Browsing by Author "Bragg, Robert R"
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- ItemRestrictedA unique isolate of beak and feather disease virus isolated from budgerigars (Melopsittacus undulatus) in South Africa(Springer Verlag, 2010) Varsani, Arvind; de Villiers, Gillian K; Regnard, Guy L; Bragg, Robert R; Kondiah, Kulsum; Hitzeroth, Inga I; Rybicki, Edward PBeak and feather disease virus (BFDV), the causative agent of psittacine beak and feather disease (PBFD) infects psittaciformes worldwide. We provide an annotated sequence record of three full-length unique genomes of BFDV isolates from budgerigars (Melopsittacus undulatus) from a breeding farm in South Africa. The isolates share[99% nucleotide sequence identity with each other and *96% nucleotide sequence identity to two recent isolates (Melopsittacus undulatus) from Thailand but only between 91.6 and 86.6% identity with all other full-length BFDV sequences. Maximum-likelihood analysis and recombination analysis suggest that the South African budgerigar BFDV isolates are unique to budgerigars, are non-recombinant in origin, and represent a new genotype of BFDV.