vtIs1 [dat-1p::GFP + rol-6(su1006)] V. Strain does not roll obviously. gt1981 is a point mutation in a highly conserved residue. Hypersensitive to oxidative stress: Increased dopaminergic neurodegeneration after 6-OHDA exposure and increased developmental delay after exposure to rotenone and paraquat. Reference: Offenburger SL, et al. https://www.biorxiv.org/content/early/2017/10/13/203067.