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de Souza-Firmino TS, Alevi KCC, Itoyama MM. Chromosomal divergence and evolutionary inferences in Pentatomomorpha infraorder (Hemiptera, Heteroptera) based on the chromosomal location of ribosomal genes. PLoS One 2020; 15:e0228631. [PMID: 32017800 PMCID: PMC6999898 DOI: 10.1371/journal.pone.0228631] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Accepted: 01/21/2020] [Indexed: 11/23/2022] Open
Abstract
With the objective of assisting in the understanding of the chromosome evolution of Pentatomomorpha and in the quest to understand how the genome organizes/reorganizes for the chromosomal position of the 45S rDNA in this infraorder, we analyzed 15 species (it has being 12 never studied before by FISH) of Pentatomomorpha with the probe of 18S rDNA. The mapping of the 45S gene in the Coreidae family demonstrated that the species presented markings on the autosomes, with the exception of Acanthocephala parensis and Leptoglossus gonagra that showed markers on m-chromosomes. Most species of the Pentatomidae family showed marking in the autosomes, except for two species that had 45S rDNA on X sex chromosome (Odmalea sp. and Graphosoma lineatum) and two that showed marking on the X and Y sex chromosomes. Species of the Pyrrhocoridae family showed 18S rDNA markers in autosomes, X chromosome as well as in Neo X. The Largidae and Scutelleridae families were represented by only one species that showed marking on the X sex chromosome and on a pair of autosomes, respectively. Based on this, we characterized the arrangement of 45S DNAr in the chromosomes of 12 new species of Heteroptera and discussed the main evolutionary events related to the genomic reorganization of these species during the events of chromosome and karyotype evolution in Pentatomomorpha infraorder.
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Affiliation(s)
- Tatiani Seni de Souza-Firmino
- Departamento de Biologia, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista “Júlio de Mesquita Filho”, Câmpus de São José do Rio Preto, São José do Rio Preto, SP, Brazil
| | - Kaio Cesar Chaboli Alevi
- Departamento de Ciências Biológicas, Faculdade de Ciências Farmacêuticas de Araraquara, Universidade Estadual Paulista “Júlio de Mesquita Filho”, Câmpus de Araraquara, Araraquara, SP, Brazil
| | - Mary Massumi Itoyama
- Departamento de Biologia, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista “Júlio de Mesquita Filho”, Câmpus de São José do Rio Preto, São José do Rio Preto, SP, Brazil
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Pita S, Lorite P, Nattero J, Galvão C, Alevi KCC, Teves SC, Azeredo-Oliveira MTV, Panzera F. New arrangements on several species subcomplexes of Triatoma genus based on the chromosomal position of ribosomal genes (Hemiptera - Triatominae). INFECTION GENETICS AND EVOLUTION 2016; 43:225-31. [PMID: 27245153 DOI: 10.1016/j.meegid.2016.05.028] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2016] [Revised: 05/18/2016] [Accepted: 05/19/2016] [Indexed: 11/28/2022]
Abstract
The hemipteran subfamily Triatominae includes 150 blood-sucking species, vectors of Chagas disease. By far the most specious genus is Triatoma, assembled in groups, complexes and subcomplexes based on morphological similarities, geographic distribution and genetic data. However, many molecular studies questioned the species integration of several subcomplexes as monophyletic units. In triatomines, chromosomal position of major ribosomal DNA (rDNA) loci is extremely variable but seems to be species-specific and an evolutionary conserved genetic trait, so that closely related species tend to have ribosomal clusters in the same chromosomal location. Considering that the autosomal position as the ancestral character for all heteropteran species, including triatomines, we suggest that the movement of rDNA loci from autosomes to sex chromosomes rapidly established reproductive barriers between divergent lineages. We proposed that the rDNA translocation from the autosomes to the sex chromosomes restrict reproductive compatibility and eventually promote speciation processes. We analyzed the chromosomal position of 45S rDNA clusters in almost all species of the matogrossensis, rubrovaria, maculata and sordida subcomplexes. The fluorescent in situ hybridization results are discussed considering the available genetic data and we proposed new arrangements in the species that constitute each one of these subcomplexes.
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Affiliation(s)
- Sebastián Pita
- Sección Genética Evolutiva, Facultad de Ciencias, Universidad de la República, Montevideo, Uruguay
| | - Pedro Lorite
- Departamento de Biología Experimental, Área de Genética, Universidad de Jaén, Jaén, Spain
| | - Julieta Nattero
- Cátedra de Introducción a la Biología, Facultad de Ciencias Exactas Físicas y Naturales, Instituto de Investigaciones Biológicas y Tecnológicas (IIByT), Universidad Nacional de Córdoba (UNC-CONICET), Córdoba, Argentina
| | - Cleber Galvão
- Laboratório Nacional e Internacional de Referência em Taxonomia de Triatomíneos, Instituto Oswaldo Cruz - FIOCRUZ, Rio de Janeiro, Brazil
| | - Kaio C C Alevi
- Laboratorio de Biologia Celular, Departamento de Biologia, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista "Júlio de Mesquita Filho" (IBILCE-UNESP), São José do Rio Preto, São Paulo, Brazil
| | - Simone C Teves
- Laboratório Interdisciplinar de Vigilância Entomológica em Diptera e Hemiptera (LIVEDIH), Instituto Oswaldo Cruz/Fundação Oswaldo Cruz, Rio de Janeiro, Brazil; Programa de Pós-Graduação em Biologia Animal, Universidade Federal Rural do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Maria T V Azeredo-Oliveira
- Laboratorio de Biologia Celular, Departamento de Biologia, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista "Júlio de Mesquita Filho" (IBILCE-UNESP), São José do Rio Preto, São Paulo, Brazil
| | - Francisco Panzera
- Sección Genética Evolutiva, Facultad de Ciencias, Universidad de la República, Montevideo, Uruguay.
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Bardella VB, Fernandes T, Vanzela ALL. The conservation of number and location of 18S sites indicates the relative stability of rDNA in species of Pentatomomorpha (Heteroptera). Genome 2013; 56:425-9. [PMID: 24099395 DOI: 10.1139/gen-2013-0140] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Fluorescent in situ hybridization (FISH) with rDNA probes has been used for comparative cytogenetics studies in different groups of organisms. Although heteropterans are a large suborder within Hemiptera, studies using rDNA are limited to the infraorder Cimicomorpha, in which rDNA sites are present in the autosomes or sex chromosomes. We isolated and sequenced a conserved 18S rDNA region of Antiteuchus tripterus (Pentatomidae) and used it as a probe against chromosomes of 25 species belonging to five different families of Pentatomomorpha. The clone pAt05, with a length of 736 bp, exhibited a conserved stretch of 590 bp. FISH analysis with the probe pAt05 always demonstrated hybridization signals in sub-terminal positions, except for Euschistus heros. Apparently, there is a tendency for 18S rDNA sites to locate in autosomes, except for Leptoglossus gonagra and Euryophthalmus rufipennis, which showed signals in the m- and sex chromosomes, respectively. Although FISH has produced evidence that rearrangements are involved in rDNA repositioning, whether in different autosomes or between sex and m-chromosomes, we have no conclusive evidence of what were the pathways of these rearrangements based on the evolutionary history of the species studied here. Nevertheless, the diversity in the number of species analyzed here showed a tendency of 18S rDNA to remain among the autosomes.
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Affiliation(s)
- Vanessa Bellini Bardella
- a Departamento de Biologia, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista, São José do Rio Preto, 15054-000, SP, Brazil
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López‐López A, Hudson P, Galián J. Recent origin of a chiasmatic sex trivalent in
A
ustralian
P
seudotetracha
tiger beetles. J Zool (1987) 2012. [DOI: 10.1111/jzo.12003] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- A. López‐López
- Departamento de Zoología y Antropología Física Edificio Facultad de Veterinaria Universidad de Murcia Murcia Spain
| | - P. Hudson
- South Australian Museum Adelaide SA Australia
| | - J. Galián
- Departamento de Zoología y Antropología Física Edificio Facultad de Veterinaria Universidad de Murcia Murcia Spain
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J. R. Proença S, R. M. Serrano A, Serrano J, Galián J. Patterns of rDNA chromosomal localization in Palearctic Cephalota and Cylindera (Coleoptera: Carabidae: Cicindelini) with different numbers of X-chromosomes. COMPARATIVE CYTOGENETICS 2011; 5:47-59. [PMID: 24260618 PMCID: PMC3833729 DOI: 10.3897/compcytogen.v5i1.962] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2011] [Accepted: 03/16/2011] [Indexed: 06/02/2023]
Abstract
The ribosomal clusters of six Paleartic taxa belonging to the tiger beetle genera Cephalota Dokhtourow, 1883and Cylindera Westwood, 1831, with multiple sex chromosomes (XXY, XXXY and XXXXY) have been localised on mitotic and meiotic cells by fluorescence in situ hybridization (FISH), using a PCR-amplified 18S rDNA fragment as a probe. Four patterns of rDNA localization in these tiger beetles were found: 1. Two clusters located in one autosomal pair; 2. Two clusters located in one autosomal pair and one in an X chromosome; 3. Three clusters located in three heterosomes (XXY); 4. Two clusters located in one autosomal pair and two in the heterosomes (one of the Xs and the Y). These results illustrate that ribosomal cistrons have changed their number and localization during the evolution of these genera, showing a dynamic rather than a conservative pattern. These changes in rDNA localization are uncoupled with changes in the number of autosomes and/or heterosomes. A mechanism that involves transposable elements that carry ribosomal cistrons appears to be the most plausible explanation for these dynamics that involve jumping from one location in the genome to another, in some cases leaving copies in the original location.
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Affiliation(s)
- Sonia J. R. Proença
- Centro de Biologia Ambiental/Departamento de Biologia Animal/, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, Bloco C2 - 3º Piso, 1700 Lisboa, Portugal
| | - Artur R. M. Serrano
- Centro de Biologia Ambiental/Departamento de Biologia Animal/, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, Bloco C2 - 3º Piso, 1700 Lisboa, Portugal
| | - José Serrano
- Centro de Biologia Ambiental/Departamento de Biologia Animal/, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, Bloco C2 - 3º Piso, 1700 Lisboa, Portugal
| | - José Galián
- Centro de Biologia Ambiental/Departamento de Biologia Animal/, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, Bloco C2 - 3º Piso, 1700 Lisboa, Portugal
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