Df(3L)AJ14/Df(3L)AJ14,armi+t6,CG14971+t4.2 mutant adults ('CycJ[&Grd;]' flies) display normal midgut epithelium thinning upon infection with Serratia marcescens but in contrast to wild-type the epithelium fails to recover and the flies have reduced infection survival rate.
Homozygous Df(3L)AJ14 progeny from heterozygous parents eclose as adults.
An 11kb deletion