UASt regulatory sequences drive expression of Iswi which is tagged with Tag:TAP.
IswiUAS.Tag:TAP rescues Iswi2/Iswi1
Expression of IswiScer\UAS.T:Zzzz\TAP under the control of Scer\GAL4Act5C.PU rescues the lethality of Iswi1/Iswi2 animals.