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. 1985 May;54(2):247-55.
doi: 10.1128/JVI.54.2.247-255.1985.

Molecular cloning and partial sequencing of hepatitis A viral cDNA

D L Linemeyer, J G Menke, A Martin-Gallardo, J V Hughes, A Young, S W Mitra

Molecular cloning and partial sequencing of hepatitis A viral cDNA

D L Linemeyer et al. J Virol. 1985 May.

Abstract

Hepatitis A virus was purified from infected monkey kidney cell cultures, and the viral RNA was used to synthesize double-stranded cDNA. This cDNA was cloned either after insertion into a plasmid-primed synthesis system or after insertion into the PstI site of pBR322. The resulting clones were mapped by restriction endonuclease analysis and by cross hybridization of the viral inserts to generate a composite map which represented at least 97% of the viral genome, lacking ca. 220 bases from the 5' end of the genome. The clones were verified to be hepatitis A virus specific based on their positive hybridization to viral RNA and to total hepatitis A virus-infected cellular RNA from a heterologous marmoset host system. The nucleotide sequence of 3,054 base pairs of cDNA homologous to the 5' half of the viral genome was determined, and an open reading frame of 854 consecutive coding triplets was identified. In addition, sequences which encode the VP-1 and VP-3 viral structural proteins were located in the nucleotide sequence.

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