uthSi10 [col-19p::LifeAct::mRuby::unc-54 3'UTR + Cbr-unc-119(+)] IV. Integrated into cxTi10816. Single-copy insertion of LifeAct::mRuby labels F-actin in hypodermis beginning at late L4 stage. Out-crossed to N2. Reference: Higuchi-Sanabria R, et al. Mol Biol Cell. 2018 Oct 15;29(21):2522-2527. doi: 10.1091/mbc.E18-06-0362. PMID: 30133343