A new Betaflexivirus species in Ferraria crispa plants
Dekker, R. J.; de Leeuw, W. C.; van Olst, M.; Ensink, W. A.; van Leeuwen, S.; Breit, T. M.; Jonker, M. J.
Show abstract
The global virome is still largely unknown. In this study we describe the discovery of a new Betaflexivirus species in Ferraria crispa plants. The plant samples were collected in an experiment of 25 Asparagales plants, obtained from an urban botanic garden in the Netherlands, and analyzed by smallRNA-seq as well as RNA-seq. The new Betaflexivirus only occurred in four Ferraria cripsa plants and was tentatively named Ferraria Betaflexivirus 1 (FerBfV-1). This Betaflexivirus showed an RNA genome structure characteristic for the genus Capillovirus, a single-stranded (+) RNA virus. The closest known Capilloviruses in GenBank showed a protein similarity less than 49%, which is well below the proposed demarcation value of species in this genus. Further comparison analysis of the Capillovirus genus revealed the possible presence of two groups.
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