Search Strains

Animals with the duplication are WT. Animals which have lost the duplication are DpyUnc. Maintain by picking WT.

ustSi32 [tofu-6p::tofu-6::GFP::3xFlag::tofu-6 3'UTR + Cbr-unc-119(+)] II. Inserted into ttTi5605 of parental strain EG4322. Reference: Zeng C, et al. Cell Rep. 2019 Jun 18;27(12):3561-3572.e3. doi: 10.1016/j.celrep.2019.05.076. PMID: 31216475.

ustSi25 [wago-4p::3xFlag::GFP::wago-4::wago-4 3'UTR + Cbr-unc-119(+)] II. Inserted into ttTi5605 of parental strain EG4322. Reference: Xu F, et al. Cell rep. 2018 May 22;23(8):2482-2494. doi: 10.1016/j.celrep.2018.04.072. PMID: 29791857.

ustSi56 [tofu-6p::tofu-6::mCherry::tofu-6 3'UTR + Cbr-unc-119(+)] II. Inserted into oxTi444 of parental strain EG8080. Reference: Zeng C, et al. Cell Rep. 2019 Jun 18;27(12):3561-3572.e3. doi: 10.1016/j.celrep.2019.05.076. PMID: 31216475.

ustSi60 [pics-1p::pics-1::GFP::3xFlag::pics-1 3'UTR + Cbr-unc-119(+)] II. Inserted into ttTi5605 of parental strain EG4322. Reference: Zeng C, et al. Cell Rep. 2019 Jun 18;27(12):3561-3572.e3. doi: 10.1016/j.celrep.2019.05.076. PMID: 31216475.

ustSi64 [wago-3p::3xFlag::GFP::wago-3::wago-3 3'UTR + Cbr-unc-119(+)] II. Inserted into ttTi5605 of parental strain EG4322. Reference: Huang X, et al. 2024. Dev Cell. Compartmentalized localization of perinuclear proteins within germ granules in C. elegans.

ustSi106 [wago-1p::3xFlag::GFP::wago-1::wago-1 3'UTR + Cbr-unc-119(+)] II. Inserted into ttTi5605 of parental strain EG4322. Reference: Chen X, et al. Nat Commun. 2024 Jul 10;15(1):5799. doi: 10.1038/s41467-024-50027-3. PMID: 38987544.

ustSi55 [pid-1p::pid-1::GFP::3xFlag::pid-1 3'UTR + Cbr-unc-119(+)] II. Inserted into ttTi5605 of parental strain EG4322. Reference: Zeng C, et al. Cell Rep. 2019 Jun 18;27(12):3561-3572.e3. doi: 10.1016/j.celrep.2019.05.076. PMID: 31216475.

Heterozygotes are Unc and segregate Uncs, Sterile Uncs and dead eggs. Strain is sick and grows slowly. dxDf2 fails to complement unc-54, so it could delete the entire right arm of LG I.

stxEx39 [alx-1::TY1::eGFP::3xFLAG + Cbr-unc-119(+)]. Pick non-Unc to maintain. Constitutive expression of GFP. TY1::EGFP::3xFLAG tag inserted in frame at C-terminus of alx-1 coding sequence in fosmid WRM064D_F05 by recombineering (TransgeneOme bacterial clone 095794875301489 F02). Reference: Radetskaya O, et al. The PMK-3 (p38) Mitochondrial Retrograde Response Functions in Intestinal Cells to Extend Life via the ESCRT Machinery. bioRxiv 797308; doi: https://doi.org/10.1101/797308

stxEx48 [C01A2.4::TY1::eGFP::3xFLAG + Cbr-unc-119(+)]. Pick non-Unc to maintain. Constitutive expression of GFP. TY1::EGFP::3xFLAG tag inserted in frame at C-terminus of C01A2.4 coding sequence in fosmid WRM061C_F01 by recombineering (TransgeneOme bacterial clone 7225558184899882 D12). Reference: Radetskaya O, et al. The PMK-3 (p38) Mitochondrial Retrograde Response Functions in Intestinal Cells to Extend Life via the ESCRT Machinery. bioRxiv 797308; doi: https://doi.org/10.1101/797308

stxEx35 [istr-1::TY1::eGFP::3xFLAG + Cbr-unc-119(+)]. Pick non-Unc to maintain. Constitutive expression of GFP. TY1::EGFP::3xFLAG tag inserted in frame at C-terminus of istr-1 coding sequence in fosmid WRM0636D_F01 by recombineering (TransgeneOme bacterial clone 5438954842362824 D10). Reference: Radetskaya O, et al. The PMK-3 (p38) Mitochondrial Retrograde Response Functions in Intestinal Cells to Extend Life via the ESCRT Machinery. bioRxiv 797308; doi: https://doi.org/10.1101/797308

Heterozygotes are WT and segregate WT, dead eggs and UncVul.

Unc. Isolated from RW7097 and not outcrossed.

Wt strain throws WT and DpyUncs.

sraIs49 contains [nmr-1p::G-CaMP + unc-119(+)]. sraEx80 contains [sra-6p::chop-2(H134R)::mCherry + osm-10p::G-CaMP + unc-122p::mCherry]. Superficially wild-type. Maintain by picking red fluorescent worms.

sraIs49 contains [nmr-1p::G-CaMP + unc-119(+)]. sraEx83 contains [tdc-1p::chop-2(H134R)::mCherry + F55B11.3p::mCherry]. Superficially wild-type. Maintain by picking red fluorescent worms.

jrsls1 [cyp-13A7p::GFP + unc-119(+)]. CYP-13A7 is the homolog of human cytochrome P450 CYP3A4, which is the major inducible xenobiotic (more than 50% of the current drugs induce its expression which adversely affect the bioavailability and half-life of the drugs).

Animals with the Duplication are WT. Animals which have lost the Duplication are Unc. Throws males.

bnIs1 [pie-1::GFP::pgl-1 + unc-119(+)]. GFP is brightest at 25C and the strain should be grown at that temperature. Routinely pick bright GFP+ worms to maintain. Because the transgene can become silenced, you should check the worms for GFP expression and freeze as soon as possible.

iowSi8 [pie-1p::GFP1-10::him-3 3’UTR + Cbr-unc119(+)] II. Germline-specific split-GFP construct. If germline silencing occurs, transgene expression can be recovered by growing worms at 25C for 2 generations. iowSi8 was generated by MosSCI insertion into Chr II ttTi5605 in parental strain EG6699. Reference: Hefel A & Smolikove S. G3. 2019 Jun 5;9(6):1933-1943. PMID: 30992318.

akir-1(iow88[GFP11::akir-1]) I. iowSi8[pie-1p::GFP1-10::him-3 3UTR + Cbr-unc119(+)] II. CRISPR/Cas9 insertion of GFP11 tag into endogenous akir-1 locus in background strain SSM471. GFP::AKIR-1 fluorescence only observed in the germline. If germline silencing occurs, transgene expression can be recovered by growing worms at 25C for 2 generations. Reference: Hefel A & Smolikove S. G3. 2019 Jun 5;9(6):1933-1943. PMID: 30992318.

rpa-1(iow89[GFP11::rpa-1]) II. iowSi8 [pie-1p::GFP1-10::him-3 3’UTR + Cbr-unc119(+)] II. CRISPR/Cas9 insertion of GFP11 tag into endogenous rpa-1 locus in background strain SSM471. GFP::RPA-1 fluorescence only observed in the germline. If germline silencing occurs, transgene expression can be recovered by growing worms at 25C for 2 generations. Reference: Hefel A & Smolikove S. G3. 2019 Jun 5;9(6):1933-1943. PMID: 30992318.

syp-4(iow90[GFP11::syp-4]) I. iowSi8[pie-1p::GFP1-10::him-3 3UTR + Cbr-unc119(+)] II. CRISPR/Cas9 insertion of GFP11 tag into endogenous syp-4 locus in background strain SSM471. GFP::SYP-4 fluorescence only observed in the germline. If germline silencing occurs, transgene expression can be recovered by growing worms at 25C for 2 generations. Reference: Hefel A & Smolikove S. G3. 2019 Jun 5;9(6):1933-1943. PMID: 30992318.

ssrIs919 [daf-7p::flp-7::mCherry]. ssrIs615 [unc-122p::GFP]. Strain can be used for FLP-7 peptide secretion assays. Reference: Palamiuc L,. et al. Nat Commun. 2017 Jan 27:8:14237. doi: 10.1038/ncomms14237. PMID: 28128367.

ssrIs1240 [ges-1p(deltaB)::ins-7::mCherry]. ssrIs615 [unc-122p::GFP]. The INS-7::mCherry fusion protein localizes in GFP-labeled coelomocytes. ges-1p(deltaB) is an INT1-specific promoter. Reference: Liu CC, et al. Nat Commun. 2024 Aug 11;15(1):6869. doi: 10.1038/s41467-024-51077-3. PMID: 39127676.

hrtIs5 [gcy-5p::ebp-2::gfp + unc-119(+)] I. EBP-2::GFP expression in ASER. Reference: Harterink M, et al. J Cell Sci. 2018 Oct 22;131(20):jcs223107. PMID: 30254025.

hrtIs3 [des-2p::myr::GFP + unc-122p::DsRed]. hrtEx52 [des-2p::mKate::GS1(high) + unc-119(+) + myo-2p::tdTomato]. Pick tdTomato+ animals to maintain. Myristylated GFP marker for PVD. PVD development is quite strongly affected by high levels of actin-perturbing DeAct-GS1 expression in PVD and FLP. Phenotype is more severe than that of the low DeAct-GS1 expressing strain STR199, but weaker than that of the DeAct-SpvB expressing strain STR200. Reference: Harterink M, et al. J Cell Sci. 2018 Oct 22;131(20):jcs223107. PMID: 30254025.

wdIs51 [F49H12.4::GFP + unc-119(+)]; likely integrated in X. hrtEx53 [des-2p::mKate::GS1(low) + unc-119(+) + myo-2p::tdTomato]. Pick tdTomato+ animals to maintain. PVD development is somewhat affected by moderate levels of actin-perturbing DeAct-GS1 expression in PVD and FLP. Phenotype is less severe than that of the high DeAct-GS1 expressing strain STR198 and DeAct-SpvB expressing strain STR200. Reference: Harterink M, et al. J Cell Sci. 2018 Oct 22;131(20):jcs223107. PMID: 30254025.

hrtIs3 [des-2p::myr::GFP + unc-122p::DsRed]. hrtEx54 [des-2p::mKate::SpvB + unc-119(+) + lin-48p::tdTomato]. Pick animals with tdTomato expression in the tail to maintain. Myristylated GFP marker for PVD. PVD development is severely affected by low levels of actin-perturbing DeAct-SpvB expression in PVD and FLP. Phenotype is more severe than that of DeAct-GS1 expressing strains STR198 and STR199. Reference: Harterink M, et al. J Cell Sci. 2018 Oct 22;131(20):jcs223107. PMID: 30254025.

hrtSi27 [des-2p::CRE + unc-119(+)] II. hrtSi27 inserted into ttTi5605. CRE expression in PVD and FLP. Reference: Harterink M, et al. J Cell Sci. 2018 Oct 22;131(20):jcs223107. PMID: 30254025.

hrtSi28 [des-2p::mKate2::maph-1.1 + unc-119(+)] IV. hrtSi28 inserted into cxTi10882. Expression of mKate2::MAPH-1.1 microtubule marker in PVD and FLP. Reference: He L, et al. eLife 2020;9:e55111 doi: 10.7554/eLife.55111.

hrtSi1 [mec-17p::ebp-2::gfp + unc-119(+)] I. hrtSi1 inserted into ttTi4348. GFP marker for microtubules. Reference: Harterink M, et al. J Cell Sci. 2018 Oct 22;131(20):jcs223107. PMID: 30254025.

hrtSi41 [des-2p::unc-33L::GFP + unc-119(+)] I. hrtSi41 inserted into ttTi4348. UNC-33L::GFP expression in PVD and FLP. Functional UNC-33::GFP fusion with internal GFP tag inserted at the start of the S isoform. Reference: He L, et al. eLife 2020;9:e55111 doi: 10.7554/eLife.55111.

hrtSi57 [gcy-36p::gcy-35::mKate2 + unc-119(+)] II. hrtSi57 inserted into ttTi5605. mKate2 inserted into gcy-35 after S671 to generate a functional expression construct (Gross et al., 2014). Reference: Harterink M, et al. J Cell Sci. 2018 Oct 22;131(20):jcs223107. PMID: 30254025.

C-terminal GFP tag inserted into endogenous unc-119 locus. Reference: He L, et al. eLife 2020;9:e55111 doi: 10.7554/eLife.55111.

hrtSi69 [des-2p::GFP::unc-33s + unc-119(+)] I. hrtSi69 inserted into ttTi4348. GFP::UNC-33S expression in PVD and FLP. Reference: He L, et al. eLife 2020;9:e55111 doi: 10.7554/eLife.55111.

hrtEx161 [des-2p::PA-GFP::tba-1 + des-2p::mKate2 + unc-119(+) + myo-2p::mCherry]. Pick mCherry+ animals to maintain array. PA-GFP::TBA-1 expression in PVD and FLP; fluorescence can be induced illumination by blue light. Reference: He L, et al. eLife 2020;9:e55111 doi: 10.7554/eLife.55111.

hrtIs3 [des-2p::myr::GFP + unc-122p::DsRed]. Myristylated GFP marker for PVD. Reference: Harterink M, et al. J Cell Sci. 2018 Oct 22;131(20):jcs223107. PMID: 30254025.

hrtSi4 [gcy-36p::ebp-2::gfp + unc-119(+)] I. hrtSi4 inserted into ttTi4348. EBP-2::GFP expression in PQR, URX and AQR. Reference: Harterink M, et al. J Cell Sci. 2018 Oct 22;131(20):jcs223107. PMID: 30254025.

hrtSi5 [des-2p::ebp-2::GFP + unc-119(+)] I. hrtSi5 inserted into ttTi4348. EBP-2::GFP expression in PVD and FLP. Reference: Harterink M, et al. J Cell Sci. 2018 Oct 22;131(20):jcs223107. PMID: 30254025.

hrtSi9 [ceh-10p::ebp-2::gfp + unc-119(+)] I. hrtSi9 inserted into ttTi4348. EBP-2::GFP expression in CAN. Reference: Harterink M, et al. J Cell Sci. 2018 Oct 22;131(20):jcs223107. PMID: 30254025.

wrdSi23 [eft-3p::TIR1::F2A::mTagBFP2::AID*::NLS::tbb-2 3'UTR] (I:-5.32). rubSi6 [eft-3p::scFv(glo)::GFP(smu-1 introns)::tbb-2 3’UTR] II. rubSi8 [eft-3p::24xGCN4::AID::T2A::tagBFP::H2B::tbb-2 3’UTR *rubSi7]) IV. ltIs44 [pie-1p::mCherry::PH(PLC1delta1) + unc-119(+)] V. SunTag system allows visualization of translation throughout development in real-time. In the absence of translation, GFP signal can be observed in the cytoplasm, nuclei and at epithelial apical membranes. At translation sites of the SunTag reporter, bright clustering of the GFP signal can be observed. Mature GCN4 proteins can be observed as dimmer GFP clusters in the absence of auxin, but not in the presence of auxin. Bright BFP signal from mTagBFP2::AID*::NLS and TagBFP::H2B can be visible in nuclei in the absence of auxin, in the presence of auxin only dimmer TagBFP::H2B is visible in nuclei. mCherry::PH marks the cell membranes throughout development. rubSi6 was inserted into ttTi5605 and also includes a partial duplication of the transgene (a portion of GFP with smu-1 introns and tbb-2 3’UTR) downstream of the tbb-2 3’UTR in the intact transgene. rubSi8 derived by modification of insertion of an AID tag into rubSi7, which is located in cxTi10816. Reference: van der Salm E, et al. Development. 2025 May 15;152(10):dev204435. doi: 10.1242/dev.204435. PMID: 40260543.

heSi45 [mcm-4::mCherry + unc-119(+)] IV. This strain contains an S-phase marker that will express mCherry in all cells that undergo cell division, providing a useful alternative to BrdU and EdU staining that is suitable for live imaging. References: Korzelius J, et al. Dev Biol. 2011 Feb 15;350(2):358-69. Korzelius J, et al. PLoS Genet. 2011 Nov;7(11):e1002362.

heIs105 [rps-27::loxP::NLS::mCherry::let858 UTR::loxP::NLS::GFP::let-858 UTR + unc-119(+)] IV. Strain is viable at 15-25 C. heIs105 carries a read-out construct which allows the visualization of the CRE lox mediated recombination by a switch from red to green. Reference: Ruijtenberg S & van den Heuvel S. Cell. 2015 Jul 16;162(2):300-13.

heSi141 [hlh-8(short)::FLAG::CRE::tbb-2 + unc-119(+)] X. Strain is viable at 15-25 C, but non-tissue specific recombination is observed more frequently in other tissues at higher temperatures (25C). Expression of CRE recombinase in the mesoblast lineage driven by the hlh-8 promoter. Reference: Ruijtenberg S & van den Heuvel S. Cell. 2015 Jul 16;162(2):300-13.

heSi142 [elt-2::FLAG::CRE::tbb-2 + unc-119(+)] X. Expression of CRE recombinase in the intestine driven by the elt-2 promoter. Strain is viable at 15-25 C, but non-tissue specific recombination is observed more frequently in other tissues at higher temperatures (25C). Reference: Ruijtenberg S & van den Heuvel S. Cell. 2015 Jul 16;162(2):300-13.

heIs105 [rps-27::loxP::NLS::mCherry::let858 UTR::loxP::NLS::GFP::let-858 UTR + unc-119(+)] IV. heSi141 [hlh-8(short)::FLAG::CRE::tbb-2 + unc-119(+)] X. Maintain at 15-25C. Expression of CRE recombinase in the mesoblast lineage driven by the hlh-8 promoter. heIs105 carries a read-out construct which allows the visualization of the CRE lox mediated recombination in the mesoblast lineage by a switch from red to green. This read-out construct is silenced in the germline. Reference: Ruijtenberg S & van den Heuvel S. Cell. 2015 Jul 16;162(2):300-13.

heSi 143 [rps-27::loxP::mCherry::let-858::fzr-1p::fzr-1::fzr-1 UTR::loxP::GFP::let-858 UTR + unc-119(+)] IV. heSi141 [hlh-8(short)::FLAG::CRE::tbb-2 + unc-119(+)] X. Maintain at 15-25C. Expression of CRE recombinase in the mesoblast lineage driven by the hlh-8 promoter. heSi143 rescues fzr-1(ku298). fzr-1 will be excised upon mesoblast-specific expression of CRE, creating a mesoblast specific mutant of fzr-1. This recombination event can be visualized by a switch from red to green in those cells (the mesoblast) were fzr-1 is lost. Reference: Ruijtenberg S & van den Heuvel S. Cell. 2015 Jul 16;162(2):300-13.

heIs145 [rps-27::loxP::NLS::mCherry::let858 UTR::eft-3::tagBFP::tbb-2 UTR::loxP::NLS::GFP::let-858 UTR + unc-119(+)] IV. Maintain at 15-25C. heIs145 expresses a read-out construct used to visualize CRE activity and specificity, and to test whether CRE expression is likely to induce loss of a gene of interest (tagBFP in this case) in a given tissue. Expression of CRE will result in a change from mCherry to GFP and loss of tagBFP expression in those cells where CRE is active. Reference: Ruijtenberg S & van den Heuvel S. Cell. 2015 Jul 16;162(2):300-13.