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Rosset SD, Baldo D, Borteiro C, Kolenc F, Cazzaniga NJ, Basso NG. Calling Frogs by Their Name: Long-Lasting Misidentification of Tetraploid Frogs of the Genus Odontophrynus (Anura: Odontophrynidae). HERPETOLOGICAL MONOGRAPHS 2022. [DOI: 10.1655/herpmonographs-d-21-00004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Sergio D. Rosset
- Sección Herpetología, División Zoología Vertebrados, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Avenida 122 y 60, La Plata, 1900, Buenos Aires, Argentina
| | - Diego Baldo
- Laboratorio de Genética Evolutiva, Instituto de Biología Subtropical “Claudio Juan Bidau” (CONICET-UNaM), Facultad de Ciencias Exactas Químicas y Naturales, Universidad Nacional de Misiones, Félix de Azara 1552, Posadas, N3300LQF, Misiones, Argentina
| | - Claudio Borteiro
- Sección Herpetología, Museo Nacional de Historia Natural, Miguelete 1825, Montevideo, 11800, Uruguay
| | - Francisco Kolenc
- Sección Herpetología, Museo Nacional de Historia Natural, Miguelete 1825, Montevideo, 11800, Uruguay
| | - Néstor J. Cazzaniga
- Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur, San Juan 670, Bahía Blanca, 8000, Buenos Aires, Argentina
| | - Néstor G. Basso
- Instituto de Diversidad y Evolución Austral (IDEAus-CONICET), Blvd. Alte. Brown 2915, Puerto Madryn, U9120ACF, Chubut, Argentina
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Novikova PY, Brennan IG, Booker W, Mahony M, Doughty P, Lemmon AR, Moriarty Lemmon E, Roberts JD, Yant L, Van de Peer Y, Keogh JS, Donnellan SC. Polyploidy breaks speciation barriers in Australian burrowing frogs Neobatrachus. PLoS Genet 2020; 16:e1008769. [PMID: 32392206 PMCID: PMC7259803 DOI: 10.1371/journal.pgen.1008769] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Revised: 05/29/2020] [Accepted: 04/08/2020] [Indexed: 01/13/2023] Open
Abstract
Polyploidy has played an important role in evolution across the tree of life but it is still unclear how polyploid lineages may persist after their initial formation. While both common and well-studied in plants, polyploidy is rare in animals and generally less understood. The Australian burrowing frog genus Neobatrachus is comprised of six diploid and three polyploid species and offers a powerful animal polyploid model system. We generated exome-capture sequence data from 87 individuals representing all nine species of Neobatrachus to investigate species-level relationships, the origin and inheritance mode of polyploid species, and the population genomic effects of polyploidy on genus-wide demography. We describe rapid speciation of diploid Neobatrachus species and show that the three independently originated polyploid species have tetrasomic or mixed inheritance. We document higher genetic diversity in tetraploids, resulting from widespread gene flow between the tetraploids, asymmetric inter-ploidy gene flow directed from sympatric diploids to tetraploids, and isolation of diploid species from each other. We also constructed models of ecologically suitable areas for each species to investigate the impact of climate on differing ploidy levels. These models suggest substantial change in suitable areas compared to past climate, which correspond to population genomic estimates of demographic histories. We propose that Neobatrachus diploids may be suffering the early genomic impacts of climate-induced habitat loss, while tetraploids appear to be avoiding this fate, possibly due to widespread gene flow. Finally, we demonstrate that Neobatrachus is an attractive model to study the effects of ploidy on the evolution of adaptation in animals.
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Affiliation(s)
- Polina Yu. Novikova
- VIB-UGent Center for Plant Systems Biology, Ghent, Belgium
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent, Belgium
| | - Ian G. Brennan
- Division of Ecology & Evolution, Research School of Biology, The Australian National University, Canberra, Australia
| | - William Booker
- Department of Biological Science, Florida State University, Tallahassee, Florida, United States of America
| | - Michael Mahony
- School of Environmental and Life Sciences, University of Newcastle, Callaghan, Australia
| | - Paul Doughty
- Western Australian Museum, Welshpool, Perth, Australia
| | - Alan R. Lemmon
- Department of Scientific Computing, Florida State University, Tallahassee, Florida, United States of America
| | - Emily Moriarty Lemmon
- Department of Biological Science, Florida State University, Tallahassee, Florida, United States of America
| | - J. Dale Roberts
- School of Biological Sciences, and, Centre for Evolutionary Biology, University of Western Australia, Albany, Western Australia, Australia
| | - Levi Yant
- School of Life Sciences and Future Food Beacon, University of Nottingham, Nottingham, United Kingdom
| | - Yves Van de Peer
- VIB-UGent Center for Plant Systems Biology, Ghent, Belgium
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent, Belgium
- Bioinformatics Institute Ghent, Ghent University, Ghent, Belgium
- Department of Biochemistry, Genetics and Microbiology, University of Pretoria, Pretoria, South Africa
| | - J. Scott Keogh
- Division of Ecology & Evolution, Research School of Biology, The Australian National University, Canberra, Australia
| | - Stephen C. Donnellan
- South Australian Museum, North Terrace, Adelaide, Australia
- School of Biological Sciences, University of Adelaide, North Terrace, Adelaide, Australia
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Abstract
This review summarizes the current status of the known extant genuine polyploid anuran and urodelan species, as well as spontaneously originated and/or experimentally produced amphibian polyploids. The mechanisms by which polyploids can originate, the meiotic pairing configurations, the diploidization processes operating in polyploid genomes, the phenomenon of hybridogenesis, and the relationship between polyploidization and sex chromosome evolution are discussed. The polyploid systems in some important amphibian taxa are described in more detail.
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Faivovich J, Nicoli L, Blotto BL, Pereyra MO, Baldo D, Barrionuevo JS, Fabrezi M, Wild ER, Haddad CF. Big, Bad, and Beautiful: Phylogenetic Relationships of the Horned Frogs (Anura: Ceratophryidae). SOUTH AMERICAN JOURNAL OF HERPETOLOGY 2014. [DOI: 10.2994/sajh-d-14-00032.1] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Julián Faivovich
- División Herpetología, Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”—Consejo Nacional de Investigaciones Científicas y Técnicas, Ángel Gallardo 470, C1405DJR, Buenos Aires, Argentina
| | - Laura Nicoli
- División Herpetología, Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”—Consejo Nacional de Investigaciones Científicas y Técnicas, Ángel Gallardo 470, C1405DJR, Buenos Aires, Argentina
| | - Boris L. Blotto
- División Herpetología, Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”—Consejo Nacional de Investigaciones Científicas y Técnicas, Ángel Gallardo 470, C1405DJR, Buenos Aires, Argentina
| | - Martín O. Pereyra
- División Herpetología, Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”—Consejo Nacional de Investigaciones Científicas y Técnicas, Ángel Gallardo 470, C1405DJR, Buenos Aires, Argentina
| | - Diego Baldo
- Laboratorio de Genética Evolutiva, Instituto de Biología Subtropical (Consejo Nacional de Investigaciones Científicas y Técnicas-Universidad Nacional de Misiones), Facultad de Ciencias Exactas Químicas y Naturales, Universidad Nacional de Misiones, N
| | - J. Sebastián Barrionuevo
- División Herpetología, Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”—Consejo Nacional de Investigaciones Científicas y Técnicas, Ángel Gallardo 470, C1405DJR, Buenos Aires, Argentina
| | - Marissa Fabrezi
- Instituto de Bio y Geociencias del NOA, Centro Científico Tecnológico-Salta, Consejo Nacional de Investigaciones Científicas y Técnicas, 9 de Julio 14, 4405, Rosario de Lerma, Salta, Argentina
| | - Erik R. Wild
- Department of Biology and Museum of Natural History, University of Wisconsin-Stevens Point. Stevens Point, Wisconsin, 54022, USA
| | - Célio F.B. Haddad
- Departamento de Zoologia, Instituto de Biociências, Universidade Estadual Paulista, Avenida 24A1515, CEP 13506-900, Rio Claro, São Paulo, Brazil
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Mable BK, Alexandrou MA, Taylor MI. Genome duplication in amphibians and fish: an extended synthesis. J Zool (1987) 2011. [DOI: 10.1111/j.1469-7998.2011.00829.x] [Citation(s) in RCA: 173] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Cuevas CC, Formas JR. Cytogenetics ofBatrachylaspecies (Anura: Neobatrachia: Ceratophryidae) of southern South America, with phylogenetics comments. NEW ZEALAND JOURNAL OF ZOOLOGY 2008. [DOI: 10.1080/03014220809510114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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7
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Experimentally Induced Autotetraploidy and Allotetraploidy in Two Japanese Pond Frogs. J HERPETOL 2004. [DOI: 10.1670/160-02a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Schmid M, Haaf T, Schempp W. Chromosome banding in Amphibia. IX. The polyploid karyotypes of Odontophrynus americanus and Ceratophrys ornata (Anura, Leptodactylidae). Chromosoma 1985; 91:172-84. [PMID: 3979176 DOI: 10.1007/bf00328215] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The somatic and meiotic chromosomes of the South American leptodactylid toads Odontophrynus americanus, Ceratophyrys ornata, and C. cranwelli were analysed both with conventional staining and differential banding techniques. The karyotypes of O. americanus were tetraploid; those of C. ornata octaploid. Ceratophrys cranwelli is a diploid species whose karyotype displays great similarities with that of C. ornata. The high frequency of multivalent pairing configurations in the meioses of O. americanus and C. ornata indicate that these animals were of autopolyploid origin. The conventionally stained somatic chromosomes of O. americanus can be arranged into sets of four similar chromosomes (quartets); those of C. ornata, into sets of eight similar chromosomes (octets). The banding patterns revealed heterogeneity within some quartets of O. americanus, dividing each of them into two pairs of homologous chromosomes. In analogy, some octets of C. ornata can be subdivided into two quartets of chromosomes with homologous bands. These structural heterogeneities within the quartets and octets are interpreted as a "diploidization" of the polyploid karyotypes. Diploidization leads to genomes that are polyploid with respect to the amount of genetic material and diploid with respect to chromosomal characteristics and the level of gene expression. In tetraploid O. americanus, the number of nucleolus organizer regions (NORs) and their DNA content is proportional to the degree of ploidy. In contrast, up to eight NORs have been deleted in the octoploid C. ornata. These NOR losses are discussed as a possible reason for the reduction of genetic activity in polyploid genomes.
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Mahony MJ, Robinson ES. Polyploidy in the australian leptodactylid frog genus Neobatrachus. Chromosoma 1980; 81:199-212. [PMID: 7192202 DOI: 10.1007/bf00285949] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Karyotypic analysis of six species of the Australian leptodactylid frog genus Neobatrachus showed that N. pictus, N. centralis, N. pelobatoides and N. wilsmorei are diploid (2n = 24) while N. sudelli and N. sutor are tetraploid (4n = 48). Polyploidy has not been reported previously among Australian anurans. Idiograms of the six species indicate that they are similar to the other Australian leptodactylids so far discribed. DNA values of the tetraploids are approximately double the values for diploids. Tetraploid nuclear and cell sizes are greater compared with diploids but total body size shows no increase. At diakinesis in primary spermatocytes of tetraploids, mainly tetravalents together with a few bivalents are present. Silver straining of metaphase spreads clearly demonstrates the location of NORs at the secondary constrictions and their frequent association in the tetraploid N. sutor. Nucleolar number in interphase nuclei provides a reliable guide for distinguishing tetraploid from diploid frogs in the absence of chromosome analysis and can be determined for both living and preserved specimens. The possible origins and relationships of the tetraploid species are discussed.
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Formas JR. The chromosomes ofBufo rubropunctatus andBufo chilensis (Anura, Bufonidae) and other species of thespinolosus group. Cell Mol Life Sci 1978. [DOI: 10.1007/bf01935922] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Abstract
Catostomid fishes appear to have 2n(-->4n?) approximately 100 chromosomes. The Cyprinidae, from which catostomids probably diverged before the Eocene, usually have 2n = 48 or 50 chromosomes. Preliminary cytophotometric measurements indicate an approximate doubling of DNA content of cells among catostomids.
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Beçak W, Goissis G. DNA and RNA content in diploid and tetraploid amphibians. EXPERIENTIA 1971; 27:345-6. [PMID: 5546670 DOI: 10.1007/bf02138189] [Citation(s) in RCA: 29] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Abstract
A karyotype of the first known naturally occurring anuran polyploid in North America is described. Hyla versicolor, the common tree toad, is tetraploid (2n-->4n=48). Individual chromosmes representing, each set of four of the Hyla versicolor karyotype correspond closely with those of the diploid (2n = 24) Hyla andersonii karyotype.
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Beçak ML, Beçak W. Further studies on polyploid amphibians (Ceratophrydidae). 3. Meiotic aspects of the interspecific triploid hybrid: Odontophrynus cultripes (2n=22) x O. americanus (4n=44). Chromosoma 1970; 31:377-85. [PMID: 5490304 DOI: 10.1007/bf00285829] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Miller L, Brown DD. Variation in the activity of nucleolar organizers and their ribosomal gene content. Chromosoma 1969; 28:430-44. [PMID: 5364411 DOI: 10.1007/bf00284259] [Citation(s) in RCA: 79] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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