Search Strains

Maternal effect lethal mutation linked to dpy-11(e224) and pseudolinked to unc-24(e138), and balanced by recessive lethal translocation. Heterozygotes are WT and segregate WT, arrested nT1 aneuploids, arrested nT1 homozygotes, and viable DpyUnc t2056 homozygotes that produce dead eggs. GE2335 is also homozygous for xpf-1(e1487) so that male progeny are segregated. Pick WT and check for correct segregation of progeny to maintain. Please reference Li-Leger et al., G3 11(12) 2021 in any work resulting from use of this mutation. xpf-1 previously known as him-9.

Maternal effect lethal mutation linked to unc-24(e138) and pseudolinked to dpy-11(e224), and balanced by recessive lethal translocation. Heterozygotes are WT and segregate WT, arrested nT1 aneuploids, arrested nT1 homozygotes, and viable DpyUnc t1932 homozygotes that produce dead embryos. GE2391 is also homozygous for xpf-1(e1487) so that male progeny are segregated. Pick WT and check for correct segregation of progeny to maintain. Please reference Li-Leger et al., G3 11(12) 2021 in any work resulting from use of this mutation. xpf-1 previously known as him-9.

Maternal-effect lethal mutation linked to unc-32(e189) and balanced by glp-1- and dpy-19-marked recombination suppressor. Heterozygotes are WT, and segregate WT, sterile ts-Dpy qC1 homozygotes, and viable Unc t1559 homozygotes that produce arrested embryos. GE2399 is also homozygous for him-3(e1147) so that male progeny are segregated. Pick WT and check for correct segregation of progeny to maintain. Please reference Li-Leger et al., G3 11(12) 2021 in any work resulting from use of this mutation.

Maternal effect lethal mutation linked to unc-24(e138) and pseudolinked to dpy-11(e224), and balanced by recessive lethal translocation. Heterozygotes are WT and segregate WT, arrested nT1 aneuploids, arrested nT1 homozygotes, and viable DpyUnc t1900 homozygotes that produce dead embryos. GE2453 is also homozygous for xpf-1(e1487) so that male progeny are segregated. Pick WT and check for correct segregation of progeny to maintain. Please reference Li-Leger et al., G3 11(12) 2021 in any work resulting from use of this mutation. xpf-1 previously known as him-9.

Leaky temperature-sensitive maternal effect lethal mutation linked to unc-24(e138) and pseudolinked to dpy-11(e224), and balanced by recessive lethal translocation. Heterozygotes are WT and segregate WT, arrested nT1 aneuploids, arrested nT1 homozygotes, and viable DpyUnc t1909 homozygotes that produce dead eggs at restrictive temperature. GE2512 is also homozygous for xpf-1(e1487) so that male progeny are segregated. Pick WT and check for correct segregation of progeny to maintain. Please reference Li-Leger et al., G3 11(12) 2021 in any work resulting from use of this mutation. xpf-1 previously known as him-9.

Him. Wild-type heterozygotes segregate WT heterozygotes and Dpy Unc ccz-1 homozygotes (produce only arrested embryos). ccz-1 embryos have spindle orientation defects, accumulate vesicles, and problems engulfing apoptotic corpses. Reference: Nieto C, et al. J Cell Sci. 2010 Jun 15;123(Pt 12):2001-7.

Maternal effect lethal mutation linked to dpy-11(e224) and pseudolinked to unc-24(e138), and balanced by recessive lethal translocation. Heterozygotes are WT and segregate WT, arrested nT1 aneuploids, arrested nT1 homozygotes, and viable DpyUnc t2035 homozygotes that produce dead eggs. GE2541 is also homozygous for xpf-1(e1487) so that male progeny are segregated. Pick WT and check for correct segregation of progeny to maintain. Please reference Li-Leger et al., G3 11(12) 2021 in any work resulting from use of this mutation. xpf-1 previously known as him-9.

Maternal-effect lethal mutation linked to unc-32(e189) and balanced by glp-1- and dpy-19-marked recombination suppressor. Heterozygotes are WT, and segregate WT, sterile ts-Dpy qC1 homozygotes, and viable Unc t1674 homozygotes that do not produce viable progeny. GE2605 is also homozygous for him-3(e1147) so that male progeny are segregated. Pick WT and check for correct segregation of progeny to maintain. Please reference Li-Leger et al., G3 11(12) 2021 in any work resulting from use of this mutation.

Maternal-effect lethal mutation linked to unc-32(e189) and balanced by glp-1- and dpy-19-marked recombination suppressor. Heterozygotes are WT, and segregate WT, sterile ts-Dpy qC1 homozygotes, and viable Unc t1587 homozygotes that produce arrested embryos. GE2621 is also homozygous for him-3(e1147) so that male progeny are segregated. Pick WT and check for correct segregation of progeny to maintain. Please reference Li-Leger et al., G3 11(12) 2021 in any work resulting from use of this mutation.

Maternal-effect lethal mutation linked to unc-32(e189) and balanced by glp-1- and dpy-19-marked recombination suppressor. Heterozygotes are WT, and segregate WT, sterile ts-Dpy qC1 homozygotes, and viable Unc t1693 homozygotes that do not produce viable progeny. GE2666 is also homozygous for him-3(e1147) so that male progeny are segregated. Pick WT and check for correct segregation of progeny to maintain. Please reference Li-Leger et al., G3 11(12) 2021 in any work resulting from use of this mutation.

Maternal effect lethal mutation linked to dpy-11(e224) and pseudolinked to unc-24(e138), and balanced by recessive lethal translocation. Heterozygotes are WT and segregate WT, arrested nT1 aneuploids, arrested nT1 homozygotes, and viable DpyUnc t2029 homozygotes that produce unfertilized oocytes. GE2734 is also homozygous for xpf-1(e1487) so that male progeny are segregated. Pick WT and check for correct segregation of progeny to maintain. Please reference Li-Leger et al., G3 11(12) 2021 in any work resulting from use of this mutation. xpf-1 previously known as him-9.

Temperature-sensitive maternal effect lethal mutation linked to unc-24(e138) and pseudolinked to dpy-11(e224), and balanced by recessive lethal translocation. Heterozygotes are WT and segregate WT, arrested nT1 aneuploids, arrested nT1 homozygotes, and viable DpyUnc t1786 homozygotes that produce unfertilized oocytes at restrictive temperature. GE2827 is also homozygous for xpf-1(e1487) so that male progeny are segregated. Pick WT and check for correct segregation of progeny to maintain. Please reference Li-Leger et al., G3 11(12) 2021 in any work resulting from use of this mutation. xpf-1 previously known as him-9.

Maternal effect lethal mutation linked to dpy-11(e224) and pseudolinked to unc-24(e138), and balanced by recessive lethal translocation. Heterozygotes are WT and segregate WT, arrested nT1 aneuploids, arrested nT1 homozygotes, and viable DpyUnc t2055 homozygotes that produce unfertilized oocytes. GE2886 is also homozygous for xpf-1(e1487) so that male progeny are segregated. Pick WT and check for correct segregation of progeny to maintain. Please reference Li-Leger et al., G3 11(12) 2021 in any work resulting from use of this mutation. xpf-1 previously known as him-9.

Temperature-sensitive maternal effect lethal mutation linked to unc-24(e138) and pseudolinked to dpy-11(e224), and balanced by recessive lethal translocation. Heterozygotes are WT and segregate WT, arrested nT1 aneuploids, arrested nT1 homozygotes, and viable DpyUnc t1866 homozygotes that produce unfertilized oocytes at restrictive temperature. GE2895 is also homozygous for xpf-1(e1487) so that male progeny are segregated. Pick WT and check for correct segregation of progeny to maintain. Please reference Li-Leger et al., G3 11(12) 2021 in any work resulting from use of this mutation. xpf-1 previously known as him-9.

Temperature-sensitive, maintain at 15C. Shifitng L1 larvae to 25C causes fully penetrant meiosis defect (~3% viability). L4 larvae shifted to 25C produce ~15 progeny. Reference: Baudrimont A, PLoS One. 2011;6(9):e24799.

Sterile at 25C, maintain at 15C. NOTE (11/16/10 - J. Hubbard): This strain is NOT synonymous with glp-1(e2141) as previously reported in Kodoyianni V, Maine EM, Kimble J. (1992) [Molecular basis of loss-of-function mutations in the glp-1 gene of Caenorhabditis elegans. Mol Biol Cell. 3,1199-213. PMID: 1457827]. As reported in WBG article by Dalfó D, Priess J, Schnabel R and Hubbard J. (2010) [glp-1(e2141) sequence correction. The Worm Breeders Gazette. 18-3.], e2144 carries the mutation c2785t in exon 8, leading to the amino acid change L929F, whereas e2141 carries the mutations c2920t and a3610g in exon 8, leading to the amino acid changes R974C and T1204A.

Temperature sensitive, maintain at 15C. At 25C, arrests at 1 to 24 cell stage. Will grow at 20C.

Temperature sensitive. Maintain at 15C. Will grow at 20C, but not at 25C. [11/93: Not behaving as described. Very sick at 25C, but giving some live offspring which in turn give a few more live offspring.]

Temperature sensitive. Maintain at 15C. Embryonic lethal.(Some growth at 20C.) [11/93: Not behaving as described. Very sick at 25C, but giving some live offspring which in turn give a few more live offspring.]

Temperature sensitive. Maintain at 15C. Some growth at 20C and 25.4C--very leaky.

Maintain by picking Unc GFP progeny that produce viable embryos and checking that the non-GFP progeny that are produced fail to give viable progeny. tm1310 is a homozygous sterile allele balanced by bli-4- and GFP-marked translocation. Heterozygotes are Unc with pharyngeal GFP signal, and segregate Unc GFP, arrested hT2 aneuploids, and non-GFP sterile homozygotes (tm1310 is maternally rescued; progeny of non-GFP animals fail to give viable progeny). Homozygous hT2 [bli-4 let-? qIs48] inviable. ok79 heterozygotes are Unc and segregate Uncs, dead eggs, and Him ok79 homozygotes (maternally rescued). Reference: Castellano-Pozo, García-Muse T, Aguilera A. 2012 R-loops cause replication impairment and genome instability during meiosis. EMBO Rep. 13(10): 923-9.

muIs252 [eft-3p::wrmScarlet1-10::unc-54 3'UTR + Cbr-unc-119(+)] II. C-terminal tag of HIS-72 via CRISPR/Cas9 knock-in of wrmScarlet11 into endogenous his-72 locus. Genetic background: strain CF4582. Insertion verified by PCR and fluorescence. Left flank: 5' CTCGCCAGACGCATTCGCGGAGAACGTGCT 3' (one silent mutation); Right flank: 5' TAAgctccatcaccaattctcgaagcactt 3'; sgRNA: GAGCTTAAGCACGTTCTCCG; Cas9/sgRNA plasmid: pGLOW87; wrmScarlet11^SEC^3xMyc plasmid: pGLOW88; SEC insertion allele strain: GLW26

muIs252 [eft-3p::wrmScarlet1-10::unc-54 3'UTR + Cbr-unc-119(+)] II. C-terminal tag of EGL-1 via CRISPR/Cas9 knock-in of wrmScarlet11 into endogenous egl-1 locus. Genetic background: strain CF4582. Insertion verified by PCR, Sanger sequencing, and fluorescence. Left flank: 5' CAGAAGTCTCTTCCATCGTCTTCTGGACTTTTTCGCTTTT 3' (one silent mutation); Right flank: 5' TAAgtgatcaaaatctccaacttttctcca 3'; sgRNA: AGTCCAGAAGACGATGGAAG; Cas9/sgRNA plasmid: pGLOW65; wrmScarlet11^SEC^3xMyc plasmid: pGLOW66; SEC insertion allele strain: GLW28.

N-terminal tag of SOD-2 via CRISPR/Cas9 knock-in of mScarlet at sod-2 locus. Insertion verified by PCR and fluorescence. Left flank: 5' attgaatattttaattatttgcagccgaaa 3'; Right flank: 5' ATGCTTCAAAACACGGTTCGCTGTGTCTCA 3’ (1 silent mutation); sgRNA: AAGCTTTGAGACACAGCGAA; Cas9/sgRNA plasmid: pGLOW98; mScarlet^SEC^3xMyc plasmid: pGLOW111; SEC insertion allele strain: GLW64.

pgIs2 [gcy-8p::TU#813 + gcy-8p::TU#814 + unc-122p::GFP + gcy-8p::mCherry + gcy-8p::GFP + ttx-3p::GFP]. TU#813 and TU#814 are split caspase vectors (Chalfie Lab) subcloned downstream of the gcy-8 promoter. Expression of GFP in coelomocytes and AIY neuron, and mCherry in AFD neuron when caspase activity is lost. Reference: Glauser DA, et al. Genetics. 2011 May;188(1):91-103.

GFP inserted into the endogenous che-3 locus at its N-terminus and K2935Q mutation introduced by Cas9-triggered homologous recombination. Lipophilic dye filling is 100% defective and the amphid and phasmid sensory cilia are severely shortened with strong IFT particle accumulation.

mgDf90 completely eliminates the daf-3 coding region.

mgEx470 [pdk-1(+) + ttx-3::GFP]. Pick GFP+ to maintain. 9.2-kb PCR product of genomic DNA from the pdk-1(+) genomic region containing 2.7 kb of 5' upstream regulatory sequence, 6.1 kb of coding sequencing containing introns and exons, and 0.4 kb of pdk-1 3' UTR. Reference: Paradis S, et al. Genes Dev. 1999 Jun 1;13(11):1438-52.

mgIs45 [mir-84(+) + tub-1::GFP] I. mir-84 over-expressing line. Reference: Hayes GD, Riedel CG, Ruvkun G. Genes Dev. 2011 Oct 1;25(19):2079-92.

veIs13 [col-19::GFP + rol-6(su1006)] V. mgEx725 [lin-4::let-7 + ttx-3::RFP]. Pick RFP+ to maintain. mgEx725 rescues lethality of let-7(mn112). Precocious expression of col-19::GFP at the L4 stage. Reference: Hayes GD, Riedel CG, Ruvkun G. 2011. Genes Dev. 2011 Oct 1;25(19):2079-92.

Adults slightly Dpy. Suppresses defects caused by over-expression of mir-84. Enhances retarded heterchronic phenotypes caused by a weak allele of let-7 or loss of mir-84. Reference: Hayes GD, Riedel CG, Ruvkun G. 2011. Genes Dev. 2011 Oct 1;25(19):2079-92.

Adults slightly Dpy. Suppresses defects caused by over-expression of mir-84. Enhances retarded heterchronic phenotypes caused by a weak allele of let-7 or loss of mir-84. Reference: Hayes GD, Riedel CG, Ruvkun G. 2011. Genes Dev. 2011 Oct 1;25(19):2079-92.

mgIs45 [mir-84(over-expressing) + tub-1::GFP] I. wIs54 [scm::GFP] V. Maintain by picking animals with good expression of tub-1::GFP in amphid neurons to maintain. somi-1 mutation suppresses precocious development of the vulva and hypodermal cells caused by over-expression of mir-84. Reference: Hayes GD, Riedel CG, Ruvkun G. 2011. Genes Dev. 2011 Oct 1;25(19):2079-92.

mgEx481 [pdk-1::GFP::unc-54 3'UTR + rol-6(su1006)]. Pick Rollers to maintain. PDK-1::GFP translational fusion containing 9 kb akt-1 genomic DNA including 2.9 kb of 5' upstream regulatory region and 6.1 kb of coding region (including exons and introns) fused in-frame to GFP with unc-54 3' UTR. Reference: Paradis S, et al. Genes Dev. 1999 Jun 1;13(11):1438-52.

RNAi-deficient in soma. Reference: Zhang C, et al. Proc Natl Acad Sci U S A. 2011 Jan 25;108(4):1201-8.

Loss-of-function allele; stronger than eri-7(mg411). Reference: Fischer SE, et al. Nature. 2008 Sep 25;455(7212):491-6.

mgIs72 [rpt-3p::GFP + dpy-5(+)] II. mgIs78 [myo-3p::H2B::mCherry::SL2::pbs-5(T65A)] IV. Muscle-specific proteasome dysfunction. Reference: Lehrbach NJ & Ruvkun G. Elife. 2019 Apr 11;8. pii: e44425. doi: 10.7554/eLife.44425.

DpyUnc. At 25C ar22 recessively suppresses the Egl defect of n676n930. At 15C ar22 dominantly suppresses the 2 AC-Egl phenotype of n676n930. Suppresses the vulval lineage defects and proximal mitosis defects of lin-12. Do not distribute this strain; other labs should request it from the CGC.

arIs37 [myo-3p::ssGFP + dpy-20(+)] I. cup-11 is defective in endocytosis by coelomocytes. Do not distribute this strain; other labs should request it from the CGC.

Dpy. Suppresses presenilin genes. Do not distribute this strain; other labs should request it directly from the CGC.

Heterozygotes are WT and segregate WT, DpyUncs and Steriles which have an everted vulva. Do not distribute this strain; other labs should request it from the CGC.

Heterozygotes are WT and segregate WT, DpyUncs and Sterile Unc-36 which have an everted vulva. Do not distribute this strain; other labs should request it from the CGC.

Heterozygotes are WT and segregate WT, Steriles with an Everted Vul and DpyUncs. Received new stock 10/2003. Do not distribute this strain; other labs should request it from the CGC.

Heterozygotes are WT and segregate WT, Steriles with an Everted Vul and DpyUncs. Do not distribute this strain; other labs should request it from the CGC. ar105 previously called evl-5(ar105).

Heterozygotes are WT and segregate WT, Steriles with an Everted Vul and DpyUncs. ar113 pka evl-11(ar113). Do not distribute this strain; other labs should request it from the CGC.

Heterozygotes are WT and segregate WT, DpyUncs and Steriles which have an everted vulva. ar114 pka evl-11(ar114). Do not distribute this strain; other labs should request it from the CGC.

arIs131 [lag-2p::2xNLS::YFP + ceh-22p::GFP + pha-1(+)] III. References: Li J, Greenwald I. Curr Biol. 2010 Oct 26;20(20):1875-9. Zhang X, Greenwald I. Genetics. 2011 Aug;188(4):847-58. Do not distribute this strain; other labs should request it from the CGC.

Unc. At 25C ar39 recessively suppresses the Egl phenotype of n676n930. At 15C a high percentage of hermaphrodites have a 0 AC-Egl phenotype. ar39 recessively suppresses vulval lineage defects and proximal mitosis. Do not distribute this strain; other labs should request it from the CGC.

arTi85 [lin-31p::ERK::KTR::mClover::T2A::mCherry::his-11::unc-54 3'UTR + rps-27p::NeoR::unc-54 3'UTR]. Superficially wild-type. arTi85 transgene is a single-copy transposon insertion expressing a fluorescent protein (ERK::KTR::mClover) that reports MPK-1 kinase activity in vulval precursor cells (VPCs). A nuclear histone marker is co-expressed (mCherry::H2B). Reference: de la Cova C, et al. Developmental Cell. 2017 Vol. 42(5):542-553.

arTi101 [lin-31p::ERK::KTR(S43A, T55A, S62A)::mClover::T2A::mCherry::his-11::unc-54 3'UTR + rps-27p::NeoR::unc-54 3'UTR]. Superficially wild-type. arTi101 transgene is a single-copy transposon insertion expressing a mutant, unphosphorylated form of a fluorescent protein (ERK::KTR::mClover) that reports MPK-1 kinase activity in vulval precursor cells (VPCs). A nuclear histone marker is co-expressed (mCherry::H2B). Use arTi101 as a negative control for transgene arTi85. Reference: de la Cova C, et al. Developmental Cell. 2017 Vol. 42(5):542-553.