An αTub84B promoter drives expression of pho tagged at the N-terminal end with a 700bp HindIII fragment encoding the DNA-binding domain of Ecol\lexA.
wild-type
pholexA.αTub84B rescues pho1
Rescues the pupal lethality of pho1 homozygotes and the maternal sterility of homozygous pho1 flies.