dvIs19 [gst-4p::GFP::NLS] III. rexEx13 [hsp-16p::HA::wdr-23::halo + mec-7p::mRFP]. Pick RFP+ worms to maintain. Constitutive red fluorescence in touch-receptor neurons. Heat shock induces expression of HA::WDR23::Halo protein. Oxidative stress induces expression of GFP.