Microbiology and Immunology 2500A/B Lecture 18: Lecture 5_ Virus Entry
4 Apr 2020
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Viruses are too large to be passively transported into cell not: ::: :: Host receptors have specificity for (antigens) certain that bind to host receptors antigens. If not correct antigen , random electrostatic interactions will occur but will not initiate infectious cycle. : receptor initiate infectious its receptor will ( obligate intracellular parasite) for virus cycle replication gf-iiimmtemrsgraanreep. hu?es. Receptors have various recognize multiple viruses functions within host (and vice versa) cells (not just virus receptors) Essential for many viruses (co -receptor) required (except yeast and plant is. 60 of each vpi , vpl and vps (60 faces of 3 proteins each) Attachment directly and across pm after genome release conformational change in occur at same location. Poliovirus receptor (pur ) t (cid:8869)""at"" "ise -rat"s charm" Vpi n - termini insert into pm t. 0 hemagglutinin containing a viral is receptor for virus is hemagglutinin envelope glycoprotein sialic and (sugar) to bind host ( viral.
