Search Strains

zdIs13 [tph-1p::GFP] IV. armEx252 [dpy-7p::pak-1::tagRFP + myo-2::GFP]. Pick animals with GFP+ pharynx to maintain. armEx252 rescues the pak-1(ok448) HSN under-migration phenotype. pak-1::tagRFP is expressed in the hypodermal tissue throughout development and adulthood. Reference: Kennedy LM, et al. Cell Rep. 2013 Sep 12;4(5):996-1009.

zdIs13 [tph-1p::GFP] IV. armEx257 [dpy-7p::daf-16b::tagRFP + myo-2::GFP]. Pick animals with GFP+ pharynx to maintain. armEx257 rescues the daf-16(mu86) HSN undermigration phenotype. dpy-7p::daf-16b::tagRFP expression is localized to nuclei in hypodermal tissue during the comma, 1.5 and 2-fold stages, becoming cytoplasmic or perinuclear by the 3-fold stage and persisting into adulthood. Reference: Kennedy LM, et al. Cell Rep. 2013 Sep 12;4(5):996-1009.

wpIs36 [unc-47p::mCherry] I. sosIs5 [rab-3p::Cerulean-Venus::lgg-1 + unc-119(+)].

wpIs36 [unc-47p::mCherry] I. sosIs5 [rab-3p::Cerulean-Venus::lgg-1 + unc-119(+)]. Paralyzed Unc.

wpIs36 [unc-47p::mCherry] I. sosIs5 [rab-3p::Cerulean-Venus::lgg-1 + unc-119(+)]. Unc; almost paralyzed. Growth slow.

ljfSi33 [myo3p::egl-17::mNG::SL2::2x mKate2::PH::3xHA::tbb-2 3'UTR loxN] I. ljfSi10 [hlh-8p::2x mTurquoise2::PH::tbb-2 3'UTR loxN] II. egl-17(ljf14) was generated by replacing the endogenous egl-17 coding sequence with mNG::3xFlag. Sex myoblast migration defects, Egl. EGL-17::mNG expression in body wall muscles. mTurquoise2::PH plasma membrane marker that is expressed in the M lineage. ljfSi33 is a single copy transgene inserted at Chr I:2851088, near ttTi4348. ljfSi10 was inserted at Chr II:8420157-8420243, near ttTi5605, using Cas9-triggered homologous recombination. Reference: Gibney TV & Pani AM. Development. 2025 Aug 21:dev.204802. doi: 10.1242/dev.204802. PMID: 40838367.

ljfSi32 [egl-20 enhancer(-1261 – 610)::pes-10p::egl-17::mNG::SL2::2x mKate2::PH::3xHA::tbb-2 3'UTR loxN]) I. ljfSi10 [hlh-8p::2x mTurquoise2::PH::tbb-2 3'UTR loxN] II. Sex myoblast migration defects, Egl. EGL-17::mNG expression in a small number of posterior cells leads to posterior sex myoblast migration in hermaphrodites. egl-17(ljf14) was generated by replacing the endogenous egl-17 coding sequence with mNG::3xFlag. ljfSi32 is a single copy transgene inserted at Chr I:2851088, near ttTi4348. Reference: Gibney TV & Pani AM. Development. 2025 Aug 21:dev.204802. doi: 10.1242/dev.204802. PMID: 40838367.

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.]

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.

dbEx722 [flp-17p::tax-2(cDNA)::SL2::GFP + lin-15(+)]. Pick non-Muv to maintain. Array rescues tax-2 in BAG. Reference: Bretscher AJ, et al. Neuron. 2011 Mar 24;69(6):1099-113.

dbEx725 [gcy-8p::tax-2(cDNA)::SL2::GFP + gcy-32p::tax-2(cDNA)::SL2::GFP+ flp-17p::tax-2(cDNA)::SL2::GFP + flp-6p::tax-2(cDNA)::SL2::GFP + lin-15(+)]. Pick non-Muv to maintain. Array rescues tax-2 in AFD, AQR, PQR, URX, BAG, and ASE. Reference: Bretscher AJ, et al. Neuron. 2011 Mar 24;69(6):1099-113.

bqSi536 [hsp16.41p::FRT::mCherry::his-58::FRT::dam::baf-1 + unc-119(+)] II. bqSi548 [dpy-7p::FLP + unc-119(+)] IV. Single-copy Dam::baf-1 and dpy-7p::FLP MosSCI transgenes for identifying DNA contacts of BAF-1 in hypodermal nuclei by DamID. Might still carry unc-119(ed3) or unc-119(ed9) in background. Reference: Romero-Bueno R, et al. EMBO J. 43(22): 5718-5746. doi: 10.1038/s44318-024-00261-8. PMID: 39367234.

bqSi777 [hsp16.41p::FRT::mCherry::his-58::FRT::dam::baf-1(G12T) + unc-119(+)] II. bqSi548 [dpy-7p::FLP + unc-119(+)] IV. Single-copy Dam::baf-1(G12T) and dpy-7p::FLP MosSCI transgenes for identifying DNA contacts of BAF-1(G12T) in hypodermal nuclei in baf-1(G12T) mutant background by DamID. Reference: Romero-Bueno R, et al. EMBO J. 43(22): 5718-5746. doi: 10.1038/s44318-024-00261-8. PMID: 39367234.

bqSi1030 [hsp16.41p::FRT::mCherry::his-58::FRT::vhhGFP4::zif-1 + unc-119(+)] II. bqSi548 [dpy-7p::FLP + unc-119(+)] IV. Can be used for conditional depletion of GFP-tagged proteins in the hypodermis via anti-GFP nanobody fusion to ZIF1 (mediated by recruited ZIF-1 but NOT requiring ZF1 tags). Mechanism features heat-shock inactive ZIF-1 with FRT sites flanking inactivating sequence and hypodermal-specific expression of Cre to remove inactivating sequences to free vhhGFP4::zif-1 GFP degradation. May carry unc-119(ed3) III. Reference: Fragoso-Luna A, et al. 2021 bioRxiv 2021.12.21.473632; doi: https://doi.org/10.1101/2021.12.21.473632

bqSi1411 [hsp16.41p::FRT::mCherry::his-58::FRT::dam::rpb-6 + unc-119(+)] II. bqSi548 [dpy-7p::FLP + unc-119(+)] IV. Single-copy Dam::rpb-6 and dpy-7p::FLP MosSCI transgenes for for transcriptome analysis in hypodermal nuclei using RNA polymerase DamID. Might still carry unc-119(ed3) or unc-119(ed9) in background. Reference: Fragoso-Luna A, et al. Genetics. 223(1). doi: 10.1093/genetics/iyac166. PMID: 36321973.

bqSi1411 [hsp16.41p::FRT::mCh::his-58::FRT::dam::rpb-6 + unc-119(+)] II. bqSi997 [nhx-2p::FLP::SL2::mNG + unc-119(+)] IV. Single-copy Dam::rpb-6 and dpy-7p::FLP MosSCI transgenes for transcriptome analysis in hypodermal nuclei using RNA polymerase DamID. Might still carry unc-119(ed3) or unc-119(ed9) in background. Reference: Romero-Bueno R, et al. EMBO J. 43(22): 5718-5746. doi: 10.1038/s44318-024-00261-8. PMID: 39367234.

bqSi294 [hsp16.41p::FRT::mCherry::his-58::FRT::GFP::his-58 + unc-119(+)] II; bqSi487 [mec-7p::FLP D5 + unc-119(+)] IV. Heat shock produces green nuclei in mechanosensory neurons and red nuclei elsewhere.

bqSi294 [hsp16.41p::FRT::mCherry::his-58::FRT::GFP::his-58 + unc-119(+)] II; bqSi542 [unc-47p::FLP D5 + unc-119(+)] IV. Heat shock produces green nuclei in GABAergic motor neurons and red nuclei elsewhere.

bqSi294 [hsp16.41p::FRT::mCherry::his-58::FRT::GFP::his-58 + unc-119(+)] II; bqSi548 [dpy-7p::FLP + unc-119(+)] IV. Heat shock produces green nuclei in the hypodermal cell lineage and red nuclei elsewhere.

bqSi447 [hsp16.41p::FRT::mCherry::his-58::FRT::GFP::dam + unc-119(+)] II. bqSi548 [dpy-7p::FLP + unc-119(+)] IV. Single-copy GFP::Dam and dpy-7p::FLP MosSCI transgenes for detection of protein-DNA contacts in hypodermal nuclei by DamID. Might still carry unc-119(ed3) or unc-119(ed9) in background. Reference: Fragoso-Luna A, et al. Genetics. 223(1). doi: 10.1093/genetics/iyac166. PMID: 36321973.

bqSi640 [dpy-7p::FRT::mCherry::his-58::FRT::GFP::his-58 + unc-119(+)] II; bqSi470 [hsp-16.41p::FLAG::NLS::FLP D5 + unc-119(+)] IV. Expression of red and green histones in hypodermal lineage before and after heat shock, respectively.

byIs162 [rab-3p::F3(delta)K280 I277P I308P + myo-2p::mCherry]. Pan-neuronal over-expression of the F3 pro aggregation fragment of the human Tau protein with K280 deleted and two isoleucines to proline substitutions in the hexapeptide motifs of the repeat region (line A). These mutations abrogate the aggregation, making this strain an anti-aggregation control for BR5270. Reference: Fatouros C, et al. Hum Mol Genet. 2012 Aug 15;21(16):3587-603. PMID: 22611162.

byIs162 [rab-3p::F3(delta)K280(I277P)(I308P) + myo-2p::mCherry]. bkIs10 [aex-3p::h4R1NtauV337M + myo-2p::GFP]. Strain co-expressing the F3(delta)K280 anti-aggregation Tau fragment (with two I to P substitutions) and full-length Tau in all neurons. Red and green fluorescence in the pharynx due to the co-injection markers. The F3/2P fragment is not able to nucleate aggregation of full length Tau. bkIs10 contains an integrated transgene encoding the 1N4R isoforms of human tau with the 337M FTDP-17 mutation. Expression is driven by the pan-neuronal promoter aex-3. Over-expression of this transgene results in a pronounced Unc phenotype. Reference: Fatouros C, et al. Hum Mol Genet. 2012 Aug 15;21(16):3587-603.

byIs194 [rab-3p::F3(delta)K280 I277P I308P + myo-2p::mCherry]. bkIs10 [aex-3p::hTau V337M + myo-2p::GFP]. Tau anti-aggregation double transgenic line generated by crossing byIs194 x bkIs10. Normal locomotion. Reference: Fatouros C, et al. Hum Mol Genet. 2012 Aug 15;21(16):3587-603. PMID: 22611162.

byIs194 [rab-3p::F3(delta)K280 I277P I308P + myo-2p::mCherry]. Pan-neuronal over-expression of the F3 pro aggregation fragment of the human Tau protein with K280 deleted and two isoleucines to proline substitutions in the hexapeptide motifs of the repeat region (line B). These mutations abrogate the aggregation, making this strain an anti-aggregation control for BR5270. Reference: Fatouros C, et al. Hum Mol Genet. 2012 Aug 15;21(16):3587-603. PMID: 22611162.

nIs590 [fat-7p::fat-7::GFP + lin15(+)] V. Temperature sensitive dauer constitutive. Maintain at 15C. 100% dauers at 25C. 15% dauer formation at 20C. Long-lived. Reference: Heimbucher T, et al. Nat Commun. 2020 Oct 2;11(1):4627. doi: 10.1038/s41467-020-18369-w. PMID: 33009389.

nIs590 [fat-7p::fat-7::GFP + lin15(+)] V. Temperature sensitive dauer constitutive. Maintain at 15C. 100% dauers at 25C. 15% dauer formation at 20C. Long-lived. Reference: Heimbucher T, et al. Nat Commun. 2020 Oct 2;11(1):4627. doi: 10.1038/s41467-020-18369-w. PMID: 33009389.

crEx498 [dpy-14p::ptr-15(+) + sur-5p::GFP]. Pick animals with nuclear GFP throughout body to maintain. Lethal ptr-15 deletion allele marked with pharyngeal GFP [loxP ::myo-2p::GFP::unc-54 3’UTR + rps-27p::neoR::unc-54 3’UTR::loxP]; lethality rescued by hypodermal expression of PTR-15 form crEx498 array. Non-nuclear GFP animals (only pharyngeal expression) will be dead eggs and dead hatchlings. Derived from parental strain VC4151. References: O’Rourke et al. (in revision 2024).

muIs32 [mec-7p::GFP + lin-15(+)]. QL descendants migrate anteriorly; defects in HSN migration, male tail formation and PLM axon outgrowth. Egl. Unc. Pvl. Weak Dpy.

muIs32 [mec-7p::GFP + lin-15(+)]. QL descendants migrate anteriorly.

muEx304 [lys-7p::RFP(NLS) + rol-6(su1006)]. Pick Rollers to maintain. Reference: Zhang P, et al. Cell Metab. 2013 Jan 8;17(1):85-100.

muEx312 [dod-17p::RFP(NLS) + rol-6(su1006)]. Pick Rollers to maintain. Reference: Zhang P, et al. Cell Metab. 2013 Jan 8;17(1):85-100.

muIs32 [mec-7p::GFP + lin-15(+)]. Superficially wild-type. Reference: Ch'ng, Q et al. (2003) Geneteics 164:1355-67.

tmIs1240 [myo-2p::venus, X: F23D12.4] X. Nuclear mScarlet-I fused to a PEST was inserted in place of the endogenous let-7 pre-miRNA via CRISPR/CAS9. Heterozygotes are wild-type GFP+ mScarlet+ and segregate wild-type GFP+ mScarlet+ heterozygotes, mScarlet+ non-GFP dead larvae (umn45 homozygotes) and Mec(Unc) non-mScarlet GFP+ (tmC24 homozygotes). Maintain by picking wild-type GFP+ mScarlet+. Left Flanking: GCAAGCAGGCGATTGGTGGACGGTC, Right Flanking: AGCTGCGTCGTCTTGCTCTCACAAc. sgRNA: AAAATTGCATAGTTCACCGG.

Deletion of mir-787 pre-miRNA. A cassette containing mScarlet-I and an SEC flanked by lox2272 was introduced into the mir-787 loci using CRISPR/Cas9. This line was generated by excising mScarlet-I and the SEC leaving a SL1::EGL13NLS::lox2272 scar.

mScarlet replacement of mir-787 pre-miRNA. A cassette containing mScarlet-I and an SEC flanked by lox2272 was introduced into the mir-787 loci using CRISPR/Cas9. This line was generated by excising SEC leaving the SL1::EGL13NLS::mScarlet-I::cMycNLS::let-858 3' UTR transcriptional reporter in the loci.

Homozygous viable. Deletion of 745 bp with Calarco/Colaiacovo selection cassette conferring myo-2::GFP and G418 resistance inserted at break in parental strain N2. Left flanking Sequence: tgtacccccgatgggattcgaacctgtggc ; Right flanking sequence: gggtatgcaaaatgaccgcgttttctgtga. Please reference Au et al., G3 9(1): 135-144 2019 in any work resulting from use of this mutation.

Homozygous viable. Deletion of 1004 bp with Calarco/Colaiacovo selection cassette conferring myo-2 GFP and G418 resistance inserted at break in parental strain N2. Left flanking Sequence: ttgttctggtttaaagccgcaaagtcttgg ; Right flanking sequence: agggtaccatcaagcaatggcattctggtt. Please reference Au et al., G3 9(1): 135-144 2019 in any work resulting from use of this mutation.

Homozygous viable. Deletion of 917 bp with Calarco/Colaiacovo selection cassette conferring myo-2 GFP and G418 resistance inserted at break in parental strain N2. Left flanking Sequence: CATGTACTCCCCTATATCTTCCAAACATTC ; Right flanking sequence: TGGACATCTTGGAGCACTTTCTGTGATTCT. Please reference Au et al., G3 9(1): 135-144 2019 in any work resulting from use of this mutation.

Homozygous viable. Deletion of 280 bp with Calarco/Colaiacovo selection cassette conferring myo-2 GFP and G418 resistance inserted at break in parental strain N2. Left flanking Sequence: AAGGCGTCATCTGGAGAGAAGAACGAAgtg ; Right flanking sequence: CGGACACTTGTGCTTCACCAACTTGATCGC. Please reference Au et al., G3 9(1): 135-144 2019 in any work resulting from use of this mutation.

Homozygous viable. Deletion of 842 bp with Calarco/Colaiacovo selection cassette conferring myo-2 GFP and G418 resistance inserted at break in parental strain N2. Left flanking Sequence: TATTTGGTATCATTTTTCTAGCCGACTTTC ; Right flanking sequence: TGGACTTGTTTTCACTCATCCCTGTACCGA. Please reference Au et al., G3 9(1): 135-144 2019 in any work resulting from use of this mutation.

Homozygous viable. Deletion of 1123 bp with Calarco/Colaiacovo selection cassette conferring myo-2 GFP and G418 resistance inserted at break in parental strain N2. Left flanking Sequence: aaaaatcaactatttttaatgaaaatttca ; Right flanking sequence: TGGTCACTTTACCTGCGTTGATATTCATGT. Please reference Au et al., G3 9(1): 135-144 2019 in any work resulting from use of this mutation.

Homozgous viable. Deletion of 1171 bp with Calarco/Colaiacovo selection cassette conferring myo-2 GFP and G418 resistance inserted at break in parental strain N2. Left flanking Sequence: acaatttacattaacttttcattatttcag ; Right flanking sequence: tggatgtgcattttttcgctgctcactctt. Please reference Au et al., G3 9(1): 135-144 2019 in any work resulting from use of this mutation.

twnEx8 (mec-7p::tomm20::mCherry + myo-2p::GFP). Punctate mCherry signals denote mitochondria in six touch neurons. Pick animals GFP+ in the pharynx to maintain. Reference: Jiang HC, et al. Proc Natl Acad Sci U S A. 2015 Jul 14;112(28):8768-73.

twnEx185 [mec-7p::MTS::roGFP + mec-7p::TOMM20::mCherry + ttx-3p::GFP]. Pick animals with GFP expression in head neurons (AIY) to maintain. roGFP can be used to monitor redox status of the mitochondrial matrix in the six touch receptor neurons: the oxidation-reduction status of mitochondrial matrix can be monitored with roGFP, a GFP variant that increases brightness in a more oxidized environment. The mitochondrial outer membrane in these neurons are marked by mCherry. Reference: Jiang HC, et al. Proc Natl Acad Sci USA. 2015 Jul 14;112(28):8768-73. doi: 10.1073/pnas.1501831112. PMID: 26124107. [NOTE: twnEx185 is incorrectly described as carrying myo-2p::GFP in the reference publication. The correct co-injection marker is ttx-3::GFP.]

bvIs5 [cyp-35B1p::GFP + gcy-7p::GFP]. Little or no GFP expression in adults. GFP expressed in intestine of dauers. Reference: Iser WB, et al. PLoS One. 2011 Mar 9;6(3):e17369.

bvIs6 [cat-4p::GFP + gcy-7p::GFP]. GFP localized to intestine, neurons and hypodermis in adults. GFP localized to neurons and seam cells in dauers. Reference: Iser WB, et al. PLoS One. 2011 Mar 9;6(3):e17369.

rexIs1 [hsp-16p::halo::TEV::Keap1 + mec-7p::mRFP]. Constitutive red fluorescence in touch-receptor neurons. Heat-shock promoter drives expression of Halo protein with TEV recognition site for the tobacco etch virus protease and human Keap1 protein (an established RES sensor). No phenotypic change upon heat-shock (37°C). Integrated into N2 background; insertion site not known. Reference: Long MJC, et al. Biochemistry. 2017 Sep 12. doi: 10.1021/acs.biochem.7b00642.

rexEx7 [gpa-4p::gfp::halo + mec-7p::mRFP]. Pick fluorescent worms to maintain. Constitutive red fluorescence in touch-receptor neurons. Green fluorescence in two ASI neurons.

rexEx8 [sur-5p::GFP::halo + mec-7p::mRFP]. Pick fluorescent worms to maintain. Constitutive red fluorescence in touch-receptor neurons. Green fluorescence in somatic cells.