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  • Title: Tensaw virus genome sequence and its relation to other Bunyaviridae.
    Author: Watts SL, Garcia-Maruniak A, Maruniak JE.
    Journal: Virus Genes; 2009 Dec; 39(3):309-18. PubMed ID: 19760176.
    Abstract:
    Tensaw virus (TSV) belongs to the genus Orthobunyavirus within the Bunyaviridae family. Although TSV does not cause hemorrhagic fever as some other members of its family, serological studies have shown that serum from Florida residents react against TSV indicating viral infection in humans. In this study, the three RNA genome segments of a TSV isolated from Anopheles crucians mosquitoes collected in North Central Florida in 2006 and a TSV isolate obtained from the CDC, Fort Collins, were sequenced and compared to other Bunyaviridae. The placement of the TSVs within the Bunyamwera serogroup was confirmed by phylogenetic analysis of the inferred amino acid (aa) sequence of proteins coded by each of the RNA segments separately as well as by the combined tree of the same three inferred proteins. The N terminal glycoprotein (Gn) encoded by the M segment contained the 18 conserved Cysteines present in Bunyamwera and California serogroups, the two glycosylation sites, and residues considered potential proteolytic cleavage sites conserved in other Bunyaviridae. The TSV L protein displayed all the strictly conserved amino acids in the four conserved regions known to be catalytically active for the RNA dependent RNA polymerase transcriptase and replicase activities. The amino acid conservation between the two TSV viral isolates was 100, 99.4, and 99.6% for the S, M, and L segments, respectively.
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