Sclerotinia gemycircularvirus 1 is a single stranded DNA virus with a circular genome that infects the fungus "Sclerotinia sclerotiorum". Infection with this virus decreases the virulence of this fungus. The mechanism of this effect is not known.
Virology.
The virions are isometric particles, 20–22 nanometers in diameter. The capsid is composed on the viral coat protein (VCP).
Genome.
The genome encodes only two proteins—a replicase and the coat protein. The genes are encoded on complementary strands.
Taxonomy.
This virus appears to be related to but distinct from members of the "Geminiviridae". Unlike geminiviruses, this virus does not have a movement protein. It has been officially classified into the genus "Gemycircularvirus" within the new family "Genomoviridae".
References.
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