Beak and feather disease virus genotypes in Australian parrots reveal flexible host-switching
Sarker, S., Forwood, J.K., Ghorashi, S.A., Peters, A., and Raidal, S.R. (2015) Beak and feather disease virus genotypes in Australian parrots reveal flexible host-switching. Australian Veterinary Journal, 93 (12). pp. 471-475.
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Abstract
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.