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Citrus psorosis virus (CPsV) and Mirafiori lettuce big-vein virus (MiLBVV), members of the Ophioviridae family, have segmented negative-sense single-stranded RNA genomes. To date no reports have described how ophioviruses spread within host plants and/or the proteins involved in this process. Here we show that the 54K protein of CPsV is encoded by RNA 2 and describe its subcellular distribution. Upon...
Viral capsid proteins (CPs) are characterized by their role in forming protective shells around viral genomes. However, CPs have additional and important roles in the virus infection cycles and in the cellular responses to infection. These activities involve CP binding to RNAs in both sequence-specific and nonspecific manners as well as association with other proteins. This review focuses on CPs of...
The RNA-dependent RNA polymerases (RdRp) from Citrus tristeza virus (CTV) were tagged with HA and FLAG epitopes. Differentially tagged proteins were expressed either individually or concomitantly in Escherichia coli. Immunoprecipitation of the expressed proteins with anti-FLAG antibody followed by Western blot with anti-HA antibody demonstrated that molecules of RdRp from CTV interact to form oligomers...
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