Both UASt and ms(3)K81 upstream regulatory sequences are fused upstream of the HipHop open reading frame (amplified from genomic DNA).
HipHopUAS.K81 is a non-suppressor of male sterile phenotype of ms(3)K81unspecified
Expression of HipHopms(3)K81.PG in the testis fails to suppress the sterility of ms(3)K81unspecified.