Abstract
Eight genomes of avian polyomaviruses (APVs) were recovered and sequenced from deceased Psittacula eupatria, Psittacula krameri, and Melopsittacus undulatus from various breeding facilities in Poland. Of these APV-positive samples, six had previously tested positive for beak and feather disease virus (BFDV) and/or parrot hepatitis B virus (PHBV).
Highlights
Eight genomes of avian polyomaviruses (APVs) were recovered and sequenced from deceased Psittacula eupatria, Psittacula krameri, and Melopsittacus undulatus from various breeding facilities in Poland
In order to identify APVs circulating in various breeding facilities in Poland, total DNA was extracted from liver samples collected between 2007 and 2011 from 26 deceased parrots (Melopsittacus undulatus, n ϭ 6; Platycercus elegans, n ϭ 2; Psittacula eupatria, n ϭ 1; Psittacula krameri, n ϭ 15; Psittacus erithacus, n ϭ 1; and Trichoglossus haematodus, n ϭ 1), as previously described [10,11,12]
beak and feather disease virus (BFDV) was previously identified in two M. undulatus strains (PL1067 and PL1068) [10]
Summary
Eight genomes of avian polyomaviruses (APVs) were recovered and sequenced from deceased Psittacula eupatria, Psittacula krameri, and Melopsittacus undulatus from various breeding facilities in Poland. Polyomaviruses (family Polyomaviridae) are nonenveloped viruses with an icosahedral capsid of ~45 nm in diameter and a circular double-stranded DNA genome of ~5 kb. Numerous polyomaviruses have been identified and infect a wide range of vertebrates.
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