FIGURE 6.
Immunocytochemical localization of OBP6 (B), OBP7 (C), and OBP8 (D) in sensilla stellate on the antennae of spotted alfalfa aphid. The preimmune serum was used as control (A). OBP6, OBP7, and OBP8 are densely labeled in the sensillum lymph of stellate sensilla and appear to be colocalized in the same sensillum while preimmune serum shows no labeling at all. Dilution of the primary antibody was 1:1,000, and that of the secondary antibody was anti-rabbit IgG conjugated with 10 nm colloidal gold granules at a dilution of 1:20.
