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Genomic and evolutionary characterization of a novel influenza-C-like virus from swine

文献类型： 外文期刊

作者： Sheng, Zizhang 1 ; Ran, Zhiguang 2 ; Wang, Dan 4 ; Hoppe, Adam D. 1 ; Simonson, Randy 5 ; Chakravarty, Suvobrata 1 ; H 1 ;

作者机构： 1.S Dakota State Univ, Dept Chem & Biochem, Brookings, SD 57007 USA

2.S Dakota State Univ, Dept Vet & Biomed Sci, Brookings, SD 57007 USA

3.S Dakota State Univ, Dept Biol & Microbiol, Brookings, SD 57007 USA

4.S Dakota State Univ, Dept Hlth & Nutr Sci, Brookings, SD 57007 USA

5.Newport Labs, Worthington, MN 56187 USA

6.Shandong Acad Agr Sci, Shandong Poultry Inst, Jinan 250023, Peoples R China

期刊名称：ARCHIVES OF VIROLOGY （ 影响因子：2.574； 五年影响因子：2.466 ）

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收录情况： SCI

摘要： We recently described the isolation of a novel influenza virus from swine exhibiting respiratory disease in the United States that is distantly related to human influenza C virus. Based on genetic, biochemical and morphological analysis, the virus was provisionally classified as C/swine/Oklahoma/1334/2011 (C/OK). To further understand the genetics and evolution of this novel pathogen, we performed a comprehensive analysis of its sequence and phylogeny. The results demonstrated that C/OK and human influenza C viruses share a conserved array of predicted functional domains in the viral RNA genome replication and viral entry machinery but vary at key functional sites. Furthermore, our evolutionary analysis showed that homologous genes of C/OK and human influenza C viruses diverged from each other an estimated several hundred to several thousand years ago. Taken together, the findings described in this study support and extend our previous observations that C/OK is a genetically and evolutionarily distinct influenza virus in the family Orthomyxoviridae.

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