Construct: A ro promoter drives expression of the Mmus\Usp9x "Fam-" isoform.
Mmus\Usp9x-.ro is a suppressor of visible phenotype of fafFO8/fafBX4
Mmus\Usp9x-.ro is a suppressor of ommatidium phenotype of fafFO8/fafBX4
Mmus\Usp9x-.ro rescues nearly completely the eye phenotype of fafBX4/fafFO8 flies.