Sugarcane streak mosaic virus

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Sugarcane streak mosaic virus (SCSMV)

The virus has been reported from southern Asia, Australia and parts of Africa. It infects sugarcane and several other crops like sorghum, maize, millet and some grasses. Infected sugarcane plants show mosaic symptoms on the leaves.

SCSMV can be transmitted mechanically by sap, but a possible vector is unknown. The particles are long and flexuous (about 890 x 15 nm) with a single-stranded, positive-sensed RNA genome, approximately 10 kb large, which encodes a polyprotein that cleaves into 10 proteins.