Megrivirus

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Picornavirus
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The genus Megrivirus contains a five species Megrivirus A, Megrivirus B, Megrivirus C, Megrivirus D and Megrivirus E. The name megrivirus is derived from the turkey genus name Meleagris.

Genome organisation:

Megrivirus A (duck megrivirus)

VPg+5'UTR^IRES-IVB[1AB-1C-1D/2A1-2A2-2A3^H-box/NC-2B-2C/3A-3B^VPg-3C^pro-3D^pol]3'UTR-poly(A)

Megrivirus B (pigeon mesiviruses)

VPg+5'UTR^IRES-IV[1AB-1C-1D/2A1-2A2^H-box/NC-2B-2C/3A-3B^VPg-3C^pro-3D^pol]3'UTR-poly(A)

Megivirus C (chicken megrivirus)

VPg+5'UTR^IRES-IVB[1AB-1C-1D/2A1-2A2-2A3^H-box/NC-2B-2C/3A-3B^VPg-3C^pro-3D^pol][ORF2?]3'UTR-poly(A)

Current Melegrivirus A
VPg+5'UTR^IRES-IVB[1AB-1C-1D/2A1-2A2-2A3-2A4^H-box/NC-2B-2C/3A-3B^VPg-3C^pro-3D^pol][ORF2?]3'UTR-poly(A)

Megrivirus D (harrier megrivirus)

VPg+5'UTR^IRES-II[1AB-1C-1D/2A1-2A2^H-box/NC-2B-2C/3A-3B^VPg-3C^pro-3D^pol]3'UTR-poly(A)

Megivirus E (pengiun megrivirus)

VPg+5'UTR^IRES-IV[L/1AB-1C-1D/2A1-2A2-2A3^H-box/NC-2B-2C/3A-3B^VPg-3C^pro-3D^pol]3'UTR-poly(A)

References

Boros, Á., 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. Epub 2011 Dec 13.

Liao, Q., Zheng, L., Yuan, Y., Shi, J., Zhang, D. (2014). Genomic characterization of a novel picornavirus in Pekin ducks. Veterinary Microbiology 172: 78-91.

Wang, F., Liang, T., Liu, N., Ning, K., Yu, K. and Zhang, D. (2017). Genetic characterization of two novel megriviruses in geese. J Gen Virol. 2017 Jan 27. doi: 10.1099/jgv.0.000720. [Epub ahead of print] PubMed PMID: 28141510.