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Structure and Sequence Determinants Governing the Interactions of RNAs with Influenza A Virus Non-Structural Protein NS1

Viruses. 2020; 
Alan Wacquiez, Franck Coste, Emmanuel Kut, Virginie Gaudon, Sascha Trapp, Bertrand Castaing, Daniel Marc
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Recombinant Antibody Expression … USA). In addition, the full-length NS1 sequence of the avian H7N1 virus was purchased as a synthetic gene cloned into the SpeI-BamHI sites of expression vector pGEX-5X-1 DNA (Genscript, Piscataway, NJ, USA). Recombinant … Get A Quote

摘要

The non-structural protein NS1 of influenza A viruses is an RNA-binding protein of which its activities in the infected cell contribute to the success of the viral cycle, notably through interferon antagonism. We have previously shown that NS1 strongly binds RNA aptamers harbouring virus-specific sequence motifs (Marc et al., Nucleic Acids Res. 41, 434-449). Here, we started out investigating the putative role of one particular virus-specific motif through the phenotypic characterization of mutant viruses that were genetically engineered from the parental strain WSN. Unexpectedly, our data did not evidence biological importance of the putative binding of NS1 to this specific motif (UGAUUGAAG) in the 3'-untransl... More

关键词

3D structure, RNA, RNA-protein interaction, influenza A virus, non-structural NS1