Search Strains

otTi71 [UPN::lin-4::unc-54 3’UTR]. single copy insertion of panneuronally expressed lin-4 pri-miRNA. Reference: Sun H & Hobert O. Nature. 2021 Dec;600(7887):93-99. doi: 10.1038/s41586-021-04071-4. PMID: 34759317.

otSi2 [ges-1p::TIR1(F79G)::mRuby::unc-54 3'UTR + Cbr-unc-119(+) *ieSi61] II. Temperature-senstive daf(c): maintain at 15C. Intestine-specific TIR1 sequence in ieSi61 allele was edited to TIR1(F79G) using CRISPR/Cas9 to make it compatible with AID2. [TCC GTC GAG CTC AAG GGA AAG CCA CAC TTC] edited to [AGT GTC GAA TTG AAG GGA AAG CCA CAC GGA]. This strain can be used to deplete DAF-16 specifically from the intestine with the modified auxin 5-Ph-IAA. Constitutive dauer formation at 25 C due to daf-2(e1370). Reference: Sural S, et al. Sci Adv. 2025 Sep 26;11(39):eadw1270. doi: 10.1126/sciadv.adw1270. PMID: 40991693.

otIs904 [ges-1p::ins-1::tagRFP-T::SL2::GFP::his-44::tbb-2 3’ UTR + inx-6p18::tagRFP::unc-54 3' UTR] V. Transgene allows monitoring of the secretion of INS-1 neuropeptide from the intestine under different physiological conditions. The multicopy array was inserted at the oxTi553 landing site using the Fluorescent Landmark Interference (FLInt) method. Reference: Sural S, et al. Sci Adv. 2025 Sep 26;11(39):eadw1270. doi: 10.1126/sciadv.adw1270. PMID: 40991693.

otIs908 [pha-4(prom2)::TIR1(F79G)::mTur2::tbb-2 3'UTR + unc-122p::mCherry::unc-54 3' UTR] V. TIR1(F79G) expression in all 22 enteric neurons (20 pharyngeal neurons, AVL and DVB), RIS and PVT. The multicopy array was inserted at the oxTi553 landing site using the Fluorescent Landmark Interference (FLInt) method. Reference: Sural S, et al. Sci Adv. 2025 Sep 26;11(39):eadw1270. doi: 10.1126/sciadv.adw1270. PMID: 40991693.

otIs913 [pha-4(prom2)::daf-2(DN)::eBFP2::tbb-2 3’ UTR + unc-122p::mCherry::unc-54 3' UTR] V. daf-2(DN) encodes a dominant negative form of the DAF-2 protein, causing inhibition of the insulin receptor DAF-2. pha-4(prom2) drives expression of daf-2(DN) in all 22 enteric neurons (20 pharyngeal neurons, AVL and DVB), RIS and PVT. The multicopy array was inserted at the oxTi553 landing site using the Fluorescent Landmark Interference (FLInt) method. Reference: Sural S, et al. Sci Adv. 2025 Sep 26;11(39):eadw1270. doi: 10.1126/sciadv.adw1270. PMID: 40991693.

otSi2 [ges-1p::TIR1(F79G)::mRuby::unc-54 3'UTR + Cbr-unc-119(+) *ieSi61] II. Intestine-specific TIR1 sequence in ieSi61 allele was edited to TIR1(F79G) using CRISPR/Cas9 to make it compatible with AID2. [TCC GTC GAG CTC AAG GGA AAG CCA CAC TTC] edited to [AGT GTC GAA TTG AAG GGA AAG CCA CAC GGA]. This strain can be used to deplete DAF-16 specifically from the intestine with the modified auxin 5-Ph-IAA. Reference: Sural S, et al. Sci Adv. 2025 Sep 26;11(39):eadw1270. doi: 10.1126/sciadv.adw1270. PMID: 40991693.

otIs927 [ges-1p::nlp-40::tagRFP-T::SL2::GFP::his-44::tbb-2 3’ UTR + inx-6(prom18)::tagRFP-T::unc-54 3' UTR] V. Transgene allows monitoring of the secretion of NLP-40 neuropeptide from the intestine under different physiological conditions. The multicopy array was inserted at the oxTi553 landing site using the Fluorescent Landmark Interference (FLInt) method. Reference: Sural S, et al. Sci Adv. 2025 Sep 26;11(39):eadw1270. doi: 10.1126/sciadv.adw1270. PMID: 40991693.

otIs937 [ceh-19(prom2)::daf-2(DN)::eBFP2::SL2::tagRFP-T::tbb-2 3' UTR + unc-122p::GFP::unc-54 3' UTR] V. daf-2(DN) encodes a dominant negative form of the DAF-2 protein, causing inhibition of the insulin receptor DAF-2. daf-2(DN) encodes a dominant negative form of the DAF-2 protein, causing inhibition of the insulin receptor DAF-2. ceh-19(prom2) drives expression of daf-2(DN) specifically in the MC neurons in the pharyngeal nervous system. The multicopy array was inserted at the oxTi553 landing site using the Fluorescent Landmark Interference (FLInt) method. Reference: Sural S, et al. Sci Adv. 2025 Sep 26;11(39):eadw1270. doi: 10.1126/sciadv.adw1270. PMID: 40991693.

otIs942 [tph-1(prom5)::daf-2(DN)::eBFP2::SL2::tagRFP-T::tbb-2 3' UTR + unc-122p::GFP::unc-54 3' UTR] V. daf-2(DN) encodes a dominant negative form of the DAF-2 protein, causing inhibition of the insulin receptor DAF-2. daf-2(DN) encodes a dominant negative form of the DAF-2 protein, causing inhibition of the insulin receptor DAF-2. tph-1(prom5) drives expression of daf-2(DN) specifically in the NSM neurons. The multicopy array was inserted at the oxTi553 landing site using the Fluorescent Landmark Interference (FLInt) method. Reference: Sural S, et al. Sci Adv. 2025 Sep 26;11(39):eadw1270. doi: 10.1126/sciadv.adw1270. PMID: 40991693.

otEx2646 [ceh-36::GFP::unc-54 3' UTR + rol-6(su1006)]. Maintain by picking Rollers.

ieSi57 [eft-3p::TIR1::mRuby::unc-54 3'UTR + Cbr-unc-119(+)] II. Single copy transgene inserted into chromosome II (oxTi179) expressing modified Arabidopsis thaliana TIR1 tagged with mRuby in the soma. Endogenous osm-6 locus tagged with GFP and AID allows for inducible cilia disruption upon application of auxin. Reference: Varandas KC, et al. Nat Commun. 2025 Jan 2;16(1):79. doi: 10.1038/s41467-024-55674-0. PMID: 39747235.

dvIs15 [unc-54(vector) + mtl-2::GFP]. Control strain for OW1601. Phenotype apparently Wild-type. Parental strain CL2122 out-crossed 6x to N2. Reference: Koopman M, et al. MicroPubl Biol. 2023 Apr 19:2023:10.17912/micropub.biology.000766. doi: 10.17912/micropub.biology.000766. eCollection 2023. PMID: 37151213.

ccTi1594 [mex-5p::GFP::gpr-1::smu-1 3'UTR + Cbr-unc-119(+), III: 680195] III. hjSi20 [myo-2p::mCherry::unc-54 3'UTR] IV. GFP expression in germline. mCherry expression in pharynx. The ccTi1594 transgene rescues unc-119(ed3). High penetrance of non-Mendelian inheritance. The GPR-1 overexpression transgene consistently confers a high penetrance of non-Mendelian inheritance; fluorescent markers allow tracking of Mendelian and non-Mendelian events. The genomic location of ccTi1594 is with respect to the WEBcel235 assembly.

Heterozygotes are wild-type and should segregate wild-type (ccDf2620/unc-54(e1152) heterozygotes), Unc (unc-54(e1152) homozygotes), and ccDf2620 homozygotes (larval arrest around L1 stage). Maintain by picking heterozygotes and checking for proper segregation of progeny. ccDf2620 removes the rDNA repeats at the end of chromosome I. Reference: Cenik ES, et al. Dev Cell. 2019 Mar 25;48(6):811-826.e6. doi: 10.1016/j.devcel.2019.01.019. PMID: 30799226.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. Strain PD55 is transformed with plasmid pPD9.10 (which has a non-nuclear unc-54::lacZ fusion and a copy of the sup-7(st5) gene).

ccIs56 [sup-7(st5) +unc-54::lacZ] V. Non-nuclear unc-54::lacZ fusion expressed in nuclei and cytoplasm of body wall muscles.

feIs5 [sur-5p::luciferase::GFP + rol-6(su1006)] X. dvIs14 [(pCL12) unc-54::beta 1-42 + (pCL26) mtl-2::GFP]. Rollers. mtl-2::GFP produces strong constitutive intestinal expression of GFP at all developmental stages. Expresses human AB peptide and accumulates B-amyloid fibrils. AB toxicity enhanced at higher temperatures. Strain is bioluminescent when provided with exogenous D-luciferin (potassium salt) due to sur-5 promoter driving expression of firefly (Photinus pyralis) luciferase (lacking the peroxisome tagging signal) fused in-frame to GFP(S65C). Pick animals with high levels of fluorescence to retain expression of luciferase transgene. This strain is for academic use only. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects. References: Lagido C, et al. BMC Physiol. 2008 Apr 2;8:7. McLaggan D, et al. PLoS One. 2012;7(10):e46503. Lagido C, et al. Toxicol Sci. 2009 May;109(1):88-95.

feIs5 [sur-5p::luciferase::GFP + rol-6(su1006)] X. dvIs15 [(pPD30.38) unc-54(vector) + (pCL26) mtl-2::GFP]. Rollers. Strain is bioluminescent when provided with exogenous D-luciferin (potassium salt) due to sur-5 promoter driving expression of firefly (Photinus pyralis) luciferase (lacking the peroxisome tagging signal) fused in-frame to GFP(S65C). Pick animals with high levels of fluorescence to retain expression of luciferase transgene. This strain is for academic use only. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects. References: Lagido C, et al. BMC Physiol. 2008 Apr 2;8:7. McLaggan D, et al. PLoS One. 2012;7(10):e46503. Lagido C, et al. Toxicol Sci. 2009 May;109(1):88-95.

syb11029 is a replacement of the asp-1 locus, removing the entire coding sequence and inserting the myo-2p::mCherry reporter. Upstream flanking sequence: tccttcttccaggta. Downstream flanking sequence: gtaggaatggtgtttt. Guide sequences: Sg1:ccaggtaATGCAGACCTTCGTTT Sg2:TTCGCCACCGCCGTCCACAAGGG.

ieSi57 [eft-3p::TIR1::mRuby::unc-54 3'UTR + Cbr-unc-119(+)] II. GFP, AID*, 3xFLAG, and 3xGAS tags inserted into endogenous Y47D3A.21 locus. Reference: Sharma N, et al. bioRxiv [Preprint]. 2024 Jan 19:2024.01.16.575916. doi: 10.1101/2024.01.16.575916. PMID: 38293206.

ccIs55 [unc-54::lacZ + sup-7(st5)] V.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. Maintain at 25C.

ccIs55 [unc-54::lacZ + sup-7(st5)] V.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. Unc. Slow growing.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. Superficially wild-type. Resistant to PMA.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. Slow moving Kinkers. Slow growing.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. unc-68 channel null.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. Slow movement at 25C; might not curl like cha-1 typically does. Very slow movement at 20C. unc-68 channel null.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. Gain of function allele of pdk-1.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. Egl: moderate to severe bloating. Clr-1 is ts. Homozygous viable and fertile, but slow-growing, transparent, and small (but not scrawny). Coiler Unc.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. jIs1 [myo-3::GFP + rol-6(su1006)]. jIs1 likely maps to LGI, LGII, or LGX. Rollers; not all animals roll well.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. njEx38 [unc-54p::daf-2(+) + goa-1p::GFP + rol-6(su1006)]. Rollers. Pick Rollers to maintain. unc-43 gain-of-function. Progressive paralysis.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. Maintain at 15C. Small size and weak lacZ staining at 25C. daf-4 dauer defects are suppressed by daf-5, but not the small size.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. Small, not temperature sensitive. Good lacZ staining.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. Maintain at 15C. Temperature-sensitive; constitutive dauer formation at 25C.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. Maintain at 15C. Temperature-sensitive; constitutive dauer formation at 25C.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. Maintain at 15C. Temperature-sensitive; constitutive dauer formation at 25C. NOTE: m62 is an amber allele of daf-7, which is well suppressed by sup-7 in ccIs55 at 16C.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. Maintain at 15C. Constitutive dauer formation at 25C.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. Unc.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. Small body size. Slow growth. Strong lacZ staining in body wall.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. Small body size, slow growth. Strong lacZ staining in body wall.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. Small body size. Slow growth. Strong lacZ staining in body wall.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. Maintain at 15C. Leaky dauer constitutive -- ~95% dauer formation at 25C. Small body size at 20C. Strong lacZ staining in body wall at 15C; no staining at 25C.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. csEx52 [hsp::lin-45AA + sur-5::GFP]. Array is unstable; pick GFP+ to maintain. Severe Unc.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. csEx52 [hsp::lin-45AA + sur-5::GFP]. Array is unstable; pick GFP+ to maintain.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. Small. Unc. Most progeny shifted to 26C form dauers.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. Most progeny shifted to 26C form dauers. Some dauer formation at 20C.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. Most progeny shifted to 26C form dauers. Some dauer formation at 20C.

gaIs37 [EF1a::Dmek + hs::mpk-1] IV. ccIs55 [unc-54::lacZ + sup-7(st5)] V. Unc. MuV with some frequency at 25C. Low frequency of tail defects at all temps. Appear more Dpy at 25C than 15C.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. csEx52 [hsp::lin-45AA + sur-5::GFP]. Unc slow. Array is unstable, pick GFP+ to maintain.