Tomato bushy stunt virus

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Tomato bushy stunt virus
Virus classification
Group: Group IV ((+)ssRNA) Family: Tombusviridae Genus: tombusvirus

Tomato bushy stunt virus is a tombusvirus first reported in tomatoes in 1935. Depending upon the host, TBSV causes stunting of growth, leaf mottling, and deformed or absent fruit. The virus is transmitted manually through the use of contaminated cutting tools. A wide variety of species are affected.

The virus is a spherical virus with a triangulation number of T = 3, hence has 180 subunits. In 1978, its structure was determined by x-ray crystallography by Stephen Harrison.