Identification of Zika Virus and Dengue Virus Dependency Factors using Functional Genomics.

The flaviviruses dengue virus (DENV) and Zika virus (ZIKV) are severe health threats with rapidly expanding ranges. To identify the host cell dependencies of DENV and ZIKV, we completed orthologous functional genomic screens using RNAi and CRISPR/Cas9 approaches. The screens recovered the ZIKV entry factor AXL as well as multiple ...
host factors involved in endocytosis (RAB5C and RABGEF), heparin sulfation (NDST1 and EXT1), and transmembrane protein processing and maturation, including the endoplasmic reticulum membrane complex (EMC). We find that both flaviviruses require the EMC for their early stages of infection. Together, these studies generate a high-confidence, systems-wide view of human-flavivirus interactions and provide insights into the role of the EMC in flavivirus replication.
Mesh Terms:
CRISPR-Cas Systems, Cell Membrane, Dengue Virus, Endoplasmic Reticulum, Genetic Testing, Genomics, HeLa Cells, Host-Pathogen Interactions, Humans, Intracellular Membranes, Protein Binding, Protein Interaction Maps, RNA Interference, Virus Replication, Zika Virus
Cell Rep
Date: Dec. 28, 2015
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