Genome-wide RNAi screen identifies novel host proteins required for alphavirus entry.
alphavirus that blanketed including the important and emerging human pathogens such as Chikungunya virus and Eastern equine encephalitis virus. Alphavirus enter cells by clathrin-mediated endocytosis, and exit by budding from the plasma membrane. Although Chicken Clia Kits there has been great progress in defining the structure and function of the viral proteins, relatively little is known about the factors involved in the host alphavirus infection. We used genome-wide siRNA screen to identify host factors that promote or inhibit alphavirus infection in human cells. Fuzzy homolog (fuz), a protein with a reported role in planar cell polarity and cilium biogenesis, required for clathrin dependent internalization of both the classical endocytic alphavirus and transferrin ligands. TSPAN9 tetraspanin membrane protein is essential for efficient viral fusion with low pH-triggered endosome membrane. Fuz TSPAN9 comprehensive and necessary for infection by alphavirus Sindbis v...