Sequence variation in the gene for the immunogenic capsid protein VP1 of foot-and-mouth disease virus type A

G. N. Weddell, D. G. Yansura, D. J. Dowbenko, Maureen Hoatlin, M. J. Grubman, D. M. Moore, D. G. Kleid

Research output: Contribution to journalArticle

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Abstract

The nucleotide sequences have been determined and compared from cloned cDNA genes coding for the foot-and-mouth disease virus (FMDV) immunogenic capsid protein, VP1, from eight different A subtypes: A5 Westerwald/58, A12 119ab (large plaque variant), A22 550 USSR/65, A24 Cruzeiro Brazil/55, A27 Cundinamarca Colombia/76, A32 Venezuela/70, A Venceslau Brazil/76, and A Argentina/79. We have also found sequence variations among different cDNA clones of the A5 and A24 subtypes. There are regions of nucleotide sequence within the VP1 gene that vary considerably among the subtypes as well as other regions that remain relatively constant. One highly variable region (codons 130-171) encodes amino acids previously identified as being exposed on the virus surface and constituting an important immunogenic site of the virus. There potentially exist secondary structures within the viral RNA sequences that code for this immunogenic site that could decrease the fidelity of replication at this sequence. The rapid generation of FMDV variants encouraged by such structures in the RNA could work together with various selective pressures to explain the observed accumulation of immunologically distinct viruses of the FMDV A type.

Original languageEnglish (US)
Pages (from-to)2618-2622
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Volume82
Issue number9
DOIs
StatePublished - 1985
Externally publishedYes

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Foot-and-Mouth Disease Virus
Capsid Proteins
Viruses
Brazil
Complementary DNA
Genes
Venezuela
compound A 12
Colombia
USSR
Argentina
Viral RNA
Codon
Clone Cells
RNA
Amino Acids

ASJC Scopus subject areas

  • Genetics
  • General

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Sequence variation in the gene for the immunogenic capsid protein VP1 of foot-and-mouth disease virus type A. / Weddell, G. N.; Yansura, D. G.; Dowbenko, D. J.; Hoatlin, Maureen; Grubman, M. J.; Moore, D. M.; Kleid, D. G.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 82, No. 9, 1985, p. 2618-2622.

Research output: Contribution to journalArticle

Weddell, G. N. ; Yansura, D. G. ; Dowbenko, D. J. ; Hoatlin, Maureen ; Grubman, M. J. ; Moore, D. M. ; Kleid, D. G. / Sequence variation in the gene for the immunogenic capsid protein VP1 of foot-and-mouth disease virus type A. In: Proceedings of the National Academy of Sciences of the United States of America. 1985 ; Vol. 82, No. 9. pp. 2618-2622.
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