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Nantes WAG, Liberal SC, Santos FM, Dario MA, Mukoyama LTH, Woidella KB, Rita PHS, Roque ALR, de Oliveira CE, Herrera HM, Jansen AM. Viperidae snakes infected by mammalian-associated trypanosomatids and a free-living kinetoplastid. INFECTION, GENETICS AND EVOLUTION : JOURNAL OF MOLECULAR EPIDEMIOLOGY AND EVOLUTIONARY GENETICS IN INFECTIOUS DISEASES 2024; 123:105630. [PMID: 38936526 DOI: 10.1016/j.meegid.2024.105630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 06/21/2024] [Accepted: 06/24/2024] [Indexed: 06/29/2024]
Abstract
Trypanosomatids have achieved significant evolutionary success in parasitizing various groups, yet reptiles remain relatively unexplored. The utilization of advanced molecular tools has revealed an increased richness of trypanosomatids in vertebrate hosts. The aim of this study was to identify the trypanosomatid species infecting Bothrops moojeni and Crotalus durissus kept in captivity from 2000 to 2022. Blood samples were obtained from 106 snakes: 73C. durissus and 33 B. moojeni. Whole blood was collected for hemoculture, blood smears and centrifugated to obtain the blood clot that had its DNA extracted and submitted to Nested PCR (18S rDNA gene) to detect Trypanosomatidae. Positive samples were quantified and submitted to both conventional (Sanger) and next generation sequencing (NGS). Cloning of the amplified PCR product was performed for only one individual of C. durissus. To exclude the possibility of local vector transmission, attempts to capture sandflies were conducted using six CDC-LT type light traps. Molecular diagnosis revealed that 34% of the snakes presented trypanosomatid DNA, 47.94% in C. durissus and 3.9% in B. moojeni. The cloning process generated four colonies identified as a new MOTU named Trypanosomatidae sp. CROT. The presence of DNA of five trypanosomatids (Trypanosoma cruzi TcII/VI, Trypanosoma sp. DID, Trypanosoma cascavelli, Trypanosomatidae sp. CROT, Leishmania infantum and Leishmania sp.) and one free-living kinetoplastid (Neobodo sp.) was revealed through NGS and confirmed by phylogenetic analysis. The haplotypic network divided the T. cascavelli sequences into two groups, 1) marsupials and snakes and 2) exclusive to marsupials. Therefore, the diversity of Kinetoplastea is still underestimated. Snakes have the ability to maintain infection with T. cruzi and L. infantum for up to 20 years and the DNA finding of Neobodo sp. in the blood of a C. durissus suggests that this genus can infect vertebrates.
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Affiliation(s)
- Wesley Arruda Gimenes Nantes
- Environmental Sciences and Agricultural Sustainability Postgraduation, Dom Bosco Catholic University, Campo Grande, 79117-900, Brazil.
| | - Sany Caroline Liberal
- Environmental Sciences and Agricultural Sustainability Postgraduation, Dom Bosco Catholic University, Campo Grande, 79117-900, Brazil
| | - Filipe Martins Santos
- Environmental Sciences and Agricultural Sustainability Postgraduation, Dom Bosco Catholic University, Campo Grande, 79117-900, Brazil
| | - Maria Augusta Dario
- Laboratory of Trypanosomatid Biology, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro 21040-900, Brazil
| | | | | | | | - André Luiz Rodrigues Roque
- Laboratory of Trypanosomatid Biology, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro 21040-900, Brazil
| | - Carina Elisei de Oliveira
- Environmental Sciences and Agricultural Sustainability Postgraduation, Dom Bosco Catholic University, Campo Grande, 79117-900, Brazil; Biotechnology Postgraduation, Dom Bosco Catholic University, Campo Grande 79117-900, Brazil
| | - Heitor Miraglia Herrera
- Environmental Sciences and Agricultural Sustainability Postgraduation, Dom Bosco Catholic University, Campo Grande, 79117-900, Brazil; Biotechnology Postgraduation, Dom Bosco Catholic University, Campo Grande 79117-900, Brazil
| | - Ana Maria Jansen
- Environmental Sciences and Agricultural Sustainability Postgraduation, Dom Bosco Catholic University, Campo Grande, 79117-900, Brazil; Laboratory of Trypanosomatid Biology, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro 21040-900, Brazil
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De Fuentes-Vicente JA, Santos-Hernández NG, Ruiz-Castillejos C, Espinoza-Medinilla EE, Flores-Villegas AL, de Alba-Alvarado M, Cabrera-Bravo M, Moreno-Rodríguez A, Vidal-López DG. What Do You Need to Know before Studying Chagas Disease? A Beginner's Guide. Trop Med Infect Dis 2023; 8:360. [PMID: 37505656 PMCID: PMC10383928 DOI: 10.3390/tropicalmed8070360] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 07/03/2023] [Accepted: 07/05/2023] [Indexed: 07/29/2023] Open
Abstract
Chagas disease is one of the most important tropical infections in the world and mainly affects poor people. The causative agent is the hemoflagellate protozoan Trypanosoma cruzi, which circulates among insect vectors and mammals throughout the Americas. A large body of research on Chagas disease has shown the complexity of this zoonosis, and controlling it remains a challenge for public health systems. Although knowledge of Chagas disease has advanced greatly, there are still many gaps, and it is necessary to continue generating basic and applied research to create more effective control strategies. The aim of this review is to provide up-to-date information on the components of Chagas disease and highlight current trends in research. We hope that this review will be a starting point for beginners and facilitate the search for more specific information.
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Affiliation(s)
- José A De Fuentes-Vicente
- Instituto de Ciencias Biológicas, Universidad de Ciencias y Artes de Chiapas, Tuxtla Gutiérrez 29039, Mexico
| | - Nancy G Santos-Hernández
- Instituto de Ciencias Biológicas, Universidad de Ciencias y Artes de Chiapas, Tuxtla Gutiérrez 29039, Mexico
| | - Christian Ruiz-Castillejos
- Instituto de Ciencias Biológicas, Universidad de Ciencias y Artes de Chiapas, Tuxtla Gutiérrez 29039, Mexico
| | | | - A Laura Flores-Villegas
- Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico
| | | | - Margarita Cabrera-Bravo
- Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico
| | - Adriana Moreno-Rodríguez
- Facultad de Ciencias Químicas, Universidad Autónoma Benito Juárez de Oaxaca, Oaxaca 68120, Mexico
| | - Dolores G Vidal-López
- Instituto de Ciencias Biológicas, Universidad de Ciencias y Artes de Chiapas, Tuxtla Gutiérrez 29039, Mexico
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Santos F, Magalhaes-Junior JT, de Oliveira Carneiro I, Lambert SM, da Silva Souza BMP, de Pauda AD, de Freitas MP, Franke CR. Wild mammals involved in the transmission of Trypanosoma cruzi and food sources of Triatoma sherlocki in an endemic region of northeastern Brazil. MEDICAL AND VETERINARY ENTOMOLOGY 2023; 37:396-406. [PMID: 36632712 DOI: 10.1111/mve.12641] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 12/22/2022] [Indexed: 05/18/2023]
Abstract
The present study, carried out in the municipality of Gentio do Ouro, Bahia, Brazil aimed to evaluate which wild mammals may be involved in the transmission of T. cruzi and which are the blood sources for triatomines collected in the study area. PCR analysis of 31 wild mammals captured revealed T. cruzi infection in 6.4% (2/31): one specimen of the opossum Didelphis albiventris (1/3) and one of the rodent Kerodon rupestris (1/5); despite being more frequent in the area, no specimen of the rodent Thrichomys sp. (0/23) was infected. A total of 169 triatomines were captured. The conclusive detection of food sources was possible only for Triatoma sherlocki Papa et al., 2002 (n = 56), with evidence for: K. rupestris (35.7%), Gallus (17.9%), D. albiventris (14.3%), Homo sapiens (14.3%), Tropidurus hispidus (7.1%), Leopardus geoffroyi (5.3%), Conepatus semistriatus (1.8%), Thrichomys inermis (1.8%) and Rattus norvegicus (1.8%). Triatomines of the species T. sherlocki showed food eclecticism, including feeding on humans, with some of them being captured at dwellings. These facts make this triatomine a potential link for the transmission of T. cruzi between wild and anthropic environments, highlighting a latent risk of the reemergence of Chagas disease outbreaks.
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Affiliation(s)
- Flavia Santos
- Programa de Pós-graduação em Ciência Animal nos Trópicos, Escola de Medicina Veterinária e Zootecnia, Universidade Federal da Bahia-UFBA, Salvador, Bahia, Brazil
- Centro Multidisciplinar do Campus de Barra (CMB), da Universidade Federal do Oeste da Bahia-UFOB, Barra, Bahia, Brazil
| | - Jairo Torres Magalhaes-Junior
- Centro Multidisciplinar do Campus de Barra (CMB), da Universidade Federal do Oeste da Bahia-UFOB, Barra, Bahia, Brazil
| | - Ianei de Oliveira Carneiro
- Campus Professor Barros, Universidade Salvador, Salvador, Bahia, Brazil
- Programa de Pós-graduação em Saúde Coletiva, Instituto de Saúde Coletiva (ISC), Universidade Federal da Bahia - UFBA, Salvador, Bahia, Brazil
| | - Sabrina Mota Lambert
- Laboratório de Biologia Celular e Molecular (LBCM) do Hospital de Medicina Veterinária Prof. Renato Rodemburg de Medeiros Neto (HOSPMEV), Universidade Federal da Bahia - UFBA, Salvador, Bahia, Brazil
| | - Bárbara Maria Paraná da Silva Souza
- Laboratório de Biologia Celular e Molecular (LBCM) do Hospital de Medicina Veterinária Prof. Renato Rodemburg de Medeiros Neto (HOSPMEV), Universidade Federal da Bahia - UFBA, Salvador, Bahia, Brazil
| | - Alini Dias de Pauda
- Centro Multidisciplinar do Campus de Barra (CMB), da Universidade Federal do Oeste da Bahia-UFOB, Barra, Bahia, Brazil
| | - Marcondes Pessoa de Freitas
- Centro Multidisciplinar do Campus de Barra (CMB), da Universidade Federal do Oeste da Bahia-UFOB, Barra, Bahia, Brazil
| | - Carlos Roberto Franke
- Programa de Pós-graduação em Ciência Animal nos Trópicos, Escola de Medicina Veterinária e Zootecnia, Universidade Federal da Bahia-UFBA, Salvador, Bahia, Brazil
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Tineo-González E, Fermín R, Bonilla-Rivero A, Herrera L. Geographic Distribution of the Genus Panstrongylus Berg, 1879 in the Neotropic with Emphasis on Trypanosoma cruzi Vectors. Trop Med Infect Dis 2023; 8:tropicalmed8050272. [PMID: 37235320 DOI: 10.3390/tropicalmed8050272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 04/28/2023] [Accepted: 05/08/2023] [Indexed: 05/28/2023] Open
Abstract
Panstrongylus is a Neotropical taxa of 16 species, some more widespread than others, that act as vectors of Trypanosoma cruzi, the etiologic agent of Chagas disease (CD). This group is associated with mammalian reservoir niches. There are few studies of the biogeography and niche suitability of these triatomines. Using zoo-epidemiological occurrence databases, the distribution of Panstrongylus was determined based on bioclimatic modelling (DIVA GIS), parsimonious niche distribution (MAXENT), and parsimony analysis of endemic species (PAE). Through 517 records, a wide presence of P. geniculatus, P. rufotuberculatus, P. lignarius, and P. megistus was determined and recorded as frequent vectors of T. cruzi in rainforest habitats of 24-30 °C. These distributions were modeled with AUC >0.80 and <0.90, as well as with the seasonality of temperature, isothermality, and precipitation as relevant bioclimatic variables. Individual traces for each taxon in Panstrongylus-1036 records-showed widely dispersed lines for frequent vectors P. geniculatus, P. lignarius, P. rufotuberculatus, and P. megistus. Other occasional vectors showed more restricted dispersal, such as P. howardi, P. humeralis, P. lenti, P. lutzi, P. tupynambai, P. noireaiui, and P. chinai. Areas of defined environmental variation, geological change, and trans domain fluid fauna, such as the American Transition Zone and the Pacific Domain of Morrone, had the highest Panstrongylus diversity. Pan-biogeographic nodes appear to be areas of the greatest species diversity that act as corridors connecting biotopes and allowing fauna migration. Vicariance events in the geologic history of the continent need to be investigated. The geographical distribution of Panstrongylus overlapped with CD cases and Didelphis marsupialis/Dasypus novemcinctus presence, two important reservoirs in Central and South America. The information derived from the distribution of Panstrongylus provides knowledge for surveillance and vector control programs. It would increase information on the most and less relevant vector species of this zoonotic agent, for monitoring their population behavior.
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Affiliation(s)
- Evelyn Tineo-González
- Biological Diversity Research Laboratory, Natural Sciences Research Centre, Experimental Pedagogical University Libertador, Caracas 1020, Venezuela
| | - Rossy Fermín
- Biological Diversity Research Laboratory, Natural Sciences Research Centre, Experimental Pedagogical University Libertador, Caracas 1020, Venezuela
- Post-Graduation Program in Zoology, Faculty of Sciences, Central University of Venezuela, Caracas 1040, Venezuela
| | - Ana Bonilla-Rivero
- Ichthyology Laboratory, Center Museum of Biology UCV, Institute of Zoology and Tropical Ecology, Faculty of Sciences, Central University of Venezuela, Caracas 1040, Venezuela
| | - Leidi Herrera
- Laboratory of Biology of Vectors and Parasites, Center for Ecology and Evolution, Institute of Zoology and Tropical Ecology, Faculty of Sciences, Central University of Venezuela, Caracas 1040, Venezuela
- Department of Tropical Medicine, Health Sciences Research Institute, National University of Asunción, San Lorenzo 2160, Paraguay
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Majeau A, Cloherty E, Anderson AN, Straif-Bourgeois SC, Dumonteil E, Herrera C. Genetic diversity of Trypanosoma cruzi infecting raccoons ( Procyon lotor) in 2 metropolitan areas of southern Louisiana: implications for parasite transmission networks. Parasitology 2023; 150:1-8. [PMID: 36788672 PMCID: PMC10090583 DOI: 10.1017/s0031182023000070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 01/11/2023] [Accepted: 01/11/2023] [Indexed: 01/21/2023]
Abstract
Trypanosoma cruzi, the aetiological agent of Chagas disease, exists as an anthropozoonosis in Louisiana. Raccoons are an important reservoir, as they demonstrate high prevalence and maintain high parasitaemia longer than other mammals. Given the complex nature of parasite transmission networks and importance of raccoons as reservoirs that move between sylvatic and domestic environments, detailing the genetic diversity of T. cruzi in raccoons is crucial to assess risk to human health. Using a next-generation sequencing approach targeting the mini-exon, parasite diversity was assessed in 2 metropolitan areas of Louisiana. Sequences were analysed along with those previously identified in other mammals and vectors to determine if any association exists between ecoregion and parasite diversity. Parasites were identified from discrete typing units (DTUs) TcI, TcII, TcIV, TcV and TcVI. DTUs TcII, TcV and TcVI are previously unreported in raccoons in the United States (US). TcI was the most abundant DTU, comprising nearly 80% of all sequences. All but 1 raccoon harboured multiple haplotypes, some demonstrating mixed infections of different DTUs. Furthermore, there is significant association between DTU distribution and level III ecoregion in Louisiana. Finally, while certain sequences were distributed across multiple tissues, others appeared to have tissue-specific tropism. Taken together, these findings indicate that ongoing surveillance of T. cruzi in the US should be undertaken across ecoregions to fully assess risk to human health. Given potential connections between parasite diversity and clinical outcomes, deep sequencing technologies are crucial and interventions targeting raccoons may prove useful in mitigating human health risk.
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Affiliation(s)
- Alicia Majeau
- Tulane University School of Public Health & Tropical Medicine, New Orleans, LA, USA
| | - Erin Cloherty
- New Orleans Mosquito, Rodent, and Termite Control, New Orleans, LA, USA
| | - A. Nikki Anderson
- Louisiana Department of Wildlife and Fisheries, Baton Rouge, LA, USA
| | | | - Eric Dumonteil
- Tulane University School of Public Health & Tropical Medicine, New Orleans, LA, USA
| | - Claudia Herrera
- Tulane University School of Public Health & Tropical Medicine, New Orleans, LA, USA
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Hamer SA, Saunders AB. Veterinary Chagas Disease (American Trypanosomiasis) in the United States. Vet Clin North Am Small Anim Pract 2022; 52:1267-1281. [DOI: 10.1016/j.cvsm.2022.06.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Antibacterial, Antiparasitic, and Cytotoxic Activities of Chemical Characterized Essential Oil of Chrysopogon zizanioides Roots. Pharmaceuticals (Basel) 2022; 15:ph15080967. [PMID: 36015115 PMCID: PMC9415812 DOI: 10.3390/ph15080967] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/27/2022] [Accepted: 08/02/2022] [Indexed: 11/16/2022] Open
Abstract
This study aimed to investigate the chemical composition as well as the antibacterial, antiparasitic, and cytotoxic potentialities of the Brazilian Chrysopogon zizanioides root essential oil (CZ-EO) In addition, CZ-EO cytotoxicity to LLCMK2 adherent epithelial cells was assessed. The major compounds identified in CZ-EO were khusimol (30.0 ± 0.3%), β-eudesmol (10.8 ± 0.3%), α-muurolene (6.0 ± 0.1%), and patchouli alcohol (5.6 ± 0.2%). CZ-EO displayed optimal antibacterial activity against Prevotella nigrescens, Fusobacterium nucleatum, Prevotella melaninogenica, and Aggregatibacter actinomycetemcomitans, with Minimum Inhibitory Concentration (MIC) values between 22 and 62.5 µg/mL and Minimum Bactericidal Concentration (MBC) values between 22 and 400 µg/mL. CZ-EO was highly active against the L. amazonensis promastigote and amastigote forms (IC50 = 7.20 and 16.21 µg/mL, respectively) and the T. cruzi trypomastigote form (IC50 = 11.2 µg/mL). Moreover, CZ-EO showed moderate cytotoxicity to LLCMK2 cells, with CC50 = 565.4 µg/mL. These results revealed an interesting in vitro selectivity of CZ-EO toward the L. amazonensis promastigote and amastigote forms (Selectivity Index, SI = 78.5 and 34.8, respectively) and the T. cruzi trypomastigote form (SI = 50.5) compared to LLCMK2 cells. These results showed the promising potential of CZ-EO for developing new antimicrobial, antileishmanial, and antitrypanosomal drugs.
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Characterization of triatomine bloodmeal sources using direct Sanger sequencing and amplicon deep sequencing methods. Sci Rep 2022; 12:10234. [PMID: 35715521 PMCID: PMC9205944 DOI: 10.1038/s41598-022-14208-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 06/02/2022] [Indexed: 11/17/2022] Open
Abstract
Knowledge of host associations of blood-feeding vectors may afford insights into managing disease systems and protecting public health. However, the ability of methods to distinguish bloodmeal sources varies widely. We used two methods—Sanger sequencing and amplicon deep sequencing—to target a 228 bp region of the vertebrate Cytochrome b gene and determine hosts fed upon by triatomines (n = 115) collected primarily in Texas, USA. Direct Sanger sequencing of PCR amplicons was successful for 36 samples (31%). Sanger sequencing revealed 15 distinct host species, which included humans, domestic animals (Canis lupus familiaris, Ovis aries, Gallus gallus, Bos taurus, Felis catus, and Capra hircus), wildlife (Rattus rattus, Incilius nebulifer, Sciurus carolinensis, Sciurus niger, and Odocoileus virginianus), and captive animals (Panthera tigris, Colobus spp., and Chelonoidis carbonaria). Samples sequenced by the Sanger method were also subjected to Illumina MiSeq amplicon deep sequencing. The amplicon deep sequencing results (average of 302,080 usable reads per sample) replicated the host community revealed using Sanger sequencing, and detected additional hosts in five triatomines (13.9%), including two additional blood sources (Procyon lotor and Bassariscus astutus). Up to four bloodmeal sources were detected in a single triatomine (I. nebulifer, Homo sapiens, C. lupus familiaris, and S. carolinensis). Enhanced understanding of vector-host-parasite networks may allow for integrated vector management programs focusing on highly-utilized and highly-infected host species.
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Botto-Mahan C, Correa JP, Araya-Donoso R, Farías F, San Juan E, Quiroga N, Campos-Soto R, Reyes-Olivares C, González-Acuña D. Lizards as Silent Hosts of Trypanosoma cruzi. Emerg Infect Dis 2022; 28:1250-1253. [PMID: 35608824 PMCID: PMC9155887 DOI: 10.3201/eid2806.220079] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
We assessed 4 lizard species in Chile for Trypanosoma cruzi, the causative agent of Chagas disease, and 1 species for its ability to transmit the protozoan to uninfected kissing bugs. All lizard species were infected, and the tested species was capable of transmitting the protozoan, highlighting their role as T. cruzi reservoirs.
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