Search Strains

CRISPR allele of daf-16, tagged at the C-terminus with mNeptune2.5::AID*. Reference: Aghayeva U, et al. MicroPubl Biol. 2020 Jan 7;2020:10.17912/micropub.biology.000210. doi: 10.17912/micropub.biology.000210. PMID: 32550509

otDf1is a deletion obtained using Cas9-sgRNA ribonucleoprotein complex, following Dokshin et al, 2018 method removing ceh-41, ceh-21, T26C11.9, and ceh-39. 8968 bp deletion, from position -159 upstream ceh-39 ATG, to +1608 from ATG ceh-41 (+89 from STOP ceh-41).

GFP tag inserted at the C-terminus of the endogenous unc-42 locus by CRISPR. Allele generated by SUNY Biotech. Reference: Berghoff EG, et al. Elife. 2021 Jun 24;10:e64903. doi: 10.7554/eLife.64903. PMID: 34165428

GFP tag inserted at the C-terminus of the endogenous ceh-44 locus by CRISPR. Allele obtained using Cas9-sgRNA ribonucleoprotein complex, following Dokshin et al, 2018 method.

GFP tag inserted at the C-terminus of the endogenous ceh-49 locus by CRISPR. Allele obtained using Cas9-sgRNA ribonucleoprotein complex, following Dokshin et al, 2018 method.

Superficially wild-type.

otEx7476 [ceh-34(fosmid) + myo-3p::mCherry]. Pick mCherry+ to maintain. ot1014 is a CRISPR/Cas9-engineered allele removing the entire ceh-34 locus. ot1014 homozygotes arrest as L1 larvae. Reference: The enteric nervous system of C. elegans is specified by the Sine Oculis-like homeobox gene ceh-34. Vidal B, et al. bioRxiv 2021.11.30.470650; doi: https://doi.org/10.1101/2021.11.30.470650

Superficially wild-type. Insertion of GFP and FLAG tags directly before the stop codon of endogenous ceh-37 locus. Verified by sequencing. Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.

ot1028 = 80bp deletion on Exon 8 (first exon isoform A - isoform with CUT domains), leading to a frameshift and early stop codon in Exon 8 expected to affect only isoform A. Deletion coordinates: +9069 to +9148. Allele obtained using Cas9-sgRNA ribonucleoprotein complex, following Dokshin et al, 2018 method. ot1028 is molecularly identical to ot1031.

otEx7501 [pdfr-1::GFP::cla-1 + pdfr-1::tagRFP + rol-6(su1006)]. Pick Rollers to maintain. Presynaptic GFP::cla-1 reporter for pharyngeal I1 neurons. Reference: Cook SJ, et al. J Comp Neural. 2020 Nov 1;528(16):2767-2784. doi: 10.1002/cne.24932. PMID: 32352566.

otEx7505 [ceh-19p::GFP::cla-1 + ceh-19p::tagRFP + rol-6(su1006)]. Pick Rollers to maintain. Presynaptic GFP::cla-1 reporter for pharyngeal MC neurons. Reference: Cook SJ, et al. J Comp Neural. 2020 Nov 1;528(16):2767-2784. doi: 10.1002/cne.24932. PMID: 32352566.

Superficially wild-type.

Superficially wild-type.

Superficially wild-type.

Superficially wild-type.

Superficially wild-type. Insertion of GFP and FLAG tags directly before the stop codon of endogenous ceh-76 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-89 locus. Verified by sequencing. Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.

ot1065 is a CRISPR/Cas9-engineered allele removing the entire ceh-45 locus. Reference: Vidal B, et al. bioRxiv 2021.11.30.470650; doi: https://doi.org/10.1101/2021.11.30.470650

otIs785 [ceh-34p::GFP::CLA-1 + ceh-34p::TagRFP + rol-6(su1006)]. Rollers. Reference: The enteric nervous system of C. elegans is specified by the Sine Oculis-like homeobox gene ceh-34. Vidal B, et al. bioRxiv 2021.11.30.470650; doi: https://doi.org/10.1101/2021.11.30.470650

Superficially wild-type.

otIs796 [flp-12(promDEL3)::GFP + unc-122p::RFP] X. SMB is marked only with GFP, not red. Can be used to isolate SMB by FACS. Used by CeNGEN project for RNA-Seq (https://www.cengen.org/). This strain carries unc-122p::RFP as a co-injection marker labeling coelomocytes, which can bleed through the green channel; it is not known which red variant was used in the co-injection marker. Make sure the sorted green cells are also not red. Derived by integration of array originally generated in Kyuhyung Kim's lab.

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.

otIs810 [sto-3p::tagRFP + sto-3p::GFP::cla-1]. Reference: Reilly MB, et al. Widespread employment of conserved C. elegans homeobox genes in neuronal identity specification. bioRxiv 2022.04.29.490095; doi: https://doi.org/10.1101/2022.04.29.490095

Him. Insertion of GFP and FLAG tags directly before the stop codon of endogenous ceh-24 locus; verified by sequencing. Derived by crossing him-8 into parental strain PHX1608. Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.

otIs643 [npr-9::TagRFP + rol-6(su1006)] V. muEx261 [ceh-20::GFP + odr-1::RFP]. Pick RFP+ animals to maintain. Rollers.

otIs736 [cat-4p::mCherry + rol-6(su1006)]. evIs111 [F25B3.3::GFP + dpy-20(+)]. Rollers. Pan-neural GFP expression. The two HSN neurons are marked with both GFP and mCherry. Can be used to isolate HSN by FACS. Used by CeNGEN project for RNA-Seq (https://www.cengen.org/).

GFP tag inserted at the C-terminus of the endogenous ceh-48 locus by CRISPR. Allele obtained using Cas9-sgRNA ribonucleoprotein complex, following Dokshin et al, 2018 method. Reference: Leyva-Diaz E & Hobert O. Current Biol. 2022 Mar 3;S0960-9822(22)00262-7. PMID: 35259341

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.

otIs879 [sri-1p::NLS::GFP + pha-1(+)]. Reference: Reilly MB, et al. Widespread employment of conserved C. elegans homeobox genes in neuronal identity specification. bioRxiv 2022.04.29.490095; doi: https://doi.org/10.1101/2022.04.29.490095

ot1264 is a CRISPR deletion removing -10.8 kb to -1.8 kb before the first exon of ttx-1, made in the context of the ttx-1::GFP allele syb1679. Notably ttx-1 expression in RIB is lost, and RIB markers are off or dim. Reference: Reilly MB, et al. Widespread employment of conserved C. elegans homeobox genes in neuronal identity specification. bioRxiv 2022.04.29.490095; doi: https://doi.org/10.1101/2022.04.29.490095

GFP tag inserted at the N-terminus of the endogenous cone-1 locus by CRISPR. ot1015 is a GFP tag inserted at the C-terminus of the endogenous ceh-44 locus by CRISPR. ot1294 is a deletion removing intron 7 from the endogenously-tagged ceh-44 locus, which also removes the UNC-75 binding site. Normally broad, punctate expression of GFP::CEH-44 is not present. Please contact Oliver Hobert prior to publishing work using this strain.

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.

CRISPR reporter, substitution of SL2 for T2A. A broad nuclear expression begins around the Comma stage. Brighter expression with earlier initiation than T2A reporter. Expression becomes restricted to non-neuronal cells as animals mature to larval stages. Please contact Oliver Hobert prior to publishing work using this strain.

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.

CRISPR-engineered T2A::GFP::H2B insertion specifically tags isoform b.1 of the endogenous unc-25 locus. Him. Reference: Wang C, et al. Elife. 2024 Oct 18:13:RP95402. doi: 10.7554/eLife.95402. PMID: 39422452.

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.

otEx1076 [unc-47p(long)::lin-23cDNA(yk784a08) + rol-6(su1006) + pBS]. oxIs12 [unc-47p::GFP + lin-15(+)]. Maintain by picking Rollers.

mgIs18 [ttx-3p::GFP] IV. otIs35 [ttx-3p::kal-1 + rol-6(su1006)] X. otIs35 has been mapped to LG X between lon-2 and hst-6. Rollers. ttx-3p::GFP labels AIY interneurons. ot19 suppresses the branching phenotype of KAL-1 overexpression in AIY. hst-6(ot19) is closely linked to otIs35.

otEx1000 [hsp16-2::exc-4(cDNA)::GFP + rol-6(su1006)]. Maintain by picking Rollers.

otEx1131[unc-47::GFP + rol-6(su1006) + pBS]. oxIs12 [unc-47p::GFP + lin-15(+)]. Maintain by picking Rollers.

otEx1182[gst-44p::gst-44::GFP + rol-6(dom)]. Maintain by picking Rollers.

otEx1184 [exl-1p::exl-1::GFP + rol-6(su1006)]. Maintain by picking Rollers. Translational GFP fusion localizes to lysosomal membranes in the intestine and to the Golgi apparatus in neurons and muscle.

otEx1495 [sul-1::GFP + rol-6(su1006)]. Pick Rollers to maintain. GFP expression in hypodermis and AVL.

ntIs1 [gcy-5p::GFP + lin-15(+)] V; integration of adEx1262 [gcy-5p::GFP + lin-15(+)]. otIs151 [ceh-36p::RFP + rol-6(su1006)]. Rollers. Both ASEL and ASER show GFP expression from ntIs1.

otEx1765 [let-765::GFP + rol-6(su1006)]. Maintain by picking Rollers.

otEx1766 [let-765::GFP + rol-6(su1006)]. Maintain by picking Rollers.

otEx1768 [let-756::GFP + dpy-7::RFP + rol-6(su1006)]. Maintain by picking Rollers.

otEx1771[egl-15::GFP + dpy-7::RFP + rol-6(su1006)]. Maintain by picking Rollers.