Solendovirus

Solendovirus is a genus of viruses in the order Picornavirales, in the family Solemoviridae. There are two species in this genus. Diseases associated with this genus include: necrosis in the pancreas and muscle of Atlantic salmon.

Taxonomy

The following two species are assigned to the genus:

• Salmon pancreas disease virus
• Sleeping disease virus

Structure

Solendoviruses are non-enveloped, with icosahedral and spherical geometries, and T=pseudo3 symmetry. The diameter is around 30 nm. Genomes are linear and non-segmented, around 7.3-7.5kb in length.

Life Cycle

Viral replication is cytoplasmic. Entry into the host cell is achieved by attachment of the virus to host receptors, which mediates endocytosis. Replication follows the positive stranded RNA virus replication model. Positive stranded RNA virus transcription is the method of transcription. Translation takes place by -1 ribosomal frameshifting. The virus exits the host cell by lysis, and viroporins. Salmons serve as the natural host. Transmission routes are fecal-oral.

Clinical Significance

Solendoviruses are known to cause diseases in fish, particularly in Atlantic salmon. The diseases associated with this genus include necrosis in the pancreas and muscle of Atlantic salmon. The two species, Salmon pancreas disease virus and Sleeping disease virus, are of significant concern in aquaculture.

See Also

• Viral taxonomy
• Virology
• Aquaculture

External Links

• NCBI Taxonomy Browser, Solendovirus

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