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A novel foveavirus identified in wild grapevine (Vitis vinifera subsp. sylvestris)

Abstract : We report the genome sequence of a putative new foveavirus infecting non-cultivated Vitis vinifera, tentatively named "grapevine foveavirus A" (GFVA). This virus was identified by high-throughput sequencing analysis of a European wild Vitis collected in Switzerland. Phylogenetic analysis revealed that this virus clustered with known grapevine virus T (GVT) isolates but was clearly distinct from any of them. If considering the International Committee of Taxonomy of Viruses (ICTV)-suggested foveavirus species demarcation criterion based on sequence similarity in the replicase gene/protein, this virus should be considered a member of a new species closely related to GVT. On the other hand, comparison of capsid gene/ protein sequences using the same criteria indicates that GFVA is at the border of species demarcation. Whether this virus represents a highly divergent GVT isolate or a member of a distinct but closely related species is discussed.
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Submitted on : Thursday, October 29, 2020 - 11:16:23 AM
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Jean-Sébastien Reynard, Justine Brodard, Eric Remoliff, Marie Lefebvre, Olivier Schumpp, et al.. A novel foveavirus identified in wild grapevine (Vitis vinifera subsp. sylvestris). (0123456789) 1 3 Archives of Virology, 2020, 165 (12), pp.2999 - 3002. ⟨10.1007/s00705-020-04817-x⟩. ⟨hal-02983032⟩



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