Abstract
The complete coat protein (CP) nucleotide sequences of 13 Potato virus S (PVS) isolates from Australia and three from Europe were compared to those of 37 others. On phylogenetic analysis, the Australian sequences were in PVSO sub-clades III and IV, and the European isolates were in sub-clades I and VII. The European isolates invaded Chenopodium spp. systemically, but eight Australian isolates did not. Amino acid sequence differences at the N-terminal ends of the CPs were unrelated to the ability to invade Chenopodium spp. systemically. The acronym PVSO–CS is suggested for isolates that invade Chenopodium spp. systemically but are not within clade PVSA.
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Acknowledgments
We thank those mentioned in Table 1 for PVS isolates and Mark Holland, Geoffrey Dwyer and Michael Jones for help in obtaining research finance. This research was funded by Australian Research Council Linkage Grant LP0668429 between Murdoch University, the Department of Agriculture and Food Western Australia, Saturn Biotech Ltd., and the Western Australian Potato Producers Committee of the Australian Agricultural Produce Commission.
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Cox, B.A., Jones, R.A.C. Genetic variability in the coat protein gene of Potato virus S isolates and distinguishing its biologically distinct strains. Arch Virol 155, 1163–1169 (2010). https://doi.org/10.1007/s00705-010-0680-6
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DOI: https://doi.org/10.1007/s00705-010-0680-6