Trypanosoma cruzi-infected triatomines and rodents co-occur in a coastal island of northern Chile
Trypanosoma cruzi, the cause agent of Chagas disease, is transmitted mainly by blood-feeding insects of the subfamily Triatominae. The T. cruzi life cycle alternates between triatomines and mammalian hosts, excluding birds and reptiles. Triatomines of Mepraia genus are wild vectors of T. cruzi in Ch...
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PeerJ Inc.
2020-10-01
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| author | Ricardo Campos-Soto Gabriel Díaz-Campusano Nicol Quiroga Catalina Muñoz-San Martín Ninette Rives-Blanchard Fernando Torres-Pérez |
| author_facet | Ricardo Campos-Soto Gabriel Díaz-Campusano Nicol Quiroga Catalina Muñoz-San Martín Ninette Rives-Blanchard Fernando Torres-Pérez |
| author_sort | Ricardo Campos-Soto |
| collection | DOAJ |
| description | Trypanosoma cruzi, the cause agent of Chagas disease, is transmitted mainly by blood-feeding insects of the subfamily Triatominae. The T. cruzi life cycle alternates between triatomines and mammalian hosts, excluding birds and reptiles. Triatomines of Mepraia genus are wild vectors of T. cruzi in Chile. Mepraia specimens infected with T. cruzi have been detected in Pan de Azúcar and Santa María islands. The most common vertebrates that inhabit these islands are birds and reptiles, and it is unknown whether small mammals are present. Consequently, it is relevant to know whether there are any T. cruzi-infected small mammals on those islands to elucidate the T. cruzi cycle. To clarify this crossroads, islands of northern Chile were explored to determine if T. cruzi-infected triatomines and rodents co-occur in islands of northern Chile. T. cruzi DNA was detected by conventional and real-time PCR in three islands: on Santa María and Pan de Azúcar islands T. cruzi was detected in Mepraia sp samples, while on Pan de Azúcar (6.1%) and Damas islands (15%) was detected in the rodent Abrothrix olivacea. We show for the first time in Chile the occurrence of insular rodents infected with T. cruzi, and a complete T. cruzi life cycle in a coastal island. Our results provide new insights to understand the T. cruzi infection in the wild cycle. |
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| institution | Directory Open Access Journal |
| issn | 2167-8359 |
| language | English |
| last_indexed | 2024-03-09T06:51:12Z |
| publishDate | 2020-10-01 |
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| spelling | doaj.art-761b8e7dde4049cdb71d19405b7282592023-12-03T10:27:24ZengPeerJ Inc.PeerJ2167-83592020-10-018e996710.7717/peerj.9967Trypanosoma cruzi-infected triatomines and rodents co-occur in a coastal island of northern ChileRicardo Campos-Soto0Gabriel Díaz-Campusano1Nicol Quiroga2Catalina Muñoz-San Martín3Ninette Rives-Blanchard4Fernando Torres-Pérez5Instituto de Biología, Facultad de Ciencias, Pontificia Universidad Católica de Valparaíso, Valparaíso, ChileInstituto de Biología, Facultad de Ciencias, Pontificia Universidad Católica de Valparaíso, Valparaíso, ChileDepartamento de Ciencias Ecológicas, Facultad de Ciencias, Universidad de Chile, Santiago, ChileNúcleo de Investigaciones Aplicadas en Ciencias Veterinarias y Agronómicas, Campus Maipú, Universidad de Las Americas, Santiago, ChileInstituto de Biología, Facultad de Ciencias, Pontificia Universidad Católica de Valparaíso, Valparaíso, ChileInstituto de Biología, Facultad de Ciencias, Pontificia Universidad Católica de Valparaíso, Valparaíso, ChileTrypanosoma cruzi, the cause agent of Chagas disease, is transmitted mainly by blood-feeding insects of the subfamily Triatominae. The T. cruzi life cycle alternates between triatomines and mammalian hosts, excluding birds and reptiles. Triatomines of Mepraia genus are wild vectors of T. cruzi in Chile. Mepraia specimens infected with T. cruzi have been detected in Pan de Azúcar and Santa María islands. The most common vertebrates that inhabit these islands are birds and reptiles, and it is unknown whether small mammals are present. Consequently, it is relevant to know whether there are any T. cruzi-infected small mammals on those islands to elucidate the T. cruzi cycle. To clarify this crossroads, islands of northern Chile were explored to determine if T. cruzi-infected triatomines and rodents co-occur in islands of northern Chile. T. cruzi DNA was detected by conventional and real-time PCR in three islands: on Santa María and Pan de Azúcar islands T. cruzi was detected in Mepraia sp samples, while on Pan de Azúcar (6.1%) and Damas islands (15%) was detected in the rodent Abrothrix olivacea. We show for the first time in Chile the occurrence of insular rodents infected with T. cruzi, and a complete T. cruzi life cycle in a coastal island. Our results provide new insights to understand the T. cruzi infection in the wild cycle.https://peerj.com/articles/9967.pdfT. cruzi reservoir in islandsIsland T. cruzi cycleIsland T. cruzi hostsMepraiaInsular small mammalsHemiptera:Reduviidae |
| spellingShingle | Ricardo Campos-Soto Gabriel Díaz-Campusano Nicol Quiroga Catalina Muñoz-San Martín Ninette Rives-Blanchard Fernando Torres-Pérez Trypanosoma cruzi-infected triatomines and rodents co-occur in a coastal island of northern Chile PeerJ T. cruzi reservoir in islands Island T. cruzi cycle Island T. cruzi hosts Mepraia Insular small mammals Hemiptera:Reduviidae |
| title | Trypanosoma cruzi-infected triatomines and rodents co-occur in a coastal island of northern Chile |
| title_full | Trypanosoma cruzi-infected triatomines and rodents co-occur in a coastal island of northern Chile |
| title_fullStr | Trypanosoma cruzi-infected triatomines and rodents co-occur in a coastal island of northern Chile |
| title_full_unstemmed | Trypanosoma cruzi-infected triatomines and rodents co-occur in a coastal island of northern Chile |
| title_short | Trypanosoma cruzi-infected triatomines and rodents co-occur in a coastal island of northern Chile |
| title_sort | trypanosoma cruzi infected triatomines and rodents co occur in a coastal island of northern chile |
| topic | T. cruzi reservoir in islands Island T. cruzi cycle Island T. cruzi hosts Mepraia Insular small mammals Hemiptera:Reduviidae |
| url | https://peerj.com/articles/9967.pdf |
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