UASt regulatory sequences drive expression of phm.
phtmUAS.cNa/Scer\GAL4phtm.PO is a suppressor of increased mortality during development phenotype of Scer\GAL4phtm.PO, salrJF03226
phtmUAS.cNa/Scer\GAL4Act5C.PI rescues phtmE7
Completely rescues the lethality of phmE7/Y animals.