Search Strains

vizSi20 [mex-5p::GFP::gsk-3 (K65A,E77A,D161A,D180A)::tbb-2 3’UTR + unc-119(+)] II. Superficially wild-type. vizSi20 was inserted into Chr II ttTi5605 using MosSci. GSK-3 cDNA was rendered kinase dead by replacing K65, E77, D161 and D180 to alanine. The transgene does not rescue gsk-3 sterility or embryonic lethality defects. Reference: Furuta T, et al. Development. 2018 May 14;145(10). pii: dev161042. doi: 10.1242/dev.161042.

Can be maintained by chunking or setting up male/hermaphrodite crosses. Dpy.

meIs1 [pie-1p::GFP::lacI + unc-119(+)]. meIs4 [lac-O + rol-6(su1006) + lacO] IV. Pick Rol worms to maintain. This strain throws both Rol and non-Rol worms, seemingly due to random silencing of rol-6(su1006) in the lacO array, meIs4. The strain expresses GFP::LacI in the gonad and embryos that is observed as foci (of lacO target) and nuclear haze. The expression level of GFP::LacI occasionally becomes low possibly due to random silencing of meIs1. If this happens, heat shock the strain at 25°C for 3 days, and pick a clone that exhibits bright GFP signals. Even at the highest expression level, GFP signal is too weak to detect with a fluorescent dissection microscope, and it is necessary to use a regular compound fluorescent microscope with an oil immersion 60X or 100X objective. The NA of the objective should be higher than 1.4. Reference: Bilgir C, et al. G3 (Bethesda). 2013 Mar 11. pii: g3.112.005165v1.

Sperm activation in virgin males. Poor sperm transfer.

Sperm activation in virgin males. Very poor sperm transfer.

qIs51 [myo-2p::GFP + pes-10p::GFP + F22B7.9p::GFP]. Heterozygotes are wild-type GFP+ and segregate non-GFP ok197 homozygotes (viable, sterile), wild-type GFP+ heterozygotes, and arrested nT1[qIs51] aneuploids. rad-50 homozygotes are viable, produce more than 95% dead eggs and a large fraction of the survivors are male (Him phenotype). Pick wild-type GFP+ and check for correct segregation of progeny to maintain. Reference: Hayashi M, et al. PLoS Genet. 2007 Nov;3(11):e191.

krIs14 [hsp-16.48p::MosTransposase + lin-15B + unc-122p::GFP]. Heterozygotes are WT with GFP (GFP+ coelomocytes & GFP+ pharynx), and segregate WT GFP, arrested nT1[qIs51] aneuploids, and Dpy Unc homozygotes (GFP+ pharynx & GFP+ coelomocytes). Homozygous nT1[qIs51] inviable. Pick WT with GFP (GFP+ pharynx & GFP+ coelomocytes) and check for correct segregation of progeny to maintain. References: Robert V & Bessereau JL. EMBO J. 2007 Jan 10;26(1):170-83. doi: 10.1038/sj.emboj.7601463. PMID: 17159906. Rosu S, et al. Science. 2011 Dec 2;334(6060):1286-9. doi: 10.1126/science.1212424. PMID: 22144627. Toraason E, et al. Elife. 2024 Aug 8;13:e80687. doi: 10.7554/eLife.80687. PMID: 39115289.

meIs8 [pie-1p::GFP::cosa-1 + unc-119(+)] II. Transgene contains a combination of cDNA and genomic sequences of cosa-1 including 212 bp of 3'UTR. GFP is expressed in the adult germline as 6 bright foci per nucleus (one per chromosome pair) from late pachytene through diplotene stages. Homozygous sterile mutation balanced by GFP- and dpy-10-marked inversion. Heterozygotes are WT with relatively dim pharyngeal GFP signal, and segregate WT dim GFP, Dpy bright GFP (mIn1 homozygotes), and non-GFP me103 homozygotes (sterile adult). Pick WT dim GFP and check for correct segregation of progeny to maintain. nbs-1(me103) homozygotes have frayed and aggregated chromosomes at diakinesis of meiosis I. References: Girard C, et al. Proc Natl Acad Sci U S A. 2018 May 8;115(19):E4443-E4452. Yokoo R, et al. Cell. 2012 Mar 30;149(1):75-87.

Homozygous sterile mutation balanced by GFP- and dpy-10-marked inversion. Heterozygotes are WT with relatively dim pharyngeal GFP signal, and segregate WT dim GFP, Dpy bright GFP (mIn1 homozygotes), and non-GFP me103 homozygotes (sterile adult). Pick WT dim GFP and check for correct segregation of progeny to maintain. nbs-1(me103) homozygotes have frayed and aggregated chromosomes at diakinesis of meiosis I. Reference: Girard C, et al. Proc Natl Acad Sci U S A. 2018 May 8;115(19):E4443-E4452.

ieSi64 [gld-1p::TIR1::mRuby::unc-54 3'UTR + Cbr-unc-119(+)] II. N-terminal AID*::GFP tag was inserted into the endogenous lin-35 locus. A single copy insertion of gld-1p::TIR1::mRuby allows for auxin inducible degradation of LIN-35 in the germline. Generated in N2 background. Reference: Willis AR, et al. Sci Adv. 2021 May 5;7(19):eabf3114. PMID: 33952520 [NOTE: lin-35(kea7) is an N-terminal tag; the methods section of the paper incorrectly describes the tag as a C-terminal insertion.]

keaSi11 [vit-2p::TIR1::mRuby::unc-54 3'UTR + Cbr-unc-119(+)] II. C-terminal GFP::AID* tag was inserted into the endogenous pals-22 locus. A single copy insertion of vit-2p::TIR1::mRuby allows for auxin inducible degradation in the adult intestine. Generated in N2 background. Reference: Willis AR, et al. Sci Adv. 2021 May 5;7(19):eabf3114. PMID: 33952520 [NOTE: pals22(kea8) is a C-terminal tag; the methods section of the paper incorrectly describes the tag as an N-terminal insertion.]

keaSi9 [myo-3p::TIR1::mRuby::unc-54 3'UTR + Cbr-unc-119(+)] II. C-terminal GFP::AID* tag was inserted into the endogenous pals-22 locus. A single copy insertion of myo-3p::TIR1::mRuby allows for auxin inducible degradation in the body wall muscles. Generated in N2 background. Reference: Willis AR, et al. Sci Adv. 2021 May 5;7(19):eabf3114. PMID: 33952520 [NOTE: pals22(kea8) is a C-terminal tag; the methods section of the paper incorrectly describes the tag as an N-terminal insertion.]

keaSi12 [dpy-7p::TIR1::mRuby::unc-54 3'UTR + Cbr-unc-119(+)] II. C-terminal GFP::AID* tag was inserted into the endogenous pals-22 locus. A single copy insertion of dpy-7p::TIR1::mRuby allows for auxin inducible degradation in the epidermis. Generated in N2 background. Reference: Willis AR, et al. Sci Adv. 2021 May 5;7(19):eabf3114. PMID: 33952520 [NOTE: pals22(kea8) is a C-terminal tag; the methods section of the paper incorrectly describes the tag as an N-terminal insertion.]

kea15 [rgef-1p::TIR1::mRuby::unc-54 3’UTR + Cbr-unc-119(+)] II. C-terminal GFP::AID* tag was inserted into the endogenous pals-22 locus. A single copy insertion of rgef-1p::TIR1::mRuby allows for auxin inducible degradation in neurons. Generated in N2 background. Reference: Willis AR, et al. Sci Adv. 2021 May 5;7(19):eabf3114. PMID: 33952520 [NOTE: pals22(kea8) is a C-terminal tag; the methods section of the paper incorrectly describes the tag as an N-terminal insertion.]

aaim-1 mutants are resistant to infection by N. parisii, but sensitive to infection by Pseudomonas aeruginosa PA14. No defects in development or lifespan were observed. Reference: Tamim El Jarkass H, et al. eLife. 2022;11:e72458. PMID: 34994689.

Impaired chemotaxis and foraging behavior. Excess intestinal fat accumulation. Reduced oxygen consumption. Derived from NL4000. Reference: Cohen M, et al. 2009 Cell Metabolism 9: 375-385.

dbEx813 [gcy-37p::cGi500]. Pick GFP+ animals to maintain. The cGi500 cGMP sensor is expressed in the oxygen-sensing AQR, PQR, and URX neurons. Reference: Couto A, et al. Proc Natl Acad Sci U S A. 2013 Aug 27;110(35):E3301-10.

acEx157 [gon-2p::gon-2(cDNA)::SL2::GFP + unc-122::RFP]. Maintain by picking GFP+ or RFP+ animals (GFP is expressed primarily in intestine and gonads). gon-2 expression driven by gon-2 promoter. Transgene rescues gon-2(lf). Reference: Filipowicz et al. eLife 2021;10:e65935. DOI: 10.7554/eLife.65935

acEx158 [ges-1p::gon-2(cDNA)::SL2::GFP + unc-122::RFP]. Maintain by picking GFP+ or RFP+ animals (GFP is expressed in intestinal cells). gon-2 expression driven by ges-1 promoter. Transgene rescues gon-2(lf). Reference: Filipowicz et al. eLife 2021;10:e65935. DOI: 10.7554/eLife.65935

acEx159 [gtl-2p::gtl-2(cDNA)::SL2::GFP + unc-122::RFP]. Maintain by picking GFP+ or RFP+ animals (GFP is expressed primarily in the excretory cell and pharynx). gtl-2 expression driven by gtl-2 promoter. Transgene rescues gtl-2(lf). Reference: Filipowicz et al. eLife 2021;10:e65935. DOI: 10.7554/eLife.65935

acEx160 [sulp-4p::gtl-2(cDNA)::SL2::GFP + unc-122::RFP]. Maintain by picking GFP+ or RFP+ animals (GFP is expressed in the excretory cell). gtl-2 expression driven by sulp-4 promoter. Transgene rescues gtl-2(lf). Reference: Filipowicz et al. eLife 2021;10:e65935. DOI: 10.7554/eLife.65935

acEx172 [mrp-1p::mrp-1C::SL2::GFP + unc-122p::RFP]. Pick GFP+ or RFP+ animals to maintain. mrp-1C (isoform C from cDNA) expressed under its own promoter rescues mrp-1. Reference: Lalsiamthara J & Aballay A. Commun Biol. 2022 May 5;5(1):422. doi: 10.1038/s42003-022-03381-1. PMID: 35513700.

acEx174 [ges-1p::mrp-1::GFP + unc-122p::RFP]. Pick GFP+ or RFP+ animals to maintain. Translational fusion of MRP-1::GFP driven by intestine-specific ges-1 promoter. Reference: Lalsiamthara J & Aballay A. Commun Biol. 2022 May 5;5(1):422. doi: 10.1038/s42003-022-03381-1. PMID: 35513700.

acEx175 [glr-1p::nmr-1::SL2::GFP + unc-122p::RFP]. Pick GFP+ or RFP+ animals to maintain. glr-1 promoter drives NMR-1 expression primarily in interneuron, neurons, and ventral nerve cord. Reference: Lalsiamthara J & Aballay A. Commun Biol. 2022 May 5;5(1):422. doi: 10.1038/s42003-022-03381-1. PMID: 35513700.

acEx176 [dc-1p::nmr-1::SL2::GFP + unc-122p::RFP]. Pick GFP+ or RFP+ animals to maintain. tdc-1 promoter drives NMR-1 expression primarily in RIM interneurons. Reference: Lalsiamthara J & Aballay A. Commun Biol. 2022 May 5;5(1):422. doi: 10.1038/s42003-022-03381-1. PMID: 35513700.

acEx177 [ges-1p::mrp-1::GFP + vha-6::DsRed + unc-122p::RFP]. Pick RFP+ to maintain. Translationally fused MRP-1::GFP expressed under intestinal specific ges-1 promoter, MRP-1::GFP proteins localize at the basolateral membrane of the intestine. Translationally fused VHA-6::RFP expressed under its own promoter, VHA-6::RFP proteins localize at the lumen or luminal membrane of the intestine. For better results, observe fluorescence signals on the L4 stage animals and also under higher magnification microscopy. Reference: Lalsiamthara J & Aballay A. Commun Biol. 2022 May 5;5(1):422. doi: 10.1038/s42003-022-03381-1. PMID: 35513700.

acEx185 [hsp-16.41p::par-5::VN173 + hsp-16.41p::his-1::VC155 + unc-122p::RFP]. Pick RFP+ animals to maintain. BiFC reporter strain for PAR-5 and histone (H4) proteins interaction. To detect the protein-protein physical interactions, heat shock the animals for 3 hours at 33°C, allow them to recover for 12 hours at 20°C, and observe fluorescent-complementation signals under a high-magnification fluorescence microscope. Reference: Hong C, et al. PLoS Biol. 2021 Mar 31;19(3):e3001169. doi: 10.1371/journal.pbio.3001169. PMID: 33788830.

acEx186 [hsp-16.41p::par-5::VN173 + hsp-16.41p::VC155 + unc-122p::RFP]. Pick RFP+ animals to maintain. Control strain for AY185 strain. Heat shock induces protein expression but NO BiFC complementation. Reference: Hong C, et al. PLoS Biol. 2021 Mar 31;19(3):e3001169. doi: 10.1371/journal.pbio.3001169. PMID: 33788830.

Deletion allele of F26F4.8. Homologous to Zn finger of Drosophila ovo transcription factor. Developmental defects in hind gut, germline and vulva. HES primers 106/107 outer and HES 108/109 inner.

Animals carrying the duplication WT. Animals which have lost the Dup are sterile. Maintain by picking fertile animals and checking for segregation of fertile and sterile progeny.

Maintain by mating. Hermaphrodites produce nonfunctional sperm and are fertilization defective. Self-fertility is <1% at 16C or 25C. Males are fertile.

Hermaphrodites produce nonfunctional, nonmotile sperm with uniformly aberrant pseudopods. Male sperm normal. Self-fertility is <1% at 16C or 25C. Maintain by mating.

Hermaphrodites are sterile; Males are fertile. Hermaphrodites lay oocytes (produce a few fertile eggs and many oocytes). Produce viable progeny when mated to males. Hermaphrodites produce 10X more self progeny at 20C (2.5/herm) than at either 16C or 25C.

Dpy. spe-6(hc163) is a recessive suppressor of spe-27(it132). spe-6(hc163) also suppresses spe-8, spe-12, spe-29 and other spe-27 alleles. Causes precocious spermatid activation. Fertile between 15-25C.

Twitcher Unc. spe-6(hc163) is a recessive suppressor of spe-27(it132). spe-6(hc163) also suppresses spe-8, spe-12, spe-29 and other spe-27 alleles. Causes precocious spermatid activation. Fertile between 15-25C.

Enhanced RNAi. Lacks RNA editing. Vulval bursting. Low brood size. Triple mutants display bursting and low brood size phenotypes not observed in adr-1;adr-2 or rrf-3 parental strains. Reference: Reich DP, et al. Genes Dev. 2018 Feb 1;32(3-4):271-282.

ggIs1 [nrde-3p::3xFlag::GFP::nrde-3 ORF + unc-119(+)] IV. Nuclear GFP::NRDE-3 signal. Enhanced RNAi. Lacks RNA editing. Vulval bursting. Low brood size. Triple mutants display bursting and low brood size phenotypes not observed in adr-1;adr-2 or rrf-3 parental strains. Reference: Reich DP, et al. Genes Dev. 2018 Feb 1;32(3-4):271-282.

Enhanced RNAi. Lacks RNA editing. Vulval bursting. Low brood size. Triple mutants display bursting and low brood size phenotypes not observed in adr-1;adr-2 or rrf-3 parental strains. Reference: Reich DP, et al. Genes Dev. 2018 Feb 1;32(3-4):271-282.

sEx10002[rCesC05D10.3::GFP + pCeh361]. Maintain by picking WT. WT animals are GFP+. Strain construction supported by Genome British Columbia and Genome Canada. Please acknowledge McKay et al, Cold Spring Harbor Symposia on Quantitative Biology 68: 159-169 2004 (WBPaper00006525).

sEx10004 [rCes C54H2.5::GFP + pCeh361]. Maintain by picking WT. WT animals are GFP+. Strain construction supported by Genome British Columbia and Genome Canada. Please acknowledge McKay et al, Cold Spring Harbor Symposia on Quantitative Biology 68: 159-169 2004 (WBPaper00006525).

sEx10008 [rCesF18E2.2::GFP + pCeh361]. Maintain by picking WT. WT animals are GFP+. Strain construction supported by Genome British Columbia and Genome Canada. Please acknowledge McKay et al, Cold Spring Harbor Symposia on Quantitative Biology 68: 159-169 2004 (WBPaper00006525).

sEx841[rCesF43E2.4::GFP + pCeh361]. Maintain by picking WT. WT animals are GFP+. Strain construction supported by Genome British Columbia and Genome Canada. Please acknowledge McKay et al, Cold Spring Harbor Symposia on Quantitative Biology 68: 159-169 2004 (WBPaper00006525).

sEx842 [rCesC34G6.4::GFP + pCeh361]. Maintain by picking WT. WT animals are GFP+. Strain construction supported by Genome British Columbia and Genome Canada. Please acknowledge McKay et al, Cold Spring Harbor Symposia on Quantitative Biology 68: 159-169 2004 (WBPaper00006525).

sEx844 [rCesF22E10.4::GFP + pCeh361]. Maintain by picking WT. WT animals are GFP+. Strain construction supported by Genome British Columbia and Genome Canada. Please acknowledge McKay et al, Cold Spring Harbor Symposia on Quantitative Biology 68: 159-169 2004 (WBPaper00006525).

sEx850 [rCesT21E8.3::GFP + pCeh361]. Maintain by picking WT. WT animals are GFP+. Strain construction supported by Genome British Columbia and Genome Canada. Please acknowledge McKay et al, Cold Spring Harbor Symposia on Quantitative Biology 68: 159-169 2004 (WBPaper00006525).

sEx853 [rCes W09D6.6::GFP + pCeh361]. Maintain by picking WT. WT animals are GFP+. Strain construction supported by Genome British Columbia and Genome Canada. Please acknowledge McKay et al, Cold Spring Harbor Symposia on Quantitative Biology 68: 159-169 2004 (WBPaper00006525).

sEx855 [rCesC47A10.1::GFP + pCeh361]. Maintain by picking WT. WT animals are GFP+. Strain construction supported by Genome British Columbia and Genome Canada. Please acknowledge McKay et al, Cold Spring Harbor Symposia on Quantitative Biology 68: 159-169 2004 (WBPaper00006525).

sEx857 [rCesDH11.3::GFP + pCeh361]. Maintain by picking WT. WT animals are GFP+. Strain construction supported by Genome British Columbia and Genome Canada. Please acknowledge McKay et al, Cold Spring Harbor Symposia on Quantitative Biology 68: 159-169 2004 (WBPaper00006525).

sEx858 [rCesZK484.2::GFP + pCeh361]. Maintain by picking WT. WT animals are GFP+. Strain construction supported by Genome British Columbia and Genome Canada. Please acknowledge McKay et al, Cold Spring Harbor Symposia on Quantitative Biology 68: 159-169 2004 (WBPaper00006525).

sEx861 [rCes Y50E8A.16::GFP + pCeh361]. Maintain by picking WT. WT animals are GFP+. Strain construction supported by Genome British Columbia and Genome Canada. Please acknowledge McKay et al, Cold Spring Harbor Symposia on Quantitative Biology 68: 159-169 2004 (WBPaper00006525).