Abstract
Wild carnivorans are key hosts of parvoviruses of relevance for animal health and wildlife conservation. However, the distribution and diversity of parvoviruses among wild carnivorans are under-investigated, particularly in Southern Europe. We evaluated the presence, spread, and diversity of multi-host protoparvoviruses (canine parvovirus type 2 (CPV-2), feline panleukopenia virus (FPV)), and amdoparvoviruses in 12 carnivoran species from Northern Spain to explore viral ecology. Broad-range PCRs were used to screen spleens (N = 157) and intestines (N = 116) from 171 road-killed mustelids, viverrids, and felids; identified viruses were molecularly characterized. We detected an Asian-like CPV-2c strain in the spleen of one wildcat (Felis silvestris, 1/40, 2.5 %), a globally distributed FPV strain in the spleen of one Eurasian badger (Meles meles, 1/35, 2.9 %), a novel amdoparvovirus (European mustelid amdoparvovirus 1), in the intestine and spleen of one stone marten (Martes foina, 1/16, 6.3 %) and in the spleen of one Eurasian badger (1/35, 2.9 %), the red fox fecal amdovirus (RFFAV) in the intestine and spleen of three wildcats (3/40, 7.5 %), and a novel amdoparvovirus closely related to RFFAV (European felid amdoparvovirus 1) in one wildcat (1/40, 2.5 %). We observed a correlation between the phylogeny of carnivorans and the one of amdoparvoviruses, possibly indicating virus-host co-evolution. Species originating from North America and Eurasia formed different clades, indicating local segregation in the absence of man-linked transboundary movements. In contrast, CPV-2 and FPV strains were internationally dispersed. Different parvovirus species co-occur in sympatric host populations, and higher viral diversity and additional hosts will likely be identified in future studies.
Published Version
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