Abstract
Two double stranded RNAs (dsRNAs) that likely represent the genome of an alphapartitivirus, tentatively named "impatiens cryptic virus 1" (ICV1), were recovered from Impatiens balsamina L. RNA1 (2008 bp) codes for the RNA-dependent RNA polymerase (RdRp) of ICV1, which shares <83% amino acid sequence identity with the RdRps of other alphapartitiviruses. RNA2 (1906 bp) codes for the coat protein (CP) of ICV1, which shares <60% amino acid sequence identity with the CPs of other alphapartitiviruses. Phylogenetic analysis suggested that ICV1 is closely related to plant alphapartitiviruses, including vicia cryptic virus, beet cryptic virus 1, carrot cryptic virus, and white clover cryptic virus 1. Using primers specific for RNA1 or RNA2, ICV1 could be detected in I. balsamina from various parts of China.
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