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The order
Picornavirales
(Le
Gall et al., 2008)
consists of the families Picornaviridae,
Comoviridae,
Dicistroviridae,
Iflaviridae,
Marnaviridae
and Sequiviridae and the unassigned genera
Cheravirus and
Sadwavirus.
Two new taxa have been proposed to belong to the order, the proposed
family "Schirnaviridae" and the proposed genus
"Torradovirus".
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References
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Le Gall, O., Christian, P., Fauquet, C.M., King, A.M.Q., Knowles,
N.J., Nakashima, N., Stanway, G., Gorbalenya, E.E. (2008).
Picornavirales, a proposed order of positive-sense
single-stranded RNA viruses with a pseudo T = 3 virion architecture.
Archives of Virology 153: 715-727. |
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Proposed changes to the classification of the plant
Picornavirales: |
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It has recently been proposed to group the
following genera in a new family called
"Secoviridae":
Comovirus,
Fabavirus,
Nepovirus,
Sequivirus,
Waikavirus,
Cheravirus,
Sadwavirus
and the proposed genus "Torradovirus".
It has also been proposed that the genera Comovirus,
Fabavirus and Nepovirus
be included in a subfamily to be called "Comovirinae".
The families Comoviridae
and Sequiviridae
would then no longer exist. |
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Possible representative of a new virus
family:
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Nora virus (DQ321720)
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Habayeb, M.S., Ekengren, S.K. and Hultmark, D.
(2006). Nora virus, a persistent virus in Drosophila,
defines a new picorna-like virus family. J Gen Virol. 87: 3045-3051.
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Possible representative of a new virus
family: |
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Solenopsis invicta virus 2 (EF428566) |
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Valles, S.M., Strong, C.A. and Hashimoto, Y. (2007). A new
positive-strand RNA virus with unique genome characteristics from
the red imported fire ant, Solenopsis invicta. Virology
365: 457-463. |
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Possible new picorna-like virus
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ABSTRACT: Urastoma
cyprinae is a turbellarian parasite
infecting the gills of several marine bivalves. We observed the
presence of virus-like particles (24 to 30 nm in diameter;
icosahedral symmetry) arranged in paracrystalline arrays in the
cytoplasm of subepidermal dorsal cells. These particles appear to be
RNA viruses, possibly related to the Picornaviridae. This is the
first report of viral particles in the parasite
U. cyprinae.
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Reference |
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Crespo-González, C., Rodríguez-Domínguez, H.,
Soto-Búa, M., Segade, P., Iglesias, R., Arias-Fernández, C. and
García-Estévez, J.M. (2008). Virus-like particles in
Urastoma cyprinae,
a turbellarian parasite of Mytilus
galloprovincialis. Dis. Aquat.
Organ. 79: 83-86.
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Links
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ICTV Website
IAH Virus Pages
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