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Mari-Ribeiro IP, Scorsim B, Ranucci L, Borin-Carvalho LA, Oliveira AVD, Portela-Castro ALDB. Integrating Genetic and Cytogenetic Data: A Diversity Study of Astyanax and Psalidodon (Characidae) Species from the Paraná River Basin. Zebrafish 2024; 21:300-309. [PMID: 38813664 DOI: 10.1089/zeb.2024.0134] [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] [Indexed: 05/31/2024] Open
Abstract
Astyanax is one of the most specious fish groups in the Neotropical region, with many cryptic species, which represents a challenge for correct identification through traditional taxonomic methods. Psalidodon is a recently resurrected genus group of species previously belonging to Astyanax, specifically those with extensive chromosomal variation of the A. scabripinnis and fasciatus complexes. In the present study, the mitochondrial genes cytochrome c oxidase subunit 1 (COI), mitochondrial ATP synthase 6 and 8 (ATPase 6/8), and NADH dehydrogenase subunit 2 (ND2) were used in conjunction with chromosomal data to characterize molecularly and cytogenetically populations of Astyanax and Psalidodon from rivers and streams of the Ivaí River Basin (Paraná Basin). The results demonstrated the effectiveness of the integrative use of molecular and cytogenetic techniques, with the confirmation of at least three species for the sampled sites: A. lacustris, P. paranae, and P. fasciatus, which showed inter- and intrapopulation karyotype variations. In addition, extensive haplotypic variation can be observed for these species within the Ivaí River Basin and throughout the Paraná River Basin. The data demonstrate a hidden diversity among the species analyzed, enrich the ichthyofaunistic knowledge of small rivers and streams, and contribute to future conservation projects in these areas.
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Affiliation(s)
- Isabelle Pereira Mari-Ribeiro
- Departamento de Biotecnologia, Genética e Biologia Celular (DBC), Universidade Estadual de Maringá (UEM), Maringá, Brazil
| | - Bárbara Scorsim
- Programa de Pós-graduação em Ecologia de Ambientes Aquáticos Continentais (PEA), Centro de Ciências Biológicas, Universidade Estadual de Maringá (UEM), Maringá, Brazil
| | - Leandro Ranucci
- Departamento de Biotecnologia, Genética e Biologia Celular (DBC), Universidade Estadual de Maringá (UEM), Maringá, Brazil
| | - Luciana Andréia Borin-Carvalho
- Departamento de Biotecnologia, Genética e Biologia Celular (DBC), Universidade Estadual de Maringá (UEM), Maringá, Brazil
| | - Alessandra Valéria de Oliveira
- Departamento de Biotecnologia, Genética e Biologia Celular (DBC), Universidade Estadual de Maringá (UEM), Maringá, Brazil
- Programa de Pós-graduação em Ecologia de Ambientes Aquáticos Continentais (PEA), Centro de Ciências Biológicas, Universidade Estadual de Maringá (UEM), Maringá, Brazil
- Núcleo de Pesquisas em Limnologia, Ictiologia e Aquicultura-Nupélia, Centro de Ciências Biológicas, Universidade Estadual de Maringá (UEM), Maringá, Brazil
| | - Ana Luiza de Brito Portela-Castro
- Departamento de Biotecnologia, Genética e Biologia Celular (DBC), Universidade Estadual de Maringá (UEM), Maringá, Brazil
- Núcleo de Pesquisas em Limnologia, Ictiologia e Aquicultura-Nupélia, Centro de Ciências Biológicas, Universidade Estadual de Maringá (UEM), Maringá, Brazil
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Gavazzoni M, Brezinski FC, Pedroso TH, Pavanelli CS, Graça WJD, Blanco DR, Lui RL, Margarido VP. Integrative Taxonomy Suggests Resurrection of Species of the Astyanax bimaculatus Group (Characiformes, Characidae). Zebrafish 2024. [PMID: 38980839 DOI: 10.1089/zeb.2024.0132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/11/2024] Open
Abstract
Using integrative tools can be effective for species identification, especially in complex groups like Astyanax. Astyanax bimaculatus group is composed of six valid species, including A. lacustris. "A. altiparanae", "A. asuncionensis", and "A. jacuhiensis" are considered as junior synonyms of A. lacustris. Seeking to test the operational taxonomic unit (OTU) status of the junior synonyms of A. lacustris ("A. altiparanae", "A. asuncionensis", and "A. jacuhiensis"), we used analyses through mitochondrial DNA (COI and Cytb), cytogenetic markers (classical and molecular), and morphometry ("truss network"). Analysis of mitochondrial DNA sequences separated A. lacustris from the other synonymized species. The cytogenetic and morphometric analyses did not corroborate the synonymization and suggest that besides A. lacustris, the OTUs A. altiparanae, A. asuncionensis, and A. jacuhiensis are valid species. The analysis of different characters proposed by the integrative taxonomy used on the same individuals could provide greater reliability and minimize the underestimation of biodiversity.
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Affiliation(s)
- Mariane Gavazzoni
- Universidade Estadual do Oeste do Paraná, Pós-Graduação em Conservação e Manejo de Recursos Naturais, Cascavel, Brazil
| | - Flavia C Brezinski
- Universidade Estadual do Oeste do Paraná, Pós-Graduação em Conservação e Manejo de Recursos Naturais, Cascavel, Brazil
| | - Thiago H Pedroso
- Universidade Estadual de Maringá, Programa de Pós-Graduação em Ecologia de Ambientes Aquáticos Continentais, Maringá, Brazil
| | - Carla S Pavanelli
- Universidade Estadual de Maringá, Programa de Pós-Graduação em Ecologia de Ambientes Aquáticos Continentais, Maringá, Brazil
- Universidade Estadual de Maringá, Centro de Ciências Biológicas, Núcleo de Pesquisas em Limnologia, Ictiologia e Aquicultura, Maringá, Brazil
| | - Weferson J da Graça
- Universidade Estadual de Maringá, Programa de Pós-Graduação em Ecologia de Ambientes Aquáticos Continentais, Maringá, Brazil
- Universidade Estadual de Maringá, Centro de Ciências Biológicas, Núcleo de Pesquisas em Limnologia, Ictiologia e Aquicultura, Maringá, Brazil
- Departamento de Biologia, Universidade Estadual de Maringá, Centro de Ciências Biológicas, Maringá, Brazil
| | - Daniel R Blanco
- Universidade Tecnológica Federal do Paraná, Campus Santa Helena, Santa Helena, Brazil
| | - Roberto L Lui
- Universidade Estadual do Oeste do Paraná, Pós-Graduação em Conservação e Manejo de Recursos Naturais, Cascavel, Brazil
| | - Vladimir P Margarido
- Universidade Estadual do Oeste do Paraná, Pós-Graduação em Conservação e Manejo de Recursos Naturais, Cascavel, Brazil
- Universidade Estadual de Maringá, Programa de Pós-Graduação em Ecologia de Ambientes Aquáticos Continentais, Maringá, Brazil
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Pires ICC, Souza FB, Silva ATDA. Trophic plasticity of tetra-fish, Psalidodon aff. fasciatus (Cuvier, 1819) (Characidae), in an Atlantic Forest stream of Northeast Brazil. AN ACAD BRAS CIENC 2024; 96:e20230652. [PMID: 38922275 DOI: 10.1590/0001-3765202420230652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 02/23/2024] [Indexed: 06/27/2024] Open
Abstract
Trophic plasticity is a distinctive feature of freshwater fishes, representing an essential strategy for fish living in resource-variable environments. We analyzed the stomach contents of individuals sampled in two Atlantic Forest streams to identify the primary food sources consumed by Psalidodon aff. fasciatus and verify the existence of spatial, seasonal, and ontogenetic variations. The diet was determined by analyzing the stomach contents using the Volume Method to quantify the importance of food items. In general, Psalidodon aff. fasciatus was classified as an omnivorous species, consuming mainly insects, plant material, and filamentous algae. The results also showed significant effects for all factors considered (spatial, seasonal, and ontogenetic). Finally, Psalidodon aff. fasciatus demonstrated considerable trophic plasticity, which can result in better use of available resources in the environment and improved resource partitioning, reducing intraspecific and interspecific competition.
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Affiliation(s)
- Ingrid Caroline C Pires
- Programa de Pós-Graduação em Ecologia e Evolução, Universidade Estadual de Feira de Santana, Departamento de Ciências Biológicas, Av. Transnordestina, s/n, Novo Horizonte, 44036-900 Feira de Santana, BA, Brazil
| | - Fabiane B Souza
- Instituto Federal de Educação, Ciência e Tecnologia Baiano, Campus Santa Inês, BR 420, Rodovia Santa Inês - Ubaíra, Zona Rural, 45320-000 Ubaíra, BA, Brazil
| | - André T DA Silva
- Universidade Estadual de Feira de Santana, Departamento de Ciências Biológicas, Laboratório de Ictiologia, Av. Transnordestina, s/n, Novo Horizonte, 44036-900 Feira de Santana, BA, Brazil
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Gavazzoni M, Pavanelli CS, Graça WJ, De Oliveira EA, Moreira-Filho O, Margarido VP. Species delimitation in Psalidodon fasciatus (Cuvier, 1819) complex (Teleostei: Characidae) from three hydrographic basins. Biol J Linn Soc Lond 2022. [DOI: 10.1093/biolinnean/blac139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Abstract
Psalidodon fasciatus is a complex of several fish species widely distributed in Brazilian hydrographic systems that share morphological characteristics and show a high taxonomic complexity and genetic variability. Cytogenetic and molecular analyses were carried out in populations from three Brazilian hydrographic basins, aiming to contribute to systematic and biogeographical knowledge of the group. The chromosomal markers verified the occurrence of species-specific characters and indicated the existence of six distinct operational taxonomic units (OTUs): P. fasciatus (São Francisco River basin), Psalidodon sp. 1, Psalidodon sp. 2 and Psalidodon eigenmanniorum (Uruguay River basin); and Psalidodon sp. 3 and Psalidodon sp. 4 (Paraná River basin). The chromosomal markers showed more similarities among species from the Uruguay River and São Francisco River basins. DNA barcoding analyses (assemble species by automatic partitioning, neighbour-joining, maximum likelihood and maximum parsimony) indicated the existence of at least three distinct OTUs. The chromosomal evolution rates were demonstrated to be higher than the molecular evolution rates, reinforcing the importance of using chromosomal markers to delimit OTUs in integrative taxonomy studies. These results suggest that the São Francisco River Basin population (the type locality) should be considered as true P. fasciatus, and the others, until now treated as Psalidodon aff. fasciatus, are cryptic species.
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Affiliation(s)
- Mariane Gavazzoni
- Centro de Ciências Biológicas e da Saúde, Universidade Estadual do Oeste do Paraná , Cascavel, Paraná , Brazil
- Pós-graduação em Biologia Comparada, Centro de Ciências Biológicas, Universidade Estadual de Maringá , Maringá, Paraná , Brazil
| | - Carla S Pavanelli
- Pós-graduação em Biologia Comparada, Centro de Ciências Biológicas, Universidade Estadual de Maringá , Maringá, Paraná , Brazil
- Núcleo de Pesquisas em Limnologia, Ictiologia e Aquicultura (Nupélia), Centro de Ciências Biológicas, Universidade Estadual de Maringá , Maringá, Paraná , Brazil
| | - Weferson J Graça
- Pós-graduação em Biologia Comparada, Centro de Ciências Biológicas, Universidade Estadual de Maringá , Maringá, Paraná , Brazil
- Núcleo de Pesquisas em Limnologia, Ictiologia e Aquicultura (Nupélia), Centro de Ciências Biológicas, Universidade Estadual de Maringá , Maringá, Paraná , Brazil
- Departamento de Biologia, Centro de Ciências Biológicas, Universidade Estadual de Maringá , Maringá, Paraná , Brazil
| | - Ezequiel A De Oliveira
- Secretaria de Estado de Educação do Mato Grosso, São Felix do Araguaia , Mato Grosso , Brazil
| | - Orlando Moreira-Filho
- Departamento de Genética e Evolução, Universidade Federal de São Carlos , São Carlos, São Paulo , Brazil
| | - Vladimir P Margarido
- Centro de Ciências Biológicas e da Saúde, Universidade Estadual do Oeste do Paraná , Cascavel, Paraná , Brazil
- Pós-graduação em Biologia Comparada, Centro de Ciências Biológicas, Universidade Estadual de Maringá , Maringá, Paraná , Brazil
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Fernandes CA, Paiz LM, Piscor D, Gavazzoni M, Carvalho LABD, Portela-Castro ALDB, Margarido VP. Chromosomal Diversity in Two Allopatric Populations of Farlowella hahni Meinken 1937 (Teleostei: Siluriformes): Cytogenetics and Cytochrome b Analyses. Zebrafish 2021; 18:66-72. [PMID: 33538653 DOI: 10.1089/zeb.2020.1966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Farlowella is the second richest genus in Loricariinae, broadly distributed in freshwater streams and rivers of South America. In this article, we aimed to expand on the cytogenetic and molecular data available for two allopatric populations of Farlowella hahni. Both populations had diploid chromosome number 58, but with karyotype differences, indicative of chromosomal rearrangements. C-banding showed large heterochromatic blocks at telomeric regions in acrocentric chromosomes in both populations. Fluorescence in situ hybridization (FISH) revealed a single 18S rDNA site in both populations and a single 5S rDNA site for individuals from lower Paraná River basin (native region) and multiple 5S rDNA sites for individuals from upper Paraná River basin (non-native region). Mitochondrial sequence analyses did not separate the two F. hahni populations. The cytogenetic and molecular data obtained are relevant in a preliminary study and suggested the existence of cryptic diversity and the hypothesis that at least two Farlowella lineages may coexist in the Paraná basin.
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Affiliation(s)
- Carlos Alexandre Fernandes
- Departamento de Biotecnologia, Genética e Biologia Celular, Universidade Estadual de Maringá, Maringá, Brazil.,Programa de Pós-Graduação em Biologia Comparada, Universidade Estadual de Maringá, Maringá, Brazil
| | - Leonardo Marcel Paiz
- Programa de Pós-Graduação em Biologia Comparada, Universidade Estadual de Maringá, Maringá, Brazil.,Centro de Ciências Biológicas e da Saúde, Universidade Estadual do Oeste do Paraná, Cascavel, Brazil
| | - Diovani Piscor
- Universidade Estadual de Mato Grosso do Sul, Unidade Universitária de Mundo Novo, Dourados, Brazil
| | - Mariane Gavazzoni
- Programa de Pós-Graduação em Biologia Comparada, Universidade Estadual de Maringá, Maringá, Brazil.,Centro de Ciências Biológicas e da Saúde, Universidade Estadual do Oeste do Paraná, Cascavel, Brazil
| | | | | | - Vladimir Pavan Margarido
- Programa de Pós-Graduação em Biologia Comparada, Universidade Estadual de Maringá, Maringá, Brazil.,Centro de Ciências Biológicas e da Saúde, Universidade Estadual do Oeste do Paraná, Cascavel, Brazil
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Takagui FH, Baumgärtner L, Venturelli NB, Paiz LM, Viana P, Dionísio JF, Pompeo LRS, Margarido VP, Fenocchio AS, da Rosa R, Giuliano-Caetano L. Unrevealing the Karyotypic Evolution and Cytotaxonomy of Armored Catfishes (Loricariinae) with Emphasis in Sturisoma, Loricariichthys, Loricaria, Proloricaria, Pyxiloricaria, and Rineloricaria. Zebrafish 2020; 17:319-332. [PMID: 32985966 DOI: 10.1089/zeb.2020.1893] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
This study provides new insight into the chromosomal diversification in Loricariinae. We analyzed nine species from different Brazilian hydrographic basins, using conventional and molecular cytogenetic methods, aiming to understand the karyotypic diversification, and contribute with cytotaxonomic markers in this group considered one of the most diverse of Loricariidae. Our results evidenced a high karyotypic variability in diploid number (2n) ranging from 2n = 54 (Loricariichthys platymetopon and Loricariichthys anus), 2n = 60 (Rineloricaria reisi and Rineloricaria parva), 2n = 62 (Proloricaria prolixa), 2n = 64 (Loricaria cataphracta complex species), 2n = 66 (Sturisoma barbatum), and 2n = 68 (Pyxiloricaria menezesi). Different patterns of 18S and 5S ribosomal DNA (rDNA) were also identified, while slight divergences in heterochromatin distribution were observed. This high variability is probably related with independent events of Robertsonian translocations, pericentric inversions, and different mechanisms of rDNA sites dispersion (nonreciprocal translocation and transposable element [TEs] co-localization). In addition, our study provides a set of efficient chromosomal markers for the characterization of all analyzed species, and certainly, in future analyzes, will contribute as a useful cytotaxonomic tool in groups where the traditional taxonomy based on morphological data are not sufficient to clarify their relationship.
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Affiliation(s)
- Fábio Hiroshi Takagui
- Animal Cytogenetics Laboratory, Department of General Biology, CCB, Londrina State University, Londrina, Brazil
| | - Lucas Baumgärtner
- Cytogenetic Laboratory, Center for Biological and Health Sciences, Western Paraná State University, Cascavel, Brazil
| | | | - Leonardo Marcel Paiz
- Cytogenetic Laboratory, Center for Biological and Health Sciences, Western Paraná State University, Cascavel, Brazil
| | - Patrik Viana
- Laboratory of Animal Genetics, National Institute of Amazonian Research, Manaus, Brazil
| | - Jaqueline Fernanda Dionísio
- Animal Cytogenetics Laboratory, Department of General Biology, CCB, Londrina State University, Londrina, Brazil
| | - Luis Ricardo Santana Pompeo
- Animal Cytogenetics Laboratory, Department of General Biology, CCB, Londrina State University, Londrina, Brazil
| | - Vladimir Pavan Margarido
- Cytogenetic Laboratory, Center for Biological and Health Sciences, Western Paraná State University, Cascavel, Brazil
| | | | - Renata da Rosa
- Animal Cytogenetics Laboratory, Department of General Biology, CCB, Londrina State University, Londrina, Brazil
| | - Lucia Giuliano-Caetano
- Animal Cytogenetics Laboratory, Department of General Biology, CCB, Londrina State University, Londrina, Brazil
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