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TTV circular genome (thin line) with ORFs 1 and 2 indicated. Anchored PCR extension clones extending upstream and downstream from the N22 clone sequence (gray box) described by Nishizawa et al. (1) are indicated by the arrows inside the circular genome. The inverse PCR product (ud) that overlaps the anchored PCR products is also shown. The 113-nt sequence identified in the GH1 isolate is indicated by the hatched box. Position 1 is indicated by the arrow.
