Search Strains

cpIs91 [lag-2p::2xmKate2::PLCdeltaPH::3xHA::tbb-2 3'UTR LoxN] II.  mNeonGreen tag inserted into C-terminus of endogenous ucr-2.1 locus. lag-2 driven red plasma membrane marker.

cpIs91 [lag-2p::2xmKate2::PLCdeltaPH::3xHA::tbb-2 3'UTR LoxN] II.  mNeonGreen tag inserted into C-terminus of endogenous nduv-2 locus. lag-2 driven red plasma membrane marker.

cpIs91 [lag-2p::2xmKate2::PLCdeltaPH::3xHA::tbb-2 3'UTR LoxN] II.  mNeonGreen tag inserted into C-terminus of endogenous crls-1 locus. lag-2 driven red plasma membrane marker.

qySi296 [eef-1A.1p::SL2::HYlight::tbb-2 3'UTR] I. Ubiquitous somatic expression of glycolysis ratiometric biosensor HYlight inserted into ttTi4348 mosSCI site (I:-5.32) using CRISPR/Cas9-mediated recombination.

qySi312 [eef-1A.1p::SL2::HYlight-RA::tbb-2 3'UTR] I. Ubiquitous somatic expression of glycolysis ratiometric biosensor Hylight-reduced affinity (RA) control inserted into ttTi4348 mosSCI site (I:-5.32) using CRISPR/Cas9-mediated recombination.

qySi313 [lin-29p::ucp-4::SL2::mKate2::PLC(delta)PH::3xHA::tbb-2 3'UTR] I. qyIs629 [eef-1A.1p::PercevalHR::unc-54 3'UTR + unc-119(+)]. Ubiquitous somatic expression of ratiometric ATP:ADP biosensor PercevalHR. Anchor cell specific overexpression of mitochondrial uncoupling protein, UCP-4, (expression confirmed by presence of red anchor cell membrane). qySi313 inserted into ttTi4348 mosSCI site (I:-5.32) using CRISPR/Cas9-mediated recombination.

jsSi1900 [loxP::cup-4p::FRT::cyOFP::tbb-2 3' + mex-5p::FLP::D5::glh-2 3' FRT3] II. Reference: Nonet ML. Rapid generation of C. elegans single copy transgenes combining RMCE and drug selection. bioRxiv 2023.03.05.531207; doi: https://doi.org/10.1101/2023.03.05.531207

jsSi1988 [loxP + cup-4p::FRT::cyOFP::tbb-2 3' + mex-5p::FLP::D5::glh-2 3' + FRT3] IV. Reference: Nonet ML. Rapid generation of C. elegans single copy transgenes combining RMCE and drug selection. bioRxiv 2023.03.05.531207; doi: https://doi.org/10.1101/2023.03.05.531207

jsSi1949 [loxP + myo-2p::FRT::nls::mNG myo-2 3' + <{rps-0p HygR unc-54 3'} ori <{Amp} <{mex-5p nls-Cre tbb-2 3'} + FRT3] II. Him. Reference: Nonet ML. Rapid generation of C. elegans single copy transgenes combining RMCE and drug selection. bioRxiv 2023.03.05.531207; doi: https://doi.org/10.1101/2023.03.05.531207

jsSi1973 [mosL + loxP + myo-2p::FRT::nls::mNG::myo-2 3' + <{rps-0p::HygR::unc-54 3'} + ori <{Amp} <{mex-5p::nls::Cre::tbb-2 3'} + FRT3 + mosR] I. Him. Reference: Nonet ML. Rapid generation of C. elegans single copy transgenes combining RMCE and drug selection. bioRxiv 2023.03.05.531207; doi: https://doi.org/10.1101/2023.03.05.531207

jsSi2029 [loxP::myo-2p::FRT::Scarlet 2x::tbb-2 3' + rps-0p::hygR::unc-54 3' + mex-5p::nls::Cre::glh-2 3' + FRT3] IV. Reference: Nonet ML. Rapid generation of C. elegans single copy transgenes combining RMCE and drug selection. bioRxiv 2023.03.05.531207; doi: https://doi.org/10.1101/2023.03.05.531207

jsSi2049 [loxP::myo-2p::FRT::Scarlet 2x::tbb-2 3' + rps-0p::hygR::unc-54 3' + ori <{Amp} mex-5p::nls::Cre::glh-2 3' + FRT3] V. Reference: Nonet ML. Rapid generation of C. elegans single copy transgenes combining RMCE and drug selection. bioRxiv 2023.03.05.531207; doi: https://doi.org/10.1101/2023.03.05.531207

jsSi2027 [loxP::myo-2p::FRT::Scarlet 2x::tbb-2 3' + rps-0p::hygR::unc-54 3' + ori <{Amp} + mex-5p::nls::Cre::glh-2 3' + FRT3] II. Him. Reference: Nonet ML. Rapid generation of C. elegans single copy transgenes combining RMCE and drug selection. bioRxiv 2023.03.05.531207; doi: https://doi.org/10.1101/2023.03.05.531207

ocfSi1 [mex-5p::Dendra2::his-58/66::tbb-2 3'UTR + unc-119(+)] I. Dendra2::histone H2B expression in the germline and embryos. The H2B coding sequence is identical to genes his-58 and his-66. Made by MosSCI insertion into ttTi4348 on LG I. Reference: Rosu S & Cohen-Fix O. Dev Biol. 2017 Mar 15;423(2):93-100.

ltSi539 [dlg-1p(delta)7::mCherry::his-72::unc-54 3’UTR + cnd-1p::mCherry::his-72::unc-54 3’UTR + Cbr-unc-119(+)] II. ltSi507 [hlh-1p::GFP::his-72::tbb-2 3’UTR + hlh-1p::mCherry::his-72::tbb-2 3’UTR +Cbr-unc-119(+)] IV. stIs10389 [pha-4::TGF(3E3)::GFP::TY1::3xFLAG inserted into fosmid WRM0617dE06 as C-terminal protein fusion]. During embryogenesis, ectoderm fluoresces red, mesoderm fluoresces yellow, and endoderm/pharynx fluoresces green. Reference: Wang S, et al. Development. 2019 Apr 11;146(7):dev174029. doi: 10.1242/dev.174029. PMID: 30890570.

ltSi910 [elt-2p::vhhGFP4::zif-1::operon-linker::mCherry::his-11::tbb-2 3'UTR + Cbr-unc-119(+)] II. Intestinal-specific expression of anti-GFP nanobody fused to ZIF-1 mediates intestine-specific degradation of GFP-tagged proteins (mediated by recruited ZIF-1 but NOT requiring ZF1 tags). Can be combined with endogenous locus GFP-tagging or rescue of a null mutant with a GFP fusion to examine intestine-specific functions of target genes. Reference: Wang S, et al. Development. 2017 Jun 15. pii: dev.150094. doi: 10.1242/dev.150094.

ltSi912 [myo-3p::vhhGFP4::zif-1::operon-linker::mCherry::his-11::tbb-2 3'UTR + Cbr-unc-119(+)] II. Muscle-specific expression of anti-GFP nanobody fused to ZIF-1 mediates body wall muscle-specific degradation of GFP-tagged proteins (through recruited ZIF-1 but NOT requiring ZF1 tags). Can be combined with endogenous locus GFP-tagging or rescue of a null mutant with a GFP fusion to examine body wall muscle-specific functions of target genes. Reference: Wang S, et al. Development. 2017 Jun 15. pii: dev.150094. doi: 10.1242/dev.150094.

ltSi914 [osm-6p::vhhGFP4::zif-1::operon-linker::mCherry::his-11::tbb-2 3'UTR + Cbr-unc-119(+)] II. Sensory neuron-specific expression of anti-GFP nanobody fused to ZIF-1 mediates sensory neuron-specific degradation of GFP-tagged proteins (through recruited ZIF-1 but NOT requiring ZF1 tags). Can be combined with endogenous locus GFP-tagging or rescue of a null mutant with a GFP fusion to examine sensory neuron-specific functions of target genes. Reference: Wang S, et al.  Development. 2017 Jun 15. pii: dev.150094. doi: 10.1242/dev.150094.

ltSi915 [osm-6p::zif-1::operon-linker::mCherry::histone::tbb-2 3'UTR + Cbr-unc-119(+)] II. This strain provides a sensory neuron-specific source of ZIF-1 alone and serves as a control strain for OD2772, which mediates ciliated sensory neuron-specific degradation of GFP-tagged proteins. It can also be used as source of sensory-specific ZIF-1 for other applications. Superficially wild type. Reference: Wang S, et al. Development. 2017 Jun 15. pii: dev.150094. doi: 10.1242/dev.150094.

ltSi953 [mec-18p::vhhGFP4::zif-1::operon-linker::mKate::tbb-2 3'UTR + Cbr-unc-119(+)] II. Touch response neuron (TRN)-specific expression of anti-GFP nanobody fused to ZIF-1 mediates TRN-specific degradation of GFP-tagged proteins (through recruited ZIF-1 but NOT requiring ZF1 tags). Can be combined with endogenous locus GFP-tagging or rescue of a null mutant with a GFP fusion to examine TRN neuron-specific functions of target genes. Reference: Wang S, et al. http://biorxiv.org/content/early/2017/01/30/104398

ltSi220 [mex-5p::GFP::tbb-2::operon-linker::mCherry::his-11 + Cbr-unc-119(+)] I. ltSi1129 [spd-2p::spd-5(re-encoded) + Cbr-unc-119(+)] II. Re-encoded spd-5 is siRNA-resistant. mCherry-labeled histones. GFP-labeled microtubules. Reference: Ohta M, et al. J Cell Biol. 2021 Feb 1;220(2):e202009083. doi: 10.1083/jcb.202009083. PMID: 33399854.

ltSi220 [mex-5p::GFP::tbb-2::operon-linker::mCherry::his-11 + Cbr-unc-119(+)] I. ltSi1219 [spd-2p::spd-5(S653A S658A)::spd-5 3'UTR + Cbr-unc-119(+)] II. Small centrosomes. mCherry-labeled histones. GFP-labeled microtubules. Reference: Ohta M, et al. J Cell Biol. 2021 Feb 1;220(2):e202009083. doi: 10.1083/jcb.202009083. PMID: 33399854.

ltSi220 [mex-5p::GFP::tbb-2::operon-linker::mCherry::his-11 + Cbr-unc-119(+)] I. ltSi1232 [spd-2p::spd-5(S170A T178A T198A)::spd-5 3'UTR + Cbr-unc-119(+)] II. mCherry-labeled histones. GFP-labeled microtubules. Reference: Ohta M, et al. J Cell Biol. 2021 Feb 1;220(2):e202009083. doi: 10.1083/jcb.202009083. PMID: 33399854.

ltSi220 [mex-5p::GFP::tbb-2::operon-linker::mCherry::his-11 + Cbr-unc-119(+)] I. ltSi1561 [spd-2p::spd-5(S170A T178A T198A S653A S658A)::spd-5 3'UTR + Cbr-unc-119(+)] II. mCherry-labeled histones. GFP-labeled microtubules. Reference: Ohta M, et al. J Cell Biol. 2021 Feb 1;220(2):e202009083. doi: 10.1083/jcb.202009083. PMID: 33399854.

otEx4548 [tbb-1(fosmid)::SL2::NLS::YFP::H2B + pha-1(+)]. Maintain at 25C to select for array. Ubiquitous nuclear YFP expression. Reference: Stefanakis N., Carrera I., Hobert O. Neuron. 2015 Aug 19;87(4):733-50.

otIs314 [rab-3p(prom1)::2xNLS::TagRFP] III. otEx4560 tbb-5(fosmid)::SL2::NLS::YFP::H2B + pha-1(+)]. Maintain at 25C to select for otEx4560. Broad neuronal nuclear YFP expression. Reference: Stefanakis N., Carrera I., Hobert O. Neuron. 2015 Aug 19;87(4):733-50.

otIs356 [rab-3p(prom1)::2xNLS::TagRFP] V. otEx5900 [tbb-4(fosmid)::SL2::NLS::YFP::H2B + pha-1(+)]. Maintain at 25C to select for array. Neuronal nuclear YFP expression. Reference: Stefanakis N., Carrera I., Hobert O. Neuron. 2015 Aug 19;87(4):733-50.

otEx7202 [gbb-1(fosmid)::GFP + inx-6(prom18)::TagRFP + pha-1(+) + OP50(genomic DNA)]. Maintain at 25C to retain array. See description of strain OH15262 for full description of otIs669 NeuroPAL (Neuronal Polychromatic Atlas of Landmarks) transgene (Yemini E, et al. Cell. 2021 Jan 7;184(1):272-288.e11. PMID: 33378642). Reference: Yemini E, et al. Cell. 2021 Jan 7;184(1):272-288.e11. PMID: 33378642 Free pre-print available at https://www.biorxiv.org/content/10.1101/676312v2

The Null Transcriptional Reporter (NuTR) cassette was used to remove the lep-5 locus resulting in a null allele and transcriptional reporter driving expression of GFP. The cassette contains the dominant sqt-1(e1350) allele that results in roller animals. Expression of Cre (via crossing into a strain expressing a germline Cre or by injection of a Cre transgene) will result in removal of the selectable markers and result in non-roller animals. Pick Rollers to retain full transgene cassette. Males exhibit typical leptoderan tails.

The Null Transcriptional Reporter (NuTR) cassette was used to remove the linc-3 locus resulting in a null allele and transcriptional reporter driving expression of GFP. The cassette contains the dominant sqt-1(e1350) allele that results in roller animals. Expression of Cre (via crossing into a strain expressing a germline Cre or by injection of a Cre transgene) will result in removal of the selectable markers and result in non-roller animals. Pick Rollers to retain full transgene cassette. GFP expression is seen in dauers.

The Null Transcriptional Reporter (NuTR) cassette was used to remove the linc-19 locus resulting in a null allele and transcriptional reporter driving expression of GFP. The cassette contains the dominant sqt-1(e1350) allele that results in roller animals. Expression of Cre (via crossing into a strain expressing a germline Cre or by injection of a Cre transgene) will result in removal of the selectable markers and result in non-roller animals. Pick Rollers to retain full transgene cassette. GFP expression is seen in dauers.

The Null Transcriptional Reporter (NuTR) cassette was used to remove the linc-23 locus resulting in a null allele and transcriptional reporter driving expression of GFP. The cassette contains the dominant sqt-1(e1350) allele that results in roller animals. Expression of Cre (via crossing into a strain expressing a germline Cre or by injection of a Cre transgene) will result in removal of the selectable markers and result in non-roller animals. Pick Rollers to retain full transgene cassette. GFP expression is seen in the male somatic gonad.

The Null Transcriptional Reporter (NuTR) cassette was used to remove the linc-23 locus resulting in a null allele and transcriptional reporter driving expression of GFP. The cassette contains the dominant sqt-1(e1350) allele that results in roller animals. Expression of Cre (via crossing into a strain expressing a germline Cre or by injection of a Cre transgene) will result in removal of the selectable markers and result in non-roller animals. Pick Rollers to retain full transgene cassette. GFP expression is seen in the male somatic gonad and extremely dim expression in hermaphrodite spermatheca.

The Null Transcriptional Reporter (NuTR) cassette was used to remove the linc-36 locus resulting in a null allele and transcriptional reporter driving expression of GFP. The cassette contains the dominant sqt-1(e1350) allele that results in roller animals. Expression of Cre (via crossing into a strain expressing a germline Cre or by injection of a Cre transgene) will result in removal of the selectable markers and result in non-roller animals. Pick Rollers to retain full transgene cassette. GFP expression is seen in the sperm of both hermaphrodites and males.

The Null Transcriptional Reporter (NuTR) cassette was used to remove the linc-41 locus resulting in a null allele and transcriptional reporter driving expression of GFP. The cassette contains the dominant sqt-1(e1350) allele that results in roller animals. Expression of Cre (via crossing into a strain expressing a germline Cre or by injection of a Cre transgene) will result in removal of the selectable markers and result in non-roller animals. Pick Rollers to retain full transgene cassette. GFP expression is seen in the male somatic gonad, spermatheca of hermaphrodites, as well as several other tissues in the head.

The Null Transcriptional Reporter (NuTR) cassette was used to remove the tts-1 locus resulting in a null allele and transcriptional reporter driving expression of GFP. The cassette contains the dominant sqt-1(e1350) allele that results in roller animals. Expression of Cre (via crossing into a strain expressing a germline Cre or by injection of a Cre transgene) will result in removal of the selectable markers and result in non-roller animals. Pick Rollers to retain full transgene cassette. GFP expression is seen in several tissues including the pharynx but is significantly upregulated in a stress-dependent manner in a variety of tissues.

The Null Transcriptional Reporter (NuTR) cassette was used to remove the linc-1 locus resulting in a null allele and transcriptional reporter driving expression of GFP. The cassette contains the dominant sqt-1(e1350) allele that results in roller animals. Expression of Cre (via crossing into a strain expressing a germline Cre or by injection of a Cre transgene) will result in removal of the selectable markers and result in non-roller animals. Pick Rollers to retain full transgene cassette. GFP expression is seen in the male somatic gonad.

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.

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.

yokSi3 [spe-11p::trp-3A::TagRFP-T::tbb-2 3'UTR + Cbr-unc-119(+)] II. Reference: Takayama J & Onami S. Cell Rep. 2016 Apr 19;15(3):625-637.

yokSi3 [spe-11p::trp-3A::TagRFP-T::tbb-2 3'UTR + Cbr-unc-119(+)] II. Reference: Takayama J & Onami S. Cell Rep. 2016 Apr 19;15(3):625-637.

SL2::GFP::H2B tags inserted at C-terminus of gbb-1 endogenous locus. Reference: Stefanakis N, et al. 2024 Feb 15. doi: 10.1038/s44318-024-00049-w. PMID: 38360995.

SL2::GFP::H2B tags inserted at C-terminus of gbb-2 endogenous locus. Reference: Stefanakis N, et al. 2024 Feb 15. doi: 10.1038/s44318-024-00049-w. PMID: 38360995.

fxSi3 [hsp-16.41p::PEEL-1::tbb-2 3' UTR + rpl-28p::mKate2::unc-54 3'UTR + rps-0p::HygR::unc-54 3' UTR, I:2851003] I. fxSi4 [hsp-16.41p::PEEL-1::tbb-2 3'UTR + loxP, II: 8420157] II. 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. Five generations of lab adaptation following genome editing, all in the CB4856 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

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

reSi7 [rgef-1p::TIR1::F2A::mTagBFP2::AID*::NLS::tbb-2 3'UTR] (I:-5.32). Neuronal-specific expression of TIR1 co-factor with N-terminal GFP::TEV::AID*::FLAG tag inserted into endogenous unc-31 locus using CRISPR/Cas9 can be used for conditional depletion of UNC-31 in the nervous system. crRNA (TTTTCAGGAGGATCATGATT). Reference: Cornell R, et al. J Neurosci. 2022 Oct 26;JN-RM-1368-22. doi: 10.1523/JNEUROSCI.1368-22.2022. PMID: 36302635. NOTE: PCR detection of reSi7 insert using the published primers has been reported to be defective. These primers designed by Sherlyn Wijaya and Claire Richardson to detect ttTi4338 (LG I) also work for reIs7: ttTi4338 (LG I) wrdSi23-F: cttcaaagaaatcgccgac wrdSi23-FP: AACAACGAGACCTACGTCG wrdSi23-R: Ctctaagatgtcggccac (wt ~300bp, mutant ~650bp).