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The genus is distinguished on the basis of genetic characters.
No surface morphology of the icosahedral capsid is visible by EM.
Genome (Fichtner et al., 2013)( M.A. Hahn and N.M. Dheilly, unpublished): c. 7,496 nt (partial) (5′-UTR: >488 nt; ORF: 6,777 nt; 3′-UTR: 231 nt). The location of the cre has not been identified.
The deduced polyprotein is of 2,259 aa. There is no L protein. The 1AB protein remains uncleaved. The 2A1 protein has an NPG↓P motif. The 2A2 protein has an H-box/NC sequence motif.
Eel picornavirus (EPV) was isolated from a common eel (Anguilla anguilla) in Lake Constance on the river Rhine. EPV can be propagated in eel kidney 1 (EK-1) cells. It is pathogenic in experimentally infected glass eels and induces a high mortality. RNA of threespine stipleback picornavirus was detected in samples of Gasterosteus aculeatus from Alaska, USA (M.A. Hahn and N.M. Dheilly, unpublished).
Potamipivirus: from Greek potamos, 'river', and picornavirus
Members of a species of the genus Potamipivirus:
Beihai pentapodus picornavirus [LXMC175911]
Wenling pleuronectiformes picornavirus [XDXMG712]
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