Search Strains

wIs51 [SCMp::GFP + unc-119(+)] V. kuEx194 [elt-1(+) + sur-5p::DsRed]. GFP expression in seam cells. Pick DsRed+ animals to maintain. In a daf-12(WT) background, elt-1(ku491) exhibits some precocious fusion of seamcells and gaps in alae. elt-1(ku491); daf-12(rh61rh411) double mutants have more sever heterochronic phenotypes including seamcell proliferation and bursting vulvae. Reference: Cohen ML, et al. PLoS Genet. 2015 Mar 27;11(3):e1005099.

kuIs102 [vgln-1p::vgln-1::GFP + Cbr-unc-119(+)]. Integrated translational VGLN-1::GFP fusion protein. Reference: Zabinsky RA, et al. G3 (Bethesda). 2017 Jun 2. pii: g3.117.043414. doi: 10.1534/g3.117.043414. PMID: 28576776

risIs3 [K02A4.1p::K02A4.1::GFP + unc-119(+)]. Superficially wild-type. GFP mainly in head region and body wall muscle. Reference: Mansfeld J, et al. Nat Commun, 2015 Dec 1;6:10043.

risIs31 [hsp-16.2p::grh-1b::GFP + unc-119(+)]. Long lived without heat shock. Heat shock induces over-expression of grh-1 causing short-lived phenotype and nuclear GFP expression. Described as "hsp-16.2p::grh-1::gfp OEx line 1" in referenced paper. Reference: Grigolon G, et al. Nat Commun. 2022 Jan 10;13(1):107. doi: 10.1038/s41467-021-27732-4. PMID: 35013237.

risls32 [grh-1p::grh-1b::GFP + unc-119(+)]. Over-expression of grh-1 from its endogenous promoter. Short lived, no GFP signal visible. Reference: Grigolon G, et al. Nat Commun. 2022 Jan 10;13(1):107. doi: 10.1038/s41467-021-27732-4. PMID: 35013237.

risIs33 [K03A1.5p::3xFLAG::SV40-NLS::dCas9::SV40-NLS::VP64::HA + unc-119(+)]. gpIs1 [hsp-16.2p::GFP]. Inducible GFP fluorescence after >1 hour heat shock at 35C. risIs33 transgene stably expresses a 171 kDa dCas9::VP64 fusion protein suitable for for CRISPR activation (CRISPRa) in C. elegans, as described in Fischer F, et al. J Biol Chem. 2022 May 27;102085. doi: 10.1016/j.jbc.2022.102085. PMID: 35636511. Derived by crossing parental strains MIR249 and TJ375.

risIs1 [anmt-1p::anmt-1::GFP + unc-119(+)]. Superficially wild-type. GFP expression in Pharynx and body wall muscles. Reference: Schmeisser K, et al. Nat Chem Biol. 2013 Sep 29. doi: 10.1038/nchembio.1352.

qbcSi9 [mex-5p::GFP::his-58::3XmiR-228::tbb-2 3’UTR + unc-119(+)] IV. Germline-specific miR-228 miRNA GFP reporter. Reference: Dallaire et al. Dev Cell. 2018 Oct 22;47(2):239-247.e4. doi: 10.1016/j.devcel.2018.08.022. PMID: 30245155.

qbcSi10 [mex-5p::GFP::his-58::3XmiR-228(mut)::tbb-2 3’UTR + unc-119(+)] IV. Germline-specific miR-228 miRNA GFP reporter with a mutation in the miRNA-binding site. Reference: Dallaire et al. Dev Cell. 2018 Oct 22;47(2):239-247.e4. doi: 10.1016/j.devcel.2018.08.022. PMID: 30245155.

qbcSi112 [elt-2p::GFP::his-58::3XmiR-228(mut)::tbb-2 3’UTR + unc-119(+)] IV. Somatic miR-228 miRNA GFP reporter with a mutation in the miRNA-binding site. Reference: Dallaire et al. Dev Cell. 2018 Oct 22;47(2):239-247.e4. doi: 10.1016/j.devcel.2018.08.022. PMID: 30245155.

qbcSi11 [elt-1p::GFP::his-58::3XmiR-228::tbb-2 3’UTR + unc-119(+)] IV. Somatic miR-228 miRNA GFP reporter. Reference: Dallaire et al. Dev Cell. 2018 Oct 22;47(2):239-247.e4. doi: 10.1016/j.devcel.2018.08.022. PMID: 30245155.

GFP::3xFLAG tags inserted at N-terminus of endogenous lin-45 locus. Wild-type morphology. Reference: Townley R, et al. Sci Signal. 2023 Aug 29;16(800):eabq4355. doi: 10.1126/scisignal.abq4355. PMID: 37643243.

mcEx401 [mlc-4p::GFP::mlc-4(WT) + pie-1p::GFP::mlc-4(WT) + rol-6(su1006)]. Rollers. Apparent homozygous lethal deletion chromosome balanced by glp-1- and dpy-19-marked recombination suppressor. Heterozygotes are WT Rol, and segregate WT Rol, sterile Dpy (qC1 homozygotes), late embryonic - early larval lethal (mlc-4 homozygotes) and Sterile Rollers. Pick WT Rol and check for correct segregation of progeny to maintain. Reference: Gally C et al. Development. 2009 Sep;136(18):3109-19.

mcEx402 [mlc-4p::GFP::mlc-4(DD) + pie-1p::GFP::mlc-4(WT) + rol-6(su1006)]. Rollers. Apparent homozygous lethal deletion chromosome balanced by glp-1- and dpy-19-marked recombination suppressor. Heterozygotes are WT Rol, and segregate WT Rol, sterile Dpy (qC1 homozygotes), late embryonic - early larval lethal (mlc-4 homozygotes) and Sterile Rollers. Pick WT Rol and check for correct segregation of progeny to maintain. Reference: Gally C et al. Development. 2009 Sep;136(18):3109-19.

Heterozygotes are WT and segregate WT, Dpys that are GFP+ in the pharynx, and dead L1 larvae that are translucent and often found away from the bacterial lawn (can be difficult to spot on the lawn).

mcIs50 [lin-26p::vab-10(actin-binding domain)::GFP + myo-2p::GFP + pBluescript]. Reference: Gally C, et al., Development. 2009 Sep;136(18):3109-19.

Superficially wild-type. mc73 was generated by using Crispr/Cas9 to add a GFP tag to the endogenous let-805 locus and also insert a rescuing unc-119 transgene. Reference: Quentin S, et al. Development 2016 143: 160-173; doi: 10.1242/dev.126615.

Superficially wild-type. Endogenous nmy-1 locus tagged with GFP. Reference: Vuong-Brender TTK, et al. eLife 2017;6:e23866 DOI: 10.7554/eLife.23866.

Superficially wild-type. Reference: Vuong-Brender TTK, et al. Development 2017 : doi: 10.1242/dev.150383

GFP tag inserted into endogenous let-4 locus using CRISPR/Cas9. Reference: Vuong-Brender TTK, et al. Development. 2017 Dec 1;144(23):4336-4349. doi: 10.1242/dev.150383. PMID: 28526752.

Superficially wild-type. Endogenous dlg-1 locus tagged with GFP.

GFP tag inserted into endogenous vab-10 locus using CRISPR/Cas9. Reference: Suman SK, et al. Development. 2019 Dec 13;146(24):dev183780. doi: 10.1242/dev.183780. PMID: 31784459.

Maintain at 15C. nmy-1(mc90) allele induces almost complete sterility at 25C. mc90 is a CRISPR-engineered mutation in nmy-1 at the position corresponding to the allele nmy-2(ne3409) changing NMY-2 Leucine-981 to Proline, which is conserved among nonmuscle myosins. mc90 was introduced in parental strain ML2540, which carries a GFP-tag in the endogenous nmy-1 locus. Reference: Molnar K, et al. Genetics. 2024 Sep 4;228(1):iyae109. doi: 10.1093/genetics/iyae109. PMID: 39053622.

Maintain at 15C. nmy-2(ne3409) allele induces embryonic lethality (cytokinesis defective) at 25C. nmy-1(mc90) allele induces almost complete sterility at 25C. mc90 is a CRISPR-engineered mutation in nmy-1 at the position corresponding to the allele nmy-2(ne3409) changing NMY-2 Leucine-981 to Proline, which is conserved among nonmuscle myosins. mc90 was introduced in parental strain ML2540, which carries a GFP-tag in the endogenous nmy-1 locus. Reference: Molnar K, et al. Genetics. 2024 Sep 4;228(1):iyae109. doi: 10.1093/genetics/iyae109. PMID: 39053622.

mcIs17 [lin-26::GFP +rol-6(su1006)]. Rollers. The GFP signal is average in embryos and rather weak in larvae. GFP is detected in the same cells as the endogenous LIN-26 protein, that is hypodermal cells (including rectal and vulval cells), support cells, and the omatic gonad precursors Z1/Z4. The signal is too weak to be detected in uterine cells. mcIs17 insertion site not mapped.

mcEx337 [vha-5(+)::GFP + rol-6(su1006)]. Animals with the array are Rollers and GFP+ in the excretory canal. Animals which have lost the array are dead L1 larvae that are translucent and often found away from the bacterial lawn (can be difficult to spot on the lawn).

mcEx342[vha-5(E830Q)::GFP + rol-6(su1006)]. Animals with the array are slightly Dpy and are occasionally Rollers and GFP+ in the excretory canal. Animals which have lost the array are dead L1 larvae that are translucent and often found away from the bacterial lawn (can be difficult to spot on the lawn).

mcIs40 [lin-26p::ABDvab-10::mCherry + myo-2p::GFP]. Reference: Gally C, et al. Development. 2009 Sep;136(18):3109-19.

lucEx628 [tbx-33::GFP(fosmid) + myo-2p::mCherry]. Pick mCherry+ animals to maintain. Wild-type morphology. Extrachromosomal TBX-33 direct fusion fosmid-based reporter. Reference: Charest J, et al. Dev Cell. 2020 Sep 24;S1534-5807(20)30672-9. PMID: 33002421

lucSi100 [hsp16.41::vhhGFP4::zif-1::SL2::mCherry::his-11::tbb-2 3'UTR] II. Superficially wild-type morphology. Single-copy insertion of a GFP-nanobody::zif-1 fusion transgene under a heat-shock promoter. Allows conditional depletion of GFP-tagged proteins in all tissues via heat-shock expression of anti-GFP nanobody fusion to ZIF1 (mediated by recruited ZIF-1 but NOT requiring ZF1 tags). (Wang et al. (2017). A toolkit for GFP-mediated tissue-specific protein degradation in C. elegans. Development 144, 2694-2701.)

lucSi102 [hsp16.41::zif-1::SL2::mCherry::his-11::tbb-2 3'UTR] II. Superficially wild-type morphology. Single-copy insertion of a zif-1 transgene under a heat-shock promoter. Used as control for MLC1092 or for conditional depletion of ZF1 degron-tagged proteins (aka ZF) in all tissues via heat-shock expression of ZIF-1. (Wang et al. (2017) A toolkit for GFP-mediated tissue-specific protein degradation in C. elegans. Development 144, 2694-2701.)

lucEx755 [tbx-32::GFP(fosmid) + ttx-3p::mCherry]. Pick mCherry+ animals to maintain. Wild-type morphology. Extrachromosomal TBX-32 direct fusion fosmid-based reporter. Reference: Charest J, et al. Dev Cell. 2020 Sep 24;S1534-5807(20)30672-9. PMID: 33002421

lucEx818 [tbx-31::GFP(fosmid) + ttx-3p::mCherry]. Pick mCherry+ animals to maintain. Wild-type morphology. Extrachromosomal TBX-31 direct fusion fosmid-based reporter. Reference: Charest J, et al. Dev Cell. 2020 Sep 24;S1534-5807(20)30672-9. PMID: 33002421

lucEx824 [mab-9::T2A::GFP::H2B::mab-9 3'UTR + ttx-3p::mCherry]. Pick mCherry+ animals to maintain. Wild-type morphology. Extrachromosomal mab-9 reporter includes 3.1 kb of mab-9 upstream region and 1.5 kb of downstream region. Reference: Charest J, et al. Dev Cell. 2020 Sep 24;S1534-5807(20)30672-9. PMID: 33002421

lucEx825 [tbx-34::T2A::GFP::H2B::tbx-34 3'UTR + ttx-3p::mCherry]. Pick mCherry+ animals to maintain. Wild-type morphology. Extrachromosomal tbx-34 reporter includes 755 bp of tbx-34 upstream region and 4.4 kb of downstream region. Reference: Charest J, et al. Dev Cell. 2020 Sep 24;S1534-5807(20)30672-9. PMID: 33002421

lucEx826 [tbx-36::T2A::GFP::H2B::tbx-36 3'UTR + ttx-3p::mCherry]. Pick mCherry+ animals to maintain. Wild-type morphology. Extrachromosomal tbx-36 reporter includes 1.5 kb of tbx-36 upstream region and 1.4 kb of downstream region. Reference: Charest J, et al. Dev Cell. 2020 Sep 24;S1534-5807(20)30672-9. PMID: 33002421

lucEx881 [C32C4.16::T2A::GFP::H2B(fosmid) + unc-122p::mCherry]. Pick mCherry+ animals to maintain. Wild-type morphology. Extrachromosomal C32C4.16 fosmid-based reporter. Reference: Charest J, et al. Dev Cell. 2020 Sep 24;S1534-5807(20)30672-9. PMID: 33002421

lucEx883 [tbx-43::T2A::GFP::H2B::tbx-43 3’UTR + ttx-3p::mCherry]. Pick mCherry+ animals to maintain. Wild-type morphology. Extrachromosomal tbx-43 reporter includes 2.4 kb of tbx-43 upstream region and 658 bp of downstream region. Reference: Charest J, et al. Dev Cell. 2020 Sep 24;S1534-5807(20)30672-9. PMID: 33002421

lucEx935 [tbx-39p::tbx-39::T2A::GFP::H2B::tbx-39 3’UTR + ttx-3p::mCherry]. Pick mCherry+ animals to maintain. Wild-type morphology. Extrachromosomal tbx-39 reporter includes 1.6 kb of tbx-39 upstream region and 1.8 kb of downstream region. Reference: Charest J, et al. Dev Cell. 2020 Sep 24;S1534-5807(20)30672-9. PMID: 33002421

qIs26 [lag-2::GFP + rol-6(su1006)]. Heterozygote animals show roller phenotype and express GFP in the distal tip cells. Segregate roller and GFP(+) heterozygotes, embryonic lethal qC1 homozygotes and embryonic lethal tbx-37/38 homozygotes. Reference: Charest J, et al. Dev Cell. 2020 Sep 24;S1534-5807(20)30672-9. PMID: 33002421

Heterozygotes are wild-type with pharyngeal GFP signal, and segregate wild-type GFP, arrested hT2 aneuploids, and non-GFP luc161 homozygotes (embryonic lethal). Homozygous hT2[bli-4 let-? qIs48] inviable. Pick wild-type GFP and check for correct segregation of progeny to maintain. vha-1(luc161) is a 454 bp deletion removing most of the coding sequence. Reference: Gutie?rrez-Pérez, P. et al. A deeply conserved miR-1 dependent regulon supports muscle cell physiology. bioRxiv, 2020, doi.org/10.1101/2020.08.31.275644.

qIs26 [lag-2::GFP + rol-6(su1006)]. Heterozygote animals show roller phenotype and express GFP in the distal tip cells. Segregate roller and GFP(+) heterozygotes, embryonic lethal qC1 homozygotes and embryonic lethal tbx-37/38 homozygotes. Reference: Charest J, et al. Dev Cell. 2020 Sep 24;S1534-5807(20)30672-9. PMID: 33002421

lucEx247 [gcy-9(fosmid)::GFP + ttx-3p::mCherry]. Pick mCherry+ to maintain. Reference: Drexel T, et al. Genes Dev. 2016 Sep 15;30(18):2042-2047.

lucEx43 [mir-791(fosmid)::GFP + ttx-3p::mCherry]. Pick mCherry+ to maintain. Reference: Drexel T, et al. Genes Dev. 2016 Sep 15;30(18):2042-2047.

lucEx421 [mir-4813p::myr::GFP::unc-54 3’UTR + ttx-3p::mCherry]. Pick mCherry+ animals to maintain. Reporter contains 1kb upstream mir-4813 promoter sequence and 1kb unc-54 3’UTR downstream sequence. Provides a marker for pharyngeal muscle cell-cell fusion. Reference: Gutie?rrez-Pérez, P. et al. A deeply conserved miR-1 dependent regulon supports muscle cell physiology. bioRxiv, 2020, doi.org/10.1101/2020.08.31.275644.

Wild-type morphology. GFP-tag inserted into endogenous tbx-37 locus by CRISPR/Cas9 engineering. Reference: Charest J, et al. Dev Cell. 2020 Sep 24;S1534-5807(20)30672-9. PMID: 33002421

Wild-type morphology. GFP-tag inserted into endogenous tbx-38 locus by CRISPR/Cas9 engineering. Reference: Charest J, et al. Dev Cell. 2020 Sep 24;S1534-5807(20)30672-9. PMID: 33002421

lucEx552 [tbx-8::GFP(fosmid) + myo-2p::mCherry]. Pick mCherry+ animals to maintain. Wild-type morphology. Extrachromosomal TBX-8 direct fusion fosmid-based reporter. Reference: Charest J, et al. Dev Cell. 2020 Sep 24;S1534-5807(20)30672-9. PMID: 33002421

lucIs24 [mir-52p::mirtron-51 + elt-2::dsRed + myo-2::mCherry]. Pick GFP+ animals to maintain balanced line. Balanced mir-51 family mutant expressing a mirtron-version of mir-51. Heterozygotes are wild-type with pharyngeal GFP signal, and segregate wild-type GFP, arrested nT1[qIs51] aneuploids, and non-GFP mir-51 family homozygous mutants. Pick wild-type GFP+ and check for correct segregation of progeny to maintain. Non-GFP mir-51 family homozygous mutants rescued by mirtron-51 transgene are viable, but slow-growing and sick. Strain is derived from injection into parental strain MT17143. lucIs24 is a spontaneous integrant originating from a complex extra-chromosomal array, the genomic location of the transgene is unknown. Reference: Dexheimer, PJ, et al. Curr Biol. 2020. in press.

fsIs22 [osm-5p::fem-3::mCherry + unc-122p::GFP]. ljIs114 [gpa-13p?FLPase + sra-6p?FRT::mCherry::StopCodon::FRT?ChR2?YFP]. Him. Pan-ciliated masculinization with ChR2 specifically in ASH. Reference: Pechuk V., et al. 2022, Current Biology 32, 1–14. https://doi.org/10.1016/j.cub.2022.08.038