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Parasitemia and Differential Tissue Tropism in Mice Infected with Trypanosoma cruzi Isolates Obtained from Meccus phyllosoma in the State of Oaxaca, Mexico. Pathogens 2022; 11:pathogens11101141. [PMID: 36297198 PMCID: PMC9607563 DOI: 10.3390/pathogens11101141] [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: 09/01/2022] [Revised: 09/20/2022] [Accepted: 09/28/2022] [Indexed: 11/06/2022] Open
Abstract
Trypanosoma cruzi is a parasite transmitted by the feces of triatomines. Many triatomine species are found in Mexico, and various T. cruzi variants have been isolated from these species, each showing very different virulence and cell tropism. The isolates were obtained from Meccus phyllosoma specimens in three localities in the state of Oaxaca, Mexico: Tehuantitla, Vixhana, and Guichivere. The virulence of each isolate was assessed by quantifying parasitemia, survival, and histopathologic findings. The lineage of each isolate was identified using the mini-exon gene. The expression of the tssa gene during infection was detected in the heart, esophagus, gastrocnemius, and brain. Our results show that the maximum post-infection parasitemia was higher for the Tehuantitla isolate. On genotyping, all isolates were identified as T. cruzi I. The amastigotes in the heart and gastrocnemius were verified for all isolates, but in the brain only for Tehuantitla and Vixhana. The tssa expression allowed us to detect T. cruzi isolates, for Tehuantitla, predominantly in the heart. For Vixhana, a higher tssa expression was detected in gastrocnemius, and for Guichivere, it was higher in the esophagus. Results show that virulence, tropism, and tssa expression can vary, even when the isolates are derived from the same vector species, in the same region, and at similar altitudes.
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Martínez-Ibarra JA, Cárdenas-Sosa MA, Montañez-Valdez OD, Michel-Parra JG, Nogueda-Torres B. Biological parameters and estimation of the vectorial capacity of two subspecies of Triatoma protracta (Uhler) and their laboratory hybrids in Mexico. JOURNAL OF VECTOR ECOLOGY : JOURNAL OF THE SOCIETY FOR VECTOR ECOLOGY 2021; 46:148-154. [PMID: 35230019 DOI: 10.52707/1081-1710-46.2.148] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 05/19/2021] [Indexed: 06/14/2023]
Abstract
Chagas disease is one of the most important vector-borne diseases in Latin America. Studying the biological parameters of each vector species or subspecies contributes to our understanding of their epidemiologic importance. The aim of our study was to compare the biological parameters and start to estimate the vectorial capacity of Triatoma protracta protracta Ryckman, T. p. nahuatlae Ryckman, and their laboratory hybrids. Specifically, we estimated nine biological parameters to increase knowledge about the potential role of triatomine hybrids in the transmission of T. cruzi to reservoir hosts. Nine biological parameters related to the lifecycle, feeding and defecation patterns, number of females, fecundity, and egg eclosion rates in cohorts of T. p. protracta, T. p. nahuatlae, and their hybrids were evaluated and compared. Eight parameters (exception: number of laid eggs) indicated that T. p. nahuatlae was a potentially effective vector of T. cruzi. Our results showed that the hybrid cohorts had better fitness and could potentially have higher vectorial capacity than the parental cohorts. The outstanding characteristics of the hybrids found in our study could lead to an increase in the epidemiologic risks caused by transmission of T. cruzi to humans.
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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, Ciudad Guzmán, Jalisco, México
- Cuerpo Académico de Cuencas, Humedales y Sustentabilidad, Departamento de Ciencias de la Naturaleza, Centro Universitario del Sur, Universidad de Guadalajara, Ciudad Guzmán, Jalisco, México
| | - Miguel Alejandro Cárdenas-Sosa
- Maestría en Salud Pública, División de Ciencias de la Salud, Centro Universitario del Sur, Universidad de Guadalajara, Ciudad Guzmán, Jalisco, México
| | - Oziel Dante Montañez-Valdez
- Laboratorio de Entomología Médica, Departamento de Ciencias de la Naturaleza, Centro Universitario del Sur, Universidad de Guadalajara, Ciudad Guzmán, Jalisco, México
- Cuerpo Académico de Cuencas, Humedales y Sustentabilidad, Departamento de Ciencias de la Naturaleza, Centro Universitario del Sur, Universidad de Guadalajara, Ciudad Guzmán, Jalisco, México
| | - J Guadalupe Michel-Parra
- Cuerpo Académico de Cuencas, Humedales y Sustentabilidad, Departamento de Ciencias de la Naturaleza, Centro Universitario del Sur, Universidad de Guadalajara, Ciudad Guzmán, Jalisco, México
| | - Benjamín Nogueda-Torres
- COFAA Grant Fellow, Departamento de Parasitología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México, México,
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Cesaretto NR, de Oliveira J, Ravazi A, Madeira FF, Dos Reis YV, de Oliveira ABB, Vicente RD, Cristal DC, Galvão C, de Azeredo-Oliveira MTV, da Rosa JA, Alevi KCC. Trends in taxonomy of Triatomini (Hemiptera, Reduviidae, Triatominae): reproductive compatibility reinforces the synonymization of Meccus Stål, 1859 with Triatoma Laporte, 1832. Parasit Vectors 2021; 14:340. [PMID: 34174967 PMCID: PMC8235253 DOI: 10.1186/s13071-021-04847-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 06/11/2021] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Meccus' taxonomy has been quite complex since the first species of this genus was described by Burmeister in 1835 as Conorhinus phyllosoma. In 1859 the species was transferred to the genus Meccus and in 1930 to Triatoma. However, in the twentieth century, the Meccus genus was revalidated (alteration corroborated by molecular studies) and, in the twenty-first century, through a comprehensive study including more sophisticated phylogenetic reconstruction methods, Meccus was again synonymous with Triatoma. Events of natural hybridization with production of fertile offspring have already been reported among sympatric species of the T. phyllosoma subcomplex, and experimental crosses demonstrated reproductive viability among practically all species of the T. phyllosoma subcomplex that were considered as belonging to the genus Meccus, as well as between these species and species of Triatoma. Based on the above, we carried out experimental crosses between T. longipennis (considered M. longipennis in some literature) and T. mopan (always considered as belonging to Triatoma) to evaluate the reproductive compatibility between species of the T. phyllosoma complex. In addition, we have grouped our results with information from the literature regarding crosses between species that were grouped in the genus Meccus with Triatoma, in order to discuss the importance of experimental crosses to confirm the generic reorganization of species. RESULTS The crosses between T. mopan female and T. longipennis male resulted in viable offspring. The hatching of hybrids, even if only in one direction and/or at low frequency, demonstrates reproductive compatibility and homeology between the genomes of the parents. CONCLUSION Considering that intergeneric crosses usually do not result in viable offspring in Triatominae, the reproductive compatibility observed between the T. phyllosoma subcomplex species considered in the Meccus genus with species of the Triatoma genus shows that there is "intergeneric" genomic compatibility, which corroborates the generic reorganization of Meccus in Triatoma.
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Affiliation(s)
- Natália Regina Cesaretto
- Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Instituto de Biociências , Rua Dr. Antônio Celso Wagner Zanin, 250, Distrito de Rubião Júnior , Botucatu, SP, 18618-689, Brazil
| | - Jader de Oliveira
- Laboratório de Entomologia em Saúde Pública, Departamento de Epidemiologia, Faculdade de Saúde Pública , Universidade de São Paulo, Av. Dr. Arnaldo 715, São Paulo, SP, Brazil
- Laboratório de Parasitologia , Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Faculdade de Ciências Farmacêuticas , Rodovia Araraquara-Jaú km 1, Araraquara, SP, 14801-902, Brazil
| | - Amanda Ravazi
- Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Instituto de Biociências , Rua Dr. Antônio Celso Wagner Zanin, 250, Distrito de Rubião Júnior , Botucatu, SP, 18618-689, Brazil
| | - Fernanda Fernandez Madeira
- Laboratório de Biologia Celular , Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Instituto de Biociências, Letras e Ciências Exatas , Rua Cristóvão Colombo 2265 , São José Do Rio Preto, SP, 15054-000, Brazil
| | - Yago Visinho Dos Reis
- Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Instituto de Biociências , Rua Dr. Antônio Celso Wagner Zanin, 250, Distrito de Rubião Júnior , Botucatu, SP, 18618-689, Brazil
| | - Ana Beatriz Bortolozo de Oliveira
- Laboratório de Biologia Celular , Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Instituto de Biociências, Letras e Ciências Exatas , Rua Cristóvão Colombo 2265 , São José Do Rio Preto, SP, 15054-000, Brazil
| | - Roberto Dezan Vicente
- Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Instituto de Biociências , Rua Dr. Antônio Celso Wagner Zanin, 250, Distrito de Rubião Júnior , Botucatu, SP, 18618-689, Brazil
| | - Daniel Cesaretto Cristal
- Laboratório de Parasitologia , Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Faculdade de Ciências Farmacêuticas , Rodovia Araraquara-Jaú km 1, Araraquara, SP, 14801-902, 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, Rio de Janeiro, RJ, 21040-360, Brazil.
| | - Maria Tercília Vilela de Azeredo-Oliveira
- Laboratório de Biologia Celular , Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Instituto de Biociências, Letras e Ciências Exatas , Rua Cristóvão Colombo 2265 , São José Do Rio Preto, SP, 15054-000, Brazil
| | - João Aristeu da Rosa
- Laboratório de Parasitologia , Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Faculdade de Ciências Farmacêuticas , Rodovia Araraquara-Jaú km 1, Araraquara, SP, 14801-902, Brazil
| | - Kaio Cesar Chaboli Alevi
- Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Instituto de Biociências , Rua Dr. Antônio Celso Wagner Zanin, 250, Distrito de Rubião Júnior , Botucatu, SP, 18618-689, Brazil
- Laboratório de Parasitologia , Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Faculdade de Ciências Farmacêuticas , Rodovia Araraquara-Jaú km 1, Araraquara, SP, 14801-902, Brazil
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Meraz-Medina T, Nogueda-Torres B, Ceballos-Rodríguez RS, Godínez-Aceves KC, Martínez-Ibarra JA. Enhancing fitness in offspring of crosses between two triatomine species. JOURNAL OF VECTOR ECOLOGY : JOURNAL OF THE SOCIETY FOR VECTOR ECOLOGY 2019; 44:173-178. [PMID: 31124236 DOI: 10.1111/jvec.12341] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 03/20/2019] [Indexed: 06/09/2023]
Abstract
Chagas disease is one of the main vector-borne diseases in Latin America, including Mexico. Understanding the biological parameters of the triatomine species is a crucial first step in estimating the epidemiologic importance of each group. The aim of this study was to compare the biological fitness of Meccus pallidipennis (Stål), M. bassolsae (Alejandre, Nogueda, Cortez, Jurberg, Galvão, Carcavallo) (Hemiptera: Reduviidae: Triatominae) and their laboratory hybrids, by estimating six biological parameters in order to increase the knowledge of the potential role of triatomine hybrids in the transmission of Trypanosoma cruzi to reservoir hosts. Biological parameters related to lifespan, number of blood meals to molt, mortality for each instar, percentage of females at the end of the cycle, number of eggs laid, and hatching of eggs in four cohorts of 100 specimens of M. pallidipennis, M. bassolsae, and their laboratory hybrids were evaluated and compared. In four of the six studied parameters (accumulative mortality, the percentage of females, mean number of laid eggs, and egg hatching), the hybrid cohorts had better fitness results than the parental cohorts. The increase in hybrid fitness found in our study could lead to an increase in the epidemiologic risks caused by transmission of T. cruzi to humans.
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Affiliation(s)
- 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
| | - Benjamín Nogueda-Torres
- COFAA Grant Fellow, National School of Biological Sciences, National Polytechnic Institute, Mexico City, Mexico
| | - René Salvador Ceballos-Rodríguez
- 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
| | - Karla Cytlalli Godínez-Aceves
- 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
| | - 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
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