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Wolfgramm H, Martens J, Töpfer T, Vamberger M, Pathak A, Stuckas H, Päckert M. Asymmetric allelic introgression across a hybrid zone of the coal tit ( Periparus ater) in the central Himalayas. Ecol Evol 2021; 11:17332-17351. [PMID: 34938512 PMCID: PMC8668783 DOI: 10.1002/ece3.8369] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 10/26/2021] [Accepted: 11/02/2021] [Indexed: 11/07/2022] Open
Abstract
In the Himalayas, a number of secondary contact zones have been described for vicariant vertebrate taxa. However, analyses of genetic divergence and admixture are missing for most of these examples. In this study, we provide a population genetic analysis for the coal tit (Periparus ater) hybrid zone in Nepal. Intermediate phenotypes between the distinctive western "spot-winged tit" (P. a. melanolophus) and Eastern Himalayan coal tits (P. a. aemodius) occur across a narrow range of <100 km in western Nepal. As a peculiarity, another distinctive cinnamon-bellied form is known from a single population so far. Genetic admixture of western and eastern mitochondrial lineages was restricted to the narrow zone of phenotypically intermediate populations. The cline width was estimated 46 km only with a center close to the population of the cinnamon-bellied phenotype. In contrast, allelic introgression of microsatellite loci was asymmetrical from eastern P. a. aemodius into far western populations of phenotypic P. a. melanolophus but not vice versa. Accordingly, the microsatellite cline was about 3.7 times wider than the mitochondrial one.
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Affiliation(s)
- Hannes Wolfgramm
- Senckenberg Natural History Collections DresdenDresdenGermany
- Present address:
Department of Functional GenomicsInterfaculty Institute of Genetics and Functional GenomicsUniversity Medicine GreifswaldGreifswaldGermany
| | - Jochen Martens
- Institute of Organismic and Molecular Evolution (iomE)Johannes Gutenberg UniversityMainzGermany
| | - Till Töpfer
- Leibniz Institute for the Analysis of Biodiversity ChangeZoological Research Museum Alexander KoenigBonnGermany
| | | | - Abhinaya Pathak
- Department of National Parks and Wildlife ConservationKathmanduNepal
| | - Heiko Stuckas
- Senckenberg Natural History Collections DresdenDresdenGermany
| | - Martin Päckert
- Senckenberg Natural History Collections DresdenDresdenGermany
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Pârâu LG, Wink M. Common patterns in the molecular phylogeography of western palearctic birds: a comprehensive review. JOURNAL OF ORNITHOLOGY 2021; 162:937-959. [PMID: 34007780 PMCID: PMC8118378 DOI: 10.1007/s10336-021-01893-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Revised: 04/26/2021] [Accepted: 05/02/2021] [Indexed: 06/12/2023]
Abstract
A plethora of studies have offered crucial insights in the phylogeographic status of Western Palearctic bird species. However, an overview integrating all this information and analyzing the combined results is still missing. In this study, we compiled all published peer-reviewed and grey literature available on the phylogeography of Western Palearctic bird species. Our literature review indicates a total number of 198 studies, with the overwhelming majority published as journal articles (n = 186). In total, these literature items offer information on 145 bird species. 85 of these species are characterized by low genetic differentiation, 46 species indicate genetic variation but no geographic structuring i.e. panmixia, while 14 species show geographically distinct lineages and haplotypes. Majority of bird species inhabiting the Western Palearctic display genetic admixture. The glaciation cycles in the past few million years were pivotal factors in shaping this situation: during warm periods many species expanded their distribution range to the north over wide areas of Eurasia; whereas, during ice ages most areas were no longer suitable and species retreated to refugia, where lineages mixed. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s10336-021-01893-x.
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Affiliation(s)
- Liviu G. Pârâu
- Institute of Pharmacy and Molecular Biotechnology, Department Biology, Heidelberg University, Im Neuenheimer Feld 364, 4 OG, Heidelberg, Germany
- Present Address: SARS-CoV-2 Data Evaluation Office, Eurofins Genomics Europe Applied Genomics GmbH, Anzinger Straße 7a, 85560 Ebersberg, Germany
| | - Michael Wink
- Institute of Pharmacy and Molecular Biotechnology, Department Biology, Heidelberg University, Im Neuenheimer Feld 364, 4 OG, Heidelberg, Germany
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Andersen MJ, McCullough JM, Gyllenhaal EF, Mapel XM, Haryoko T, Jønsson KA, Joseph L. Complex histories of gene flow and a mitochondrial capture event in a nonsister pair of birds. Mol Ecol 2021; 30:2087-2103. [PMID: 33615597 PMCID: PMC8252742 DOI: 10.1111/mec.15856] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 02/02/2021] [Accepted: 02/12/2021] [Indexed: 01/03/2023]
Abstract
Hybridization, introgression, and reciprocal gene flow during speciation, specifically the generation of mitonuclear discordance, are increasingly observed as parts of the speciation process. Genomic approaches provide insight into where, when, and how adaptation operates during and after speciation and can measure historical and modern introgression. Whether adaptive or neutral in origin, hybridization can cause mitonuclear discordance by placing the mitochondrial genome of one species (or population) in the nuclear background of another species. The latter, introgressed species may eventually have its own mtDNA replaced or “captured” by other species across its entire geographical range. Intermediate stages in the capture process should be observable. Two nonsister species of Australasian monarch‐flycatchers, Spectacled Monarch (Symposiachrus trivirgatus) mostly of Australia and Indonesia and Spot‐winged Monarch (S. guttula) of New Guinea, present an opportunity to observe this process. We analysed thousands of single nucleotide polymorphisms (SNPs) derived from ultraconserved elements of all subspecies of both species. Mitochondrial DNA sequences of Australian populations of S. trivirgatus form two paraphyletic clades, one being sister to and presumably introgressed by S. guttula despite little nuclear signal of introgression. Population genetic analyses (e.g., tests for modern and historical gene flow and selection) support at least one historical gene flow event between S. guttula and Australian S. trivirgatus. We also uncovered introgression from the Maluku Islands subspecies of S. trivirgatus into an island population of S. guttula, resulting in apparent nuclear paraphyly. We find that neutral demographic processes, not adaptive introgression, are the most likely cause of these complex population histories. We suggest that a Pleistocene extinction of S. guttula from mainland Australia resulted from range expansion by S. trivirgatus.
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Affiliation(s)
- Michael J Andersen
- Department of Biology and Museum of Southwestern Biology, University of New Mexico, Albuquerque, New Mexico, USA
| | - Jenna M McCullough
- Department of Biology and Museum of Southwestern Biology, University of New Mexico, Albuquerque, New Mexico, USA
| | - Ethan F Gyllenhaal
- Department of Biology and Museum of Southwestern Biology, University of New Mexico, Albuquerque, New Mexico, USA
| | - Xena M Mapel
- Department of Biology and Museum of Southwestern Biology, University of New Mexico, Albuquerque, New Mexico, USA.,Animal Genomics, ETH Zürich, Lindau, Switzerland
| | - Tri Haryoko
- Museum Zoologicum Bogoriense, Research Centre for Biology, Indonesian Institute of Sciences (LIPI), Cibinong, Indonesia
| | - Knud A Jønsson
- Natural History Museum of Denmark, University of Copenhagen, Copenhagen Ø, Denmark
| | - Leo Joseph
- Australian National Wildlife Collection, CSIRO National Research Collections, Canberra, Australian Capital Territory, Australia
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Coman A, Potter S, Moritz C, Campbell CD, Joseph L. Biotic and abiotic drivers of evolution in some Australian thornbills (Passeriformes:
Acanthiza
) in allopatry, sympatry, and parapatry including a case of character displacement. J ZOOL SYST EVOL RES 2020. [DOI: 10.1111/jzs.12355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Amelia Coman
- Division of Ecology and Evolution Research School of Biology, and Centre for Biodiversity Analysis The Australian National University Acton ACT Australia
- Australian National Wildlife Collection CSIRO National Research Collections Australia Canberra ACT Australia
| | - Sally Potter
- Division of Ecology and Evolution Research School of Biology, and Centre for Biodiversity Analysis The Australian National University Acton ACT Australia
| | - Craig Moritz
- Division of Ecology and Evolution Research School of Biology, and Centre for Biodiversity Analysis The Australian National University Acton ACT Australia
| | - Catriona D. Campbell
- Australian National Wildlife Collection CSIRO National Research Collections Australia Canberra ACT Australia
| | - Leo Joseph
- Australian National Wildlife Collection CSIRO National Research Collections Australia Canberra ACT Australia
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McElroy K, Black A, Dolman G, Horton P, Pedler L, Campbell CD, Drew A, Joseph L. Robbery in progress: Historical museum collections bring to light a mitochondrial capture within a bird species widespread across southern Australia, the Copperback Quail-thrush Cinclosoma clarum. Ecol Evol 2020; 10:6785-6793. [PMID: 32724551 PMCID: PMC7381587 DOI: 10.1002/ece3.6403] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 04/17/2020] [Accepted: 04/21/2020] [Indexed: 01/01/2023] Open
Abstract
We surveyed mitochondrial, autosomal, and Z chromosome diversity within and between the Copperback Quail-thrush Cinclosoma clarum and Chestnut Quail-thrush C. castanotum, which together span the arid and semi-arid zones of southern Australia, and primarily from specimens held in museum collections. We affirm the recent taxonomic separation of the two species and then focus on diversity within the more widespread of the two species, C. clarum. To guide further study of the system and what it offers to understanding the genomics of the differentiation and speciation processes, we develop and present a hypothesis to explain mitonuclear discordance that emerged in ourdata. Following a period of historical allopatry, secondary contact has resulted in an eastern mitochondrial genome replacing the western mitochondrial genome in western populations. This is predicted under a population-level invasion in the opposite direction, that of the western population invading the range of the eastern one. Mitochondrial captures can be driven by neutral, demographic processes, or adaptive mechanisms, and we favor the hypothesized capture being driven by neutral means. We cannot fully reject the adaptive process but suggest how these alternatives may be further tested. We acknowledge an alternative hypothesis, which finds some support in phenotypic data published elsewhere, namely that outcomes of secondary contact have been more complex than our current genomic data suggest. Discriminating and reconciling these two alternative hypotheses, which may not be mutually exclusive, could be tested with closer sampling at levels of population, individual, and nucleotide than has so far been possible. This would be further aided by knowledge of the genetic basis to phenotypic variation described elsewhere.
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Affiliation(s)
- Kerensa McElroy
- Australian National Wildlife CollectionCSIRO National Research Collections AustraliaCanberraACTAustralia
| | | | - Gaynor Dolman
- Molecular Systematics UnitWestern Australian MuseumWAAustralia
- University of AdelaideAdelaideSAAustralia
| | | | - Lynn Pedler
- South Australian MuseumAdelaideSAAustralia
- KoolungaSAAustralia
| | - Catriona D. Campbell
- Australian National Wildlife CollectionCSIRO National Research Collections AustraliaCanberraACTAustralia
| | - Alex Drew
- Australian National Wildlife CollectionCSIRO National Research Collections AustraliaCanberraACTAustralia
| | - Leo Joseph
- Australian National Wildlife CollectionCSIRO National Research Collections AustraliaCanberraACTAustralia
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Kleindorfer S, Dudaniec RY. Hybridization fluctuates with rainfall in Darwin’s tree finches. Biol J Linn Soc Lond 2020. [DOI: 10.1093/biolinnean/blaa029] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Hybridization in natural populations may be an adaptive response to shifting climatic regimes, but understanding this can be limited by the timing of sampling effort and confident identification of hybrids. On the Galapagos Islands, Darwin’s finches regularly hybridize; the islands also show extreme annual variation in rainfall, but the effect of annual rainfall on the frequency of finch hybridization is little known. Across a 20-year period on Floreana Island, we compare patterns of hybridization in sympatric Darwin’s tree finches (N = 425; Camaryhnchus spp.) and test for an effect of annual rainfall on (1) the frequency of hybrids (C. pauper × C. parvulus) and (2) the percentage of male hybrid birds produced per year (hybrid recruitment). Annual rainfall correlated with recruitment positively for hybrids, negatively for C. parvulus and not at all for C. pauper. Furthermore, the percentage of hybrids (range: 12–56%) and C. parvulus did not change with sampling year, but the critically endangered C. pauper declined. Our findings indicate that hybrid recruitment is recurring and variable according to annual rainfall in Camarhynchus Darwin’s finches.
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Affiliation(s)
- Sonia Kleindorfer
- Flinders University, College of Science and Engineering, Bedford Park, Adelaide, Australia
- Konrad Lorenz Research Center for Behaviour and Cognition and Department of Behavioural and Cognitive Biology, University of Vienna, Vienna, Austria
| | - Rachael Y Dudaniec
- Macquarie University, Department of Biological Sciences, North Ryde, Sydney, Australia
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Joseph L, Drew A, Mason IJ, Peters JL. Introgression between non-sister species of honeyeaters (Aves: Meliphagidae) several million years after speciation. Biol J Linn Soc Lond 2019. [DOI: 10.1093/biolinnean/blz129] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
AbstractWe reassessed whether two parapatric non-sister Australian honeyeater species (Aves: Meliphagidae), varied and mangrove honeyeaters (Gavicalis versicolor and G. fasciogularis, respectively), that diverged from a common ancestor c. 2.5 Mya intergrade in the Townsville area of north-eastern Queensland. Consistent with a previous specimen-based study, by using genomics methods we show one-way gene flow for autosomal but not Z-linked markers from varied into mangrove honeyeaters. Introgression barely extends south of the area of parapatry in and around the city of Townsville. While demonstrating the long-term porosity of species boundaries over several million years, our data also suggest a clear role of sex chromosomes in maintaining reproductive isolation.
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Affiliation(s)
- Leo Joseph
- Australian National Wildlife Collection, National Research Collections Australia, CSIRO, Canberra, ACT, Australia
| | - Alex Drew
- Australian National Wildlife Collection, National Research Collections Australia, CSIRO, Canberra, ACT, Australia
| | - Ian J Mason
- Australian National Wildlife Collection, National Research Collections Australia, CSIRO, Canberra, ACT, Australia
| | - Jeffrey L Peters
- Department of Biological Sciences, Wright State University, Dayton, OH, USA
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Hill GE. Reconciling the Mitonuclear Compatibility Species Concept with Rampant Mitochondrial Introgression. Integr Comp Biol 2019; 59:912-924. [DOI: 10.1093/icb/icz019] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Abstract
The mitonuclear compatibility species concept defines a species as a population that is genetically isolated from other populations by uniquely coadapted mitochondrial (mt) and nuclear genes. A key prediction of this hypothesis is that the mt genotype of each species will be functionally distinct and that introgression of mt genomes will be prevented by mitonuclear incompatibilities that arise when heterospecific mt and nuclear genes attempt to cofunction to enable aerobic respiration. It has been proposed, therefore, that the observation of rampant introgression of mt genotypes from one species to another constitutes a strong refutation of the mitonuclear speciation. The displacement of a mt genotype from a nuclear background with which it co-evolved to a foreign nuclear background will necessarily lead to fitness loss due to mitonuclear incompatibilities. Here I consider two potential benefits of mt introgression between species that may, in some cases, overcome fitness losses arising from mitonuclear incompatibilities. First, the introgressed mt genotype may be better adapted to the local environment than the native mt genotype such that higher fitness is achieved through improved adaptation via introgression. Second, if the mitochondria of the recipient taxa carry a high mutational load, then introgression of a foreign, less corrupt mt genome may enable the recipient taxa to escape its mutational load and gain a fitness advantage. Under both scenarios, fitness gains from novel mt genotypes could theoretically compensate for the fitness that is lost via mitonuclear incompatibility. I also consider the role of endosymbionts in non-adaptive rampant introgression of mt genomes. I conclude that rampant introgression is not necessarily evidence against the idea of tight mitonuclear coadaptation or the mitonuclear compatibility species concept. Rampant mt introgression will typically lead to erasure of species but in some cases could lead to hybrid speciation.
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Affiliation(s)
- Geoffrey E Hill
- Department of Biological Sciences, 331 Funchess Hall, Auburn University, Auburn, AL 36849-5414, USA
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