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Azevedo LMS, Cesaretto NR, de Oliveira J, Ravazi A, Dos Reis YV, Tadini SCAF, da Silva Masarin I, Borsatto KC, Galvão C, da Rosa JA, de Azeredo-Oliveira MTV, Alevi KCC. First evidence of gonadal hybrid dysgenesis in Chagas disease vectors (Hemiptera, Triatominae): gonad atrophy prevents events of interspecific gene flow and introgression. Parasit Vectors 2023; 16:390. [PMID: 37891624 PMCID: PMC10604409 DOI: 10.1186/s13071-023-06006-6] [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] [Received: 03/09/2023] [Accepted: 10/08/2023] [Indexed: 10/29/2023] Open
Abstract
BACKGROUND Hybridization events between Triatoma spp. have been observed under both natural and laboratory conditions. The ability to produce hybrids can influence different aspects of the parent species, and may even result in events of introgression, speciation and extinction. Hybrid sterility is caused by unviable gametes (due to errors in chromosomal pairing [meiosis]) or by gonadal dysgenesis (GD). All of the triatomine hybrids analyzed so far have not presented GD. We describe here for the first time GD events in triatomine hybrids and highlight these taxonomic and evolutionary implications of these events. METHODS Reciprocal experimental crosses were performed between Triatoma longipennis and Triatoma mopan. Intercrosses were also performed between the hybrids, and backcrosses were performed between the hybrids and the parent species. In addition, morphological and cytological analyzes were performed on the atrophied gonads of the hybrids. RESULTS Hybrids were obtained only for the crosses T. mopan♀ × T. longipennis♂. Intercrosses and backcrosses did not result in offspring. Morphological analyses of the male gonads of the hybrids confirmed that the phenomenon that resulted in sterility of the hybrid was bilateral GD (the gonads of the hybrids were completely atrophied). Cytological analyses of the testes of the hybrids also confirmed GD, with no germ cells observed (only somatic cells, which make up the peritoneal sheath). CONCLUSIONS The observations made during this study allowed us to characterize, for the first time, GD in triatomines and demonstrated that gametogenesis does not occur in atrophied gonads. The characterization of GD in male hybrids resulting from the crossing of T. mopan♀ × T. longipennis♂ highlights the importance of evaluating both the morphology and the cytology of the gonads to confirm which event resulted in the sterility of the hybrid: GD (which results in no gamete production) or meiotic errors (which results in non-viable gametes).
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Affiliation(s)
- Luísa Martins Sensato Azevedo
- Laboratório de Biologia Celular, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Rua Cristóvão Colombo 2265, 15054-000, São José Do Rio Preto, SP, Brazil
| | - Natália Regina Cesaretto
- Instituto de Biociências, Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Rua Dr. Antônio Celso Wagner Zanin 250, Distrito de Rubião Júnior, 18618-689, Botucatu, SP, Brazil
| | - Jader de Oliveira
- Laboratório de Entomologia em Saúde Pública, Departamento de Epidemiologia, Faculdade de Saúde Pública, Universidade de São Paulo (USP), Av. Dr. Arnaldo 715, São Paulo, SP, Brazil
| | - Amanda Ravazi
- Instituto de Biociências, Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Rua Dr. Antônio Celso Wagner Zanin 250, Distrito de Rubião Júnior, 18618-689, Botucatu, SP, Brazil
| | - Yago Visinho Dos Reis
- Instituto de Biociências, Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Rua Dr. Antônio Celso Wagner Zanin 250, Distrito de Rubião Júnior, 18618-689, Botucatu, SP, Brazil
| | - Samanta Cristina Antoniassi Fernandes Tadini
- Instituto de Biociências, Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Rua Dr. Antônio Celso Wagner Zanin 250, Distrito de Rubião Júnior, 18618-689, Botucatu, SP, Brazil
| | - Isabella da Silva Masarin
- Instituto de Biociências, Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Rua Dr. Antônio Celso Wagner Zanin 250, Distrito de Rubião Júnior, 18618-689, Botucatu, SP, Brazil
| | - Kelly Cristine Borsatto
- Laboratório de Biologia Celular, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Rua Cristóvão Colombo 2265, 15054-000, São José Do Rio Preto, SP, Brazil
| | - Cleber Galvão
- Laboratório Nacional e Internacional de Referência em Taxonomia de Triatomíneos, Instituto Oswaldo Cruz (FIOCRUZ), Av. Brasil 4365, Pavilhão Rocha Lima, Sala 505, 21040-360, Rio de Janeiro, RJ, Brazil.
| | - João Aristeu da Rosa
- Laboratório de Parasitologia, Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Rodovia Araraquara-Jaú Km 1, 14801-902, Araraquara, SP, Brazil
| | - Maria Tercília Vilela de Azeredo-Oliveira
- Laboratório de Biologia Celular, Instituto de Biociências, Letras e Ciências Exatas, Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Rua Cristóvão Colombo 2265, 15054-000, São José Do Rio Preto, SP, Brazil
| | - Kaio Cesar Chaboli Alevi
- Instituto de Biociências, Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Rua Dr. Antônio Celso Wagner Zanin 250, Distrito de Rubião Júnior, 18618-689, Botucatu, SP, Brazil
- Laboratório de Entomologia em Saúde Pública, Departamento de Epidemiologia, Faculdade de Saúde Pública, Universidade de São Paulo (USP), Av. Dr. Arnaldo 715, São Paulo, SP, Brazil
- Laboratório Nacional e Internacional de Referência em Taxonomia de Triatomíneos, Instituto Oswaldo Cruz (FIOCRUZ), Av. Brasil 4365, Pavilhão Rocha Lima, Sala 505, 21040-360, Rio de Janeiro, RJ, Brazil
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Martínez-Ibarra JA, Nogueda-Torres B, Meraz-Medina T, Goicochea Del Rosal G. Crossing experiments detect partial reproductive isolation among populations of Triatoma longipennis (Hemiptera: Reduviidae: Triatominae). JOURNAL OF MEDICAL ENTOMOLOGY 2023; 60:998-1007. [PMID: 37459050 DOI: 10.1093/jme/tjad087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 05/30/2023] [Accepted: 06/22/2023] [Indexed: 09/13/2023]
Abstract
Chagas disease is an important vector-borne disease endemic in Mexico. Of the 33 triatomine species found in Mexico, Triatoma longipennis (Usinger) is considered among the most important because of its infection indices, capacity for transmitting Trypanosoma cruzi (Chagas), and its distribution areas. Here, we describe the results of a reproductive isolation analysis among 5 populations of T. longipennis collected from representative areas of Mexico. Fertility and segregation of morphological characteristics were examined in two generations of hybrids. The percentage of pairs with (fertile) offspring varied from 30% to 100% in the parental crosses, while these values varied from 0 to 100% in the intersite crosses. Our results indicate partial reproductive isolation among these populations. These findings shed light on the potential presence of a cryptic species complex of T. longipennis in Mexico.
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Affiliation(s)
- José Alejandro Martínez-Ibarra
- Laboratorio de Entomología Médica, Departamento de Ciencias de la Naturaleza, Centro Universitario del Sur, Universidad de Guadalajara, Av. Enrique Arreola Silva 883, 49000, Ciudad Guzmán, Jalisco, México
| | - Benjamín Nogueda-Torres
- Becario de COFAA, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México, México
| | - Tzintli Meraz-Medina
- Laboratorio de Entomología Médica, Departamento de Ciencias de la Naturaleza, Centro Universitario del Sur, Universidad de Guadalajara, Av. Enrique Arreola Silva 883, 49000, Ciudad Guzmán, Jalisco, México
- Departamento de Ciencias Básicas, Centro Universitario del Sur, Universidad de Guadalajara, Av. Enrique Arreola Silva 883, 49000, Ciudad Guzmán, Jalisco, México
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Martínez-Ibarra JA, Villagrán-Herrera ME, de Diego-Cabrera JA, Michel-Parra JG. Biological aspects of crosses between populations of Triatoma mexicana (Hemiptera: Reduviidae: Triatominae). JOURNAL OF MEDICAL ENTOMOLOGY 2023; 60:470-477. [PMID: 36921083 DOI: 10.1093/jme/tjad016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 01/10/2023] [Accepted: 02/02/2023] [Indexed: 05/13/2023]
Abstract
We examined the degree of reproductive isolation in four populations of Triatoma mexicana Herrich-Schaeffer from Mexico along with fertility and the segregation of morphological characteristics in two generations of offspring from crosses between these populations. The percentage of couples with (fertile) offspring was high among all sets of crosses between cohorts from Peñamiller, Meztitlán, and Orizabita. It was low in crosses involving a cohort from Tierra Blanca, mainly in crosses with Meztitlán. Among sets of crosses involving Tierra Blanca specimens, whole first-generation (F1) individuals were morphologically similar to the specimens from other locations. All F1 individuals of crosses involving Peñamiller looked like Peñamiller. However, in crosses between F1 and F1 progeny of parental crosses, alleles for size, overall color, length of head, ante and post ocular distance, and humeral angle apparently had Mendelian dominant/recessive relationships. The cohorts from Peñamiller and Meztitlán seemed to be dominant with respect to Orizabita and Tierra Blanca. Results indicated that cohorts from Peñamiller, Meztitlán, and Orizabita were not reproductively isolated. In contrast, Tierra Blanca was reproductively isolated from the other three populations of T. mexicana and is apparently undergoing an early divergence process of speciation for allopatry.
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Affiliation(s)
- José Alejandro Martínez-Ibarra
- Laboratorio de Entomología Médica, Departamento de Ciencias de la Naturaleza, Centro Universitario del Sur, Universidad de Guadalajara, Av. Enrique Arreola Silva 883, 49000, Ciudad Guzmán, Jalisco, México
- Cuerpo Académico Cuencas, Humedales y Sustentabilidad, Departamento de Ciencias de la Naturaleza, Centro Universitario del Sur, Universidad de Guadalajara, Av. Enrique Arreola Silva 883, 49000, Ciudad Guzmán, Jalisco, México
| | - María Elena Villagrán-Herrera
- Departamento de Investigación Biomédica, Facultad de Medicina, Universidad Autónoma de Querétaro, Santiago de Querétaro, Querétaro, México
| | - José Antonio de Diego-Cabrera
- Departamento de Medicina Preventiva y Salud Pública, Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, España
| | - J Guadalupe Michel-Parra
- Cuerpo Académico Cuencas, Humedales y Sustentabilidad, Departamento de Ciencias de la Naturaleza, Centro Universitario del Sur, Universidad de Guadalajara, Av. Enrique Arreola Silva 883, 49000, Ciudad Guzmán, Jalisco, México
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dos Reis YV, de Oliveira J, Madeira FF, Ravazi A, de Oliveira ABB, de Mello DV, Campos FF, de Azeredo-Oliveira MTV, da Rosa JA, Galvão C, Alevi KCC. Trends in evolution of the Triatomini tribe (Hemiptera, Triatominae): reproductive incompatibility between four species of geniculatus clade. Parasit Vectors 2022; 15:403. [PMID: 36324186 PMCID: PMC9632112 DOI: 10.1186/s13071-022-05540-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 10/14/2022] [Indexed: 11/06/2022] Open
Abstract
Background The geniculatus clade, composed by the rufotuberculatus, lignarius, geniculatus and megistus groups, relates evolutionarily the species of the genus Panstrongylus and Nesotriatoma. Several studies have shown that triatomine hybrids can play an important role in the transmission of Chagas disease. Natural hybrids between species of the geniculatus clade have never been reported to our knowledge. Thus, carrying out experimental crosses between species of the geniculatus clade can help to elucidate the taxonomic issues as well as contribute to the epidemiological knowledge of this group. Methods Experimental crosses were carried out between species of the megistus and lignarius groups to evaluate the reproductive compatibility between them. A phylogenetic reconstruction was also performed with data available in GenBank for the species of the geniculatus clade to show the relationships among the crossed species. Results Phylogenetic analysis grouped the species of the geniculatus clade into four groups, as previously reported. In the interspecific crosses performed there was no hatching of eggs, demonstrating the presence of prezygotic barriers between the crossed species and confirming their specific status. Conclusions In contrast to the other groups of the Triatomini tribe, as well as the Rhodniini, there are prezygotic barriers that prevent the formation of hybrids between species of the megistus and lignarius groups. Thus, the geniculatus clade may represent an important evolutionary model for Triatominae, highlighting the need for further studies with greater sample efforts for this clade (grouping the 17 species of Panstrongylus and the three of Nesotriatoma). Graphical Abstract ![]()
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Affiliation(s)
- Yago Visinho dos Reis
- grid.410543.70000 0001 2188 478XInstituto de Biociências Rua Dr. Antônio Celso Wagner Zanin, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), 250, Distrito de Rubião Júnior, Botucatu, SP 18618-689 Brasil
| | - Jader de Oliveira
- grid.11899.380000 0004 1937 0722Laboratório de Entomologia em Saúde Pública, Departamento de Epidemiologia, Faculdade de Saúde Pública, Universidade de São Paulo (USP), Av. Dr. Arnaldo 715, São Paulo, SP Brasil
| | - Fernanda Fernandez Madeira
- grid.410543.70000 0001 2188 478XLaboratório de Biologia Celular, Instituto de Biociências, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), Letras e Ciências Exatas, Rua Cristóvão Colombo 2265, São José Do Rio Preto, SP 15054-000 Brasil
| | - Amanda Ravazi
- grid.410543.70000 0001 2188 478XInstituto de Biociências Rua Dr. Antônio Celso Wagner Zanin, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), 250, Distrito de Rubião Júnior, Botucatu, SP 18618-689 Brasil
| | - Ana Beatriz Bortolozo de Oliveira
- grid.410543.70000 0001 2188 478XLaboratório de Biologia Celular, Instituto de Biociências, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), Letras e Ciências Exatas, Rua Cristóvão Colombo 2265, São José Do Rio Preto, SP 15054-000 Brasil
| | - Denis Vinicius de Mello
- grid.410543.70000 0001 2188 478XInstituto de Biociências Rua Dr. Antônio Celso Wagner Zanin, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), 250, Distrito de Rubião Júnior, Botucatu, SP 18618-689 Brasil
| | - Fabricio Ferreira Campos
- grid.410543.70000 0001 2188 478XLaboratório de Biologia Celular, Instituto de Biociências, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), Letras e Ciências Exatas, Rua Cristóvão Colombo 2265, São José Do Rio Preto, SP 15054-000 Brasil
| | - Maria Tercília Vilela de Azeredo-Oliveira
- grid.410543.70000 0001 2188 478XLaboratório de Biologia Celular, Instituto de Biociências, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), Letras e Ciências Exatas, Rua Cristóvão Colombo 2265, São José Do Rio Preto, SP 15054-000 Brasil
| | - João Aristeu da Rosa
- grid.410543.70000 0001 2188 478XLaboratório de Parasitologia, Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), Rodovia Araraquara-Jaú Km 1, 14801-902 Araraquara, SP Brasil
| | - Cleber Galvão
- grid.418068.30000 0001 0723 0931Instituto Oswaldo Cruz (FIOCRUZ), Laboratório Nacional e Internacional de Referência em Taxonomia de Triatomíneos, Av. Brasil 4365, Pavilhão Rocha Lima, Sala 505, 21040-360 Rio de Janeiro, RJ Brasil
| | - Kaio Cesar Chaboli Alevi
- grid.410543.70000 0001 2188 478XInstituto de Biociências Rua Dr. Antônio Celso Wagner Zanin, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), 250, Distrito de Rubião Júnior, Botucatu, SP 18618-689 Brasil ,grid.11899.380000 0004 1937 0722Laboratório de Entomologia em Saúde Pública, Departamento de Epidemiologia, Faculdade de Saúde Pública, Universidade de São Paulo (USP), Av. Dr. Arnaldo 715, São Paulo, SP Brasil ,grid.418068.30000 0001 0723 0931Instituto Oswaldo Cruz (FIOCRUZ), Laboratório Nacional e Internacional de Referência em Taxonomia de Triatomíneos, Av. Brasil 4365, Pavilhão Rocha Lima, Sala 505, 21040-360 Rio de Janeiro, RJ Brasil
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Pinotti H, de Oliveira J, Ravazi A, Madeira FF, dos Reis YV, de Oliveira ABB, de Azeredo-Oliveira MTV, da Rosa JA, Alevi KCC. Revisiting the hybridization processes in the Triatoma brasiliensis complex (Hemiptera, Triatominae): Interspecific genomic compatibility point to a possible recent diversification of the species grouped in this monophyletic complex. PLoS One 2021; 16:e0257992. [PMID: 34653197 PMCID: PMC8519420 DOI: 10.1371/journal.pone.0257992] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 09/15/2021] [Indexed: 11/24/2022] Open
Abstract
Triatomines are hematophagous insects of great epidemiological importance, since they are vectors of the protozoan Trypanosoma cruzi, the etiological agent of Chagas disease. Triatoma brasiliensis complex is a monophyletic group formed by two subspecies and six species: T. b. brasiliensis, T. b. macromelasoma, T. bahiensis, T. juazeirensis, T. lenti, T. melanica, T. petrocchiae and T. sherlocki. The specific status of several species grouped in the T. brasiliensis complex was confirmed from experimental crossing and analysis of reproductive barriers. Thus, we perform interspecific experimental crosses between T. lenti and other species and subspecies of the T. brasiliensis complex and perform morphological analysis of the gonads and cytogenetic analysis in the homeologous chromosomes of the hybrids of first generation (F1). Besides that, we rescue all the literature data associated with the study of reproductive barriers in this monophyletic complex of species and subspecies. For all crosses performed between T. b. brasiliensis, T. b. macromelasoma, T. juazeirensis and T. melanica with T. lenti, interspecific copulas occurred (showing absence of mechanical isolation), hybrids were obtained, none of the male hybrids presented the phenomenon of gonadal dysgenesis and 100% pairing between the chromosomes homeologous of the hybrids was observed. Thus, we demonstrate that there are no pre-zygotic reproductive barriers installed between T. lenti and the species and subspecies of the T. brasiliensis complex. In addition, we demonstrate that the hybrids obtained between these crosses have high genomic compatibility and the absence of gonadal dysgenesis. These results point to reproductive compatibility between T. lenti and species and subspecies of the T. brasiliensis complex (confirming its inclusion in the complex) and lead us to suggest a possible recent diversification of the taxa of this monophyletic group.
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Affiliation(s)
- Heloisa Pinotti
- Laboratório de Parasitologia, Departamento de Ciências Biológicas, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), Faculdade de Ciências Farmacêuticas, Araraquara, São Paulo, Brasil
| | - Jader de Oliveira
- Laboratório de Parasitologia, Departamento de Ciências Biológicas, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), Faculdade de Ciências Farmacêuticas, Araraquara, São Paulo, Brasil
| | - Amanda Ravazi
- Instituto de Biociências, Universidade Estadual Paulista “Júlio de Mesquita Filho”, IBB/UNESP, Botucatu, São Paulo, Brasil
| | - Fernanda Fernandez Madeira
- Laboratório 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, Brasil
| | - Yago Visinho dos Reis
- Instituto de Biociências, Universidade Estadual Paulista “Júlio de Mesquita Filho”, IBB/UNESP, Botucatu, São Paulo, Brasil
| | - Ana Beatriz Bortolozo de Oliveira
- Laboratório 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, Brasil
| | - Maria Tercília Vilela de Azeredo-Oliveira
- Laboratório 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, Brasil
| | - João Aristeu da Rosa
- Laboratório de Parasitologia, Departamento de Ciências Biológicas, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), Faculdade de Ciências Farmacêuticas, Araraquara, São Paulo, Brasil
| | - Kaio Cesar Chaboli Alevi
- Laboratório de Parasitologia, Departamento de Ciências Biológicas, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), Faculdade de Ciências Farmacêuticas, Araraquara, São Paulo, Brasil
- Instituto de Biociências, Universidade Estadual Paulista “Júlio de Mesquita Filho”, IBB/UNESP, Botucatu, São Paulo, Brasil
- * E-mail:
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Rivadeneira-Barreiro PE, Montes de Oca-Jiménez R, Vázquez-Chagoyán JC, Martínez-Subiela S, Morán-Loor A, Ochoa-García L, Zambrano-Rodríguez PC, Garg NJ, Varela-Guerrero JA. Trypanosoma cruzi co-infections with other vector borne diseases are frequent in dogs from the pacific coast of Ecuador. Microb Pathog 2021; 155:104884. [PMID: 33864876 DOI: 10.1016/j.micpath.2021.104884] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 03/20/2021] [Accepted: 03/22/2021] [Indexed: 10/21/2022]
Abstract
Dogs are a reservoir for Chagas disease, caused by Trypanosoma cruzi (T. cruzi), and other companion vector-borne diseases, including ehrlichiosis (Ehrlichia canis and Ehrlichia ewingii), anaplasmosis (Anaplasma phagocytophilum and Anaplasma platys), dirofilariasis (Dirofilaria immitis) and Lyme disease (Borrelia burgdorferi). This study has two key objectives: 1) to determine seroreactivity against T. cruzi in dogs from the town of Colón, in Portoviejo city, in the central coast of Ecuador; and 2) to establish the coinfection frequency of other companion vector-borne diseases in dogs positive for T. cruzi. Antibodies against T. cruzi were detected using two enzyme-linked immunosorbent assays. Diagnostic consensus between ELISA tests was established using the Cohen's Kappa coefficient. Other haemoparasitic diseases were detected using the IDEXX SNAP® 4Dx® kit in dogs previously diagnosed as T. cruzi-seropositive. From 84 dogs sampled, 57.14% (48/84) tested positive for T. cruzi. Co-infection analysis of 25 dogs positive for T. cruzi revealed antibodies also against Ehrlichia spp. (48%), Anaplasma spp. (28%), and Dirofilaria immitis (12%). These results provide a novel perspective regarding the status of these pathogens which co-infect dogs in Colón. Since all these pathogens are zoonotic, our findings should warn regional health authorities to implement sanitary programs, to better prevent and control vectors associated to these pathogens. On the other hand, human and veterinarian doctors, should consider that patients with a cardiac infection condition could be suffering co-infections with two or more vector transmitted pathogens.
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Affiliation(s)
- Pilar Eliana Rivadeneira-Barreiro
- Centro de Investigación y Estudios Avanzados en Salud Animal, Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de México, Km 15.5 Carretera Panamericana Toluca-Atlacomulco, Toluca, Estado de México, C.P. 50200, México; Departamento de Veterinaria, Facultad de Ciencias Veterinarias, Universidad Técnica de Manabí, Portoviejo, Manabí, Ecuador
| | - Roberto Montes de Oca-Jiménez
- Centro de Investigación y Estudios Avanzados en Salud Animal, Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de México, Km 15.5 Carretera Panamericana Toluca-Atlacomulco, Toluca, Estado de México, C.P. 50200, México.
| | - Juan Carlos Vázquez-Chagoyán
- Centro de Investigación y Estudios Avanzados en Salud Animal, Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de México, Km 15.5 Carretera Panamericana Toluca-Atlacomulco, Toluca, Estado de México, C.P. 50200, México.
| | - Silvia Martínez-Subiela
- Interdisciplinary Laboratory of Clinical Analysis of the University of Murcia (Interlab-UMU), Regional Campus of International Excellence 'Campus Mare Nostrum', University of Murcia, Campus de Espinardo s/n, 30100, Espinardo, Murcia, Spain
| | | | - Laucel Ochoa-García
- Laboratorio Estatal de Salud Pública del Instituto de Salud del Estado de México, Independencia Oriente #1310 Colonia: Reforma y FFCC, CP. 50070, Toluca, Estado de México, México
| | - Pablo C Zambrano-Rodríguez
- Departamento de Veterinaria, Facultad de Ciencias Veterinarias, Universidad Técnica de Manabí, Portoviejo, Manabí, Ecuador
| | - Nisha Jain Garg
- Department of Microbiology & Immunology, University of Texas Medical Branch, 301 University Boulevard, Galveston, TX, 77555-1070, United States
| | - Jorge Antonio Varela-Guerrero
- Centro de Investigación y Estudios Avanzados en Salud Animal, Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de México, Km 15.5 Carretera Panamericana Toluca-Atlacomulco, Toluca, Estado de México, C.P. 50200, México
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Pita S, Gómez-Palacio A, Lorite P, Dujardin JP, Chavez T, Villacís AG, Galvão C, Panzera Y, Calleros L, Pereyra-Mello S, Burgueño-Rodríguez G, Panzera F. Multidisciplinary approach detects speciation within the kissing bug Panstrongylus rufotuberculatus populations (Hemiptera, Heteroptera, Reduviidae). Mem Inst Oswaldo Cruz 2021; 116:e210259. [PMID: 35137904 PMCID: PMC8815762 DOI: 10.1590/0074-02760210259] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 11/16/2021] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Panstrongylus rufotuberculatus (Hemiptera-Reduviidae) is a triatomine species with a wide geographic distribution and a broad phenotypic variability. In some countries, this species is found infesting and colonising domiciliary ecotopes representing an epidemiological risk factor as a vector of Trypanosoma cruzi, etiological agent of Chagas disease. In spite of this, little is known about P. rufotuberculatus genetic diversity. METHODS Cytogenetic studies and DNA sequence analyses of one nuclear (ITS-2) and two mitochondrial DNA sequences (cyt b and coI) were carried out in P. rufotuberculatus individuals collected in Bolivia, Colombia, Ecuador and Mexico. Moreover, a geometric morphometrics study was applied to Bolivian, Colombian, Ecuadorian and French Guiana samples. OBJECTIVES To explore the genetic and phenetic diversity of P. rufotuberculatus from different countries, combining chromosomal studies, DNA sequence analyses and geometric morphometric comparisons. FINDINGS We found two chromosomal groups differentiated by the number of X chromosomes and the chromosomal position of the ribosomal DNA clusters. In concordance, two main morphometric profiles were detected, clearly separating the Bolivian sample from the other ones. Phylogenetic DNA analyses showed that both chromosomal groups were closely related to each other and clearly separated from the remaining Panstrongylus species. High nucleotide divergence of cyt b and coI fragments were observed among P. rufotuberculatus samples from Bolivia, Colombia, Ecuador and Mexico (Kimura 2-parameter distances higher than 9%). MAIN CONCLUSIONS Chromosomal and molecular analyses supported that the two chromosomal groups could represent different closely related species. We propose that Bolivian individuals constitute a new Panstrongylus species, being necessary a detailed morphological study for its formal description. The clear morphometric discrimination based on the wing venation pattern suggests such morphological description might be conclusive.
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Affiliation(s)
| | | | | | | | - Tamara Chavez
- Instituto Nacional de Laboratorios de Salud, Bolivia
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Alevi KCC, de Oliveira J, Garcia ACC, Cristal DC, Delgado LMG, de Freitas Bittinelli I, dos Reis YV, Ravazi A, de Oliveira ABB, Galvão C, de Azeredo-Oliveira MTV, Madeira FF. Triatoma rosai sp. nov. (Hemiptera, Triatominae): A New Species of Argentinian Chagas Disease Vector Described Based on Integrative Taxonomy. INSECTS 2020; 11:insects11120830. [PMID: 33255910 PMCID: PMC7759825 DOI: 10.3390/insects11120830] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 10/13/2020] [Accepted: 10/15/2020] [Indexed: 01/01/2023]
Abstract
Simple Summary Although all triatomines are potential vectors of Chagas' disease, there are species with greater or lesser vectorial importance. Therefore, the correct identification of triatomines species is essential for the vector control programs. In general, triatomines are identified by external morphological characters. However, some species are very similar or even morphologically identical, being important the use of complementary analyses for the correct identification of species. For this reason, this study focused on the use of morphological, morphometric, molecular data, and experimental crosses to describe Triatoma rosai sp. nov., a new species of Argentinian Chagas disease vector. Significant morphological and morphometric differences, associated with phylogenetic support and high mortality rate of the hybrids made it possible to confirm the specific status of T. rosai sp. nov., emphasizing the importance of integrative analyses for the taxonomy of triatomines. Abstract Chagas disease is the most prevalent neglected tropical disease in the Americas and makes an important contribution to morbidity and mortality rates in countries where it is endemic since 30 to 40% of patients develop cardiac diseases, gastrointestinal disorders, or both. In this paper, a new species of the genus Triatoma is described based on specimens collected in the Department San Miguel, Province of Corrientes, Argentina. Triatoma rosai sp. nov. is closely related to T. sordida (Stål, 1859), and was characterized based on integrative taxonomy using morphological, morphometric, molecular data, and experimental crosses. These analyses, combined with data from the literature (cytogenetics, electrophoresis pattern, molecular analyses, cuticular hydrocarbons pattern, geometric morphometry, cycle, and average time of life as well as geographic distribution) confirm the specific status of T. rosai sp. nov. Natural Trypanosoma cruzi infection, coupled with its presence mostly in peridomestic habitats, indicates that this species can be considered as an important Chagas disease vector from Argentina.
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Affiliation(s)
- Kaio Cesar Chaboli Alevi
- Laboratório de Parasitologia, Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), Rodovia Araraquara-Jaú km 1, 14801-902 Araraquara, SP, Brazil; (K.C.C.A.); (J.d.O.); (D.C.C.)
- Instituto de Biociências de Botucatu, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), Rua Dr. Antônio Celso Wagner Zanin, 250, Distrito de Rubião Junior, 18618-689 Botucatu, SP, Brazil; (A.C.C.G.); (L.M.G.D.); (I.d.F.B.); (Y.V.d.R.); (A.R.)
| | - Jader de Oliveira
- Laboratório de Parasitologia, Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), Rodovia Araraquara-Jaú km 1, 14801-902 Araraquara, SP, Brazil; (K.C.C.A.); (J.d.O.); (D.C.C.)
| | - Ariane Cristina Caris Garcia
- Instituto de Biociências de Botucatu, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), Rua Dr. Antônio Celso Wagner Zanin, 250, Distrito de Rubião Junior, 18618-689 Botucatu, SP, Brazil; (A.C.C.G.); (L.M.G.D.); (I.d.F.B.); (Y.V.d.R.); (A.R.)
| | - Daniel Cesaretto Cristal
- Laboratório de Parasitologia, Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), Rodovia Araraquara-Jaú km 1, 14801-902 Araraquara, SP, Brazil; (K.C.C.A.); (J.d.O.); (D.C.C.)
| | - Luiza Maria Grzyb Delgado
- Instituto de Biociências de Botucatu, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), Rua Dr. Antônio Celso Wagner Zanin, 250, Distrito de Rubião Junior, 18618-689 Botucatu, SP, Brazil; (A.C.C.G.); (L.M.G.D.); (I.d.F.B.); (Y.V.d.R.); (A.R.)
| | - Isadora de Freitas Bittinelli
- Instituto de Biociências de Botucatu, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), Rua Dr. Antônio Celso Wagner Zanin, 250, Distrito de Rubião Junior, 18618-689 Botucatu, SP, Brazil; (A.C.C.G.); (L.M.G.D.); (I.d.F.B.); (Y.V.d.R.); (A.R.)
| | - Yago Visinho dos Reis
- Instituto de Biociências de Botucatu, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), Rua Dr. Antônio Celso Wagner Zanin, 250, Distrito de Rubião Junior, 18618-689 Botucatu, SP, Brazil; (A.C.C.G.); (L.M.G.D.); (I.d.F.B.); (Y.V.d.R.); (A.R.)
| | - Amanda Ravazi
- Instituto de Biociências de Botucatu, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), Rua Dr. Antônio Celso Wagner Zanin, 250, Distrito de Rubião Junior, 18618-689 Botucatu, SP, Brazil; (A.C.C.G.); (L.M.G.D.); (I.d.F.B.); (Y.V.d.R.); (A.R.)
| | - Ana Beatriz Bortolozo de Oliveira
- Laboratório de Biologia Celular, Instituto de Biociências, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), Letras e Ciências Exatas, Rua Cristóvão Colombo 2265, 15054-000 São José do Rio Preto, SP, Brazil; (A.B.B.d.O.); (M.T.V.d.A.-O.); (F.F.M.)
| | - Cleber Galvão
- Laboratório Nacional e Internacional de Referência em Taxonomia de Triatomíneos, Instituto Oswaldo Cruz (FIOCRUZ), Av. Brazil 4365, Pavilhão Rocha Lima, sala 505, 21040-360 Rio de Janeiro, RJ, Brazil
- Correspondence:
| | - Maria Tercília Vilela de Azeredo-Oliveira
- Laboratório de Biologia Celular, Instituto de Biociências, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), Letras e Ciências Exatas, Rua Cristóvão Colombo 2265, 15054-000 São José do Rio Preto, SP, Brazil; (A.B.B.d.O.); (M.T.V.d.A.-O.); (F.F.M.)
| | - Fernanda Fernandez Madeira
- Laboratório de Biologia Celular, Instituto de Biociências, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP), Letras e Ciências Exatas, Rua Cristóvão Colombo 2265, 15054-000 São José do Rio Preto, SP, Brazil; (A.B.B.d.O.); (M.T.V.d.A.-O.); (F.F.M.)
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