions (~2-3 Mya), especially among continental and southwestern Japanese tree frog populations. Combined with paleo-climate-based distribution models, the molecular data allowed the identification of Pleistocene glacial refugia and continental routes of postglacial recolonization. Phylogenetic reconstructions further supported genetic homogeneity between the Korean H. suweonensis and Chinese H. immaculata, suggesting the former to be a relic population of the latter that arose when the Yellow Sea formed, at the end of the last glaciation. Conclusions Patterns of divergence and diversity were likely triggered by Miocene tectonic activities and Quaternary climatic fluctuations (including glaciations), causing the formation and disappearance of land-bridges between the Japanese islands and the continent. Overall, this resulted in a ring-like diversification of H. japonica around the Sea of Japan. Our findings urge for important taxonomic revisions in East-Asian tree frogs. First, they support the synonymy of H. suweonensis (Kuramoto, 1980) and H. immaculata (Boettger, 1888). Second, the nominal H. japonica (Günther, 1859) represents at least two species: an eastern (new taxon A) on the northern Japanese and Russian Far East islands, and a southwestern species (n. t. B) on southern Japanese islands and possibly also forming continental populations. Third, these continental tree frogs may also represent an additional entity, previously described as H. stepheni Boulenger, 1888 (senior synonym of H. ussuriensis Nikolskii, 1918). A complete revision of this group requires further taxonomic and nomenclatural analyses, especially since it remains unclear to which taxon the species-epitheton japonica corresponds to. Electronic supplementary material The online version of this article (doi:10.1186/s12862-016-0814-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Christophe Dufresnes
- Department of Ecology and Evolution, Biophore Building, University of Lausanne, 1015, Lausanne, Switzerland
| | - Spartak N Litvinchuk
- Institute of Cytology, Russian Academy of Sciences, Tikhoretsky pr. 4, 194064, St. Petersburg, Russia
| | - Amaël Borzée
- Laboratory of Behavioral Ecology and Evolution, School of Biological Sciences, Seoul National University, 151-747, Seoul, Republic of Korea.,Division of EcoScience, Ewha Womans University, Seoul, 120-750, Republic of Korea
| | - Yikweon Jang
- Division of EcoScience, Ewha Womans University, Seoul, 120-750, Republic of Korea
| | - Jia-Tang Li
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, China
| | - Ikuo Miura
- Institute for Amphibian Biology, Graduate School of Science, Hiroshima University, Kagamiyama 1-3-1, Higashihiroshima, 739-8526, Japan
| | - Nicolas Perrin
- Department of Ecology and Evolution, Biophore Building, University of Lausanne, 1015, Lausanne, Switzerland
| | - Matthias Stöck
- Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB), Müggelseedamm 301, D-12587, Berlin, Germany. .,Visiting Research Fellow at the Graduate School of Science, Hiroshima University, Hiroshima, Japan.
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