Advances in Virology / 2013 / Article / Fig 1

Review Article

Hepatitis Delta Virus: A Peculiar Virus

Figure 1

Schematic representation of three HDV RNA species. The HDV genomic RNA is a single-stranded circular RNA with 1700 nucleotides. It forms an unbranched rod-like structure due to intramolecular base pairing. The HDV antigenomic RNA is the exact complement of the genomic RNA, and both RNAs have site-specific ribozymes indicated by the black circle. The HDV antigenomic RNA contains the open reading frame for the delta antigen, represented in grey, but the antigen is translated from another RNA species, the mRNA. The mRNA is ~800 nucleotides long with a 5′-cap and a 3′-polyadenylated tail.

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