Veterinary microbiology · 2017
Host cell tropism, genome characterization, and evolutionary features of OaPV4, a novel Deltapapillomavirus identified in sheep fibropapilloma.
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Tore Gessica, Cacciotto Carla, Anfossi Antonio Giovanni, Dore Gian Mario, Antuofermo Elisabetta, Scagliarini Alessandra, Burrai Giovanni Pietro, Pau Salvatore, Zedda Maria Teresa, Masala Gerolamo, Pittau Marco, Alberti Alberto
Аннотация
Investigating papillomavirus (PV) diversity is crucial to fully comprehend pathogenicity, genetic features, and evolution of taxa hosted by domestic and wild animal species. This study reports the identification of OaPV4, a novel ovine PV type within Deltapapillomaviruses 3. The study of OaPV4 genomic features combined to in situ hybridization and immunohistochemistry investigations allowed extrapolating several general biological features of ovine PVs, such as their cellular tropism, pathogenicity, and evolutionary history. Based on results, ovine PVs can be grouped into a polyphyletic ancient group of viruses, which splits in two main subgroups having peculiar cellular tropism and pathogenicity. Results add up to animal PV diversity and are crucial to future studies aimed to investigate the correlation between animal PV and cutaneous benign and malign proliferations.