Search Strains

vha-14 gain-of-function allele created by replacing the miR-1 binding site (ACATTCCA) in the 3' UTR of the endogenous locus with a NotI (GCGGCCGC) restriction site. Reference: Gutie?rrez-Pérez, P. et al. A deeply conserved miR-1 dependent regulon supports muscle cell physiology. bioRxiv, 2020, doi.org/10.1101/2020.08.31.275644.

vha-8 gain-of-function allele created by replacing the miR-1 binding site (ACATTCCA) in the 3' UTR of the endogenous locus with a NotI (GCGGCCGC) restriction site. Reference: Gutie?rrez-Pérez, P. et al. A deeply conserved miR-1 dependent regulon supports muscle cell physiology. bioRxiv, 2020, doi.org/10.1101/2020.08.31.275644.

vha gain-of-function alleles created by replacing the miR-1 binding sites (ACATTCCA) in the 3' UTRs of the endogenous loci with a NotI (GCGGCCGC) restriction site. (vha-12 gain-of-function allele was created by replacing three miR-1 binding sites (ACATTCCA) with NotI (GCGGCCGC), BamHI (GGATCC), and EcoRI (GAATTC) restriction sites.) Referred as 6x-vhaNotI. Reference: Gutie?rrez-Pérez, P. et al. A deeply conserved miR-1 dependent regulon supports muscle cell physiology. bioRxiv, 2020, doi.org/10.1101/2020.08.31.275644.

Heterozygotes are wild-type with pharyngeal GFP signal, and segregate wild-type GFP, arrested hT2 aneuploids, and non-GFP luc161 homozygotes (embryonic lethal). Homozygous hT2[bli-4 let-? qIs48] inviable. Pick wild-type GFP and check for correct segregation of progeny to maintain. vha-1(luc161) is a 454 bp deletion removing most of the coding sequence. Reference: Gutie?rrez-Pérez, P. et al. A deeply conserved miR-1 dependent regulon supports muscle cell physiology. bioRxiv, 2020, doi.org/10.1101/2020.08.31.275644.

Temperature sensitive Multi-vulva. Slow growing. Unc-coils, jerky going backward. Small.

Coiler.

hdIs32 [glr-1::DsRed2] III. otEx239 [rig-3::GFP + pha-1(+)]. Maintain at 25C and pick GFP+ to ensure the array is retained. AVA neurons are marked with GFP and DsRed2. Can be used to isolate AVA by FACS. Used by CeNGEN project for RNA-Seq (https://www.cengen.org/). Derived from parental strain OH4326. Reference: Hutter H. J Microsc. 2004 Aug;215(Pt 2):213-8. doi: 10.1111/j.0022-2720.2004.01367.x. PMID: 15315508.

wdEx1201 [spe-27p::tagRFP + pha-1(+)]. Maintain at 25C to select for array. RMF neurons are labeled with TagRFP. Can be used to isolate RMF by FACS. Used by CeNGEN project for RNA-Seq (https://www.cengen.org/).

Short lifespan. vha-7(tk181) is a point mutation isolated as a suppressor of sqv-5(k175). tk181 represses the formation of tubular lysosome. Reference: Shibata Y, et al. Scientific Reports. In press.

otIs395 [ift-20p::NLS::tagRFP + pha-1(+)]. Ciliome defects. CRISPR-engineered fkh-8 null mutation. Reference: Brocal-Ruiz R, et al. Elife. 2023 Jul 14;12:e89702. doi: 10.7554/eLife.89702. PMID: 37449480.

bmdSi15 [loxN + eef-1A.1p::GFP(1-10)::unc-54 3? UTR + let-858 terminator + myo-2p::mCherry::3xHA::tbb-2 3? UTR + loxP] I. bmdSi15 is a CRISPR-based integration into the ttTi4348 site (I:-5.32). Split GFP tag (GFP11) inserted into the C-terminus of the endogenous rpl-31 locus.

bmdSi15 [loxN + eef-1A.1p::GFP(1-10)::unc-54 3? UTR + let-858 terminator + myo-2p::mCherry::3xHA::tbb-2 3? UTR + loxP] I. bmdSi15 is a CRISPR-based integration into the ttTi4348 site (I:-5.32). Split GFP tag (GFP11) inserted into the C-terminus of the endogenous rpl-41 locus.

bmdSi15 [loxN + eef-1A.1p::GFP(1-10)::unc-54 3? UTR + let-858 terminator + myo-2p::mCherry::3xHA::tbb-2 3? UTR + loxP] I. bmdSi15 is a CRISPR-based integration into the ttTi4348 site (I:-5.32). 2x split GFP tag (GFP11) inserted into the C-terminus of the endogenous sec-61.B locus.

qyIs463 [lin-29p::zif-1::SL2::mCherry]. bmdSi15 [loxN + eef-1A.1p::GFP(1-10)::unc-54 3' UTR + let-858 terminator + myo-2p::mCherry::3xHA::tbb-2 3' UTR + loxP] I. bmdSi15 is a CRISPR-based integration into the ttTi4348 site (I:-5.32). ZF1 and split GFP tag (GFP11) inserted into the C-terminus of the endogenous rpl-31 locus. L4-specific expression of ZIF-1, ubiquitous GFPbeta1-10 and endogenous rpl-31 tagged with ZF-1+GFP-beta11

Superfically wild-type strain with ubiquitous expression of red mitochondria outermembrane marker inserted into ttTi4348 mosSCI site (I:-5.32) using CRISPR/Cas9-mediated recombination.

cpIs91 [lag-2p::2x mKate2::PLC(delta)PH::3xHA::tbb-2 3'UTR LoxN] II. sbp-1 locus endogenously tagged with mNG at the N-terminus. Superficially wild-type. Reference: Park K, et al. J Cell Biol. 2024 Oct 7;223(10):e202402035. PMID: 39007804.

cpIs91 [lag-2p::2xmKate2::PLCdeltaPH::3xHA::tbb-2 3'UTR LoxN] II.  mNeonGreen tag inserted into C-terminus of endogenous immt-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 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.

Endogenous reporter of type IV collagen alpha chain (let-2) translation. mNG tag inserted at the endogenous C-terminus locus with a P2A sequence between the C-terminus of let-2 and mNG. P2A causes let-2 to be translated independently of mNG. Cytosolic mNG is a reporter of translation. Reference: Srinivasan S,et al. J Cell Biol. 2025 224(6):e202412118. doi:10.1083/jcb.202412118 PMID: 40100062.

Endogenous reporter of type IV collagen alpha chain (emb-9) translation. mNG tag inserted at the endogenous C-terminus locus with a P2A sequence between the C-terminus of emb-9 and mNG. P2A causes emb-9 to be translated independently of mNG. Cytosolic mNG is a reporter of translation. Reference: Srinivasan S,et al. J Cell Biol. 2025 224(6):e202412118. doi:10.1083/jcb.202412118 PMID: 40100062.

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.

Caenorhabditis auriculariae wild isolate. Male-female strain. Maintain by mating at 25C. Can be maintained on NGM with E. coli. C. auriculariae was initially described as an associate of the fruiting bodies of the basidiomycota fungus Auricularia polytricha and recently reisolated from a Platydema mushroom-associated beetle. References: Dayi M, et al. Additional description and genome analyses of Caenorhabditis auriculariae representing the basal lineage of genus Caenorhabditis. Scientific Reports (in press). Tsuda K & Futai K. Nematological Research (Japanese Journal of Nematology) 1999. 29, 18-23

pkIs591[dpy-20(+) + gap-15::GFP]. GFP expression in ADL, ASH, ASK, PHA, PHB, distal tip cell, anchor cell, and many male-specific neurons.

pkIs2256 [alg-2::HA + rol-6(su1006)]. Rollers.

jsIs1072 [vha-6p::aex-5::Venus + Cbr-unc-119(+)]. Wild type strain that expresses AEX-5::VENUS fusion in intestine under the control of the vha-6 promoter. AEX-5::VENUS is secreted and also detectable in the coelomocytes. Created by ballistic transformation. Plasmid sequence and description of the transgene found in PMID 18852466.

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.

drIs20 [vha-6p::Q44::YFP + rol-6(su1006) + pBluescript II]. Integration of dgEx80. Animals express Q44-YFP in the intestine. YFP is soluble in young animals but forms aggregates with either aging or osmotic stress (500 mM NaCl). Reference: Moronetti Mazzeo LE, et al. Proc Natl Acad Sci U S A. 2012 Jun 26;109(26):10587-92.

drSi2 [vha-6p::3XFLAG::pgp-3/CFTR(wt)::mCherry::unc-54 3'UTR] II. Superficially wild-type with mCherry expression only in the intestine with enrichment at the apical membrane. Single copy integration of the vha-6 promoter driving the PGP-3 protein with an N-terminal 3XFLAG tag and a C-terminal mCherry tag. Amino acids 476-484 of PGP-3 have been replaced with amino acids 501-509 of human CFTR (TIKENIIFG). Transgene was inserted at the ttTi5605 locus on LGII and verified to be a single copy insertion by long range PCR across the genomic locus. Reference: He L, et al. Dis Model Mech. 2012 Nov;5(6):930-9.

drSi4 [vha-6p::3XFLAG::pgp-3/CFTR(delta F508)::mCherry::unc-54 3'UTR] II. Superficially wild-type with mCherry expression only in the intestine with significantly diminished expression as compared to drSi2. Single copy integration of the vha-6 promoter driving the PGP-3 protein with an N-terminal 3XFLAG tag and a C-terminal mCherry tag. Amino acids 476-484 of PGP-3 have been replaced with amino acids 501-509 of human CFTR with F508 deleted (TIKENII_G). Transgene was inserted at the ttTi5605 locus on LGII and verified to be a single copy insertion by long range PCR across the genomic locus. Reference: He L, et al. Dis Model Mech. 2012 Nov;5(6):930-9.

drSi41 [hsf-1p::hsf-1::HA::unc-54 3'UTR + Cbr-unc-119(+)] II. hsf-1 cDNA containing an HA tag in frame between amino acids 370 and 371, under control of 4 kb of the hsf-1 promoter, integrated as a single copy by MosSCI on chromosome II at ttTi5605 in EG4322. Reference: Morton EA, Lamitina T. Aging Cell. 2012 Oct 26. doi: 10.1111/acel.12024.

drSi41 [hsf-1p::hsf-1::HA::unc-54 3'UTR + Cbr-unc-119(+)] II. Expresses single-copy drSi41 in hsf-1(sy441) hypomorph. drSi41 includes hsf-1 cDNA containing an HA tag in frame between amino acids 370 and 371, under control of 4 kb of the hsf-1 promoter, integrated as a single copy by MosSCI on chromosome II at ttTi5605. Moderate rescue of sy441 25C growth arrest, but should be maintained at 20C or lower. Reference: Morton EA, Lamitina T. Aging Cell. 2012 Oct 26. doi: 10.1111/acel.12024.

otIs317 [mgl-1::mCherry + pha-1(+)].

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.

otEx4552 [unc-11(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.

otEx4553 [unc-64(fosmid; isoform B)::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.

otEx4555 [unc-104(fosmid)::SL2::NLS::YFP::H2B + pha-1(+)]. Maintain at 25C to select for array. Pan-neuronal nuclear YFP expression. Reference: Stefanakis N., Carrera I., Hobert O. Neuron. 2015 Aug 19;87(4):733-50.

otEx4557 [shn-1(fosmid)::SL2::NLS::YFP::H2B + rol-6(su1006)]. Rollers. Pick Rollers to maintain. Nuclear YFP expression in muscle. 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. otEx4553 [unc-64A(fosmid)::SL2::NLS::YFP::H2B + pha-1(+)]. Maintain at 25C to select for otEx5924. Pan-neuronal 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. otEx4681 [snn-1(fosmid)::SL2::NLS::YFP::H2B + pha-1(+)]. Maintain at 25C to select for otEx4681. Pan-neuronal nuclear YFP expression. Reference: Stefanakis N., Carrera I., Hobert O. Neuron. 2015 Aug 19;87(4):733-50.

otIs341 [mgl-1::GFP + pha-1(+)].

otEx4767 [trp-1p(1.5kb promoter)::DsRed2 + pha-1(+)]. Maintain at 25C. Reference: Kratsios P, et al. Nat Neurosci. 2011 Nov 27. doi: 10.1038/nn.2989.

otIs350 [ric-4(fosmid)::SL2::NLS::YFP::H2B + pha-1(+)]. Pan-neuronal YFP expression. Reference: Stefanakis N., Carrera I., Hobert O. Neuron. 2015 Aug 19;87(4):733-50.

otIs352 [ric-4(fosmid)::SL2::NLS::YFP::H2B + pha-1(+)]. Pan-neuronal YFP expression. Reference: Stefanakis N., Carrera I., Hobert O. Neuron. 2015 Aug 19;87(4):733-50.

otIs353 [ric-4(fosmid)::SL2::NLS::YFP::H2B + pha-1(+)]. Pan-neuronal YFP expression. Reference: Stefanakis N., Carrera I., Hobert O. Neuron. 2015 Aug 19;87(4):733-50.

otEx4794 [del-1p(2.6kb promoter)::DsRed2 + pha-1(+)]. Maintain at 25C. Reference: Kratsios P, et al. Nat Neurosci. 2011 Nov 27. doi: 10.1038/nn.2989.

otEx4802 [T13G4.3p(3kb promoter)::DsRed2 + pha-1(+)]. Maintain at 25C. Reference: Kratsios P, et al. Nat Neurosci. 2011 Nov 27. doi: 10.1038/nn.2989.

otEx4803 [twk-7p(3kb promoter)::DsRed2 + pha-1(+)]. Maintain at 25C. Reference: Kratsios P, et al. Nat Neurosci. 2011 Nov 27. doi: 10.1038/nn.2989.