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Comparative sequence analysis of VP7 genes from five Australian porcine rotaviruses

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Summary

The genes coding for the rotavirus major neutralizing protein, VP7, from 5 Australian porcine rotaviruses representing glycoprotein (i.e. VP7 or G) serotypes 3, 4, and 5, were sequenced. The genes were each 1,062 nucleotides long with two long open reading frames for proteins of either 326 or 297 amino acids and containing only one potential glycosylation site at amino acid position 69. When compared to the corresponding genes of human viruses, the porcine genes showed very high nucleotide and deduced amino acid homology. Sequence comparison also revealed that Australian porcine rotaviruses of G serotype 4 and 5 were similar to the corresponding porcine strains found in the U.S.A. and U.K., while G serotype 3 and 4 porcine rotaviruses were closely related to human G serotype 3 strain, RV-3 and serotype 4 strain, ST-3, respectively. These Australian rotavirus VP7 sequences were found to correlate with serological data we reported previously.

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Authors and Affiliations

  1. Department of Microbiology, University of Melbourne, Parkville, Victoria, Australia

    J. Huang, H. S. Nagesha, M. L. Dyall-Smith & I. H. Holmes

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  1. J. Huang
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  2. H. S. Nagesha
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  3. M. L. Dyall-Smith
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  4. I. H. Holmes
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Huang, J., Nagesha, H.S., Dyall-Smith, M.L. et al. Comparative sequence analysis of VP7 genes from five Australian porcine rotaviruses. Archives of Virology 109, 173–183 (1989). https://doi.org/10.1007/BF01311079

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  • DOI: https://doi.org/10.1007/BF01311079

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