Umbravirus (genus)

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diagram of Umbravirus particle (click on image to enlarge it)
Authors: Swiss Institute of Bioinformatics
Source: ViralZone


The members of this genus of plant viruses resemble the Carrot mottle virus. They have non-enveloped, spherical (icosahedral) particles, about 25-30 nm in diameter. The single-stranded positive-sensed RNA genome is monopartite with 4 open reading frames. The transmission occurs through aphids. The viruses need a satellite virus for encapsidation and aphid transmission.

Currently, the following species have been entered into the system: