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Picornavirus
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 Megrivirus C

Child level

Megrivirus C seqs

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Megrivirus A
Megrivirus B
Megrivirus C
Megrivirus D
Megrivirus E
Avocet & plover megriviruses
  Megrivirus C is a species in the genus Megrivirus.

Two megri-like viruses have been detected in chickens in USA and Hungary (Farkas et al., 2012; Boros et al., 2014). A third chicken megrivirus (called chicken picornavirus 5) has recently been described (Lau et al., 2014). Kim et al. (2015) have described a chicken megrivirus (which they call chicken proventriculitis virus) as a possible cause of transmissible viral proventriculitis in chickens.

Two partial sequences from chickens with runting-stunting syndrome (Kim et al., unpub.) appear to be chick megriviruses. They were named by the authors as chicken picornavirus HK-2014 along with a partial sequence of a virus most closely related to quail picornavirus 1.

Avian entero-like virus 2 (McNulty et al., 1987) has recently been shown to be a chicken megrivirus (Knowles et al., unpub.).

Genome organisation:

VPg+5'UTRIRES-IVB[1AB-1C-1D/2A1-2A2-2A3H-box/NC-2B-2C/3A-3BVPg-3Cpro-3Dpol][ORF2?]3'UTR-poly(A)


References

Boros, ., Pankovics, P., Knowles, N.J., Nemes, C., Delwart, E. and Reuter, G. (2014). Comparative complete genome analysis of chicken and turkey megriviruses (family Picornaviridae): long 3 untranslated regions with a potential second open reading frame and evidence for possible recombination. J. Virol. 88: 6434-6443.

Farkas, T., Fey, B., Hargitt, E. 3rd., Parcells, M., Ladman, B., Murgia, M. and Saif, Y. (2012). Molecular detection of novel picornaviruses in chickens and turkeys. Virus Genes 44: 262-272.

Kim, H., Yoon, S., Lee, H. and Kwon, Y. (2015). Identification of a picornavirus from chickens with transmissible viral proventriculitis using metagenomic analysis. Arch. Virol. 160: 701709. [Epub ahead of print 2015 Jan 7]

Kim, H., Choi, J., Lee, H. and Kwon, Y. Viral metagenomic analysis of the feces of chickens with runting-stunting syndrome. Unpublished.

Lau, S.K., Woo, P.C., Yip, C.C., Li, K.S., Fan, R.Y., Bai, R., Huang, Y., Chan, K.H. and Yuen, K.Y. (2014). Chickens host diverse picornaviruses originated from potential interspecies transmission with recombination. J. Gen. Virol. 95: 1929-1944.

McNulty, M.S., Allan, G.M. and McFerran, J.B. (1987). Isolation of a novel avian entero-like virus. Avian Pathology 16: 331-337.


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