dvIs19 [gst-4p::GFP::NLS] III. rexEx12 [hsp-16p::tom70::mCherry::halo + mec-7p::mRFP]. Pick RFP+ worms to maintain. Constitutive red fluorescence in touch-receptor neurons. Heat shock induces expression of mCherry::Halo protein. Oxidative stress induces expression of GFP.