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Magalhães RF, K S Ramos E, Bandeira LN, Ferreira JS, Werneck FP, Anciães M, Bruschi DP. Integrative species delimitation uncovers hidden diversity within the Pithecopus hypochondrialis species complex (Hylidae, Phyllomedusinae) and its phylogeography reveals Plio-Pleistocene connectivity among Neotropical savannas. Mol Phylogenet Evol 2024; 190:107959. [PMID: 37918682 DOI: 10.1016/j.ympev.2023.107959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 10/25/2023] [Accepted: 10/27/2023] [Indexed: 11/04/2023]
Abstract
Despite their limited vagility and pronounced habitat heterogeneity in the tropics, many anuran species have unexpectedly extensive geographic ranges. One prominent example of this phenomenon is Pithecopus hypochondrialis, which is found in the Cerrado, Guianan savanna, and Llanos domains, as well as isolated tracts of savanna and open habitat within the Amazon Forest. The present study employs an integrative species delimitation approach to test the hypothesis that P. hypochondrialis is in fact a species complex. We also reconstruct the relationships among the lineages delimited here and other Pithecopus species. In this study, we employ Ecological Niche Modelling (ENM) and spatiotemporal phylogeographic reconstruction approaches to evaluate a multitude of scenarios of connectivity across the Neotropical savannas. We identified three divergent lineages, two of which have been described previously. The lineages were allocated to a lowland Pithecopus clade, although the relationships among these lineages are weakly supported. Both the ENM and the phylogeographic reconstruction highlight the occurrence of periods of connectivity among the Neotropical savannas over the course of the Pliocene and Pleistocene epochs. These processes extended from eastern Amazonia to the northern coast of Brazil. The findings of the present study highlight the presence of hidden diversity within P. hypochondrialis, and reinforce the need for a comprehensive taxonomic review. These findings also indicate intricate and highly dynamic patterns of connectivity across the Neotropical savannas that date back to the Pliocene.
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Affiliation(s)
- Rafael F Magalhães
- Department of Natural Sciences, Universidade Federal de São João del-Rei, Campus Dom Bosco, Praça Dom Helvécio, 70, São João del-Rei, MG 36301-160, Brazil; Postgraduate Programme in Zoology, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Avenida Antônio Carlos, 6627, Belo Horizonte, MG 31270-010, Brazil.
| | - Elisa K S Ramos
- Faculty of Philosophy and Natural Sciences, Department of Environmental Sciences, University of Basel, Bernoullistrasse 30, Basel 4056, Switzerland.
| | - Lucas N Bandeira
- Postgraduate Programme in Ecology, Instituto Nacional de Pesquisas da Amazônia, Avenida André Araújo, 2936, Manaus, AM 69067-375, Brazil.
| | - Johnny S Ferreira
- Postgraduate Programme in Genetics, Department of Genetics, Biological Sciences Sector, Universidade Federal do Paraná, Caixa Postal 19071, Curitiba, PR 81531-980, Brazil.
| | - Fernanda P Werneck
- Postgraduate Programme in Ecology, Instituto Nacional de Pesquisas da Amazônia, Avenida André Araújo, 2936, Manaus, AM 69067-375, Brazil; Scientific Biological Collections Program, Biodiversity Coordination, Instituto Nacional de Pesquisas da Amazônia, Avenida André Araújo, 2936, Manaus, AM 69067-375, Brazil.
| | - Marina Anciães
- Postgraduate Programme in Ecology, Instituto Nacional de Pesquisas da Amazônia, Avenida André Araújo, 2936, Manaus, AM 69067-375, Brazil; Scientific Biological Collections Program, Biodiversity Coordination, Instituto Nacional de Pesquisas da Amazônia, Avenida André Araújo, 2936, Manaus, AM 69067-375, Brazil.
| | - Daniel P Bruschi
- Postgraduate Programme in Genetics, Department of Genetics, Biological Sciences Sector, Universidade Federal do Paraná, Caixa Postal 19071, Curitiba, PR 81531-980, Brazil.
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Oswald CB, de Magalhães RF, Garcia PC, Santos FR, Neckel-Oliveira S. Integrative species delimitation helps to find the hidden diversity of the leaf-litter frog Ischnocnema manezinho (Garcia, 1996) (Anura, Brachycephalidae), endemic to the southern Atlantic Forest. PeerJ 2023; 11:e15393. [PMID: 37250715 PMCID: PMC10225124 DOI: 10.7717/peerj.15393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 04/20/2023] [Indexed: 05/31/2023] Open
Abstract
Background The delimitation of cryptic species is a challenge for biodiversity conservation. Anurans show high cryptic diversity levels, and molecular species delimitation methods could help identify putative new species. Additionally, species delimitation approaches can provide important results for cryptic species conservation, with integrative methods adding robustness to results. Ischnocnema manezinho was described from Santa Catarina Island (SCI), southern Brazil. More recently, some inventories indicated continental populations supposedly similar in morphology to it. If these records are confirmed as I. manezinho, it would likely change its endangered status on National Red List, removing the species from conservation agendas. We investigated the threatened frog Ischnocnema manezinho, to evaluate if the continental populations belong to this species or if they form an undescribed species complex. Methods We used coalescent, distance, and allele-sharing-based species delimitation methods and integrative analyses of morphometric and bioacoustics traits to test evolutionary independence between I. manezinho from SCI, Arvoredo Island, and continental populations. Results Ischnocnema manezinho is restricted to Santa Catarina Island, while the five remaining lineages should be further investigated through a taxonomic review. Our results point to a small geographic range of Ischnocnema manezinho. Additionally, the species occurs in isolated fragments of forest in SCI surrounded by expanding urban areas, confirming its status as Endangered. Thus, the protection and monitoring of I. manezinho and the taxonomic description of the continental and Arvoredo Island candidate species should be priorities.
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Affiliation(s)
- Caroline Batistim Oswald
- Programa de Pós-Graduação em Zoologia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Rafael Félix de Magalhães
- Programa de Pós-Graduação em Zoologia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Departamento de Ciências Naturais, Universidade Federal de São João del-Rei, São João del-Rei, Brazil
| | - Paulo C.A. Garcia
- Programa de Pós-Graduação em Zoologia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Departamento de Ecologia e Zoologia, Universidade Federal de Santa Catarina, Florianópolis, Brazil
| | - Fabrício R. Santos
- Programa de Pós-Graduação em Zoologia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Departamento de Genética, Ecologia e Evolução, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Selvino Neckel-Oliveira
- Programa de Pós-Graduação em Zoologia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Departamento de Ecologia e Zoologia, Universidade Federal de Santa Catarina, Florianópolis, Brazil
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Borzée A, Litvinchuk SN, Ri K, Andersen D, Nam TY, Jon GH, Man HS, Choe JS, Kwon S, Othman SN, Messenger K, Bae Y, Shin Y, Kim A, Maslova I, Luedtke J, Hobin L, Moores N, Seliger B, Glenk F, Jang Y. Update on Distribution and Conservation Status of Amphibians in the Democratic People's Republic of Korea: Conclusions Based on Field Surveys, Environmental Modelling, Molecular Analyses and Call Properties. Animals (Basel) 2021; 11:2057. [PMID: 34359183 PMCID: PMC8300379 DOI: 10.3390/ani11072057] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 05/25/2021] [Accepted: 07/01/2021] [Indexed: 11/17/2022] Open
Abstract
Determining the range, status, ecology and behaviour of species from areas where surveys and samplings are uncommon or difficult to conduct is a challenge, such as in the Democratic People's Republic of Korea (DPR Korea). Here, we used genetic samples, field surveys, call recordings, photographic identification and a literature review to estimate the presence, range and status of amphibians in the DPR Korea. From our combined results and based on the IUCN Red List categories and criteria, we were able to estimate the national threat levels for most species. Our results demonstrated the presence of 18 native species and the suspected presence of Karsenia koreana and two Onychodactylus species. We reported the first record for Rana uenoi in the vicinity of Pyongyang using molecular tools and similarly confirmed the presence of Dryophytes japonicus at the same location. Based on distribution and modelling, we can expect the contact zone between species within the Rana and Onychodactylus genera to be located along the Changbai Massif, a mountain range that marks a shift in ecoregions and acts as a barrier to dispersion. The species richness was higher in the lowlands and at lower latitudes, with such areas populated by up to 11 species, while more northern regions were characterised by species richness of about half of that value. The combination of ecological models and known threats resulted in the recommendation of ten species as threatened at the national level following the IUCN Red List categories and criteria. This high number of threatened species was anticipated based on the high threat level to amphibians in bordering nations and globally. While the ecology of species in the DPR Korea is still understudied, we argue that species relying on agricultural wetlands such as rice paddies are not under imminent threat due to the enduring presence of extensive agricultural landscapes with low rates of chemical use and mechanisation. The maintenance of such landscapes is a clear benefit to amphibian species, in contrast to more industrialised agricultural landscapes in neighbouring nations. In comparison, the status of species dependent on forested habitats is unclear and threat levels are likely to be higher because of deforestation, as in neighbouring nations.
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Affiliation(s)
- Amaël Borzée
- Laboratory of Animal Behaviour and Conservation, College of Biology and the Environment, Nanjing Forestry University, 159 Longpan Rd, Nanjing 210037, China; (Y.B.); (Y.S.)
- Amphibian Specialist Group, IUCN Species Survival Commission, Toronto, ON L5A, Canada; (J.L.); (L.H.)
| | - Spartak N. Litvinchuk
- Institute of Cytology, Russian Academy of Sciences, Tikhoretsky pr. 4, 194064 St. Petersburg, Russia;
- Department of Zoology and Physiology, Dagestan State University, Gadzhiyev str. 43-a, Makhachkala, 3367000 Dagestan, Russia
| | - Kyongsim Ri
- Department of International Economic Cooperation, Ministry of Land and Environment Protection, Pyongyang, Democratic People’s Republic of Korea
| | - Desiree Andersen
- Interdisciplinary Program of Eco Creative, Ewha Womans University, Seoul 03760, Korea; (D.A.); (S.K.); (S.N.O.); (A.K.)
| | - Tu Yong Nam
- Institute of Zoology, State Academy of Science, Daesong-dong, Daesong District, Pyongyang, Democratic People’s Republic of Korea
| | - Gwang Hyok Jon
- Department of Ecology, State Academy of Science, Daesong-dong, Daesong District, Pyongyang, Democratic People’s Republic of Korea
| | - Ho Song Man
- Department of Ecology, Life Science College, Kim Il Sung University, Ryongnam-dong, Daesong-dong, Daesong District, Pyongyang, Democratic People’s Republic of Korea
| | - Jong Sik Choe
- Department of Ecology, Life Science College, Kim Il Sung University, Ryongnam-dong, Daesong-dong, Daesong District, Pyongyang, Democratic People’s Republic of Korea
| | - Sera Kwon
- Interdisciplinary Program of Eco Creative, Ewha Womans University, Seoul 03760, Korea; (D.A.); (S.K.); (S.N.O.); (A.K.)
| | - Siti N. Othman
- Interdisciplinary Program of Eco Creative, Ewha Womans University, Seoul 03760, Korea; (D.A.); (S.K.); (S.N.O.); (A.K.)
| | - Kevin Messenger
- Herpetology and Applied Conservation Lab, College of Biology and the Environment, Nanjing Forestry University, 159 Longpan Rd, Nanjing 210037, China;
| | - Yoonhyuk Bae
- Laboratory of Animal Behaviour and Conservation, College of Biology and the Environment, Nanjing Forestry University, 159 Longpan Rd, Nanjing 210037, China; (Y.B.); (Y.S.)
- Interdisciplinary Program of Eco Creative, Ewha Womans University, Seoul 03760, Korea; (D.A.); (S.K.); (S.N.O.); (A.K.)
| | - Yucheol Shin
- Laboratory of Animal Behaviour and Conservation, College of Biology and the Environment, Nanjing Forestry University, 159 Longpan Rd, Nanjing 210037, China; (Y.B.); (Y.S.)
| | - Ajoung Kim
- Interdisciplinary Program of Eco Creative, Ewha Womans University, Seoul 03760, Korea; (D.A.); (S.K.); (S.N.O.); (A.K.)
| | - Irina Maslova
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch of Russian Academy of Sciences, 690022 Vladivostok, Russia;
| | - Jennifer Luedtke
- Amphibian Specialist Group, IUCN Species Survival Commission, Toronto, ON L5A, Canada; (J.L.); (L.H.)
- Re:wild, Austin, TX 78746, USA
| | - Louise Hobin
- Amphibian Specialist Group, IUCN Species Survival Commission, Toronto, ON L5A, Canada; (J.L.); (L.H.)
| | - Nial Moores
- Birds Korea, 101-1902, Hyundai I Park, Busan 48559, Korea;
| | | | - Felix Glenk
- Hanns Seidel Foundation, Seoul 04419, Korea; (B.S.); (F.G.)
| | - Yikweon Jang
- Department of Life Sciences and Division of EcoScience, Ewha Womans University, Seoul 03760, Korea;
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Gama JM, Gazolla CB, de Souza DY, Recco-Pimentel SM, Bruschi DP. Recurrent variation in the active NOR sites in the monkey frogs of the genus Pithecopus Cope, 1866 (Phyllomedusidae, Anura). COMPARATIVE CYTOGENETICS 2019; 13:325-338. [PMID: 31681462 PMCID: PMC6817578 DOI: 10.3897/compcytogen.v13i4.37687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 09/20/2019] [Indexed: 06/10/2023]
Abstract
Treefrogs of the genus Pithecopus Cope, 1866 exhibit expressive chromosomal homogeneity which contrasts with a high variation frequency of the nucleolus organizer region (NOR) related to the group. Currently, the genus contains eleven species and no chromosomal data are available on P. palliatus Peters, 1873, P. ayeaye Lutz, 1966 and P. megacephalus Miranda-Ribeiro, 1926. Here, we describe the karyotypes of these three species based on Giemsa staining, C-banding, silver impregnation and in situ hybridization (FISH). We were also analyze the evolutionary dynamic of the NOR-bearing chromosome in species of genus under a phylogenetic view. The results indicate that P. palliatus, P. ayeaye, and P. megacephalus have similar karyotypes, which are typical of the genus Pithecopus. In P. palliatus the NOR was detected in the pericentromeric region of pair 9p whereas in P. ayeaye and P. megacephalus we report cases of the multiple NOR sites in karyotypes. In P. ayeaye the NOR was detected in the pericentromeric region of pair 9p in both homologues and additional sites was detected in pairs 3q, 4p, and 8q, all confirmed by FISH experiments. Already in P. megacephalus the NOR sites were detected in pericentromeric region homologues of pair 8q and additionally in one chromosome of pair 13q. A comparative overview of all the Pithecopus karyotypes analyzed up to now indicates the recurrence of the NOR-bearing chromosome pairs and the position of the NORs sites on these chromosomes. We hypothesized that this feature is a result of a polymorphic condition present in the common ancestor of Pithecopus. In such case, the lineages derived from polymorphic ancestor have reached fixation independently after divergence of lineages, resulting in a high level of homoplasy observed in this marker. Our findings help to fill the gaps in the understanding of the karyotype of the genus Pithecopus and reinforce the role of the evolutionary dynamics of the rDNA genes in karyotype diversification in this group.
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Affiliation(s)
- Joana Moura Gama
- Programa de Pós-Graduação em Genética (PPG-GEN). Departamento de Genética, Universidade Federal do Paraná (UFPR), Setor de Biológicas, Av. Coronel Francisco H. Dos Santos, 100, 81531-980, Curitiba, PR, BrazilUniversidade Federal do ParanáCuritibaBrazil
| | - Camilla Borges Gazolla
- Programa de Pós-Graduação em Genética (PPG-GEN). Departamento de Genética, Universidade Federal do Paraná (UFPR), Setor de Biológicas, Av. Coronel Francisco H. Dos Santos, 100, 81531-980, Curitiba, PR, BrazilUniversidade Federal do ParanáCuritibaBrazil
| | - Deborah Yasmin de Souza
- Programa de Pós-Graduação em Genética (PPG-GEN). Departamento de Genética, Universidade Federal do Paraná (UFPR), Setor de Biológicas, Av. Coronel Francisco H. Dos Santos, 100, 81531-980, Curitiba, PR, BrazilUniversidade Federal do ParanáCuritibaBrazil
| | - Shirlei Maria Recco-Pimentel
- Departamento de Biologia Estrutural and Funcional, Universidade Estadual de Campinas (UNICAMP), Cidade Universitária, 13083-863, Campinas, SP, BrazilUniversidade Estadual de CampinasCampinasBrazil
| | - Daniel Pacheco Bruschi
- Programa de Pós-Graduação em Genética (PPG-GEN). Departamento de Genética, Universidade Federal do Paraná (UFPR), Setor de Biológicas, Av. Coronel Francisco H. Dos Santos, 100, 81531-980, Curitiba, PR, BrazilUniversidade Federal do ParanáCuritibaBrazil
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Cryptic diversity in Brazilian endemic monkey frogs (Hylidae, Phyllomedusinae, Pithecopus) revealed by multispecies coalescent and integrative approaches. Mol Phylogenet Evol 2019; 132:105-116. [DOI: 10.1016/j.ympev.2018.11.022] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Revised: 11/29/2018] [Accepted: 11/30/2018] [Indexed: 11/22/2022]
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Martino AL, Dehling JM, Sinsch U. Integrative taxonomic reassessment of Odontophrynus populations in Argentina and phylogenetic relationships within Odontophrynidae (Anura). PeerJ 2019; 7:e6480. [PMID: 30828491 PMCID: PMC6394351 DOI: 10.7717/peerj.6480] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Accepted: 01/20/2019] [Indexed: 11/20/2022] Open
Abstract
Amphibians are the most vulnerable vertebrates to biodiversity loss mediated by habitat destruction, climate change and diseases. Informed conservation management requires improving the taxonomy of anurans to assess reliably the species' geographic range. The genus Odontophrynus that is geographically refined to Argentina, Bolivia, Brazil, Uruguay and Paraguay includes currently 12 nominal species with many populations of uncertain taxonomic assignment and subsequently unclear geographic ranges. In this study, we applied integrative taxonomic methods combining molecular (mitochondrial 16S gene), allozyme, morphological and bioacoustic data to delimit species of the genus Odontophrynus sampled from throughout Argentina where most species occur. The combined evidence demonstrates one case of cryptic diversity and another of overestimation of species richness. The populations referred to as O. americanus comprise at least three species. In contrast, O. achalensis and O. barrioi represent junior synonyms of the phenotypically plastic species O. occidentalis. We conclude that each of the four species occurring in Argentina inhabits medium to large areas. The Red List classification is currently "Least Concern". We also propose a phylogenetic hypothesis for the genus and associated genera Macrogenioglottus and Proceratophrys (Odontophrynidae).
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Affiliation(s)
- Adolfo Ludovico Martino
- Department of Ecology, National University of Rio Cuarto, Rio Cuarto (Cordoba), Argentina
- Department of Biology, Institute of Integrated Sciences, University of Koblenz-Landau, Koblenz, Germany
| | - Jonas Maximilian Dehling
- Department of Biology, Institute of Integrated Sciences, University of Koblenz-Landau, Koblenz, Germany
| | - Ulrich Sinsch
- Department of Biology, Institute of Integrated Sciences, University of Koblenz-Landau, Koblenz, Germany
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