btl>Ras attP-L7: w[*]; UAS-p35; (P{UAS-Ras85D.V12}/btl-GAL4
btl-Gal4 driving UAS-RasV12 and UAS-p35 (baculovirus anti-apoptotic factor p35) with an attP flanked cassette for RMCE, line 7. btl is expressed in the tracheal lineage. Polyclonal cell line with cells positive for epithelial cadherin (DE-Cad/Shotgun). Rare cells express the neuronal markers HRP and 22C10 and the mesodermal marker Twist.