One structural virion protein found. The 82 kDa protein is probably a polymerase, and the 30 kDa the coat protein. Function of Helper and Satellite Viruses. Virions associated with helper virus, but independent from its functions during replication. Inclusions present in infected cells.
Inclusions are crystals in the cytoplasm, or unusual in shape.
String-like arrays and aggregates in the nucleus. Natural Host Range and Symptoms Symptoms persist. Nicotiana clevelandii, N. tabacum - necrotic local lesions. Phaseolus vulgaris, Vigna unguiculata, Nicotiana clevelandii, N. tabacum . Transmission Transmitted by a vector.