A polyomavirus detected in American black bear (Ursus americanus).

Polyomaviruses are ancient DNA viruses that infect several species of animals. While recognition of the family Polyomaviridae has grown rapidly, there are few studies that consider their potential association with disease. Carnivora are a diverse and widespread order affected by polyomaviruses (PyVs) that have co-evolved with their hosts for millions of years. PyVs have been identified in sea lions, raccoons, badgers, Weddell seals, and dogs. We have discovered a polyomavirus, tentatively named "Ursus americanus polyomavirus 1" (UaPyV1) in black bears (Ursus americanus). UaPyV1 was detectable in various tissues of six out of seven bears submitted for necropsy. Based on viral phylogenetic clustering and detection of the virus in multiple individuals, we suggest that black bears are the natural hosts for UaPyV1. In this albeit small group, there is no clear relationship between UaPyV1 infection and any specific disease.

Citation

Arturo Oliver-Guimerá, Alžběta Hejtmánková, Kenneth Jackson, Patricia A Pesavento. A polyomavirus detected in American black bear (Ursus americanus). Archives of virology. 2021 May;166(5):1521-1524

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PMID: 33721099

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