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Updated: Sep 13, 2026

Magnetic Stirrer Method for the Detection of Trichinella Larvae in Muscle Samples
Published on: March 3, 2017
First finding of Trichinella pseudospiralis in the Neotropical region
Silvio J Krivokapich1, Cinthia L Gonzalez Prous1, Graciana M Gatti1
1Departamento de Parasitología, Instituto Nacional de Enfermedades Infecciosas, Administración Nacional de Laboratorios e Institutos de Salud, "Dr. Carlos G. Malbrán", Av. Vélez Sarsfield 563 (1281), Buenos Aires, Argentina.
Abstract:
Prior to this study, only encapsulated species of Trichinella had been found in South America, i.e., T. spiralis and T. patagoniensis. Here we report the molecular identification of a non-encapsulated isolate of Trichinella from a domestic pig in Argentina. The multiplex PCR technique and the analysis of mitochondrial and nuclear DNA sequences revealed that it belongs to T. pseudospiralis, which parasitises birds and mammals from Australian, Nearctic, and Palaearctic regions. Interestingly, the isolate is closely related to the Palaearctic population. This is the first report of a non-encapsulated species of Trichinella from the Neotropical region.
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