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Deon GA, Glugoski L, Hatanaka T, Sassi FDMC, Nogaroto V, Bertollo LAC, Liehr T, Al-Rikabi A, Moreira Filho O, Cioffi MDB, Vicari MR. Evolutionary breakpoint regions and chromosomal remodeling in Harttia (Siluriformes: Loricariidae) species diversification. Genet Mol Biol 2022; 45:e20210170. [PMID: 35604463 PMCID: PMC9126045 DOI: 10.1590/1678-4685-gmb-2021-0170] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 04/03/2022] [Indexed: 11/22/2022] Open
Abstract
The Neotropical armored catfish genus Harttia presents a wide
variation of chromosomal rearrangements among its representatives. Studies
indicate that translocation and Robertsonian rearrangements have triggered the
karyotype evolution in the genus, including differentiation of sex chromosome
systems. However, few studies used powerful tools, such as comparative whole
chromosome painting, to clarify this highly diversified scenario. Here, we
isolated probes from the X1 (a 5S rDNA carrier) and the X2
(a 45S rDNA carrier) chromosomes of Harttia punctata, which
displays an
X1X1X2X2/X1X2Y
multiple sex chromosome system. Those probes were applied in other
Harttia species to evidence homeologous chromosome blocks.
The resulting data reinforce that translocation events played a role in the
origin of the X1X2Y sex chromosome system in H.
punctata. The repositioning of homologous chromosomal blocks
carrying rDNA sites among ten Harttia species has also been
demonstrated. Anchored to phylogenetic data it was possible to evidence some
events of the karyotype diversification of the studied species and to prove an
independent origin for the two types of multiple sex chromosomes,
XX/XY1Y2 and
X1X1X2X2/X1X2Y,
that occur in Harttia species. The results point to
evolutionary breakpoint regions in the genomes within or adjacent to rDNA sites
that were widely reused in Harttia chromosome remodeling.
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Affiliation(s)
- Geize Aparecida Deon
- Universidade Federal de São Carlos, Departamento de Genética e Evolução, São Carlos, SP, Brazil.,Universidade Estadual de Ponta Grossa, Departamento de Biologia Estrutural, Molecular e Genética, Ponta Grossa, PR, Brazil
| | - Larissa Glugoski
- Universidade Federal de São Carlos, Departamento de Genética e Evolução, São Carlos, SP, Brazil.,Universidade Estadual de Ponta Grossa, Departamento de Biologia Estrutural, Molecular e Genética, Ponta Grossa, PR, Brazil
| | - Terumi Hatanaka
- Universidade Federal de São Carlos, Departamento de Genética e Evolução, São Carlos, SP, Brazil
| | | | - Viviane Nogaroto
- Universidade Estadual de Ponta Grossa, Departamento de Biologia Estrutural, Molecular e Genética, Ponta Grossa, PR, Brazil
| | | | - Thomas Liehr
- University Hospital Jena, Institute of Human Genetics, Jena, Germany
| | - Ahmed Al-Rikabi
- University Hospital Jena, Institute of Human Genetics, Jena, Germany.,Universidade Federal de São Carlos, Departamento de Genética e Evolução, São Carlos, SP, Brazil
| | - Orlando Moreira Filho
- Universidade Federal de São Carlos, Departamento de Genética e Evolução, São Carlos, SP, Brazil
| | - Marcelo de Bello Cioffi
- Universidade Federal de São Carlos, Departamento de Genética e Evolução, São Carlos, SP, Brazil
| | - Marcelo Ricardo Vicari
- Universidade Estadual de Ponta Grossa, Departamento de Biologia Estrutural, Molecular e Genética, Ponta Grossa, PR, Brazil
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Machado MDA, da Silva M, Feldberg E, O'Brien PCM, Ferguson-Smith MA, Pieczarka JC, Nagamachi CY. Chromosome Painting in Gymnotus carapo "Catalão" (Gymnotiformes, Teleostei): Dynamics of Chromosomal Rearrangements in Cryptic Species. Front Genet 2022; 13:832495. [PMID: 35401658 PMCID: PMC8992654 DOI: 10.3389/fgene.2022.832495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Accepted: 02/10/2022] [Indexed: 11/13/2022] Open
Abstract
The genus Gymnotus is a large monophyletic group of freshwater weakly-electric fishes, with wide distribution in Central and South America. It has 46 valid species divided into six subgenera (Gymnotus, Tijax, Tigre, Lamontianus, Tigrinus and Pantherus) with large chromosome plasticity and diploid numbers (2n) ranging from 34 to 54. Within this rich diversity, there is controversy about whether Gymnotus (Gymnotus) carapo species is a single widespread species or a complex of cryptic species. Cytogenetic studies show different diploid numbers for G. carapo species, ranging from 40 to 54 chromosomes with varied karyotypes found even between populations sharing the same 2n. Whole chromosome painting has been used in studies on fish species and recently has been used for tracking the chromosomal evolution of Gymnotus and assisting in its cytotaxonomy. Comparative genomic mapping using chromosome painting has shown more complex rearrangements in Gymnotus carapo than shown in previous studies by classical cytogenetics. These studies demonstrate that multiple chromosome pairs are involved in its chromosomal reorganization, suggesting the presence of a complex of cryptic species due to a post zygotic barrier. In the present study, metaphase chromosomes of G. carapo occidentalis "catalão" (GCC, 2n = 40, 30m/sm+10st/a) from the Catalão Lake, Amazonas, Brazil, were hybridized with whole chromosome probes derived from the chromosomes of G. carapo (GCA, 2n = 42, 30m/sm+12st/a). The results reveal chromosome rearrangements and a high number of repetitive DNA sites. Of the 12 pairs of G. carapo chromosomes that could be individually identified (GCA 1-3, 6, 7, 9, 14, 16 and 18-21), 8 pairs (GCA 1, 2, 6, 7, 9, 14, 20, 21) had homeology conserved in GCC. Of the GCA pairs that are grouped (GCA [4, 8], [5, 17], [10, 11] and [12, 13, 15]), most kept the number of signals in GCC (GCA [5, 17], [10, 11] and [12, 13, 15]). The remaining chromosomes are rearranged in the GCC karyotype. Analysis of both populations of the G. carapo cytotypes shows extensive karyotype reorganization. Along with previous studies, this suggests that the different cytotypes analyzed here may represent different species and supports the hypothesis that G. carapo is not a single widespread species, but a group of cryptic species.
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Affiliation(s)
- Milla de Andrade Machado
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, Instituto de Ciências Biológicas, Universidade Federal Do Pará (UFPA), Belém, Brazil
| | - Maelin da Silva
- Departamento de Biologia Estrutural, Molecular e Genética, Universidade Estadual de Ponta Grossa, Ponta Grossa, Brazil
| | - Eliana Feldberg
- Laboratório de Genética Animal, Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia, Manaus, Brazil
| | - Patricia Caroline Mary O'Brien
- Department of Veterinary Medicine, Cambridge Resource Centre for Comparative Genomics, University of Cambridge, Cambridge, United Kingdom
| | - Malcolm Andrew Ferguson-Smith
- Department of Veterinary Medicine, Cambridge Resource Centre for Comparative Genomics, University of Cambridge, Cambridge, United Kingdom
| | - Julio Cesar Pieczarka
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, Instituto de Ciências Biológicas, Universidade Federal Do Pará (UFPA), Belém, Brazil
| | - Cleusa Yoshiko Nagamachi
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, Instituto de Ciências Biológicas, Universidade Federal Do Pará (UFPA), Belém, Brazil
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Cardoso AL, Pieczarka JC, Crampton WGR, Ready JS, de Figueiredo Ready WMB, Waddell JC, de Oliveira JA, Nagamachi CY. Karyotypic Diversity and Evolution in a Sympatric Assemblage of Neotropical Electric Knifefish. Front Genet 2018; 9:81. [PMID: 29616077 PMCID: PMC5867350 DOI: 10.3389/fgene.2018.00081] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2017] [Accepted: 02/26/2018] [Indexed: 11/13/2022] Open
Abstract
Chromosome changes can perform an important role in speciation by acting as post-zygotic reproductive barriers. The Neotropical electric fish genus Brachyhypopomus (Gymnotiformes, Hypopomidae) has 28 described species, but cytogenetic data are hitherto available only for four of them. To understand karyotype evolution and investigate the possible role of chromosome changes in the diversification of this genus, we describe here the karyotype of eight species of Brachyhypopomus from a sympatric assemblage in the central Amazon basin. We analyzed cytogenetic data in the context of a phylogenetic reconstruction of the genus and known patterns of geographical distribution. We found a strong phylogenetic signal for chromosome number and noted that sympatric species have exclusive karyotypes. Additional insights into the role of chromosome changes in the diversification of Brachyhypopomus are discussed.
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Affiliation(s)
- Adauto L Cardoso
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, Brazil
| | - Julio C Pieczarka
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, Brazil.,Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), Brasília, Brazil
| | - William G R Crampton
- Department of Biology, University of Central Florida, Orlando, FL, United States
| | - Jonathan S Ready
- Laboratório de Lepidopterologia e Ictiologia Integrada, Centro de Estudos Avançados da Biodiversidade, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, Brazil
| | - Wilsea M B de Figueiredo Ready
- Laboratório de Lepidopterologia e Ictiologia Integrada, Centro de Estudos Avançados da Biodiversidade, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, Brazil
| | - Joseph C Waddell
- Department of Biology, University of Central Florida, Orlando, FL, United States
| | | | - Cleusa Y Nagamachi
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, Brazil.,Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), Brasília, Brazil
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Machado MDA, Pieczarka JC, Silva FHR, O'Brien PCM, Ferguson-Smith MA, Nagamachi CY. Extensive Karyotype Reorganization in the Fish Gymnotus arapaima (Gymnotiformes, Gymnotidae) Highlighted by Zoo-FISH Analysis. Front Genet 2018; 9:8. [PMID: 29434621 PMCID: PMC5790778 DOI: 10.3389/fgene.2018.00008] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2017] [Accepted: 01/08/2018] [Indexed: 01/25/2023] Open
Abstract
The genus Gymnotus (Gymnotiformes) contains over 40 species of freshwater electric fishes exhibiting a wide distribution throughout Central and South America, and being particularly prevalent in the Amazon basin. Cytogenetics has been an important tool in the cytotaxonomy and elucidation of evolutionary processes in this genus, including the unraveling the variety of diploid chromosome number (2n = from 34 to 54), the high karyotype diversity among species with a shared diploid number, different sex chromosome systems, and variation in the distribution of several Repetitive DNAs and colocation and association between those sequences. Recently whole chromosome painting (WCP) has been used for tracking the chromosomal evolution of the genus, showing highly reorganized karyotypes and the conserved synteny of the NOR bearing par within the clade G. carapo. In this study, painting probes derived from the chromosomes of G. carapo (GCA, 2n = 42, 30 m/sm + 12 st/a) were hybridized to the mitotic metaphases of G. arapaima (GAR, 2n = 44, 24 m/sm + 20 st/a). Our results uncovered chromosomal rearrangements and a high number of repetitive DNA regions. From the 12 chromosome pairs of G. carapo that can be individually differentiated (GCA1-3, 6, 7, 9, 14, 16, and 18-21), six pairs (GCA 1, 9, 14, 18, 20, 21) show conserved homology with GAR, five pairs (GCA 1, 9, 14, 20, 21) are also shared with cryptic species G. carapo 2n = 40 (34 m/sm + 6 st/a) and only the NOR bearing pair (GCA 20) is shared with G. capanema (GCP 2n = 34, 20 m/sm + 14 st/a). The remaining chromosomes are reorganized in the karyotype of GAR. Despite the close phylogenetic relationships of these species, our chromosome painting studies demonstrate an extensive reorganization of their karyotypes.
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Affiliation(s)
- Milla de Andrade Machado
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém-Pará, Brazil
| | - Julio C Pieczarka
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém-Pará, Brazil
| | - Fernando H R Silva
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém-Pará, Brazil
| | - Patricia C M O'Brien
- Cambridge Resource Centre for Comparative Genomics, Department of Veterinary Medicine, University of Cambridge, Cambridge, United Kingdom
| | - Malcolm A Ferguson-Smith
- Cambridge Resource Centre for Comparative Genomics, Department of Veterinary Medicine, University of Cambridge, Cambridge, United Kingdom
| | - Cleusa Y Nagamachi
- Laboratório de Citogenética, Centro de Estudos Avançados da Biodiversidade, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém-Pará, Brazil
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Cardoso AL, Ready JS, Pieczarka JC, Milhomem SSR, de Figueiredo-Ready WMB, Silva FHR, Nagamachi CY. Chromosomal Variability Between Populations of Electrophorus electricus Gill, 1864 (Pisces: Gymnotiformes: Gymnotidae). Zebrafish 2015; 12:440-7. [PMID: 25695141 DOI: 10.1089/zeb.2014.1059] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The electric eel, Electrophorus electricus, the only species of its genus, has a wide distribution in the Amazon and Orinoco drainages. There is little previous information regarding the population variation in E. electricus, with only basic karyotype data from two populations (Amazon and Araguaia Rivers). Karyotypic description and analysis of CO1 barcode sequences were performed for E. electricus from three localities (Caripetuba, Irituia, and Maicuru Rivers). All samples share the 2n=52 (42 m-sm [meta-submetacentric] +10 st-a [subtelo-acrocentric]) with previously studied material. However, the Maicuru River samples differ from the other populations, as they have B chromosomes. The distribution of noncentromeric constitutive heterochromatin between samples is relatively divergent. All samples analyzed present the Nucleolar Organizer Region (NOR) located in a single chromosome pair. In the samples from Caripetuba, NORs were colocalized with a heterochromatin block, whereas the NOR was flanked by heterochromatin in Maicuru River samples and pericentromeric heterochromatin adjacent NOR was found in Irituia River samples. Alignment of CO1 barcode sequences indicated no significant differentiation between the samples analyzed. Results suggest that karyotypic differences between samples from the Caripetuba, Irituia, and Amazon Rivers represent chromosome polymorphisms. However, differences between the samples from the Maicuru and Araguaia Rivers and the remaining populations could represent interpopulation differentiation, which has not had time to accrue divergence at the CO1 gene level.
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Affiliation(s)
- Adauto Lima Cardoso
- 1 Laboratório de Citogenética, Instituto de Ciências Biológicas, Universidade Federal do Pará-Campus do Guamá , Belém, Pará, Brazil
| | - Jonathan Stuart Ready
- 1 Laboratório de Citogenética, Instituto de Ciências Biológicas, Universidade Federal do Pará-Campus do Guamá , Belém, Pará, Brazil
| | - Julio Cesar Pieczarka
- 1 Laboratório de Citogenética, Instituto de Ciências Biológicas, Universidade Federal do Pará-Campus do Guamá , Belém, Pará, Brazil .,2 Conselho Nacional de Desenvolvimento Científico e Tecnológico-CNPq, Lago Sul, Brasília, DF, Brazil
| | - Susana Suely Rodrigues Milhomem
- 1 Laboratório de Citogenética, Instituto de Ciências Biológicas, Universidade Federal do Pará-Campus do Guamá , Belém, Pará, Brazil
| | | | - Fernando Henrique Ramos Silva
- 1 Laboratório de Citogenética, Instituto de Ciências Biológicas, Universidade Federal do Pará-Campus do Guamá , Belém, Pará, Brazil
| | - Cleusa Yoshiko Nagamachi
- 1 Laboratório de Citogenética, Instituto de Ciências Biológicas, Universidade Federal do Pará-Campus do Guamá , Belém, Pará, Brazil .,2 Conselho Nacional de Desenvolvimento Científico e Tecnológico-CNPq, Lago Sul, Brasília, DF, Brazil
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Almeida JS, Migues VH, Diniz D, Affonso PRAM. A Unique Sex Chromosome System in the Knifefish Gymnotus bahianus with Inferences About Chromosomal Evolution of Gymnotidae. J Hered 2015; 106:177-83. [DOI: 10.1093/jhered/esu087] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Utsunomia R, Scacchetti PC, Pansonato-Alves JC, Oliveira C, Foresti F. Comparative Chromosome Mapping of U2 snRNA and 5S rRNA Genes in Gymnotus Species (Gymnotiformes, Gymnotidae): Evolutionary Dynamics and Sex Chromosome Linkage in G. pantanal. Cytogenet Genome Res 2014; 142:286-92. [DOI: 10.1159/000362258] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/31/2014] [Indexed: 11/19/2022] Open
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