Viruses-11-00844-g003

Autor/Urheber:

Susan J Dennis 1, Ann E Meyers, Inga I Hitzeroth, and Edward P Rybicki

Attribution:

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Shortlink:

https://dewiki.de/b/261d24

Quelle:

Wikimedia Commons

Größe:

5379 x 3901 Pixel (5185671 Bytes)

Beschreibung:

Diagrammatic representation of the replication cycle of bluetongue virus (BTV)/African horse sickness virus (AHSV). The virus enters the cell by the attachment of VP2 to sialic acid receptors and either clathrin-mediated endocytosis or macropinocytosis. The acidic pH in the endosome causes the loss of VP2 and mediates VP5 membrane permeabilization, which results in uncoating of the virion and release of the transcriptionally active core particle into the host cell cytoplasm. Transcription and translation of viral proteins occurs, utilizing the host cell machinery and the VIBs act as sites of assembly for the progeny virions. Assembled core particles are then trafficked from the VIB on exocytotic vesicles by NS3 interaction with calpactin. The outer capsid proteins VP5 and VP2 are acquired during this process to produce mature virions. Particles are released from the cell via budding mediated by NS3 or via host cell lysis.

Lizenz:

CC BY 4.0

Credit:

https://www.mdpi.com/1999-4915/11/9/844/htm

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