Expression of kirreΔ586-959.Scer\UAS.T:Zzzz\FLAG under the control of Scer\GAL4how-24B does not have dominant negative effects.
Scer\GAL4how-24B/kirreΔ586-959.UAS.Tag:FLAG fails to rescue Df(1)w67k30
kirreΔ586-959.UAS.Tag:FLAG/Scer\GAL4wg.PM fails to rescue Df(1)w67k30
Expression of kirreΔ586-959.Scer\UAS.T:Zzzz\FLAG under the control of Scer\GAL4how-24B or Scer\GAL4wg.PM does not restore the ability of myoblast founders to attract fusion-competent myoblasts in Df(1)w67k30 mutant embryos and myoblast fusion remains completely disrupted.