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Nucleotide and amino acid sequence coding for polypeptides of foot-and-mouth disease virus type A12.

By B H Robertson, M J Grubman, G N Weddell, D M Moore, J D Welsh, T Fischer, D J Dowbenko, D G Yansura, B Small and D G Kleid


The coding region for the structural and nonstructural polypeptides of the type A12 foot-and-mouth disease virus genome has been identified by nucleotide sequencing of cloned DNA derived from the viral RNA. In addition, 704 nucleotides in the 5' untranslated region between the polycytidylic acid tract and the probable initiation codon of the first translated gene, P16-L, have been sequenced. This region has several potential initiation codons, one of which appears to be a low-frequency alternate initiation site. The coding region encompasses 6,912 nucleotides and ends in a single termination codon, UAA, located 96 nucleotides upstream from a 3'-terminal polyadenylic acid tract. Microsequencing of radiolabeled in vivo and in vitro translation products identified the genome position of the major foot-and-mouth disease virus proteins and the cleavage sites recognized by the putative viral protease and an additional protease(s), probably of cellular origin, to generate primary and functional foot-and-mouth disease virus polypeptides

Topics: Research Article
Year: 1985
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Provided by: PubMed Central
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