Identification of Novel Feline Paramyxoviruses in Guignas (Leopardus guigna) from Chile
2020
Sieg, Michael | Sacristán, Irene | Büsch, Johann | Terio, Karen A. | Cabello, Javier | Hidalgo-Hermoso, Ezequiel | Millán, Javier | Böttcher, Denny | Heenemann, Kristin | Vahlenkamp, Thomas W. | Napolitano, Constanza
The family of paramyxoviruses has received growing attention as several new species have been identified recently, notably two different clusters in domestic cats, designated as feline morbillivirus (FeMV) and feline paramyxovirus (FPaV). Their phylogenetic origin and whether wild felids also harbor these viruses are currently unknown. Kidney samples from 35 guignas (Leopardus guigna), a wild felid from Chile, were investigated for paramyxoviruses using consensus-RT-PCR. In addition, thirteen serum samples of guignas were screened for the presence of FeMV-specific antibodies by an immunofluorescence assay (IFA). Viral RNA was detected in 31% of the kidney samples. Phylogenetic analyses revealed two well-supported clusters, related to isolates from domestic cats, rodents and bats. No significant histopathology changes were recorded in infected guignas. Serology identified two samples which were positive for FeMV-specific antibodies. Our study highlights the diversity of paramyxovirus infections in felids with special emphasis on guignas from Chile.
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