The second and fourth aromatic residues in a single Tudor-domain (D11) are changed to alanines.
Expression of tudD11.nos.T:Ivir\HA1 fails to rescue the germ cell formation defects in tud1/Df(2R)PurP133a embryos.
tudD11.nanos.Tag:HA fails to rescue Df(2R)PurP133a/tud1
Expression of tudD11.nos.T:Ivir\HA1 fails to rescue the germ cell formation defects in tud1/Df(2R)PurP133a embryos.