The fusion mechanism is the mechanism by which
cell fusion takes place. Cell fusion is the formation of a hybrid cell from two different cells of different species.The term cell fusion mechanism refers to the
receptors required for cells to fuse, whereas the term cell fusion refers to the action of formation of the new cell.One example of the cellular fusion mechanism is that of
HIV infecting the body. HIV infects by fusing with the
membranes of
immune system cells. In order for HIV to fuse with a cell, it must be able to bind to the receptors
CD4,
CCR5, and
CXCR4.
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