ArticleParasites & vectors2026
First report of Taenia arctos (Cestoda: Taeniidae) from brown bears (Ursus arctos) in Romania.
Article in Parasites & vectors, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Insights into the mitochondrial genomes of Taenia tapeworms.Molecular biology reports · 2026Review
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe brown bear (Ursus arctos) is an apex predator with significant ecological importance and serves as a valuable indicator species for monitoring parasitic burdens in forest ecosystems. Owing to its complex ecology and varied diet, this species may play a key role in the life cycle of numerous pathogens, including cestodes of the genus Taenia, such as the recently described Taenia arctos. Among the potential intermediate hosts for T. arctos is the moose (Alces alces), a species sporadically present in northern Romania, where its habitat may overlap with that of U. arctos. In this context, the present study aimed to identify and molecularly characterize cestodes isolated from the small intestines of U. arctos.
methodsBetween May 2022 and December 2024, small intestines from 91 U. arctos individuals were collected across 16 counties in Romania. Biological samples were preserved by freezing and analyzed using both classical methods (macroscopic and microscopic examination) and molecular biology techniques (through amplification and sequencing of mitochondrial gene fragments, cox1 and 12S rRNA).
resultsOut of the 91 samples analyzed, only 1 specimen tested positive for an adult cestode (prevalence 1.1%). Genetic analysis confirmed its identification as T. arctos, a species not previously reported in Romania.
conclusionsThis study represents the first molecular identification of T. arctos in U. arctos in southeastern Europe, thereby extending the known geographic range of the parasite. The findings may indicate that trophic interactions compatible with the life cycle of T. arctos occur in this area, although the evidence is limited to a single detection.
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