Journal
ARCHIVES OF VIROLOGY
Volume 164, Issue 11, Pages 2829-2836Publisher
SPRINGER WIEN
DOI: 10.1007/s00705-019-04389-5
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Funding
- USDA AFRI Food Security CAP grant [2012-68004-20166]
- Washington State University's Agricultural Research Center in the College of Agricultural, Human, and Natural Resource Sciences, Washington State University, Pullman, WA [WNPO 0616]
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The complete sequence of the medium (M) and small (S) RNA genome segments were determined for twelve isolates of impatiens necrotic spot virus from eight plant species. The M- and S-RNAs of these isolates shared 97-99% and 93-98% nucleotide sequence identity, respectively, with the corresponding full-length sequences available in public databases. Phylogenetic analysis based on the M- or S-RNA sequences showed incongruence in the phylogenetic position of some isolates, suggesting intraspecies segment reassortment. The lack of phylogenetic discordance in individual and concatenated sequences of individual genes encoded by M- or S-RNAs suggests that segment reassortment rather than recombination is driving evolution of these INSV isolates.
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