Expressing vvldsRNA.UAS under the control of Scer\GAL4da.G32 in a vvldfr-B129 heterozygous background results in melanized spots in the cuticle, Malpighian tubules and gastric caecum, and abnormal morphology of the fat body in third instar larvae. Expressing vvldsRNA.UAS under the control of Scer\GAL4c729 in a vvldfr-B129 heterozygous background results in melanized tissues and death prior to eclosion.
In vvldsRNA.Scer\UAS, vvldfr-B129/+ embryos with Scer\GAL4Lim3.B or Scer\GAL4ftz.ng, ISNb motor axons leave the ventral muscle field and contact or target the transverse nerve (TN) fascicle. There is also an overall decrease in muscle innervation by ISNb motor axons in these embryos.