Immunogold staining (10 nm) of the Baculovirus (AcMNPV) surface protein gp64 in a negative staining preparation
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The gp64 is important for adhesion to the target cells and for membrane fusion with the infected cell.The shown gp64 staining served as a positive control for the localisation of gp64 on the surface of recombinant, non infectious HIV particles, which were produced with the Bac-toBac expression system.

Courtesy of:
Central EM-Lab/Pathology, Dr. J. Schroeder,
HIV Vaccine Development, S.Bredl, L.Deml and R. Wagner,
Insitute for Medical Microbiology and Hygiene
Universitätsklinikum Regensburg, Deutschland