UASt regulatory sequences drive expression of mutant form of garz (containing the amino acid replacement E740K) which is tagged at the N-terminal end with EGFP.
tracheal lumen, with Scer\GAL4btl.PS
Expression of garzE740K.Scer\UAS.T:Avic\GFP-EGFP under the control of Scer\GAL4btl.PS results in strong defects in tracheal lumen dilation in embryos.