Search Strains

neIs22 [wago-1::GFP + unc-119(+)]. Maintain at 24 C to avoid silencing of GFP expression. Reference: Gu, et al. 2009 Mol Cell 36:234-44.

neSi12 [cdk-1::GFP + Cbr-unc-119(+)] II. Reference: Shirayama M, et al. Cell. 2012 Jul 6;150(1):65-77.

neSi14 [FLAG::prg-1 + Cbr-unc-119(+)] II. MosSCI insertion into ttTi5605 (LG II). Reference: Lee HC, et al. Cell. 2012 Jul 6;150(1):78-87.

neSi15 [FLAG::prg-1(D583A) + Cbr-unc-119(+)] II. MosSCI insertion into ttTi5605 (LG II). Reference: Lee HC, et al. Cell. 2012 Jul 6;150(1):78-87.

sprSi1 [pie-1p::GFP::histone-H2B::nos-2(MRE mut) 3'UTR + Cbr-unc-119(+)] II. Nuclear GFP fluorescence in germline progenitor cells in early embryos. Reference: Pagano JM, et al. Proc Natl Acad Sci U S A. 2009 Dec 1;106(48):20252-7.

sprSi10 [mex-5p::MODC PEST::GFP::H2B::atg-4.2 3'UTR + Cbr-unc-119(+)] II. Reference: Kaymak et al., Dev Dyn. 2016 Sep;245(9):925-36.

sprSi11 [mex-5p::MODC PEST::GFP::H2B::cul-4 3'UTR + Cbr-unc-119(+)] II. Reference: Kaymak et al., Dev Dyn. 2016 Sep;245(9):925-36.

sprSi13 [mex-5p::MODC PEST::GFP::H2B::ets-4 3'UTR + Cbr-unc-119(+)] II. Reference: Kaymak et al., Dev Dyn. 2016 Sep;245(9):925-36.

sprSi14 [mex-5p::MODC PEST::GFP::H2B::hbl-1 3'UTR + Cbr-unc-119(+)] II. Reference: Kaymak et al., Dev Dyn. 2016 Sep;245(9):925-36.

sprSi15 [mex-5p::MODC PEST::GFP::H2B::lin-26 3'UTR + Cbr-unc-119(+)] II. Reference: Kaymak et al., Dev Dyn. 2016 Sep;245(9):925-36.

sprSi2 [pie-1p::GFP::histone-H2B::nos-2 3'UTR + Cbr-unc-119(+)] II. Fluorescence in all cells of early embryo. This fluorescence reporter has mutations in both MEX-3 binding sites and shows ectopic expression relative to strain WRM1. Reference: Pagano JM, et al. Proc Natl Acad Sci U S A. 2009 Dec 1;106(48):20252-7.

sprSi16 [mex-5p::MODC PEST::GFP::H2B::mbk-2 3'UTR + Cbr-unc-119(+)] II. Reference: Kaymak et al., Dev Dyn. 2016 Sep;245(9):925-36.

sprSi17 [mex-5p::MODC PEST::GFP::H2B::mex-3 3'UTR + Cbr-unc-119(+)] II. Reference: Kaymak et al., Dev Dyn. 2016 Sep;245(9):925-36.

sprSi19 [mex-5p::MODC PEST::GFP::H2B::set-6 3'UTR + Cbr-unc-119(+)] II. Reference: Kaymak et al., Dev Dyn. 2016 Sep;245(9):925-36.

sprSi3 [mex-5p::GFP::histone-H2B::glp-1 3'UTR + Cbr-unc-119(+)] II. Fluorescence in the distal germline and in early embryos. Reference: Pagano JM, et al. Proc Natl Acad Sci U S A. 2009 Dec 1;106(48):20252-7.

sprSi20 [mex-5p::MODC PEST::GFP::H2B::usp-14 3'UTR + Cbr-unc-119(+)] II. Reference: Kaymak et al., Dev Dyn. 2016 Sep;245(9):925-36.

sprSi5 [mex-5p::MODC PEST::GFP::H2B::glp-1 3'UTR + Cbr-unc-119(+)] II. Reference: Farley BM, Ryder SP. Mol Biol Cell. 2012 Oct 3.

sprSi6 [mex-5p::MODC PEST::GFP::H2B::glp-1 (GBM UtoC) 3'UTR + Cbr-unc-119(+)] II. Reference: Farley BM, Ryder SP. Mol Biol Cell. 2012 Oct 3.

sprSi7 [mex-5p::MODC PEST::GFP::H2B::glp-1 (5' PRE) 3'UTR + Cbr-unc-119(+)] II. Reference: Farley BM, Ryder SP. Mol Biol Cell. 2012 Oct 3.

Homozygous fertile, nearly fully penetrant embryonic lethal phenotype at 25C. sprSi1 [pie-1p::GFP::histone-H2B::nos-2(MRE mut) 3'UTR + Cbr-unc-119(+)] II. mex-3(spr9) is a CRISPR/Cas9 engineered deletion of the mex-3 3´UTR (removes 624 of 689 bp) derived by modification of parental strain DG4269 mex-3(tn1753[gfp::3xflag::mex-3]) I. Nuclear GFP fluorescence in germline progenitor cells in early embryos. Derived by crossing parental strains WRM52 and WRM1. Reference: Brown HE, et al. Development. 2025 Sep 1;152(17):dev204740. doi: 10.1242/dev.204740. PMID: 40787769.

sprSi8 [mex-5p::MODC PEST::GFP::H2B::glp-1 (3' PRE) 3'UTR + Cbr-unc-119(+)] II. Reference: Farley BM, Ryder SP. Mol Biol Cell. 2012 Oct 3.

sprSi1 [pie-1p::GFP::histone-H2B::nos-2(MRE mut) 3'UTR + Cbr-unc-119(+)] II. Homozygous fertile. Nuclear GFP fluorescence in germline progenitor cells in early embryos. Derived by crossing parental strains DG4269 and WRM1. Reference: Brown HE, et al. Development. 2025 Sep 1;152(17):dev204740. doi: 10.1242/dev.204740. PMID: 40787769.

sprS9 [mex-5p::MODC PEST::GFP::H2B::glp-1 (5' 3' PRE) 3'UTR + Cbr-unc-119(+)] II. Reference: Farley BM, Ryder SP. Mol Biol Cell. 2012 Oct 3.

opIs34 [hus-1p::hus-1::GFP + unc-119(+)]. Low-copy integrated array of 1144 bp hus-1 promoter and genomic coding sequence fused to GFP. Nuclear expression of GFP in germ cells and embryos. Integrated GFP construct completely rescues DNA damage induced cell cycle arrest defect and partially rescues DNA damage induced apoptosis of hus-1(op241).

opIs56 [egl-1p::2xNLS::GFP]. opIs56 is a low copy integrant of 3 kb 5' sequence from egl-1 fused to 2xNLS GFP. unc-119(ed3) should be outcrossed. Low basal GFP expression in embryos, meiotic germ cells and several neurons. GFP expression can be induced by ionizing radiation in all germ cells. Best viewed with dissected gonads.

opIs76 [cyb-1p::cyb-1::YFP + unc-119(+)]. The fusion protein partially rescues a cyb-1 null allele, so it is at least partially functional. non-Unc strain.

opIs110 [lim-7p::YFP::actin + unc-119(+)] IV. YFP::ACT-5 expressed in somatic sheath cells, marks pre-disc corpses.

opIs206 [hif-1p::hif-1(genomic)::GFP::hif-1 3'UTR + unc-119(+)]. Weak GFP signal in early embryonic stages (2-cell, 4-cell, 8-cell, etc.). Reference: Sendoel A, et al. Nature. 2010 Jun 3;465(7298):577-83.

opIs263 [rpa-1p::rpa-1::YFP + unc-119(+)]. YFP expression in soma and germline.

opIs295 [cdc-42p::GFP::cdc-42(genomic)::cdc-42 3'UTR + unc-119(+)] II.

opIs406 [fan-1p::fan-1::GFP::let-858 3'UTR + unc-119(+)]. opIs406 resuces tm423. Reference: Kratz K, et al. Cell. 2010 Jul 9;142(1):77-88.

wtEx30 [cuti-1p::cuti-1::GFP + unc-119(+)]. Maintain by picking non-Unc. Reference: Fritz JA & Behm CA. PLoS One. 2009;4(4):e5117.

ruIs32 [pie-1p::GFP::H2B + unc-119(+)] III. ojIs1 [pie-1p::GFP::tbb-2 + unc-119(+)]. Stable expression of GFP::histoneH2B and GFP::beta-tubulin when grown at 16-25C. ruIs32 contains plasmid pAZ132. ojIs1 is not on LG I, II, or IV.

qaIs3502 [pie-1p::YFP::lmn-1 + pie-1p::CFP::H2B + unc-119(+)]. Relative stable expression of YFP::LMN-1 when grown at 24C. Expression of CFP::H2B is silenced. qaIs3502 is presumably not on LG III. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects. Commercial requests should be addressed to info@embl-em.de

qaEx3504 [pie-1::GFP::emr-1 + unc-119(+)]. Maintain by picking WT. Stable expression of GFP::EMR-1 when grown at 20C. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects. Commercial requests should be addressed to info@embl-em.de

qaIs3507 [pie-1p::GFP::lem-2 + unc-119(+)] WT. Stable expression of GFP::LEM-2 when grown at 20C. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects. Commercial requests should be addressed to info@embl-em.de

qaIs3546 [pie-1p::GFP::npp-8 + unc-119(+)]. Relatively stable expression of GFP::npp-8 (CeNup155) in the germline. Reference: Franz C, et al. EMBO J .2005 Oct 19;24(20):3519-31. PMID: 16193066

pkIs2170 [hsp-16.41::ATG-LacZ(first 251nt)-I-Sce-I site-stops-LacZ + unc-119(+)]. pkIs2379 [hsp-16.41::I-Sce-I ORF + rol-6(su1006)]. Reference: Pontier DB &Tijsterman M. Nat Methods. 2009 Sep;6(9):655-7.

vrEx6 [nst-1p::nst-1::GFP::nst-1 3' UTR + unc-119(+)]. Stable array; high transmission rate and low percentage of mosaicism. Maintain by picking wild-type. Reference: Kudron et al. (2008) PLos Genet 4(8):e1000181.

vrIs79 [pie-1p::GFP::prg-1 + unc-119(+)]. Transgene expresses GFP::PRG-1 protein fusion. Weak GFP expression prone to silencing. Maintain stocks at 25C to retain GFP expression. Reference: Wang G, Reinke V. Curr Biol. 2008 Jun 24;18(12):861-7.

vrIs48 [pie-1p::dpl-1::GFP::FLAG::dpl-1 3'UTR + unc-119(+)].

vrIs55 [ges-1p::lin-35::GFP::FLAG::lin-35 3'UTR + unc-119(+)].

vrIs56 [pie-1p::lin-35::GFP::FLAG::lin-35 3'UTR + unc-119(+)].

vrIs60 [lin-35p::lin-35::GFP::FLAG::lin-35 3'UTR + unc-119(+)].

vrIs64 [ges-1p::hpl-2::GFP::FLAG::hpl-2 3'UTR + unc-119(+)].

vrIs65 [ges-1p::efl-1::GFP::FLAG::efl-1 3'UTR + unc-119(+)].

vrIs68 [efl-1p::efl-1::GFP::FLAG::efl-1 3'UTR + unc-119(+)].

vrIs69 [dpl-1p::dpl-1::GFP::FLAG::dpl-1 3'UTR + unc-119(+)].

vrIs81 [pie-1p::efl-1::GFP::FLAG::efl-1 3'UTR + unc-119(+)].

vrIs83 [ges-1p::dpl-1::GFP::FLAG::dpl-1 3'UTR + unc-119(+)].