UASp regulatory sequences drive expression of full-length mei-P26.
spermatocyte cyst, with Scer\GAL4VP16.bam
Expression of mei-P26Scer\UAS.P\T.cNa under the control of Scer\GAL4bam.T:Hsim\VP16 in males results in 23% of spermatocyte cysts having less than 16 cells.