Search Strains

ljfSi33 [myo3p::egl-17::mNG::SL2::2x mKate2::PH::3xHA::tbb-2 3'UTR loxN] I. ljfSi10 [hlh-8p::2x mTurquoise2::PH::tbb-2 3'UTR loxN] II. egl-17(ljf14) was generated by replacing the endogenous egl-17 coding sequence with mNG::3xFlag. Sex myoblast migration defects, Egl. EGL-17::mNG expression in body wall muscles. mTurquoise2::PH plasma membrane marker that is expressed in the M lineage. ljfSi33 is a single copy transgene inserted at Chr I:2851088, near ttTi4348. ljfSi10 was inserted at Chr II:8420157-8420243, near ttTi5605, using Cas9-triggered homologous recombination. Reference: Gibney TV & Pani AM. Development. 2025 Aug 21:dev.204802. doi: 10.1242/dev.204802. PMID: 40838367.

ljfSi32 [egl-20 enhancer(-1261 – 610)::pes-10p::egl-17::mNG::SL2::2x mKate2::PH::3xHA::tbb-2 3'UTR loxN]) I. ljfSi10 [hlh-8p::2x mTurquoise2::PH::tbb-2 3'UTR loxN] II. Sex myoblast migration defects, Egl. EGL-17::mNG expression in a small number of posterior cells leads to posterior sex myoblast migration in hermaphrodites. egl-17(ljf14) was generated by replacing the endogenous egl-17 coding sequence with mNG::3xFlag. ljfSi32 is a single copy transgene inserted at Chr I:2851088, near ttTi4348. Reference: Gibney TV & Pani AM. Development. 2025 Aug 21:dev.204802. doi: 10.1242/dev.204802. PMID: 40838367.

ljfSi2 [hlh-8p::2x mKate2::D. melanogaster moesin actin-binding domain::SL2::2x mTurquoise2::PH::3xHA::tbb-2 3'UTR loxN] I. Single-copy transgenic strain that expressing mTurquoise2::PH plasma membrane marker and mKate2::moesin actin binding domain in the M lineage. lfjSi2 was inserted at Chr I:2851088, near ttTi4348, using Cas9-triggered homologous recombination. Reference: Gibney TV & Pani AM. Development. 2025 Aug 21:dev.204802. doi: 10.1242/dev.204802. PMID: 40838367.

ljfSi2 [hlh-8p::2x mKate2::D. melanogaster moesin actin-binding domain::SL2::2x mTurquoise2::PH::3xHA::tbb-2 3'UTR loxN] I. ljfSi39 [myo-3p::egl-15(5a)::SL2::2x mKate2::PH::3xHA::tbb-2 3' UTR lox511i] IV. mNeonGreen::3xFlag tag inserted at the C-terminus of the endogenous egl-17. EGL-15(5a) expression in body wall muscle cells captures free EGL-17, reducing long-range signaling and causing moderately penetrant sex myoblast migration defects. ljfSi2 is a single copy transgene inserted at Chr I:2851088 near ttTi4348 using Cas9-triggered homologous recombination. ljfSi39 is a single copy transgene inserted at Chr IV:4237723 using Cas9-triggered homologous recombination. Reference: Gibney TV & Pani AM. Development. 2025 Aug 21:dev.204802. doi: 10.1242/dev.204802. PMID: 40838367.

mKate2::3xMyc tag inserted at N-terminus of endogenous ifa-4 locus. Strong mKate2 signal at lumenal surface of excretory canal cell lumen along entire canal lengths. Insertion between bases 4515979 and 4515978 of Chom. X (Wormbase WS297 release). Reference: Al-Hashimi H, et al. Genetics. 2018 Oct;210(2):637-652. doi: 10.1534/genetics.118.301078. PMID: 29945901.

GFP::3xFlag tag inserted at N-terminus of endogenous ifc-2 locus. mKate2::3xMyc tag inserted at N-terminus of endogenous ifa-4 locus. Strong GFP signal forming meshwork at lumenal surface of excretory canal cell. Strong GFPand mKate2 signal at lumenal surface of excretory canal cell lumen along entire canal lengths. qpIs112 insertion made in parental strain BK531 qpIs111. Inserted between bases 4515979 and 4515978 of Chom. X (Wormbase WS297 release). Reference: Al-Hashimi H, et al. Genetics. 2018 Oct;210(2):637-652. doi: 10.1534/genetics.118.301078. PMID: 29945901.

mKate2::3xMyc tag inserted at N-terminus of endogenous ifa-4 locus. GFP::3xFlag tag inserted at N-terminus of endogenous exc-9 locus. GFP::3xFlag tag was inserted with repair of qp130 deletion in parental strain BK596. Strong mKate2 signal at lumenal surface of excretory canal cell lumen and along entire canal lengths. Canals labeled with GFP and 3xFlag. Derived by crossing parental strains BK583 x BK532 and selecting for canal cysts and both GFP and mKate fluorescence. Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.

mKate2::3xMyc tag inserted at N-terminus of endogenous exc-9 locus. Canals labeled with mKate2 and 3xMyc. Tag was inserted with repair of qp130 deletion in parental strain BK596. Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.

umnIs78 [myo-2p::mKate2 + NeoR, I: 12541645 (intergenic)] I. Superficially wild-type. Crossover suppressor for LGI right. Inversion includes unc-75 and unc-54. Derived by insertion of myo-2p::mKate2 transgene into hIn1 inversion in parental strain KR1949 using CRISPR/Cas9.

umnIs80 [myo-2p::mKate2 + NeoR, I: 6284001] I. Pick wild-type mKate2+ to maintain. Heterozygotes are wild-type mKate2+, and segregate wild-type mKate2+, DpyUnc, arrested hT1 homozygotes (mKate2+), and dead eggs. Maintain by picking wild-type mKate2+. Derived by insertion of myo-2p::mKate transgene into hT1 balancer in parental strain KR1037 using CRISPR/Cas9.

umnIs29 [myo-2p::mKate2 + NeoR, X: 6745526 (intergenic)] I. Heterozygotes are wild-type mKate2+, and segregate wild-type mKate2+, DpyUnc non-GFP, dead eggs and mKate2+ Lon males. Maintain by picking wild-type mKate2+. Derived by insertion of myo-2p::mKate2 transgene into szT1 balancer in parental strain AF1 using CRISPR/Cas9.

umnIs30 [myo-2p::mKate2 + NeoR, X: 6745526 (intergenic)] I. umnIs24 [myo-2p::GFP + NeoR, X: 15420938 (intergenic)] I. Carries szT1 balancer with mKate2 tag on left arm and GFP tag on right arm. Heterozygotes are wild-type GFP+ & mKate2+, and segregate wild-type GFP+ & mKate2+, DpyUnc non-GFP & non-mKate2, dead eggs and GFP+ & mKate2+ Lon males. Maintain by picking wild-type with GFP+ & mKate2+. Derived by insertion of myo-2p::mKate transgene into szT1 balancer in parental strain CGC35 using CRISPR/Cas9.

umnIs36 [myo-2p::mKate2 + NeoR, I: 6284001 (intergenic)] III. Homozygous-viable translocation marked with bli-4 and mKate2. Derived by insertion of myo-2p::mKate2 transgene into hT2 balancer in parental strain KR1234 using CRISPR/Cas9.

umnIs37 [myo-2p::mKate2 + NeoR, II: 11755713 (intergenic)] II. Hets are WT mKate2+ and segregate WT mKate2+, Unc-4 (no red fluorescence) and paralysed DpyUnc mKate2+ (mnC1). Maintain by picking WT mKate2+. Derived by insertion of myo-2p::mKate2 transgene into parental strain SP127 using CRISPR/Cas9.

umnIs39 [myo-2p::mKate2 + NeoR, X: 6745526 (intergenic)] I. umnIs40 [myo-2p::GFP + NeoR, I: 6284001 (intergenic)] X. Heterozygotes are wild-type GFP+ & mKate2+, and segregate wild-type GFP+ & mKate2+, DpyUnc non-GFP & non-mKate2, dead eggs, and GFP+ & mKate2+ Lon males. Maintain by picking wild-type with GFP+ & mKate2+. Derived by simultaneous insertion of independent myo-2p::mKate2 and myo-2p::GFP transgenes into each portion of the szT1 balancer in parental strain AF1 using CRISPR/Cas9.

umnIs41 [myo-2p::mKate2 + NeoR, III: 518034 (intergenic)] III. Dpy mKate2+. Derived by insertion of myo-2p::mKate2 transgene into parental strain BC4279 using CRISPR/Cas9.

umnIs42 [myo-2p::mKate2 + NeoR, I: 6284001 (intergenic)] III. Heterozygotes are WT mKate2+ and segregate WT mKate2+, DpyUnc, lethal mKate2+ hT2 homozygotes (arrest stage unknown) and dead eggs (aneuploids). Will throw an occasional mKate2+ Dpy non-Unc (similar events were observed in the parental hT2 strain). Pick WT mKate2+ and check for correct segregation of progeny to maintain. Derived by insertion of myo-2p::mKate2 transgene into hT2 balancer in parental strain KR2467 using CRISPR/Cas9. [NOTE: 3/1995: Apparently the lethal mutation is closely linked but not within the balanced region of hT2. It can occasionally recombine away so that the strain will segregate Bli-4 hT2 homozygotes. (Mark Edgley)]

umnIs43 [myo-2p::mKate2 + NeoR, II: 11755713 (intergenic)] II. Heterozygotes are wild-type mKate2+, and segregate wild-type mKate2, Unc-4 non-mKate2, and Dpy mKate2+ mIn1 homozygotes. Maintain by picking wild-type mKate2+ and check for correct segregation of progeny to maintain. Derived by insertion of myo-2p::mKate2 transgene into mIn1 balancer in parental strain DR1785 using CRISPR/Cas9.

umnIs44 [myo-2p::mKate2 + NeoR, II: 11755713 (intergenic)] II. Derived by insertion of myo-2p::mKate2 transgene into parental strain N2 using CRISPR/Cas9.

umnIs45 [myo-2p::mKate2 + NeoR, V: 1005689 (intergenic)] III. Derived by insertion of myo-2p::mKate2 transgene into eT1 balancer in parental strain CB873 using CRISPR/Cas9.

umnIs47 [myo-2p::mKate2 + NeoR, III: 9421936 (intergenic)] III. Derived by insertion of myo-2p::mKate2 transgene into parental strain N2 using CRISPR/Cas9.

umnIs46 [myo-2p::mKate2 + NeoR, III:9421936 (intergenic)] V. Heterozygotes are wild-type mKate+, and segregate wild-type mKate2+, Unc-36 mKate+ (eT1), dead eggs, and DpyUncs. Maintain by picking wild-type mKate2+. Derived by insertion of myo-2p::mKate2 transgene into eT1 balancer in parental strain BC2200 using CRISPR/Cas9.

umnIs48 [myo-2p::mKate2 + NeoR, V:1005689 (intergenic)] V. Derived by insertion of myo-2p::mKate2 transgene into parental strain N2 using CRISPR/Cas9.

umnIs49 [myo-2p::mKate2 + NeoR, V: 1005689 (intergenic)] IV. Heterozygotes are wild-type mKate2+, and segregate wild-type mKate2+, DpyUnc, Vul mKate2+ (nT1) and dead eggs. Maintain by picking wild-type mKate2+. Derived by insertion of myo-2p::mKate2 transgene into nT1 balancer in parental strain MT1000 using CRISPR/Cas9.

umnIs50 [myo-2p::mKate2 + NeoR, V: 1005689 (intergenic)]. Animals with the Dup are wild-type mKate2+; animals that have lost the Dup are Dpy Unc mKate2-. Maintain by picking wild-type mKate2+. Derived by insertion of myo-2p::mKate2 transgene into yDp1 duplication in parental strain TY156 using CRISPR/Cas9.

umnIs51 [myo-2p::mKate2 + NeoR, II: 11755713 (intergenic)] III. Heterozygotes are wild-type mKate2+, and segregate wild-type mKate2+, DpyUnc non-mKate2, sterile Dpy mKate2+ mT1 homozygotes, and large numbers of arrested aneuploid embryos. Maintain by picking wild-type mKate2+ and check for correct segregation of progeny to maintain. Derived by insertion of myo-2p::mKate2 transgene into mT1 balancer in parental strain DR1832 using CRISPR/Cas9.

umnIs52 [myo-2p::mKate2 + NeoR, III: 8856215 (intergenic)] II. Heterozygotes are wild-type mKate2+, and segregate wild-type mKate2+, DpyUnc non-mKate2, sterile Dpy mKate2+ mT1 homozygotes, and large numbers of arrested aneuploid embryos. Maintain by picking wild-type mKate2+ and check for correct segregation of progeny to maintain. Derived by insertion of myo-2p::mKate2 transgene into mT1 balancer in parental strain DR1832 using CRISPR/Cas9.

umnIs55 [myo-2p::mKate2 + NeoR, V:1005689 (intergenic)] III. Heterozygotes are wild-type mKate2+, and segregate wild-type mKate2+, Unc-36 mKate+(eT1), dead eggs, and DpyUncs. Maintain by picking wild-type mKate2+. Derived by insertion of myo-2p::mKate2 transgene into eT1 balancer in parental strain BC2200 using CRISPR/Cas9.

umnIs56 [myo-2p::mKate2 + NeoR, III: 9421936 (intergenic)] V. Derived by insertion of myo-2p::mKate2 transgene into eT1 balancer in parental strain CB873 using CRISPR/Cas9.

umnIs57 [myo-2p::mKate2 + NeoR, IV: 12457861 (intergenic)] V. Heterozygotes are wild-type mKate2+, and segregate wild-type mKate2+, DpyUnc, Vul mKate2+ (nT1) and dead eggs. Maintain by picking wild-type mKate2+. Derived by insertion of myo-2p::mKate2 transgene into nT1 balancer in parental strain MT1000 using CRISPR/Cas9.

umnIs58 [myo-2p::mKate2 + NeoR, V: 1005689 (intergenic)] V. Pick wild-type mKate2+ to maintain. Heterozygotes are wild-type mKate2+, and segregate wild-type mKate2+, DpyUnc, arrested hT1 homozygotes (mKate2+), and dead eggs. Maintain by picking wild-type mKate2+. Derived by insertion of myo-2p::mKate2 transgene into hT1 balancer in parental strain KR1037 using CRISPR/Cas9.

umnIs59 [myo-2p::mKate2 + NeoR, I:6284001(intergenic)] I. Derived by insertion of myo-2p::mKate2 transgene into parental strain N2 using CRISPR/Cas9.

umnIs60 [myo-2p::mKate2 + NeoR, III: 9421936 (intergenic)] I. Homozygous-viable translocation marked with bli-4 and mKate2. Derived by insertion of myo-2p::mKate2 transgene into hT2 balancer in parental strain KR1234 using CRISPR/Cas9.

umnIs61 [myo-2p::mKate2 + NeoR, X: 15420938 (intergenic)] I. Heterozygotes are wild-type mKate2+, and segregate wild-type mKate2+, DpyUnc non-mKate2, dead eggs and mKate2+ Lon males. Maintain by picking wild-type mKate2+. Derived by insertion of myo-2p::mKate2 transgene into szT1 balancer in parental strain AF1 using CRISPR/Cas9.

umnIs62 [myo-2p::mKate2 + NeoR, III:8856215 (intergenic)] III. Derived by insertion of myo-2p::mKate2 transgene into parental strain N2 using CRISPR/Cas9.

umnIs65 [myo-2p::mKate2 + NeoR, V:4308261 (intergenic)] V. Derived by insertion of myo-2p::mKate2 transgene into parental strain N2 using CRISPR/Cas9.

umnIs73 [myo-2p::mKate2 + NeoR, III: 9421936 (intergenic)] I. Heterozygotes are WT mKate2+ and segregate WT mKate2+, DpyUnc, lethal mKate2+ hT2 homozygotes (arrest stage unknown) and dead eggs (aneuploids). Will throw an occasional mKate+ Dpy non-Unc (similar events were observed in the parental hT2 strain). Pick WT mKate2+ and check for correct segregation of progeny to maintain. Derived by insertion of myo-2p::mKate2 transgene into hT2 balancer in parental strain KR2467 using CRISPR/Cas9. [NOTE: 3/1995: Apparently the lethal mutation is closely linked but not within the balanced region of hT2. It can occasionally recombine away so that the strain will segregate Bli-4 hT2 homozygotes. (Mark Edgley)]

umnIs74 [myo-2p::mKate2 + NeoR, X: 15420938 (intergenic)] X. Derived by insertion of myo-2p::mKate2 transgene into parental strain N2 using CRISPR/Cas9.

umnIs77 [myo-2p::mKate2 + NeoR, I: 6284001 (intergenic)] X. Heterozygotes are wild-type mKate2+, and segregate wild-type mKate2+, DpyUnc non-mKate2, dead eggs and mKate2+ Lon males. Maintain by picking wild-type mKate2+. Derived by insertion of myo-2p::mKate2 transgene into szT1 balancer in parental strain AF1 using CRISPR/Cas9.

ltSi953 [mec-18p::vhhGFP4::ZIF-1::operon-linker::mKate2::tbb-2 3'UTR + Cbr-unc-119(+)] II. GFP tag inserted into the C-terminus of the endogenous gip-2 locus using CRISPR-Cas9 engineering. Tissue-specific expression of GFP nanobody::ZIF-1 fusion promotes ubiquitylation and subsequent degradation of GFP-tagged gip-2 protein in touch receptor neurons. Touch receptor neurons are red labeled with mKate2. Reference: Development. 2017 Jul 15;144(14):2694-2701. PMID: 28619826.

ltSi953 [mec-18p::vhhGFP4::ZIF-1::operon-linker::mKate2::tbb-2 3'UTR + Cbr-unc-119(+)] II. GFP tag inserted into the C-terminus of the endogenous dhc-1 locus using CRISPR-Cas9 engineering. Tissue-specific expression of GFP nanobody::ZIF-1 fusion promotes ubiquitylation and subsequent degradation of GFP-tagged dhc-1 protein in touch receptor neurons. Touch receptor neurons are red labeled with mKate2. Reference: Development. 2017 Jul 15;144(14):2694-2701. PMID: 28619826.

bmdSi284 [loxN::rpl-28p::TIR1(F79G)::T2A::DHB::2xmKate2] I. bmdSi284 is a single copy CRISPR/Cas9 insertion that ubiquitously co-expresses the mutant version of TIR1 for improved auxin-inducible degradation via 5-Ph-IAA and a CDK activity sensor consisting of a fragment of human DNA helicase B (DHB) fused to two copies of mKate2. Reference: Martinez MAQ, et al. Biology Open. 2022 Dec 15;11(12):bio059668. doi: 10.1242/bio.059668.

bmdSi282 [^loxN^rgef-1p::mKate2-STOP-STOP-VHH4GFP::DAMc1]. Wild-type growth and movement. NanoDam toolkit will allows identification of direct genomic targets of TFs as well as chromatin modifiers. In this system, Dam methylase is fused with a binding reagent, an anti-GFP nanobody (vhhGFP4). Thus, genome-wide profiling can be achieved by combining cell type-specific Dam::vhhGFP4 fusion constructs with GFP knock-in alleles.

bmdSi245 [^SEC^lin-29p::mKate2-STOP-STOP-DAMc1::VHH4GFP] I. Relatively slow growth compared to N2 animals. NanoDam toolkit will allows identification of direct genomic targets of TFs as well as chromatin modifiers. In this system, Dam methylase is fused with a binding reagent, an anti-GFP nanobody (vhhGFP4). Thus, genome-wide profiling can be achieved by combining cell type-specific Dam::vhhGFP4 fusion constructs with GFP knock-in alleles.

bmdSi297 [loxN::rpl-28p::FRT3::STOP::FRT3::TIR1(F79G)::T2A::DHB::2xmKate2]; inserted into safe harbor site ttTi5605 in Chr II. Ubiquitous rpl-28 promoter driving expression of FRT3::STOP::FRT3::TIR1(F79G)::DHB construct dependent upon tissue-specific FLPase. High levels of TIR1(F79G) can be expressed in specific tissue or cell types via FLPase activity, allowing spatiotemporally-targeted degradation of AID-tagged proteins. Reference: Xiao Y, et al. An expandable FLP-ON::TIR1 system for precise spatiotemporal protein degradation in C. elegans. bioRxiv 2022.10.14.512315; doi: https://doi.org/10.1101/2022.10.14.512315

bmdSi243 (LoxN + cdh-3p::TIR1::F2A::DHB::2xmTurquoise2) I. bmdSi243 is a MosSCI insertion. mNG tag inserted into the C-temrinus of the endogenous unc-34 locus. mKate2 tag inserted into the C-temrinus of the endogenous lam-2 locus.

bmdSi346 [loxN::lin-31p::FLP]; inserted into safe harbor site ttTi4348 in Chr I. bmdSi297 [loxN::rpl-28p::FRT3::STOP::FRT3::TIR1(F79G)::T2A::DHB::2xmKate2]; inserted into safe harbor site ttTi5605 in Chr II. FLP-ON::TIR1 system for AID-tagged protein degradation in VPCs. High levels of TIR1(F79G) expression in vulval precursor cells by lin-31p::FLP with co-expression of CDK activity sensor. bmdSi297 contains the ubiquitous rpl-28 promoter driving expression of FRT3::STOP::FRT3::TIR1(F79G)::DHB construct dependent upon tissue-specific FLPase. High levels of TIR1(F79G) can be expressed in specific tissue or cell types via FLPase activity, allowing spatiotemporally-targeted degradation of AID-tagged proteins. Reference: Xiao Y, et al. An expandable FLP-ON::TIR1 system for precise spatiotemporal protein degradation in C. elegans. bioRxiv 2022.10.14.512315; doi: https://doi.org/10.1101/2022.10.14.512315

bmdSi348 [loxN::rgef-1p::FLP::P2A::H2B::2xmTurq2]; inserted into safe harbor site ttTi4348 in Chr I. bmdSi362 [loxN::rpl-28p::FRT3-LCK::mNG-STOP::FRT3::TIR1(F79G)::2A::PH::2xmKate2]; inserted into safe harbor site ttTi5605 in Chr II. FLP-ON::TIR1 system for AID-tagged protein degradation in neurons. High levels of TIR1(F79G) expression in neurons by rgef-1p::FLP with co-expression of membrane markers. bmdSi362 contains the ubiquitous rpl-28 promoter driving expression of FRT3-LCK::mNG-STOP::FRT3::TIR1(F79G)::2A::PH::2xmKate2 construct dependent upon tissue-specific FLPase. High levels of TIR1(F79G) can be expressed in specific tissue or cell types via FLPase activity, allowing spatiotemporally-targeted degradation of AID-tagged proteins. Reference: Xiao Y, et al. An expandable FLP-ON::TIR1 system for precise spatiotemporal protein degradation in C. elegans. bioRxiv 2022.10.14.512315; doi: https://doi.org/10.1101/2022.10.14.512315

bmdSi363 [^SEC^ser-2p::mKate2-STOP-STOP-DAMc1::VHH4GFP] I. Pick Rollers to maintain. Wild-type growth. NanoDam toolkit will allows identification of direct genomic targets of TFs as well as chromatin modifiers. In this system, Dam methylase is fused with a binding reagent, an anti-GFP nanobody (vhhGFP4). Thus, genome-wide profiling can be achieved by combining cell type-specific Dam::vhhGFP4 fusion constructs with GFP knock-in alleles.

bmdSi86 [LoxN::rps-27p::DHB::GFP::P2A::H2B::mKate2] I. bmdSi86 is a single-copy CRISPR/Cas9-engineered insertion of a codon-optimized CDK sensor (amino acids 994–1087 of human DNA Helicase B (DHB) fused to GFP) co-expressed with his-58 (H2B) fused to two copies of mKate2. Reference: Adikes RC, et al. "Visualizing the metazoan proliferation-terminal differentiation decision in vivo." bioRxiv 2019.12.18.881888