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Beak and feather disease virus genotypes in Australian parrots reveal flexible host-switching
S Sarker1,2, J K Forwood3,2, S A Ghorashi1,2
1School of Animal and Veterinary Sciences, Charles Sturt University, Wagga Wagga, New South Wales, Australia.
Objective:
To discover beak and feather disease virus (BFDV) genotypes in Australian parrots that might threaten vulnerable and endangered psittacine bird species.
Methods:
Phylogenetic analyses of new DNA sequence data from Australian birds including the Rep gene (n = 55) and nine whole genomes, were compared with all available published BFDV genomes to assess host- and geographically-based divergence as well as probable host-switch events.
Results:
Strong support for flexible host-switching and recombination was detected, indicating active cross-species transmission in various subpopulations.
Conclusion:
The data suggested that all endangered Australian psittacine bird species are equally likely to be infected by BFDV genotypes from any other close or distantly related host reservoir species.
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