otEx5141 [hsp::tbx-37 + hsp::tbx-38 + elt-2p::DsRed]. Maintain by picking animals with dsRed in intestinal nuclei. Transcription factors TBX-37 and TBX-38 are ectopically expressed under control of a heat shock-inducible promoter. otIs235 [che-1p::mCherry + rol-6(su1006)]. otIs252 [lsy-6(+)(fosmid)::YFP + rol-6(su1006)]. Rollers. YFP expression in ASEL.