We employed an anti-Drosophila Orco antibody to detect Orco protein expression in antennae and sperm by immunofluorescence. Orco is expressed in the antennae, and localized in a cluster of cells that most most likely signify olfactory receptor neurons (ORN) (Fig. 3A)
The phylogenetic tree demonstrated in determine 1C is in concurrence with the results of...