UASt regulatory sequences drive expression of a 1B "long" tail-1 splice variant of svr.
svr1B-2-3-t1.UAS/Scer\GAL4svr-PG33 rescues svrPG33
Expression of svr1B-2-3-t1.Scer\UAS driven by Scer\GAL4svr-PG33 rescues the lethality associated with svrPG33/Y hemizygosity.