Search Strains

Superficially wild-type. Insertion of GFP and FLAG tags directly before the stop codon of endogenous ceh-51 locus. Verified by sequencing. Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.

Superficially wild-type. Insertion of GFP and FLAG tags directly before the stop codon of endogenous tab-1 locus. Verified by sequencing. Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.

Superficially wild-type. Insertion of GFP and FLAG tags directly before the stop codon of endogenous ceh-5 locus. Verified by sequencing. Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.

Superficially wild-type. Insertion of GFP and FLAG tags directly before the stop codon of endogenous ceh-92 locus. Verified by sequencing. Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.

Superficially wild-type. Insertion of GFP and FLAG tags directly before the stop codon of endogenous ceh-8 locus. Verified by sequencing. Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.

Superficially wild-type. Insertion of GFP and FLAG tags directly before the stop codon of endogenous unc-4 locus. Verified by sequencing. Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.

Superficially wild-type. Insertion of GFP and FLAG tags directly before the stop codon of endogenous ttx-1 locus. Verified by sequencing. Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.

Endogenous ser-1 locus tagged with mNeonGreen. Inclusion of the T2A self-cleaving peptide allows mNeonGreen to be expressed as a cytosolic protein. Derived in N2 background. Reference: Dag U, et al. bioRxiv 2023.01.15.524132; doi: https://doi.org/10.1101/2023.01.15.524132.

A4e enhancer was deleted in endogenously-tagged cfi-1(kas16[mNG::AID*::cfi-1]). Expression of cfi-1::mNG::AID* is lost in VNC motor neurons. Reference: Li Y, et al. Elife. 2020 Oct 1;9:e59464. doi: 10.7554/eLife.59464. PMID: 33001031.

Endogenous mod-1 locus tagged with mNeonGreen. Inclusion of the T2A self-cleaving peptide allows mNeonGreen406 to be expressed as a cytosolic protein. Generated in N2 background. Reference: Dag U, et al. bioRxiv 2023.01.15.524132; doi: https://doi.org/10.1101/2023.01.15.524132.

Superficially wild-type. Insertion of GFP and FLAG tags directly before the stop codon of endogenous ceh-23 locus. Verified by sequencing. Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.

Eight COE motifs in A4e were mutated in endogenously-tagged cfi-1(kas16[mNG::AID*::cfi-1]). Expression of cfi-1::mNG::AID* is down-regulated in late larval stages and adults. Reference: Li Y, et al. Elife. 2020 Oct 1;9:e59464. doi: 10.7554/eLife.59464. PMID: 33001031.

Endogenous ser-4 locus tagged with mNeonGreen. Inclusion of the T2A self-cleaving peptide allows mNeonGreen406 to be expressed as a cytosolic protein. Generated in N2 background. Reference: Dag U, et al. bioRxiv 2023.01.15.524132; doi: https://doi.org/10.1101/2023.01.15.524132.

Endogenous ser-5 locus tagged with mNeonGreen. Inclusion of the T2A self-cleaving peptide allows mNeonGreen406 to be expressed as a cytosolic protein. Generated in N2 background. Reference: Dag U, et al. bioRxiv 2023.01.15.524132; doi: https://doi.org/10.1101/2023.01.15.524132.

Superficially wild-type. Insertion of GFP and FLAG tags directly before the stop codon of endogenous ceh-75 locus. Verified by sequencing. Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.

Endogenous ser-7 locus tagged with mNeonGreen. Inclusion of the T2A self-cleaving peptide allows mNeonGreen406 to be expressed as a cytosolic protein. Generated in N2 background. Reference: Dag U, et al. bioRxiv 2023.01.15.524132; doi: https://doi.org/10.1101/2023.01.15.524132.

Superficially wild-type. Insertion of GFP and FLAG tags directly before the stop codon of endogenous ceh-87 locus. Verified by sequencing. Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.

Endogenous locus tagged with mKate2 using CRISPR/Cas9. Enables visualisation of this secreted AMP in the cuticle upon genetic or physical cuticle damage. Reference: Pujol N & Bringmann H. 2025. microPublication Biology. A knock-in translational reporter for NLP-29 reveals AMP secretion to the apical extracellular matrices following epidermal damage in Caenorhabditis elegans. 10.17912/micropub.biology.001435.

3xHA::TurboID tag with GGCG linker sequence inserted at the N-terminus of the endogenous NHR-49 gene (long isoform c). Derived by out-crossing parental strain PHX10203. Reference: Tatge L & Douglas PM. MicroPubl Biol. 2025 Aug 1. doi: 10.17912/micropub.biology.001655.

syIs36 [(pLB2) egl-30(+) + pBS + (pMH86) dpy-20(+)]. Integrated version of syEx126 (egl-30 over-expressing line). Easily reverted. Do not distribute this strain; other labs should request it from the CGC.

syEx178 [hsp16.1::egl-5 + (pMH86) dpy-20(+) + pBS]. Heat-shock egl-5. Do not distribute this strain; other labs should request it from the CGC.

syEx1136 [myo-2p::GFP + unc-119(+)]. unc-119 animal rescued with array that expresses GFP in the pharyngeal muscles. Pick non-Unc animals to maintain the array. Highly outcrossed version of unc-119(ed3) generated by the Sternberg lab. Pick Unc animals for heavily outcrossed unc-119(ed3) to use for out-crossing biolistic insertions, mosSCI insertions or miniMos insertions based on unc-119 selection. Reference: Frokjær-Jensen C, et al. Nat Methods. 2012 Jan 30;9(2):117-8.

syEx1147 [des-2::DES-2::GFP + pha-1(+) + pBluescript KS(+)]. Maintain at 25C to select for presence of transgene. GFP reporter is driven by the promoter of the des-2/des-3 operon and is expressed in ALA, RID, PVD, FLP, IL2, PLM, PVC, and M1 muscles of the pharynx. This construct contains 3.4 kb of sequence upstream of the des-2 start ATG (Treinin et al., 1998) (Van Buskirk and Sternberg, 2010).

syEx1155 [myo-3p::tomm-20::mRFP::3xMyc + Cbr-unc-119(+)]. Maintain at 15C. Pick non-Unc to maintain array.

syEx1341 [ges-1p::fars-1(T412G)::fib-1::rps-16::GFP(S65C, SynIVS)::unc-54 3' UTR + myo-2p::DsRed::unc-54 3' UTR + pha-1(+) + pBluescript]. GFP expression in the intestine. Maintain at 25C and pick animals with red fluorescence in pharynx. Expresses a phenylalanyl-tRNA capable of tagging proteins with the non-canonical amino acid p-azido-L-phenylalanine in the intestine. Reference: Yuet KP, et al. Proc Natl Acad Sci U S A. 2015 Mar 3;112(9):2705-10.

syEx1342 [myo-2p::fars-1(T412G)::fib-1::rps-16::GFP(S65C, SynIVS)::unc-54 3' UTR + unc-122p::mCherry::unc-54 3' UTR + pha-1(+) + pBluescript]. GFP expression in the pharynx. Maintain at 25C and pick animals with red fluorescence in coelomocytes. Expresses a phenylalanyl-tRNA capable of tagging proteins with the non-canonical amino acid p-azido-L-phenylalanine in pharyngeal muscle. Reference: Yuet KP, et al. Proc Natl Acad Sci U S A. 2015 Mar 3;112(9):2705-10.

syEx1343 [myo-3p::fars-1(T412G)::fib-1::rps-16::GFP(S65C, SynIVS)::unc-54 3' UTR + myo-2p::DsRed::unc-54 3' UTR + pha-1(+) + pBluescript]. GFP expression in body wall muscle. Maintain at 25C and pick animals with red fluorescence in pharynx. Expresses a phenylalanyl-tRNA capable of tagging proteins with the non-canonical amino acid p-azido-L-phenylalanine in body wall muscle. Reference: Yuet KP, et al. Proc Natl Acad Sci U S A. 2015 Mar 3;112(9):2705-10.

syEx1344 [rab-3p::fars-1(T412G)::fib-1::rps-16::GFP(S65C, SynIVS)::unc-54 3' UTR + myo-2p::DsRed + pha-1(+) + pBluescript]. GFP expression in neurons. Maintain at 25C and pick animals with red fluorescence in pharynx. Expresses a phenylalanyl-tRNA capable of tagging proteins with the non-canonical amino acid p-azido-L-phenylalanine in neurons. Reference: Yuet KP, et al. Proc Natl Acad Sci U S A. 2015 Mar 3;112(9):2705-10.

syEx1539 [nhr-246p::GFP + unc-119(+)]. Pick non-Unc to maintain. Dauer decision marker that indicates commitment to dauer formation in intestine and hypodermis. Reference: Shih, PY, et al., Dev Biol. 2019 Jun 23. pii: S0012-1606(18)30788-7.

syEx1649 [nhr-246p::GFP + unc-122p::RFP]. Pick RFP+ (coelomocytes) to maintain. Dauer decision marker that indicates commitment to dauer formation in intestine and hypodermis. Reference: Shih, PY, et al., Dev Biol. 2019 Jun 23. pii: S0012-1606(18)30788-7.

syEx1708 [dat-1p::NLS::GAL4(sk)::VP64::let-858 3'UTR + unc-122p::RFP + 1kb DNA ladder (NEB)]. cGAL driver for dopaminergic neurons (CEP, ADE, PDE). syIs300 [15xUAS::(delta)pes-10::GFP::let-858 3'UTR + ttx-3p::RFP + 1kb DNA ladder(NEB)] is a GFP cGAL effector. Some worms do not express ttx-3p::RFP marker, but will consistently produce worms with the transgenic marker in next generation.

syEx1709 [arrd-16p::NLS::GAL4(sk)::VP64::let-858 3'UTR + unc-122p::RFP + 1kb DNA ladder (NEB)]. Pick animals with RFP expression in coelomocytes to maintain. cGAL driver for URY neurons. syIs300 [15xUAS::(delta)pes-10::GFP::let-858 3'UTR + ttx-3p::RFP + 1kb DNA ladder(NEB)] is a GFP cGAL effector. Some worms do not express ttx-3p::RFP marker, but will consistently produce worms with the transgenic marker in next generation.

syEx1711 [nlp-20p::NLS::GAL4(sk)::VP64::let-858 3'UTR + unc-122p::RFP + 1kb DNA ladder (NEB)]. cGAL driver for ALN and PLN neurons. syIs300 [15xUAS::(delta)pes-10::GFP::let-858 3'UTR + ttx-3p::RFP + 1kb DNA ladder(NEB)] is a GFP cGAL effector. Some worms do not express ttx-3p::RFP marker, but will consistently produce worms with transgenetic marker in next generation.

syEx1712[T09B9.5p::NLS::GAL4(sk)::VP64::let-858 3'UTR + unc-122p::RFP + 1kb DNA ladder (NEB)]. cGAL driver for ALN and PLN neurons. syIs300 [15xUAS::(delta)pes-10::GFP::let-858 3'UTR + ttx-3p::RFP + 1kb DNA ladder(NEB)] is a GFP cGAL effector. Some worms do not express ttx-3p::RFP marker, but will consistently produce worms with transgenetic marker in next generation.

syEx1714 [flp-11p::NLS::cGAL(DBD)::gp41-1-N-intein::let-858 3'UTR, seb-3p::NLS::gp41-1-C-intein::cGAL(AD)::let-858 3'UTR + unc-122p::RFP + 1kb DNA ladder (NEB)] split cGAL driver for OLL neurons. syIs300 [15xUAS::(delta)pes-10::GFP::let-858 3'UTR + ttx-3p::RFP + 1kb DNA ladder(NEB)] is a GFP cGAL effector. Some worms do not express ttx-3p::RFP marker, but will consistently produce worms with transgenetic marker in next generation.

syEx1718 [kcnl-4p::NLS::cGAL(DBD)::gp41-1-N-intein::let-858 3'UTR + F58F6.6p::NLS::gp41-1-C-intein::cGAL(AD)::let-858 3'UTR + unc-122p::RFP + 1kb DNA ladder (NEB)]. Pick animals with RFP expression in coelomocytes to maintain. Split cGAL driver for PHC neurons. syIs300 [15xUAS::(delta)pes-10::GFP::let-858 3'UTR + ttx-3p::RFP + 1kb DNA ladder(NEB)]. Some worms do not express ttx-3p::RFP marker, but will consistently produce worms with transgenetic marker in next generation. GFP cGAL effector.

syEx1719 [kcnl-4p::NLS::cGAL(DBD)::gp41-1-N-intein::let-858 3'UTR + Y48G10A.6p::NLS::gp41-1-C-intein::cGAL(AD)::let-858 3'UTR + unc-122p::RFP + 1kb DNA ladder (NEB)]. Pick animals with RFP expression in coelomocytes to maintain. Split cGAL driver for FLP and PVD neurons. syIs300 [15xUAS::(delta)pes-10::GFP::let-858 3'UTR + ttx-3p::RFP + 1kb DNA ladder(NEB)]. Some worms do not express ttx-3p::RFP marker, but will consistently produce worms with transgenetic marker in next generation. GFP cGAL effector.

Isolated at Devil's Lake State Park, Lincoln City, OR. Off a path about 200 feet from a dock in wet, organic topsoil in a forest.

Isolated at 2151 Bunker Ridge Road, Eugene, OR. From damp grass compost in a field.

Isolated in northwest Hendricks Park, Eugene, OR. From under rocks over damp, organic soil. Isolated from a snail.

Isolated in northwest Hendricks Park, northwest rhododendron garden, Eugene, OR. From under rocks over damp, organic soil. Isolated from a snail.

fxSi1 [pie-1p::TIR-1::mRuby::unc-54 3' UTR + loxP, I: 2851003] I. Degron tag was inserted into the endogenous spe-44 locus in the JU2526 wild isolate background, allowing auxin-inducible spermatogenesis arrest and reversible male sterility. Reference: Kasimatis, KR et al. (2020) Post-Insemination Selection Dominates Pre-Insemination Selection in Driving Male Competitive Ability. bioRxiv doi: https://doi.org/10.1101/2021.06.23.449605

fxIs1 [pie-1p::TIR1::mRuby, I:2851009] I. Auxin-inducible spermatogenesis arrest, resulting in hermaphrodite self-sterility. AID* tag was inserted into the endogenous spe-44 locus. Reference: Kasimatis KR, et al. (2018) Auxin-Mediated Sterility Induction System for Longevity and Mating Studies in Caenorhabditis elegans. BioRvix. doi: https://doi.org/10.1101/284232.

fxIs1 [pie-1p::TIR1::mRuby, I:2851009] I. Auxin-inducible spermatogenesis arrest, resulting in hermaphrodite self-sterility and reversible male sterility. Him: males produced at ~30%. AID* tag was inserted into the endogenous spe-44 locus. Reference: Kasimatis KR, et al. (2018) Auxin-Mediated Sterility Induction System for Longevity and Mating Studies in Caenorhabditis elegans. BioRvix. doi: https://doi.org/10.1101/284232.

fxSi1 [pie-1p::TIR-1::mRuby::unc-54 3' UTR + loxP, I: 2851003] I. fxSi4 [hsp-16.41p::PEEL-1::tbb-2 3'UTR + loxP, II: 8420157] II. fxSi6 [hsp-16.41p::PEEL-1::tbb-2 3' UTR + rpl-28p::mKate2::unc-54 3'UTR + rps-0p::HygR::unc-54 3' UTR, III: 10158855] III. Heat-shock strain can be maintained at 20C without any issues. Degron tag was inserted into the endogenous spe-44 locus, allowing auxin-inducible spermatogenesis arrest and reversible male sterility. Heat-shock-induced expression of PEEL-1 will cause lethality in both sexes. fxSi4 was originally inserted in a CB4845 background, but has been sufficiently backcrossed so that PX658 is >98.5% JU2526 genetic background. Reference: Kasimatis, KR. et al. (2021) Post-Insemination Selection Dominates Pre-Insemination Selection in Driving Male Competitive Ability. bioRxiv doi: https://doi.org/10.1101/2021.06.23.449605

ytEx100 [mel-47(3245 bp rescuing fragment) + rol-6(su1006)]. Maintain by picking Rollers. Animals which have lost the transgene look wt but are fully penetrant Mel. Mutant embryos arrest with less than 100 cells.

Male-female strain. Isolated by M. Rockman from rotting tomatoes in New Jersey, USA, July 2007. NOTE: To freeze this strain, heat shock at 37°C for 1 hr and add CaCl2 2mM in freezing solution.

C. elegans wild isolate. Reference: Andersen EC, et al. Nat Genet. 2012 Jan 29;44(3):285-90.

C. elegans wild isolate. Reference: Andersen EC, et al. Nat Genet. 2012 Jan 29;44(3):285-90.

Nonsense allele of peel-1 carried in Utah isolate EG4348 crossed into N2 Bristol background. Reference: Seidel HS et al. PLoS Biol. 2011 Jul;9(7):e1001115.