Article
Sequence variability in the putative coding region of TT virus: evidence for two rather than several major types.
The Journal of general virology - 1 Dec 1998
Viazov S, Ross R S, Niel C, de Oliveira J M, Varenholz C, Da Villa G, Roggendorf M
Abstract excerpt
Recently a new human virus, TT virus (TTV) was identified in the serum of a patient with post-transfusion hepatitis of unknown aetiology. Comparative sequence analysis of a 222 nt fragment of ORF 1 of TTV was performed to assess the genomic variability of this virus. Phylogenetic analysis of the nucleotide sequences of 76 TTV isolates collected in 17 countries segregated them into two major groups: TTV 1 and TTV...
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