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Genetic diversity of USUV strains. a Amino acid % identity of the viral polyprotein (MUSCLE, EMBL-EBI). Viral strains and associated lineage are indicated in the table. b Annotated viral genome and subsequent viral proteins are shown. A zoom on specific known virulence motifs is presented with amino acid position in the relative viral protein (up) or in the polyprotein (down). Each amino acid is highlighted with a specific color
