Search Strains

GFP tag inserted into endgonenous lgl-1 locus. LGL-1::GFP expressed throughout the worm at all developmental stages. Reference: Rodrigues NTL, et al. Development. 2022 Jul 15;149(14):dev200545. PMID: 35713287

GFP tag inserted into endgonenous par-2 locus in an analogue-sensitive background. pkc-3(crk77[I331A,T394A]) is a CRISPR-engineered analog-sensitive allele containing both I331A (gatekeeper site) and T394A (suppressor site) mutations, allowing rapid and reversible chemical inhibition of PKC-3 activity. Reference: Ng K, et al. (2022). An analog sensitive allele permits rapid and reversible chemical inhibition of PKC-3 activity in C. elegans. Reference: Ng K, et al. microPublication Biology. 10.17912/micropub.biology.000610

ynIs30 [flp-4p::GFP]. NOTE: Array seems prone to silencing. Check for GFP and pick GFP+ to maintain.

ynIs37 [flp-13p::GFP].

ynIs40 [flp-11p::GFP].

ynIs45 [flp-15p::GFP].

ynIs49 [flp-5p::GFP].

ynIs54 [flp-20p::GFP]. Him.

ynIs57 [flp-2p::GFP].

ynIs64 [flp-17p::GFP].

ynIs66 [flp-7p::GFP].

ynIs67 [flp-6p::GFP].

ynIs72 [flp-1p::GFP].

ynIs78 [flp-8p::GFP].

ynIs80 [flp-21p::GFP].

ynIs87 [flp-21p::GFP].

ynIs97 [flp-1p::GFP].

ynIs59 [flp-18p::GFP].

GFP tag inserted at C-terminus of endogenous sqv-5 locus. Reference: Wu J, et al. Nat Neurosci. 2025 Jun 18. doi: 10.1038/s41593-025-01989-0. PMID: 40533573.

yadIs272 [mig-22p::mig-22::GFP + unc-122p::GFP]. mig-22::GFP expression driven by its own promoter. Reference: Wu J, et al. Nat Neurosci. 2025 Jun 18. doi: 10.1038/s41593-025-01989-0. PMID: 40533573.

Homozygous sterile mutation balanced by bli-4- and GFP-marked translocation. Heterozygotes are WT with pharyngeal GFP signal, and segregate WT GFP, arrested hT2 aneuploids, and non-GFP tm1598 homozygotes (produce ~100% dead eggs, slightly higher penetrance at 25C). Homozygous hT2[bli-4 let-? qIs48] inviable. Pick WT GFP and check for correct segregation of progeny to maintain. Reference: Peters N, et al., J Cell Sci. 2010 Mar 1;123(Pt 5):795-805.

bsIs2 [pie-1::GFP::spd-2 + unc-119(+)]. ruIs32 [pie-1p::GFP::H2B + unc-119(+)] III. Wild type animals express GFP marked DNA (GFP-H2b) and centrosomes (GFP-SPD-2) in germ line and embyros. Maintain at 24C to obtain optimal GFP expression.

Heterzygotes are wildtype and GFP+. lpin-1(ok2761) homozygotes die as L1 larvae. Homozygous nT1[qIs51] inviable.

jjIs1092 [(pNUT1) npp-1::GFP + unc-119(+)]. ltIs37 [pie-1p::mCherry::his-58 + unc-119(+)] IV. Heterozygotes are wildtype with GFP+ and mCherry+. lpin-1(ok2761) homozygotes die as L1 larvae. Also segregates Unc Rol.

jjIs1092 [(pNUT1) npp-1::GFP + unc-119(+)]. ltIs37 [pie-1p::mCherry::his-58 + unc-119(+)] IV. Non-Unc.

ltIs1[pIC22; pie-1 promoter::knl-3::GFP + unc-119(+)].

ltIs6 [pIC35; pie-1p::kbp-5::GFP-TEV-STag + unc-119(+)].

ltIs7 [(pIC41) pie-1p::kbp-4::GFP::TEV-STag + unc-119(+)]. [NOTE: Array might be prone to silencing; rescue of unc-119 appears incomplete.]

ltIs9 [pie-1p::kbp-3::GFP::TEV-S Tag + unc-119(+)].

ltIs37 [pie-1p::mCherry::his-58 + unc-119(+)] IV. qaIs3546 [pie-1p::GFP::npp-8 + unc-119(+)]; npp-8 is CeNup155.

ltIs78 [(pKO5) pie-1::GFP::TEV::Stag::air-1 spliced coding + unc-119(+)].

ltIs103 [(pAA212) pie-1p::GFPLAP::cav-1 + unc-119(+)].

ltIs104 [(pAA277) pie-1p::GFP::LAP::vps-37 + unc-119(+)].

ltIs105 [(pAA280) pie-1p::GFP::LAP::MVB-12 + unc-119(+)].

ltIs79 [(pAA196) pie-1p::mCherry::rab-5 + unc-119(+)]. pwIs116 [rme-2p::rme-2::GFP::rme-2 3'UTR + unc-119(+)]. Maintain at 20-25C to reduce silencing of the array.

CRISPR/Cas9 engineered deletion of mdf-2 in which the mdf-2 coding sequence was replaced by unc-119. Heterozygotes are wild-type GFP+ and segregate mdf-2 null homozygotes (low brood size/embryonic lethal), wild-type GFP+ heterozygotes, and arrested nT1[qIs51] aneuploids. Pick wild-type GFP+ and check for correct segregation of progeny to maintain. Unknown if unc-119(ed3) from parental strain is still carried in the background. gRNA sequence: Gccaaattccccagttttag Reference: Lara-Gonzalez P, et al. Dev Cell. 2019 Nov 4;51(3):313-325.e10. doi: 10.1016/j.devcel.2019.09.005. PMID: 31588029.

ltSi569 [CEOP3608 tbg-1::mCherry + Cbr-unc-119(+)] inserted into oxTi185 [ttTi5605 + NeoR(+) + unc-18(+)] I. ltSi592 [spd-2p::gfp::spd-5(S653A S658A, re-encoded) + Cbr-unc-119(+)] II. Small centrosomes. mCherry-labeled gamma tubulin. GFP-labeled centrioles. Derived by crossing parental strains OD1801 with OD1709. Reference: Woodruff JB, et al. Science. 2015 May 15;348(6236):808-12. doi: 10.1126/science.aaa3923. PMID: 25977552

CRISPR/Cas9 engineered deletion of fzy-1 in which the fzy-1 coding sequence was replaced by LoxP. Homozygous lethal deletion chromosome balanced by GFP- and dpy-10-marked inversion. Heterozygotes are wild-type with relatively dim pharyngeal GFP signal, and segregate wild-type dim GFP (heterozygotes), Dpy bright GFP (mIn1 homozygotes), and non-GFP fzy-1 homozygotes (larval arrest). Pick wild-type with dim GFP and check for correct segregation of progeny to maintain. gRNA sequence: Ggacgcacgcccggtagtgc Reference: Kim T, et al. Genes Dev. 2017 Jun 1;31(11):1089-1094. doi: 10.1101/gad.302067.117. PMID: 28698300.

ltSi249 [dlg-1p(delta)7::dlg-1::GFP::unc-54 3'UTR Cbr-unc-119(+)] I. ltSi511 [cnd-1p::mCherry::PH::unc-54 3'UTR Cbr-unc-119(+)] II. During embryogenesis epidermal cell junctions fluoresce green and neuronal cell surface fluoresces red. Reference: Wang S, et al. Development. 2019 Apr 11;146(7):dev174029. doi: 10.1242/dev.174029. PMID: 30890570.

GFP inserted at the C terminus of plk-1 followed by LoxP generated by Cre-mediated excision of unc-119(+) cassette. Reference: Martino L. et al. Dev Cell. 2017 Oct. 23; 43(2):157-171.

ltSi569 [CEOP3608 tbg-1::mCherry + Cbr-unc-119(+)] inserted into oxTi185 [ttTi5605 + NeoR(+) + unc-18(+)] I. ltSi1141 [spd-2p::gfp::spd-5(re-encoded) + Cbr-unc-119(+)] II. Re-encoded spd-5 is siRNA-resistant. mCherry-labeled gamma tubulin. GFP-labeled centrioles. Reference: Woodruff JB, et al. Science. 2015 May 15;348(6236):808-12. doi: 10.1126/science.aaa3923. PMID: 25977552

ltSi794 [dpy-7p::vhhGFP4::zif-1::unc-54 3'UTR + Cbr-unc-119(+)] II. Hypodermal-specific anti-GFP nanobody fused to ZIF-1 (Mediated by recruited ZIF-1 but NOT requiring ZF1 tags) mediates hypodermis-specific degradation of GFP-tagged proteins. Can be combined with endogenous locus GFP-tagging or rescue of a null mutant with a GFP fusion to examine hypodermis-specific functions of target genes. Reference: Wang S, et al. Elife. 2015 Sep 15;4:e08649. Wang S, et al. http://biorxiv.org/content/early/2017/01/30/104398

ltSi814 [fzy-1p::GFP::fzy-1::fzy-1 3'UTR + Cbr-unc-119(+)] I. FZY-1::GFP reporter using its own promoter and UTR. Single-copy transgene insertion in Chromosome I using MosSCI. Reference: Kim T, et al. Genes Dev. 2017 Jun 1;31(11):1089-1094. doi: 10.1101/gad.302067.117. PMID: 28698300.

ltIs14 [(pASM05) pie-1p::GFP-TEV-STag::air-2 + unc-119(+)].

ltSi910 [elt-2p::vhhGFP4::zif-1::operon-linker::mCherry::his-11::tbb-2 3'UTR + Cbr-unc-119(+)] II. Intestinal-specific expression of anti-GFP nanobody fused to ZIF-1 mediates intestine-specific degradation of GFP-tagged proteins (mediated by recruited ZIF-1 but NOT requiring ZF1 tags). Can be combined with endogenous locus GFP-tagging or rescue of a null mutant with a GFP fusion to examine intestine-specific functions of target genes. Reference: Wang S, et al. Development. 2017 Jun 15. pii: dev.150094. doi: 10.1242/dev.150094.

ltSi912 [myo-3p::vhhGFP4::zif-1::operon-linker::mCherry::his-11::tbb-2 3'UTR + Cbr-unc-119(+)] II. Muscle-specific expression of anti-GFP nanobody fused to ZIF-1 mediates body wall muscle-specific degradation of GFP-tagged proteins (through recruited ZIF-1 but NOT requiring ZF1 tags). Can be combined with endogenous locus GFP-tagging or rescue of a null mutant with a GFP fusion to examine body wall muscle-specific functions of target genes. Reference: Wang S, et al. Development. 2017 Jun 15. pii: dev.150094. doi: 10.1242/dev.150094.

ltSi914 [osm-6p::vhhGFP4::zif-1::operon-linker::mCherry::his-11::tbb-2 3'UTR + Cbr-unc-119(+)] II. Sensory neuron-specific expression of anti-GFP nanobody fused to ZIF-1 mediates sensory neuron-specific degradation of GFP-tagged proteins (through recruited ZIF-1 but NOT requiring ZF1 tags). Can be combined with endogenous locus GFP-tagging or rescue of a null mutant with a GFP fusion to examine sensory neuron-specific functions of target genes. Reference: Wang S, et al.  Development. 2017 Jun 15. pii: dev.150094. doi: 10.1242/dev.150094.

ltSi915 [osm-6p::zif-1::operon-linker::mCherry::histone::tbb-2 3'UTR + Cbr-unc-119(+)] II. This strain provides a sensory neuron-specific source of ZIF-1 alone and serves as a control strain for OD2772, which mediates ciliated sensory neuron-specific degradation of GFP-tagged proteins. It can also be used as source of sensory-specific ZIF-1 for other applications. Superficially wild type. Reference: Wang S, et al. Development. 2017 Jun 15. pii: dev.150094. doi: 10.1242/dev.150094.

GFP tag inserted at 5' end of endogenous san-1 locus using CRISPR/Cas9 engineering. gRNA sequence: taaaataatatgtataaac

ltSi953 [mec-18p::vhhGFP4::zif-1::operon-linker::mKate::tbb-2 3'UTR + Cbr-unc-119(+)] II. Touch response neuron (TRN)-specific expression of anti-GFP nanobody fused to ZIF-1 mediates TRN-specific degradation of GFP-tagged proteins (through recruited ZIF-1 but NOT requiring ZF1 tags). Can be combined with endogenous locus GFP-tagging or rescue of a null mutant with a GFP fusion to examine TRN neuron-specific functions of target genes. Reference: Wang S, et al. http://biorxiv.org/content/early/2017/01/30/104398