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Comparison of the coat protein genes of Mirafiori lettuce big-vein virus isolates from Australia with those of isolates from other continents

Archives of Virology volume 155, pages 1519–1522 (2010)Cite this article

Abstract

The complete coat protein nucleotide encoding sequences of 13 Mirafiori lettuce big-vein virus isolates from Australia were compared to those of 23 other isolates, including one from Australia. On phylogenetic analysis, sub-clade A1 contained isolates from Australia (13), Europe and Japan, A2 contained isolates from Australia (1), Europe and South America, and B1 and B2 contained only European isolates. In the amino acid sequences deduced, the N-terminus and central regions varied considerably between clades A and B. Mean Dn/Ds ratios were 0.112, 0.076, 0.187 and 0.063 for all isolates, Australian isolates, clade A isolates and clade B isolates, respectively.

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Acknowledgments

We thank Stephen Wylie, Craig Webster, Rohan Prince and Denis Phillips for advice, the State Agricultural Biotechnology Centre for laboratory facilities and local farmers for allowing sampling. L.M. received an Australian Postgraduate Award Industry from the Australian Research Council.

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Affiliations

  1. School of Plant Biology, Faculty of Natural and Agricultural Sciences, University of Western Australia, Crawley, WA, 6009, Australia

    Linda D. Maccarone, Martin J. Barbetti, Krishnapillai Sivasithamparam & Roger A. C. Jones

  2. Department of Agriculture and Food, Locked bag 4, Bentley Delivery Centre, Bentley, WA, 6983, Australia

    Roger A. C. Jones

Authors
  1. Linda D. Maccarone
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  2. Martin J. Barbetti
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  3. Krishnapillai Sivasithamparam
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  4. Roger A. C. Jones
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Correspondence to Roger A. C. Jones.

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Maccarone, L.D., Barbetti, M.J., Sivasithamparam, K. et al. Comparison of the coat protein genes of Mirafiori lettuce big-vein virus isolates from Australia with those of isolates from other continents. Arch Virol 155, 1519–1522 (2010). https://doi.org/10.1007/s00705-010-0740-y

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  • DOI: https://doi.org/10.1007/s00705-010-0740-y

Keywords

  • Coat Protein
  • Australian Isolate
  • Coat Protein Sequence
  • European Isolate
  • Spanish Isolate