UAS regulatory sequences drive expression of WASp sequences corresponding to the VCA module.
embryonic myoblast, with Scer\GAL4twi.PG
larval somatic muscle cell, with Scer\GAL4twi.PG
Expression of WASpWA.Scer\UAS in the developing mesoderm under the control of Scer\GAL4twi.PG results in a very weak myoblast fusion defect. Occasionally a few unfused myoblasts are visible.