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Updated: May 17, 2026

Combining Analysis of DNA in a Crude Virion Extraction with the Analysis of RNA from Infected Leaves to Discover New Virus Genomes
Published on: July 27, 2018
Rubus canadensis virus 1, a novel betaflexivirus identified in blackberry
Nina Abou Ghanem-Sabanadzovic1, Ioannis E Tzanetakis, Sead Sabanadzovic
1Institute for Genomics, Biocomputing and Biotechnology, Mississippi State University, Mississippi State, MS 39762, USA.
Abstract:
Flexuous filaments, resembling flexivirus virions, were observed in partially purified blackberry preparations showing mild virus-like symptoms. Further tests revealed the presence of a novel betaflexivirus that is phylogenetically related to foveaviruses. The putative virus-encoded proteins shared limited similarity with orthologs of known members of the genus, indicating that the virus, provisionally named Rubus canadensis virus 1 (RuCV-1), represents a novel member of the taxon. Results of a survey in several U.S. states suggest that RuCV-1 is not widespread in the blackberry germplasm.
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