Influenza virus replication cycle

The influenza virus replication cycle refers to the complete sequence of steps by which the influenza virus infects host cells, replicates its genome, assembles progeny virions, and exits to infect new cells. This cycle involves multiple viral proteins (such as hemagglutinin for entry, neuraminidase for release, RNA polymerase complex—PB1, PB2, PA—for transcription and replication, nucleoprotein for vRNP assembly), as well as exploitation of host cell pathways for entry, genome transcription, replication, vRNP export, and virus budding[1][5][7][8]. Drugs approved or in development for influenza typically target specific viral proteins (like neuraminidase, M2 ion channel, or polymerase complex), or host processes that the virus hijacks for its replication[5][6]. The replication cycle is not itself a discrete molecular target but a system-level process encompassing these molecular interactions. Key clarification: "Influenza virus replication cycle" is not a canonical molecule, receptor, or protein; it is a process. Specific molecular targets within this cycle include: - Neuraminidase (NA) - M2 ion channel protein - RNA-dependent RNA polymerase (RdRp) complex (PB1, PB2, PA) - Nucleoprotein (NP) - Hemagglutinin (HA) - Host factors like sialic acid receptors, COPI complex, vATPase, FGFR, and others exploited by the virus[5][6]. If you are seeking information about a specific molecular target within the influenza virus replication cycle (e.g., "Influenza A virus RNA-dependent RNA polymerase" or "Neuraminidase"), please specify, and I can provide a canonicalized entry for that specific molecule.

Other names

Influenza replication cycleInfluenza virus life cycleInfluenza viral replicationInfluenza life cycle