A novel virus of the genus Narnavirus, designated “Saccharomyces narnavirus I329” (ScNV-I329), was discovered in Saccharomyces cerevisiae strain I-329, which is used for industrial production of sherry-like wines. The genome of ScNV-I329 is 2509 nt in length with short terminal inverted repeats and a single open reading frame capable of encoding an RNA-dependent RNA polymerase most closely related to that of Saccharomyces 20S RNA narnavirus. This is the third known member of the genus Narnavirus from yeasts.
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This work was supported by the Russian Science Foundation (grant 16-16-00109).
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Mardanov, A.V., Beletsky, A.V., Tanashchuk, T.N. et al. A novel narnavirus from a Saccharomyces cerevisiae flor strain. Arch Virol 165, 789–791 (2020). https://doi.org/10.1007/s00705-020-04539-0