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Takagui FH, Viana P, Haerter CAG, Zuanon J, Birindelli JLO, Lui RL, Feldberg E, Margarido VP. Chromosomal analysis of two Acanthodoras species (Doradidae, Siluriformes): Insights into the oldest thorny catfish clade and its karyotype evolution. JOURNAL OF FISH BIOLOGY 2024. [PMID: 39007200 DOI: 10.1111/jfb.15863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 05/29/2024] [Accepted: 06/18/2024] [Indexed: 07/16/2024]
Abstract
The Doradidae fishes constitute one of the most diverse groups of Neotropical freshwater environments. Acanthodoradinae is the oldest lineage and the sister group to all other thorny catfishes, and it includes only the genus Acanthodoras. The diversity of Acanthodoras remains underestimated, and the use of complementary approaches, including genetic studies, is an important step to better characterize this diversity and the relationships among the species within the genus. Therefore, we conducted a comprehensive analysis using conventional cytogenetic techniques and physical mapping of three multigene families (18S and 5S ribosomal DNA [rDNA], U2 small nuclear DNA [snDNA]) and four microsatellite motifs, namely (AC)n, (AT)n, (GA)n, and (GATA)n, in two sympatric species from the Negro River: Acanthodoras cataphractus and Acanthodoras cf. polygrammus. We found significant differences in constitutive heterochromatin (CH) content, distribution of the microsatellite (AT)n, and the number of 5S rDNA and U2 snDNA sites. These differences may result from chromosome rearrangements and repetitive DNA dispersal mechanisms. Furthermore, the characterization of the diploid number (2n) of these Acanthodoras species enables us to propose 2n = 58 chromosomes as the plesiomorphic 2n state in Doradidae based on ancestral state reconstruction. Acanthodoradinae is the oldest lineage of the thorny catfishes, and knowledge about its cytogenetic patterns is crucial for disentangling the karyotype evolution of the whole group. Thus, this study contributes to the understanding of the mechanisms behind chromosome diversification of Doradidae and highlights the importance of Acanthodoradinae in the evolutionary history of thorny catfishes.
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Affiliation(s)
- Fábio Hiroshi Takagui
- Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia, Manaus, Brazil
| | - Patrik Viana
- Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia, Manaus, Brazil
| | | | - Jansen Zuanon
- Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia, Manaus, Brazil
| | - José Luís Olivan Birindelli
- Museu de Zoologia, Departamento de Biologia Animal e Vegetal, Universidade Estadual de Londrina, Londrina, Brazil
| | - Roberto Laridondo Lui
- Laboratório de Citogenética, Centro de Ciĉncias Biológicas e da Saúde, Cascavel, Brazil
| | - Eliana Feldberg
- Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia, Manaus, Brazil
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2
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Kowalski S, Haerter CAG, Perin DP, Takagui FH, Viana PF, Feldberg E, Blanco DR, Traldi JB, Giuliano-Caetano L, Lui RL. Karyotypic characterization of Centromochlus schultzi Rössel 1962 (Auchenipteridae, Centromochlinae) from the Xingu River basin: New inferences on chromosomal evolution in Centromochlus. Genet Mol Biol 2024; 47:e20230105. [PMID: 38530404 PMCID: PMC10993310 DOI: 10.1590/1678-4685-gmb-2023-0105] [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: 04/13/2023] [Accepted: 08/20/2023] [Indexed: 03/28/2024] Open
Abstract
Centromochlinae is a widely diverse subfamily with more than 50 species and several taxonomic conflicts due to morphological similarity between Tatia and Centromochlus species. However, cytogenetic studies on this group have been limited to only four species so far. Therefore, here we present the karyotype of Centromochlus schultzi from the Xingu River in Brazil using classic cytogenetic techniques, physical mapping of the 5S and 18S rDNAs, and telomeric sequences (TTAGGG)n. The species had 58 chromosomes, simple NORs and 18S rDNA sites. Heterochromatic regions were detected on the terminal position of most chromosomes, including pericentromeric and centromeric blocks that correspond to interstitial telomeric sites. The 5S rDNA had multiple sites, including a synteny with the 18S rDNA in the pair 24st, which is an ancestral feature for Doradidae, sister group of Auchenipteridae, but appears to be a homoplastic trait in this species. So far, C. schultzi is only the second species within Centromochlus to be karyotyped, but it has already presented characteristics with great potential to assist in future discussions on taxonomic issues in the subfamily Centromochlinae, including the first synteny between rDNAs in Auchenipteridae and also the presence of heterochromatic ITSs that could represent remnants of ancient chromosomal fusions.
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Affiliation(s)
- Samantha Kowalski
- Universidade Estadual de Londrina, Centro de Ciências Biológicas,
Londrina, PR, Brazil
- Universidade Estadual do Oeste do Paraná, Centro de Ciências
Biológicas e da Saúde, Cascavel, PR, Brazil
| | - Chrystian Aparecido Grillo Haerter
- Universidade Estadual do Oeste do Paraná, Centro de Ciências
Biológicas e da Saúde, Cascavel, PR, Brazil
- Instituto Nacional de Pesquisas da Amazônia, Coordenação de
Biodiversidade, Manaus, AM, Brazil
| | - Diana Paula Perin
- Universidade Estadual do Oeste do Paraná, Centro de Ciências
Biológicas e da Saúde, Cascavel, PR, Brazil
| | - Fábio Hiroshi Takagui
- Instituto Nacional de Pesquisas da Amazônia, Coordenação de
Biodiversidade, Manaus, AM, Brazil
| | - Patrik Ferreira Viana
- Instituto Nacional de Pesquisas da Amazônia, Coordenação de
Biodiversidade, Manaus, AM, Brazil
| | - Eliana Feldberg
- Instituto Nacional de Pesquisas da Amazônia, Coordenação de
Biodiversidade, Manaus, AM, Brazil
| | | | | | | | - Roberto Laridondo Lui
- Universidade Estadual do Oeste do Paraná, Centro de Ciências
Biológicas e da Saúde, Cascavel, PR, Brazil
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3
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Contributions to Trachelyopterus (Siluriformes: Auchenipteridae) species diagnosis by cytotaxonomic autapomorphies: from U2 snRNA chromosome polymorphism to rDNA and histone gene synteny. ORG DIVERS EVOL 2022. [DOI: 10.1007/s13127-022-00560-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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4
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Takagui FH, Baumgärtner L, Viana P, Lima MCC, Bitencourt JDA, Venere PC, Lui RL, Moreira-Filho O, Feldberg E, Almeida Simões F, Birindelli JL, Giuliano-Caetano L. Karyotype Evolution of Talking Thorny Catfishes Anadoras (Doradidae, Astrodoradinae): A Process Mediated by Structural Rearrangements and Intense Reorganization of Repetitive DNAs. Cytogenet Genome Res 2022; 162:64-75. [PMID: 35500552 DOI: 10.1159/000523747] [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: 06/28/2021] [Accepted: 02/17/2022] [Indexed: 11/19/2022] Open
Abstract
Anadoras is a thorny catfish genus widespread through the Amazon and Paraguay river basins. It includes 2 nominal species, A. grypus and A. weddellii, plus Anadoras sp. "araguaia," an undescribed species only recognized morphologically. Since Anadoras occupies a basal position within the Astrodoradinae phylogeny, it is crucial to identify its cytogenetic features to comprehend the mechanisms involved in the chromosomal diversification of this subfamily. Therefore, we performed a comparative cytogenetic analysis including all species of Anadoras. Furthermore, we applied a species delimitation analysis based on 600 bp of the mitochondrial cytochrome oxidase subunit 1 (CO1) gene to investigate the taxonomic status of the species. Cytogenetic markers revealed a high degree of similarity among Anadoras weddellii and Anadoras sp. "araguaia," both have 2n = 56 chromosomes (24m + 10sm + 22st/a), single NOR sites on acrocentric pair 28, and 5S rDNA sites on submetacentric pair 15. A. grypus has the most divergent chromosomal characteristics because, even though it also has 2n = 56 chromosomes, it exhibits several differences in the chromosome formula, heterochromatin distribution, and number/position of the rDNA sites. In sum, we believe that the chromosome diversification of Anadoras is due to 4 mechanisms: centric fusion, pericentric/paracentric inversions, nonreciprocal translocations, and activity of transposable elements. Additionally, our phylogenetic tree revealed well-supported clades and, by barcode species delimitation analysis, confirmed the existence of 3 molecular operational taxonomic units, including the putative new species Anadoras sp. "araguaia."
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Affiliation(s)
- Fábio Hiroshi Takagui
- Laboratory of Animal Cytogenetics, Department of General Biology, CCB, State University of Londrina, Londrina, Brazil
| | - Lucas Baumgärtner
- Cytogenetic Laboratory, Center of Biological and Health Sciences, State University of Western Paraná, Cascavel, Brazil
| | - Patrik Viana
- Laboratory of Animal Genetics, National Institute of Amazonian Research, Manaus, Brazil
| | - Moema C C Lima
- Laboratory of Genetics and Animal Ecology, Department of General Biology, CCB, State University of Londrina, Londrina, Brazil
| | - Jamille de A Bitencourt
- Cytogenetic Laboratory, Department of Biological Sciences, State University of Southwest of Bahia, Jequié, Brazil
| | - Paulo Cesar Venere
- Laboratory of Animal Cytogenetics and Genetics, Federal University of Mato Grosso, Cuiabá, Brazil
| | - Roberto Laridondo Lui
- Cytogenetic Laboratory, Center of Biological and Health Sciences, State University of Western Paraná, Cascavel, Brazil
| | - Orlando Moreira-Filho
- Laboratory of Molecular Biodiversity and Conservation, Department of Genetics and Evolution, Federal University of São Carlos, São Carlos, Brazil
| | - Eliana Feldberg
- Laboratory of Animal Genetics, National Institute of Amazonian Research, Manaus, Brazil
| | - Fernanda Almeida Simões
- Laboratory of Genetics and Animal Ecology, Department of General Biology, CCB, State University of Londrina, Londrina, Brazil
| | - José Luis Birindelli
- Museum of Zoology, Department of Animal and Plant Biology, CCB, Londrina State University, Londrina, Brazil
| | - Lucia Giuliano-Caetano
- Laboratory of Animal Cytogenetics, Department of General Biology, CCB, State University of Londrina, Londrina, Brazil
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5
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Takagui FH, Viana P, Baumgärtner L, Bitencourt JA, Margarido VP, Lui RL, Feldberg E, Birindelli JLO, Almeida FS, Giuliano-Caetano L. Reconstruction of the Doradinae (Siluriformes-Doradidae) ancestral diploid number and NOR pattern reveals new insights about the karyotypic diversification of the Neotropical thorny catfishes. Genet Mol Biol 2021; 44:e20200068. [PMID: 34821336 PMCID: PMC8612126 DOI: 10.1590/1678-4685-gmb-2020-0068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Accepted: 04/04/2021] [Indexed: 11/23/2022] Open
Abstract
Doradinae (Siluriformes: Doradidae) is the most species-rich subfamily among
thorny catfishes, encompassing over 77 valid species, found mainly in Amazon and
Platina hydrographic basins. Here, we analyzed seven Doradinae species using
combined methods (e.g., cytogenetic tools and Mesquite ancestral reconstruction
software) in order to scrutinize the processes that mediated the karyotype
diversification in this subfamily. Our ancestral reconstruction recovered that
2n=58 chromosomes and simple nucleolar organizer regions (NOR) are ancestral
features only for Wertheimerinae and the most clades of Doradinae. Some
exceptions were found in Trachydoras paraguayensis (2n=56),
Trachydoras steindachneri (2n=60), Ossancora
punctata (2n=66) and Platydoras hancockii whose
karyotypes showed a multiple NOR system. The large thorny catfishes, such as
Pterodoras granulosus, Oxydoras niger and
Centrodoras brachiatus share several karyotype features,
with subtle variations only regarding their heterochromatin distribution. On the
other hand, a remarkable karyotypic variability has been reported in the
fimbriate barbells thorny catfishes. These two contrasting karyoevolution
trajectories emerged from a complex interaction between chromosome
rearrangements (e.g., inversions and Robertsonian translocations) and mechanisms
of heterochromatin dispersion. Moreover, we believe that biological features,
such as microhabitats preferences, populational size, low vagility and migratory
behavior played a key role during the origin and maintenance of chromosome
diversity in Doradinae subfamily.
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Affiliation(s)
- Fábio H Takagui
- Universidade Estadual de Londrina, Departamento de Biologia Geral, Laboratório de Citogenética Animal, Londrina, PR, Brazil
| | - Patrik Viana
- Instituto Nacional de Pesquisas da Amazônia, Laboratório de Genética Animal, Manaus, AM, Brazil
| | - Lucas Baumgärtner
- Universidade Estadual do Oeste do Paraná, Centro de Ciências Biológicas e da Saúde, Laboratório de Citogenética, Cascavel, PR, Brazil
| | - Jamille A Bitencourt
- Universidade Estadual do Sudoeste da Bahia, Departamento de Ciências Biológicas, Laboratório de Citogenética, Jequié, BA, Brazil
| | - Vladimir Pavan Margarido
- Universidade Estadual do Oeste do Paraná, Centro de Ciências Biológicas e da Saúde, Laboratório de Citogenética, Cascavel, PR, Brazil
| | - Roberto Laridondo Lui
- Universidade Estadual do Oeste do Paraná, Centro de Ciências Biológicas e da Saúde, Laboratório de Citogenética, Cascavel, PR, Brazil
| | - Eliana Feldberg
- Instituto Nacional de Pesquisas da Amazônia, Laboratório de Genética Animal, Manaus, AM, Brazil
| | - Jose Luis Olivan Birindelli
- Universidade Estadual de Londrina, Departamento de Biologia Animal e Vegetal, Museu de Zoologia, Londrina, PR, Brazil
| | - Fernanda Simões Almeida
- Universidade Estadual de Londrina, Departamento de Biologia Geral, Laboratório de Genética e Ecologia Animal, Londrina, PR, Brazil
| | - Lucia Giuliano-Caetano
- Universidade Estadual de Londrina, Departamento de Biologia Geral, Laboratório de Citogenética Animal, Londrina, PR, Brazil
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6
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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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7
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Santos DPD, Felicetti D, Baumgärtner L, Margarido VP, Blanco DR, Moreira-Filho O, Lui RL. Contributions to the taxonomy of Trachelyopterus (Siluriformes): comparative cytogenetic analysis in three species of Auchenipteridae. NEOTROPICAL ICHTHYOLOGY 2021. [DOI: 10.1590/1982-0224-2020-0115] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
ABSTRACT Auchenipteridae is divided into subfamilies Centromochlinae and Auchenipterinae. Parauchenipterus is included in the latter and is subject of taxonomic discussions concerning its validation or synonymization with Trachelyopterus. Herein, three species from two hydrographic basins were cytogenetically analyzed: Parauchenipterus striatulus from Doce River and two sympatric species, P. galeatus and Trachelyopterus coriaceus, from the Araguaia River. Diploid number of 58 chromosomes was verified for all species, but P. striatulus has different karyotype formula from the others. The three species have heterochromatin located in terminal regions of almost all chromosomes and in pericentromeric region on acrocentric chromosomes. Simple NORs was verified on a subtelocentric chromosome for all species. 5S rDNA sites were detected in three submetacentric chromosome pairs in P. striatulus; in a metacentric chromosome pair and submetacentric pair in T. coriaceus; and in one metacentric chromosome pair in P. galeatus. The similarities found in the karyotypes of the three species suggest the existence of only one genus, Trachelyopterus; therefore, our data refutes the validation of Parauchenipterus. Moreover, the differences in 5S rDNA distribution in P. galeatus in comparison with other populations already studied, indicate the existence of a new taxonomic unit, which suggests a species complex in P. galeatus.
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Takagui FH, Baumgärtner L, Baldissera JN, Laridondo Lui R, Margarido VP, Fonteles SBA, Garcia C, Birindelli JO, Moreira-Filho O, Almeida FS, Giuliano-Caetano L. Chromosomal Diversity of Thorny Catfishes (Siluriformes-Doradidae): A Case of Allopatric Speciation Among Wertheimerinae Species of São Francisco and Brazilian Eastern Coastal Drainages. Zebrafish 2019; 16:477-485. [PMID: 31453759 DOI: 10.1089/zeb.2019.1769] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Wertheimerinae is a small subfamily of thorny catfish composed of two species found in eastern Brazilian coastal drainages: Wertheimeria maculata and Kalyptodoras bahiensis. According to molecular phylogenetic analysis, Franciscodoras marmoratus an endemic species of the São Francisco River is also a member of this subfamily. Even though both phylogenetic approaches suggest that this group is one of the oldest lineages of the Doradidae, a disagreement remains about the constitution of Wertheimerinae. Hence, cytogenetic analysis is important to understand the karyotypic evolution of thorny catfish and can be a useful cytotaxonomic tool to clarify the relationships between these species. All Wertheimerinae species, and F. marmoratus here analyzed, shared 2n = 58 chromosomes, karyotypic formulas (24m+12sm +8st +14a), and nucleolus organizer region (NOR) pattern (terminal 18S rDNA sites on pair 22). Differences were noted in heterochromatin and 5S rDNA site distribution. The chromosomal markers here applied added to the molecular data, reinforcing that these three species actually represent a well-resolved taxonomic unit. Our results represent one more evidence of the ancient connectivity between eastern coastal drainages and São Francisco River, whose separation represented an important event for the allopatric speciation that produced the current forms of Wertheimerinae subfamily.
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Affiliation(s)
- Fábio Hiroshi Takagui
- Animal Cytogenetics Laboratory, Department of General Biology, Biological Sciences Center, Londrina State University, Londrina, Brazil
| | - Lucas Baumgärtner
- Cytogenetic Laboratory, Center for Biological and Health Sciences, Western Paraná State University, Cascavel, Brazil
| | - Joana Neres Baldissera
- Animal Cytogenetics Laboratory, Department of General Biology, Biological Sciences Center, Londrina State University, Londrina, Brazil
| | - Roberto Laridondo Lui
- Cytogenetic Laboratory, Center for Biological and Health Sciences, Western Paraná State University, Cascavel, Brazil
| | - Vladimir Pavan Margarido
- Cytogenetic Laboratory, Center for Biological and Health Sciences, Western Paraná State University, Cascavel, Brazil
| | - Soraia Barreto Aguiar Fonteles
- Genetics of Aquatic Organisms Laboratory, Center for Agrarian Environmental and Biological Sciences, Federal University of Recôncavo of Bahia, Cruz das Almas, Bahia, Brazil
| | - Caroline Garcia
- Cytogenetic Laboratory, Department of Biological Sciences, State University of Southwest of Bahia, Jequié, Bahia, Brazil
| | - José Olivan Birindelli
- Museum of Zoology, Department of Animal and Plant Biology, Centro de Ciências Biológicas, Londrina State University, Londrina, Brazil
| | - Orlando Moreira-Filho
- Molecular Biodiversity and Conservation Laboratory, Department of Genetics and Evolution, Federal University of Sao Carlos, Sao Carlos, Brazil
| | - Fernanda Simões Almeida
- Genetics and Animal Ecology Laboratory, Department of General Biology, Biological Sciences Center, Londrina State University, Londrina, Brazil
| | - Lucia Giuliano-Caetano
- Animal Cytogenetics Laboratory, Department of General Biology, Biological Sciences Center, Londrina State University, Londrina, Brazil
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9
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Baumgärtner L, Paiz LM, Takagui FH, Lui RL, Moreira-Filho O, Giuliano-Caetano L, Portela-Castro ALDB, Margarido VP. Comparative Cytogenetics Analysis on Five Genera of Thorny Catfish (Siluriformes, Doradidae): Chromosome Review in the Family and Inferences About Chromosomal Evolution Integrated with Phylogenetic Proposals. Zebrafish 2018; 15:270-278. [PMID: 29653070 DOI: 10.1089/zeb.2017.1554] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Doradidae has been a target of phylogenetic studies over the last few years, but chromosomal information about the family is still scarce. Therefore, new cytogenetic data are provided herein and they are correlated with phylogenetic proposals to contribute to the knowledge of chromosomal evolution within doradids. Cytogenetic studies were performed on Trachydoras paraguayensis, Anadoras sp. "araguaia," Ossancora eigenmanni, Platydoras armatulus, and Rhinodoras dorbignyi. O. eigenmanni, P. armatulus, and R. dorbignyi had 2n = 58 chromosomes as found for most doradids, but T. paraguayensis and Anadoras sp. "araguaia" had 2n = 56 chromosomes, probably caused by a chromosomal reduction. There is a great maintenance of 2n = 58 verified in doradids, but karyotype formulas are diverse. Moreover, other markers (i.e., nucleolar organizer regions, heterochromatin distribution, and 5S and 18S rDNA) showed a great diversity among the analyzed species. Contrasting the variability in the chromosomal markers with the maintenance of diploid number, it is likely that inversions and translocations played an important role in chromosome differentiation in Doradidae. Herein, we created an integrative discussion linking cytogenetic data to phylogenetic proposals, based on morphological and genetic features, enabling us to identify possible cytogenetic traits, as well as probable chromosomal plesiomorphy and apomorphy of Doradidae species.
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Affiliation(s)
- Lucas Baumgärtner
- 1 Departamento de Biotecnologia, Genética e Biologia Celular, Universidade Estadual de Maringá , Maringá, Brazil
| | - Leonardo Marcel Paiz
- 2 Centro de Ciências Biológicas e da Saúde, Universidade Estadual do Oeste do Paraná , Cascavel, Brazil
| | - Fabio Hiroshi Takagui
- 3 Departamento de Biologia Geral, Universidade Estadual de Londrina , Londrina, Brazil
| | - Roberto Laridondo Lui
- 2 Centro de Ciências Biológicas e da Saúde, Universidade Estadual do Oeste do Paraná , Cascavel, Brazil
| | - Orlando Moreira-Filho
- 4 Departamento de Genética e Evolução, Rodovia Washington Luís (SP 310), Universidade Federal de São Carlos , São Carlos, Brazil
| | | | | | - Vladimir Pavan Margarido
- 2 Centro de Ciências Biológicas e da Saúde, Universidade Estadual do Oeste do Paraná , Cascavel, Brazil
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10
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Carvalho ML, Costa Silva GJD, Melo S, Ashikaga FY, Shimabukuro-Dias CK, Scacchetti PC, Devidé R, Foresti F, Oliveira C. The non-monotypic status of the neotropical fish genus Hemiodontichthys (Siluriformes, Loricariidae) evidenced by genetic approaches. Mitochondrial DNA A DNA Mapp Seq Anal 2018; 29:1224-1230. [DOI: 10.1080/24701394.2018.1431230] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Margarida Lima Carvalho
- Laboratório de Citogenética e Genética Molecular – LABGENE, Universidade Federal do Acre, Rio Branco, Acre, Brazil
| | - Guilherme José da Costa Silva
- Instituto de Biociências de Botucatu, Laboratório de Biologia e Genética de Peixes – LBGP, Universidade Estadual Paulista “Júlio de Mesquita Filho”, Botucatu, São Paulo, Brazil
- Departamento de Biologia, Universidade Santo Amaro São Paulo, Brazil
| | - Silvana Melo
- Instituto de Biociências de Botucatu, Laboratório de Biologia e Genética de Peixes – LBGP, Universidade Estadual Paulista “Júlio de Mesquita Filho”, Botucatu, São Paulo, Brazil
| | - Fernando Yuldi Ashikaga
- Instituto de Biociências de Botucatu, Laboratório de Biologia e Genética de Peixes – LBGP, Universidade Estadual Paulista “Júlio de Mesquita Filho”, Botucatu, São Paulo, Brazil
| | - Cristiane Kioko Shimabukuro-Dias
- Instituto de Biociências de Botucatu, Laboratório de Biologia e Genética de Peixes – LBGP, Universidade Estadual Paulista “Júlio de Mesquita Filho”, Botucatu, São Paulo, Brazil
| | - Priscilla Cardim Scacchetti
- Instituto de Biociências de Botucatu, Laboratório de Biologia e Genética de Peixes – LBGP, Universidade Estadual Paulista “Júlio de Mesquita Filho”, Botucatu, São Paulo, Brazil
| | - Renato Devidé
- Instituto de Biociências de Botucatu, Laboratório de Biologia e Genética de Peixes – LBGP, Universidade Estadual Paulista “Júlio de Mesquita Filho”, Botucatu, São Paulo, Brazil
| | - Fausto Foresti
- Instituto de Biociências de Botucatu, Laboratório de Biologia e Genética de Peixes – LBGP, Universidade Estadual Paulista “Júlio de Mesquita Filho”, Botucatu, São Paulo, Brazil
| | - Claudio Oliveira
- Instituto de Biociências de Botucatu, Laboratório de Biologia e Genética de Peixes – LBGP, Universidade Estadual Paulista “Júlio de Mesquita Filho”, Botucatu, São Paulo, Brazil
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11
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Fernandes CA, Baumgärtner L, Paiz LM, Margarido VP, de Brito Portela-Castro AL. Chromosomal characteristics of rDNA in a conserved karyotype of two Sternopygus macrurus (Gymnotiformes: Sternopygidae) populations from upper Paraná River basin. Biologia (Bratisl) 2017. [DOI: 10.1515/biolog-2017-0071] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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12
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Hernández MA, Sabaj MH. Taxonomic assessment of the Hard-Nosed Thornycats (Siluriformes: Doradidae: Trachydoras Eigenmann 1925) with description of Trachydoras gepharti, n. sp. PROCEEDINGS OF THE ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA 2017. [DOI: 10.1635/053.166.0107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | - Mark Henry Sabaj
- The Academy of Natural Sciences of Philadelphia, Drexel University, 1900 Benjamin Franklin Parkway,
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13
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Sabaj MH, Hernández MA. Taxonomic assessment of the Hard-Nosed Thornycats (Siluriformes: Doradidae: Trachydoras Eigenmann 1925) with description of Trachydoras gepharti, n. sp. PROCEEDINGS OF THE ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA 2017. [DOI: 10.1635/053.166.0102] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Mark Henry Sabaj
- The Academy of Natural Sciences of Philadelphia, Drexel University, 1900 Benjamin Franklin Parkway,
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14
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Fernandes CA, Paiz LM, Baumgärtner L, Margarido VP, Vieira MMDR. Comparative Cytogenetics of the Black Ghost Knifefish (Gymnotiformes: Apteronotidae): Evidence of Chromosomal Fusion and Pericentric Inversions in Karyotypes of Two Apteronotus Species. Zebrafish 2017; 14:471-476. [PMID: 28557696 DOI: 10.1089/zeb.2017.1432] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
The karyotype and chromosomal characteristics of Apteronotus albifrons and Apteronotus caudimaculosus collected from populations of two different large Brazilian river basins were analyzed by conventional and molecular cytogenetic techniques, to contribute to the differentiation and identification of the species in this genus. The diploid chromosome number was 2n = 24 for A. albifrons, but with difference in the karyotype structure and fundamental number values between two populations under study. In A. caudimaculosus, the diploid chromosome number was 2n = 26, which was classified as 22 metacentric (m), 2 submetacentric (sm), and 2 acrocentric (a) chromosomes. Heterochromatins were preferentially located in pericentromeric regions for both species. However, there are more C-banded chromosomes in A. caudimaculosus than A. albifrons. The sites of 18S DNA as revealed by fluorescence in situ hybridization (FISH) in the karyotypes of both species corresponded to sites revealed by Ag impregnation, although some additional 18S rDNA sites were observed in the genome of A. caudimaculosus. FISH with 5S rDNA-probe revealed interstitial sites on the m pair No. 1 for individuals of both A. albifrons populations, and in pericentromeric regions on the long arm of pair Nos. 5 and 9 in those of A. caudimaculosus. The karyotypes of A. albifrons and A. caudimaculosus indicated a reduction of 2n resulting from chromosomal fusion, as could be hypothesized from the presence of an interstitial telomere sequence in two chromosome pairs in karyotype of A. caudimaculosus. Thus, the present study demonstrated species-specific cytogenetic markers of otherwise morphologically very similar species A. albifrons and A. caudimaculosus.
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Affiliation(s)
- Carlos Alexandre Fernandes
- 1 Universidade Estadual de Mato Grosso do Sul, Unidade Universitária de Mundo Novo , Mato Grosso do Sul, Brazil
| | - Leonardo Marcel Paiz
- 2 Centro de Ciências Biológicas, Universidade Estadual de Maringá , Maringá, Paraná, Brazil .,3 Centro de Ciências Biológicas e da Saúde, Universidade Estadual do Oeste do Paraná , Cascavel, Paraná, Brazil
| | - Lucas Baumgärtner
- 3 Centro de Ciências Biológicas e da Saúde, Universidade Estadual do Oeste do Paraná , Cascavel, Paraná, Brazil
| | - Vladimir Pavan Margarido
- 2 Centro de Ciências Biológicas, Universidade Estadual de Maringá , Maringá, Paraná, Brazil .,3 Centro de Ciências Biológicas e da Saúde, Universidade Estadual do Oeste do Paraná , Cascavel, Paraná, Brazil
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15
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Takagui FH, Moura LFD, Ferreira DC, Centofante L, Vitorino CDA, Bueno V, Margarido VP, Venere PC. Karyotype Diversity in Doradidae (Siluriformes, Doradoidea) and Presence of the Heteromorphic ZZ/ZW Sex Chromosome System in the Family. Zebrafish 2017; 14:236-243. [PMID: 28192063 DOI: 10.1089/zeb.2016.1368] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Karyotypes and other chromosomal markers as revealed by conventional and molecular cytogenetic protocols in four species of the catfish family Doradidae from the Araguaia-Tocantins river basin, namely Hassar wilderi, Leptodoras cataniae, Tenellus leporhinus and Tenellus trimaculatus were examined. All species had diploid chromosome number 2n = 58 and karyotypes dominated by biarmed chromosomes, simple NOR phenotype, that is, one chromosome pair bearing this site in terminal position, but some differences in karyotypes and distribution of constitutive heterochromatin, position of rDNA sites. Such characteristics appeared species-specific. A ZZ/ZW sex chromosome system was found in Tenellus trimaculatus, resulting likely from the amplification of the heterochromatin, followed by a paracentric inversion. Our results confirmed low karyotype differentiation observed until now among representatives of this endemic catfish family.
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Affiliation(s)
- Fábio Hiroshi Takagui
- 1 Laboratório de Citogenética Animal, Departamento de Biologia Geral, CCB, Universidade Estadual de Londrina , Londrina, Brazil
| | - Lucas Ferreira de Moura
- 2 Laboratório de Ictiologia, Instituto de Ciências Biológicas e da Saúde, Universidade Federal de Mato Grosso , Pontal do Araguaia, Brazil
| | - Daniela Cristina Ferreira
- 3 Laboratório de Citogenética e Genética Animal, Instituto de Biociências, Universidade Federal de Mato Grosso , Cuiabá, Brazil
| | - Liano Centofante
- 3 Laboratório de Citogenética e Genética Animal, Instituto de Biociências, Universidade Federal de Mato Grosso , Cuiabá, Brazil
| | - Carla de Andrade Vitorino
- 4 Programa de Pós Graduação em Ecologia e Conservação da Biodiversidade, Instituto de Biociências, Universidade Federal de Mato Grosso , Cuiabá, Brazil
| | - Vanessa Bueno
- 5 Universidade Tecnológica Federal do Paraná , Prolongamento da Rua Cerejeira s/n, Paraná, Brazil
| | - Vladimir Pavan Margarido
- 6 Laboratório de Citogenética de peixes, Centro de Ciências Biológicas e da Saúde, Universidade Estadual do Oeste do Paraná , Paraná, Brazil
| | - Paulo Cesar Venere
- 3 Laboratório de Citogenética e Genética Animal, Instituto de Biociências, Universidade Federal de Mato Grosso , Cuiabá, Brazil .,4 Programa de Pós Graduação em Ecologia e Conservação da Biodiversidade, Instituto de Biociências, Universidade Federal de Mato Grosso , Cuiabá, Brazil
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16
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Takagui FH, Dias AL, Birindelli JLO, Swarça AC, da Rosa R, Lui RL, Fenocchio AS, Giuliano-Caetano L. First report of B chromosomes in three neotropical thorny catfishes (Siluriformes, Doradidae). COMPARATIVE CYTOGENETICS 2017; 11:55-64. [PMID: 28919949 PMCID: PMC5599706 DOI: 10.3897/compcytogen.v11i1.10496] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Accepted: 11/15/2016] [Indexed: 06/07/2023]
Abstract
The family Doradidae (Siluriformes) is an important group of fishes endemic to freshwater ecosystems in South America. Some cytogenetic studies have been conducted focused on the group; however, there are no reports on the occurrence of B chromosomes for the family. In this paper the chromosomal characteristics of Platydoras armatulus (Valenciennes, 1840), Pterodoras granulosus (Valenciennes, 1821) and Ossancora punctata (Kner, 1855) were investigated through classical cytogenetics approaches. The conventional staining reveals 2n=58 in Platydoras armatulus and Pterodoras granulosus, however with distinct karyotypic formulae, possibly originated by pericentric inversions. In Ossancora punctata a derivate karyotype was described with 2n=66 and predominance of acrocentric chromosomes. The C banding pattern was resolutive in discriminating the three species, being considered an important cytotaxonomic marker. All species showed B chromosomes totally heterochromatic with non-Mendelian segregation during meiosis and low frequencies in mitotic cells. The probably origin of these additional elements was through fragmentations of chromosomes of the standard complement, which occurred recently and independently in these three species. The diploid number observed in Ossancora punctata is an evidence of centric fusions and up to the moment it is the highest diploid number reported for Doradidae.
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Affiliation(s)
- Fábio Hiroshi Takagui
- Laboratory of Animal Cytogenetics; Department of General Biology, CCB, Universidade Estadual de Londrina. Rodovia Celso Garcia Cid, PR 445, km 380, Londrina-Brasil
| | - Ana Lucia Dias
- Laboratory of Animal Cytogenetics; Department of General Biology, CCB, Universidade Estadual de Londrina. Rodovia Celso Garcia Cid, PR 445, km 380, Londrina-Brasil
| | - José Luís Olivan Birindelli
- Museum of Zoology, Department of Animal and Plant Biology, CCB, Universidade Estadual de Londrina. Rodovia Celso Garcia Cid, PR 445, km 380, Londrina-Brasil
| | - Ana Claudia Swarça
- Laboratory of Histology and Genetics; Department of Histology; Center of Biological Sciences (CCB); Universidade Estadual de Londrina (UEL). Londrina-Brasil
| | - Renata da Rosa
- Laboratory of Animal Cytogenetics; Department of General Biology, CCB, Universidade Estadual de Londrina. Rodovia Celso Garcia Cid, PR 445, km 380, Londrina-Brasil
| | - Roberto Laridondo Lui
- Laboratory of Cytogenetics; Center of Biological Sciences and Health: Universidade do Oeste do Paraná, Campus Cascavel. Cascavel - Brasil
| | - Alberto Sergio Fenocchio
- Laboratory of General Cytogenetics; Department of Genetics; Facultad de Ciencias Naturales; Universidad Nacional de Misiones. Posadas- Argentina
| | - Lucia Giuliano-Caetano
- Laboratory of Animal Cytogenetics; Department of General Biology, CCB, Universidade Estadual de Londrina. Rodovia Celso Garcia Cid, PR 445, km 380, Londrina-Brasil
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