axIs??? [nmy-2p::pgl-1::GFP::patr-1::nmy-2 3'UTR]. axIs1731 [pie-1p::mCherry::mex-5::pie-1 3'UTR + unc-119(+)]. Transgene is prone to silencing -- maintain at 25C. Reference: Gallo CM, et al. Science. 2010 Dec 17;330(6011):1685-9.