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EM of low res Marnavirus.jpg
Virus classification
Group: Group IV ((+)ssRNA)
Order: Picornavirales
Family: Marnaviridae
Genus: Marnavirus

Marnavirus is the only known genus within the family Marnaviridae of RNA virus. Virions consist of a round, non-enveloped capsid with icosahedral symmetry. The capsid is isometric.

The genome is a non-segmented single molecule of positive-sense, single-stranded RNA of approximately 9000 nucleotides in length.[1]


  1. ^ ICTVdB Management (2006). Marnavirus. In: ICTVdB - The Universal Virus Database, version 4. Büchen-Osmond, C. (Ed), Columbia University, New York, USA.

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