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. 2020 May 7;11:733. doi: 10.3389/fmicb.2020.00733

FIGURE 1.

FIGURE 1

Herpes simplex virus (HSV) entry and release at the cell membrane. (A) Attachment. The HSV envelope glycoproteins gB, gD, and gH/gL interact with the receptors on the cell membrane. (B) Penetration. Entry of HSV into the cell takes place either by membrane fusion, where the membrane of the virus and the cell fuse for the cellular uptake of the nucleocapsid only or, by endocytosis, where the enveloped virus is engulfed in an endosome followed by endosome fusion to release the nucleocapsids. The nucleocapsids enter into the nucleus for viral replication. (C) Release. The HSV progenies are released into the cytoplasm, acquire the membrane from the host cell in a process called budding.