We report the complete genome sequence of a new avastrovirus of goose-origin (FLX). The 7299-nt-long genome consisted of three overlapping open reading frames (ORFs) that were in different reading frames. Pairwise comparisons showed that the FLX genome was 59% identical to its closest relatives and that the levels of amino acid identity shared by FLX with other astroviruses did not exceed 54% in ORF1a, 66% in ORF1b, and 50% in ORF2, respectively. Phylogenetic analysis based on the amino acid sequence of the full-length ORF2 demonstrated that FLX was highly divergent from all other avastroviruses. At the amino acid level the complete capsid region of FLX shared genetic distances of 0.574–0.719 with three official avastrovirus species, suggesting that it can be classified as a member of a novel species in the genus Avastrovirus.
Archives of Virology – Springer Journals
Published: Mar 18, 2017
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