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Arch Virol. 2012 Jun;157(6):1199-204. doi: 10.1007/s00705-012-1279-x. Epub 2012 Mar 10.

Sequence and phylogenetic data indicate that an orthobunyavirus recently detected in the Yucatan Peninsula of Mexico is a novel reassortant of Potosi and Cache Valley viruses.

Author information

1
Department of Veterinary Microbiology and Preventive Medicine, College of Veterinary Medicine, Iowa State University, Ames, 50011, USA. blitvich@iastate.edu

Abstract

We determined the complete nucleotide sequences of the small (S) and medium (M) RNA segments of an orthobunyavirus isolated from mosquitoes in the Yucatan Peninsula of Mexico. A 528-nt region of the large (L) RNA segment was also sequenced. The S RNA segment has greatest nucleotide identity to the homologous region of Cache Valley virus (CVV; 98%) followed by Potosi virus (POTV; 89%) and Northway virus (86%). The M RNA segment has 96% nucleotide identity to the homologous region of POTV, and less than 74% nucleotide identity to the homologous regions of all other orthobunyaviruses for which M segment sequence data are available. The L RNA segment has greatest nucleotide identity to the homologous region of POTV (98%) followed by CVV (82%) and Tensaw virus (77%). These data indicate that the virus, tentatively named Cholul virus (CHLV), is a novel reassortant that acquired its S RNA segment from CVV and its M and L RNA segments from POTV. Phylogenetic data support this conclusion.

PMID:
22407405
DOI:
10.1007/s00705-012-1279-x
[Indexed for MEDLINE]

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