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- W1567194265 abstract "This chapter summarizes the current understanding of the molecular biology of flaviviruses and points out promising avenues for future work. The molecular biology of flaviviruses is best understood in the context of the viral life cycle, which provides a framework for the organization of this chapter. Flavivirus particles bind to cells via interactions between the viral surface glycoprotein and cellular receptors. Several cell surface proteins have been described as putative receptors. In addition, opsonization with immunoglobulins enhances virus particle binding and infection of cells expressing immunoglobulin Fc receptors. Virions are internalized into clathrin-coated pits via receptor-mediated endocytosis. It is thought that virions are brought into a prelysosomal endocytic compartment where low pH induces fusion among the viruses and host cell membranes to release the virus nucleocapsid. The viral genome is released into the host cytoplasm by the process of nucleocapsid uncoating, which is not yet fully understood. Translation of the viral genome produces proteins that lead to replication of the viral genome and assembly of new virus particles. Flavivirus infection induces rearrangement of cytoplasmic membranes in the perinuclear region. Virus particles are thought to assemble by budding into the endoplasmic reticulum. A few studies have shown evidence for budding at the plasma membrane. Based on trans-complementation studies, it appears that genome packaging is coupled to RNA replication. Nascent virus particles pass through the host secretory pathway, where virion maturation occurs, and are released." @default.
- W1567194265 created "2016-06-24" @default.
- W1567194265 creator A5019683467 @default.
- W1567194265 creator A5028114292 @default.
- W1567194265 date "2003-01-01" @default.
- W1567194265 modified "2023-10-18" @default.
- W1567194265 title "Molecular biology of flaviviruses" @default.
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