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de Sousa E Souza JF, Guimarães EMC, Figliuolo VSP, Soares SC, de Bello Cioffi M, de Menezes Cavalcante Sassi F, Feldberg E. Chromosomal mapping of repetitive DNA and retroelement sequences and its implications for the chromosomal evolution process in Ctenoluciidae (Characiformes). BMC Ecol Evol 2024; 24:72. [PMID: 38816840 PMCID: PMC11138015 DOI: 10.1186/s12862-024-02262-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Accepted: 05/22/2024] [Indexed: 06/01/2024] Open
Abstract
Ctenoluciidae is a Neotropical freshwater fish family composed of two genera, Ctenolucius (C. beani and C. hujeta) and Boulengerella (B. cuvieri, B. lateristriga, B. lucius, B. maculata, and B. xyrekes), which present diploid number conservation of 36 chromosomes and a strong association of telomeric sequences with ribosomal DNAs. In the present study, we performed chromosomal mapping of microsatellites and transposable elements (TEs) in Boulengerella species and Ctenolucius hujeta. We aim to understand how those sequences are distributed in these organisms' genomes and their influence on the chromosomal evolution of the group. Our results indicate that repetitive sequences may had an active role in the karyotypic diversification of this family, especially in the formation of chromosomal hotspots that are traceable in the diversification processes of Ctenoluciidae karyotypes. We demonstrate that (GATA)n sequences also accumulate in the secondary constriction formed by the 18 S rDNA site, which shows consistent size heteromorphism between males and females in all Boulengerella species, suggesting an initial process of sex chromosome differentiation.
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Grants
- 573976/2008-2 Center for Studies of Adaptation to Environmental Changes in the Amazon (INCT ADAPTA II, FAPEAM/CNPq
- 573976/2008-2 Center for Studies of Adaptation to Environmental Changes in the Amazon (INCT ADAPTA II, FAPEAM/CNPq
- 573976/2008-2 Center for Studies of Adaptation to Environmental Changes in the Amazon (INCT ADAPTA II, FAPEAM/CNPq
- 573976/2008-2 Center for Studies of Adaptation to Environmental Changes in the Amazon (INCT ADAPTA II, FAPEAM/CNPq
- 301886/2019-9 Conselho Nacional de Desenvolvimento Científico e Tecnológico , Brasil
- 301886/2019-9 Conselho Nacional de Desenvolvimento Científico e Tecnológico , Brasil
- 301886/2019-9 Conselho Nacional de Desenvolvimento Científico e Tecnológico , Brasil
- 301886/2019-9 Conselho Nacional de Desenvolvimento Científico e Tecnológico , Brasil
- 301886/2019-9 Conselho Nacional de Desenvolvimento Científico e Tecnológico , Brasil
- 301886/2019-9 Conselho Nacional de Desenvolvimento Científico e Tecnológico , Brasil
- National Institute of Amazonian Research, Brazil/PPG Genetics, Conservation and Evolutionary Biology (INPA/GCBEv)
- Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Affiliation(s)
- José Francisco de Sousa E Souza
- Conservation and Evolutionary Biology, INPA, National Amazon Research Institute, Av. André Araújo, 2936, Petrópolis, CEP: 69067-375, Caixa Postal 2223, Manaus, 69060-001, Amazonas, Brazil.
| | - Erika Milena Corrêa Guimarães
- Conservation and Evolutionary Biology, INPA, National Amazon Research Institute, Av. André Araújo, 2936, Petrópolis, CEP: 69067-375, Caixa Postal 2223, Manaus, 69060-001, Amazonas, Brazil
| | - Vanessa Susan Pinheiro Figliuolo
- Conservation and Evolutionary Biology, INPA, National Amazon Research Institute, Av. André Araújo, 2936, Petrópolis, CEP: 69067-375, Caixa Postal 2223, Manaus, 69060-001, Amazonas, Brazil
| | - Simone Cardoso Soares
- Conservation and Evolutionary Biology, INPA, National Amazon Research Institute, Av. André Araújo, 2936, Petrópolis, CEP: 69067-375, Caixa Postal 2223, Manaus, 69060-001, Amazonas, Brazil
| | - Marcelo de Bello Cioffi
- Department of Genetics and Evolution, Federal University of São Carlos, São Carlos, SP, Brazil
| | | | - Eliana Feldberg
- Conservation and Evolutionary Biology, INPA, National Amazon Research Institute, Av. André Araújo, 2936, Petrópolis, CEP: 69067-375, Caixa Postal 2223, Manaus, 69060-001, Amazonas, Brazil
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Nagao K, Tanaka Y, Kajitani R, Toyoda A, Itoh T, Kubota S, Goto Y. Bioinformatic and fine-scale chromosomal mapping reveal the nature and evolution of eliminated chromosomes in the Japanese hagfish, Eptatretus burgeri, through analysis of repetitive DNA families. PLoS One 2023; 18:e0286941. [PMID: 37639389 PMCID: PMC10461843 DOI: 10.1371/journal.pone.0286941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 08/14/2023] [Indexed: 08/31/2023] Open
Abstract
In the Japanese hagfish, Eptatretus burgeri, approximately 21% of the genomic DNA in germ cells (2n = 52) consists of 16 chromosomes (eliminated [E]-chromosomes) that are eliminated from presumptive somatic cells (2n = 36). To uncover the eliminated genome (E-genome), we have identified 16 eliminated repetitive DNA families from eight hagfish species, with 11 of these repeats being selectively amplified in the germline genome of E. burgeri. Furthermore, we have demonstrated that six of these sequences, namely EEEb1-6, are exclusively localized on all 16 E-chromosomes. This has led to the hypothesis that the eight pairs of E-chromosomes are derived from one pair of ancestral chromosomes via multiple duplication events over a prolonged evolutionary period. NGS analysis has recently facilitated the re-assembly of two distinct draft genomes of E. burgeri, derived from the testis and liver. This advancement allows for the prediction of not only nonrepetitive eliminated sequences but also over 100 repetitive and eliminated sequences, accomplished through K-mer-based analysis. In this study, we report four novel eliminated repetitive DNA sequences (designated as EEEb7-10) and confirm the relative chromosomal localization of all eliminated repeats (EEEb1-10) by fluorescence in situ hybridization (FISH). With the exception of EEEb10, all sequences were exclusively detected on EEEb1-positive chromosomes. Surprisingly, EEEb10 was detected as an intense signal on EEEb1-positive chromosomes and as a scattered signal on other chromosomes in germ cells. The study further divided the eight pairs of E-chromosomes into six groups based on the signal distribution of each DNA family, and fiber-FISH experiments showed that the EEEb2-10 family was dispersed in the EEEb1-positive extended chromatin fiber. These findings provide new insights into the mechanisms underlying chromosome elimination and the evolution of E-chromosomes, supporting our previous hypothesis.
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Affiliation(s)
- Kohei Nagao
- Department of Biology, Faculty of Science, Toho University, Funabashi, Chiba, Japan
| | - Yoshiki Tanaka
- Department of Life Science and Technology, School of Life Science and Technology, Tokyo Institute of Technology, Meguro-ku, Tokyo, Japan
| | - Rei Kajitani
- Department of Life Science and Technology, School of Life Science and Technology, Tokyo Institute of Technology, Meguro-ku, Tokyo, Japan
| | - Atsushi Toyoda
- Advanced Genomics Center, National Institute of Genetics, Mishima, Shizuoka, Japan
- Comparative Genomics Laboratory, National Institute of Genetics, Mishima, Shizuoka, Japan
| | - Takehiko Itoh
- Department of Life Science and Technology, School of Life Science and Technology, Tokyo Institute of Technology, Meguro-ku, Tokyo, Japan
| | - Souichirou Kubota
- Department of Biology, Faculty of Science, Toho University, Funabashi, Chiba, Japan
| | - Yuji Goto
- Department of Biology, Faculty of Science, Toho University, Funabashi, Chiba, Japan
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Soares SC, Eler ES, E Silva CEF, da Silva MNF, Araújo NP, Svartman M, Feldberg E. LINE-1 and SINE-B1 mapping and genome diversification in Proechimys species (Rodentia: Echimyidae). Life Sci Alliance 2022; 5:5/6/e202101104. [PMID: 35304430 PMCID: PMC8932440 DOI: 10.26508/lsa.202101104] [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: 04/22/2021] [Revised: 02/25/2022] [Accepted: 02/28/2022] [Indexed: 11/24/2022] Open
Abstract
This study aimed to understand the impact of LINE-1 and SINE-B1 retroelements on the architecture and karyotypic diversification of five rodent species of the genus Proechimys from different regions of the Amazon. Karyotype comparisons were performed using fluorescent interspecific in situ hybridization. The L1 and B1 retroelements showed a non-random arrangement and a conserved pattern when the genomes of the five species of Proechimys were compared, including the two cytotypes of Proechimys guyannensis The signal homeology among the chromosomes and the degree of similarity among the formed clusters indicate rearrangements such as fusion/fission, and demonstrates that these retroelements can behave as derived characters shared in Proechimys The differentiated distribution and organization of these retroelements in the karyotypes and in the chromosomal fiber, respectively, may represent a strong indication of their role as generating sources of karyotypic diversity in the genus Proechimys and provide insights into the evolutionary relationships between taxa.
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Affiliation(s)
- Simone Cardoso Soares
- Pós-Graduação em Genética, Conservação e Biologia Evolutiva, Instituto Nacional de Pesquisas da Amazônia, Manaus, Brazil .,Laboratório de Genética Animal (LGA), Instituto Nacional de Pesquisas da Amazônia, Manaus, Brazil.,Universidade do Estado do Amazonas, Manaus, Brazil
| | - Eduardo Schmidt Eler
- Pós-Graduação em Genética, Conservação e Biologia Evolutiva, Instituto Nacional de Pesquisas da Amazônia, Manaus, Brazil
| | - Carlos Eduardo Faresin E Silva
- Pós-Graduação em Genética, Conservação e Biologia Evolutiva, Instituto Nacional de Pesquisas da Amazônia, Manaus, Brazil.,Laboratório de Genética Animal (LGA), Instituto Nacional de Pesquisas da Amazônia, Manaus, Brazil
| | | | - Naiara Pereira Araújo
- Departamento de Genética, Ecologia e Evolução, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.,Instituto Federal de Educação, Ciência e Tecnologia de Rondônia campus Jaru, Jaru, Brazil
| | - Marta Svartman
- Departamento de Genética, Ecologia e Evolução, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Eliana Feldberg
- Pós-Graduação em Genética, Conservação e Biologia Evolutiva, Instituto Nacional de Pesquisas da Amazônia, Manaus, Brazil.,Laboratório de Genética Animal (LGA), Instituto Nacional de Pesquisas da Amazônia, Manaus, Brazil
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Leite PPDM, Sassi FDMC, Marinho MMF, Nirchio M, Moraes RLRD, Toma GA, Bertollo LAC, Cioffi MDB. Tracking the evolutionary pathways among Brazilian Lebiasina species (Teleostei: Lebiasinidae): a chromosomal and genomic comparative investigation. NEOTROPICAL ICHTHYOLOGY 2022. [DOI: 10.1590/1982-0224-2021-0153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Abstract Despite several difficulties in chromosomal analyses of small-sized fishes, the cytogenetics of the Lebiasinidae was largely improved in the last years, showing differential patterns in the chromosomal evolution inside the family. In this context, it has been shown that genus Lebiasina preserves its karyotypic macrostructure, composed of 2n = 36 chromosomes, whereas the other genera generally present higher 2n. This study focused on the comparative cytogenetics of three Lebiasina species, one of them analyzed here for the first time, using conventional and molecular procedures. The results reinforced the differentiated evolutionary path of the genus Lebiasina while, at the same time, highlighted the genomic particularities that have accompanied the evolution of each species. In this sense, the repetitive components of the genome played a significant role in the differentiation of each species. It is also notable that L. minuta and L. melanoguttata, the two species that occur exclusively in the Brazilian territory, show greater chromosomal similarities to each other than to the trans-Andean sister species, L. bimaculata.
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de Moraes RLR, Sassi FDMC, Bertollo LAC, Marinho MMF, Viana PF, Feldberg E, Oliveira VCS, Deon GA, Al-Rikabi ABH, Liehr T, Cioffi MDB. Tracking the Evolutionary Trends Among Small-Size Fishes of the Genus Pyrrhulina (Characiforme, Lebiasinidae): New Insights From a Molecular Cytogenetic Perspective. Front Genet 2021; 12:769984. [PMID: 34691160 PMCID: PMC8526856 DOI: 10.3389/fgene.2021.769984] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 09/22/2021] [Indexed: 11/13/2022] Open
Abstract
Miniature fishes have always been a challenge for cytogenetic studies due to the difficulty in obtaining chromosomal preparations, making them virtually unexplored. An example of this scenario relies on members of the family Lebiasinidae which include miniature to medium-sized, poorly known species, until very recently. The present study is part of undergoing major cytogenetic advances seeking to elucidate the evolutionary history of lebiasinids. Aiming to examine the karyotype diversification more deeply in Pyrrhulina, here we combined classical and molecular cytogenetic analyses, including Giemsa staining, C-banding, repetitive DNA mapping, comparative genomic hybridization (CGH), and whole chromosome painting (WCP) to perform the first analyses in five Pyrrhulina species (Pyrrhulina aff. marilynae, Pyrrhulina sp., P. obermulleri, P. marilynae and Pyrrhulina cf. laeta). The diploid number (2n) ranged from 40 to 42 chromosomes among all analyzed species, but P. marilynae is strikingly differentiated by having 2n = 32 chromosomes and a karyotype composed of large meta/submetacentric chromosomes, whose plesiomorphic status is discussed. The distribution of microsatellites does not markedly differ among species, but the number and position of the rDNA sites underwent significant changes among them. Interspecific comparative genome hybridization (CGH) found a moderate divergence in the repetitive DNA content among the species’ genomes. Noteworthy, the WCP reinforced our previous hypothesis on the origin of the X1X2Y multiple sex chromosome system in P. semifasciata. In summary, our data suggest that the karyotype differentiation in Pyrrhulina has been driven by major structural rearrangements, accompanied by high dynamics of repetitive DNAs.
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Affiliation(s)
- Renata Luiza Rosa de Moraes
- Laboratorio de Citogenética de Peixes, Departamento de Genética e Evolução, Universidade Federal de São Carlos (UFSCar), São Carlos, Brazil
| | | | - Luiz Antonio Carlos Bertollo
- Laboratorio de Citogenética de Peixes, Departamento de Genética e Evolução, Universidade Federal de São Carlos (UFSCar), São Carlos, Brazil
| | - Manoela Maria Ferreira Marinho
- Museu de Zoologia da Universidade de São Paulo (MZUSP), São Paulo, Brazil.,Laboratório de Sistemática e Morfologia de Peixes, Departamento de Sistemática e Ecologia (DSE), Universidade Federal da Paraíba (UFPB), João Pessoa, Brazil
| | - Patrik Ferreira Viana
- Laboratório de Gentética Animal, Instituto Nacional de Pesquisa da Amazônia, Coordenação de Biodiversidade, Manaus, Brazil
| | - Eliana Feldberg
- Laboratório de Gentética Animal, Instituto Nacional de Pesquisa da Amazônia, Coordenação de Biodiversidade, Manaus, Brazil
| | - Vanessa Cristina Sales Oliveira
- Laboratorio de Citogenética de Peixes, Departamento de Genética e Evolução, Universidade Federal de São Carlos (UFSCar), São Carlos, Brazil
| | - Geize Aparecida Deon
- Laboratorio de Citogenética de Peixes, Departamento de Genética e Evolução, Universidade Federal de São Carlos (UFSCar), São Carlos, Brazil.,Laboratório de Biologia Cromossômica, Estrutura e Função, Departamento de Biologia Estrutural, Molecular e Genética, Universidade Estadual de Ponta Grossa, Ponta Grossa, Brazil
| | | | - Thomas Liehr
- Institute of Human Genetics, University Hospital Jena, Jena, Germany
| | - Marcelo de Bello Cioffi
- Laboratorio de Citogenética de Peixes, Departamento de Genética e Evolução, Universidade Federal de São Carlos (UFSCar), São Carlos, Brazil
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