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Trichinella britovi from Japan
E Pozio1, G La Rosa, T Yamaguchi
1Laboratory of Parasitology, Istituto Superiore di Sanità, Rome, Italy.
The Journal of Parasitology
|October 1, 1996
Summary
Parasites of the genus Trichinella were identified as Trichinella britovi in Japanese wildlife. This finding expands the known distribution of T. britovi across the Palaearctic region.
Area of Science:
- Parasitology
- Molecular Biology
- Wildlife Ecology
Background:
- Parasites of the genus Trichinella are found in wild animals globally.
- Previous studies in Japan had not identified Trichinella species.
- Wild animals in Japan are known hosts for various parasites.
Purpose of the Study:
- To identify the species of Trichinella parasites found in wild animals in Japan.
- To determine the distribution of Trichinella species in the Palaearctic region.
Main Methods:
- Muscle larvae of Trichinella were collected from a black bear and a raccoon dog in Japan.
- Random amplified polymorphic DNA (RAPD) analysis was used for species identification.
Main Results:
- The collected muscle larvae were identified as Trichinella britovi.
- This identification marks the first species-level identification of Trichinella in Japan.
- The findings suggest T. britovi is distributed from western Europe to eastern Asia.
Conclusions:
- Trichinella britovi is present in Japan, extending its known range in the Palaearctic region.
- The -6°C January isotherm may represent the northern limit for T. britovi.
- Further research is needed to understand the full ecological impact of T. britovi in Japan.