Search Strains

Maintain at 20C. GFP inserted at N-terminus of deps-1. Reference: Paix A, et al. Genetics. 2014 Sep 23.

GFP-tagged mex-6. Reference: Paix A, et al. Genetics. 2014 Sep 23.

1.6kb deletion in gtbp-1 between IV: 10127256...10128923. Homozygous viable. Reference: Paix A, et al. Genetics. 2014 Sep 23.

1.6kb deletion in gtbp-1 between IV: 10127264...10128913 and insertion of NheI restriction site (GCTAGC). Homozygous viable. Reference: Paix A, et al. Genetics. 2014 Sep 23.

P granule defect. High sterility. Reference: Wang JT, et al. eLife 2014;3:e04591.

C-terminal FLAG insertion in endogenous meg-4 locus. Reference: Wang JT, et al. eLife 2014;3:e04591.

Deletion removing 733 base pairs upstream of start and the first 2565 bases of the endogenous meg-4 locus. Reference: Wang JT, et al. eLife 2014;3:e04591.

7xHA tag inserted at N-terminus of endogenous nos-2 locus. NOTE: egx211 was originally designed as 8xHA tag but sequencing confirmed a point mutation disrupts one repeat, making it a functional 7xHA tag. CRISPR Guide sequence: TTCTTCTTGAAAGATGTCTC. Reference: Simmons WR, et al. 2026 bioRxiv 2026.07.01.735846; doi: https://doi.org/10.64898/2026.07.01.735846.

7xHA tag inserted at N-terminus of endogenous nos-2 locus. Minor maternal effect sterility at 20C; increased sterility at 25C. Derived by crossing parental strains YL139 and JH4876. NOTE: egx211 was originally designed as 8xHA tag but sequencing confirmed a point mutation disrupts one repeat, making it a functional 7xHA tag. egx211 CRISPR Guide sequence: TTCTTCTTGAAAGATGTCTC. Reference: Simmons WR, et al. 2026 bioRxiv 2026.07.01.735846; doi: https://doi.org/10.64898/2026.07.01.735846.

7xHA tag inserted at N-terminus of endogenous nos-2 locus. Embryonic P granules fail to segregate. 30% maternal effect sterility on average. RNAi insensitivity. Derived by crossing parental strains JH3475 and JH4876. NOTE: egx211 was originally designed as 8xHA tag but sequencing confirmed a point mutation disrupts one repeat, making it a functional 7xHA tag. egx211 CRISPR Guide sequence: TTCTTCTTGAAAGATGTCTC. Reference: Simmons WR, et al. 2026 bioRxiv 2026.07.01.735846; doi: https://doi.org/10.64898/2026.07.01.735846.

zuEx24 [hmp-1::GFP + unc-119(+)]. Animals with the duplication are WT. Occasionally pick green hermaphrodites to maintain. zuEx24 transmits at a very high frequency.

qIs19 [lag-2p::GFP::unc-54 3'UTR + rol-6(su1006)] V. Rollers. Integration of qEx233. GFP expression in DTCs and other defined regions. Do not distribute this strain; other labs should request it directly from the CGC.

qIs26 [lag-2::GFP + rol-6(su1006)]. Throws heterozygous Rollers and Unc eT1 homozygotes. qIs26 was integrated into qC1 and in the process made qC1 homozygous lethal. The distal tip cells are GFP+. It was an integration of qEx233. Do not distribute this strain; other labs should request it directly from the CGC.

peEx2513 [ceh36p::DownwardDAG2(worm) + unc-122p::mCherry]. The diacylglycerol reporter, DownwardDAG2, is expressed in AFD.

peEx2514 [gcy-8p::DownwardDAG2(codon-optimized) + unc-122p::mCherry]. The diacylglycerol reporter, DownwardDAG2, is expressed in AFD.

vxEx265 [gcy-8p::ICE + myo-2p:mCherry]. Pick mCherry+ animals to maintain. Expresses human caspase (ICE) to ablate AFD neurons. Reference: Vidal-Gadea AG, et al. Elife. 2015 Jun 17;4. doi: 10.7554/eLife.07493.

vxEx277 [mec-3p::ICE + myo-2p::mCherry]. Pick animals with mCherry expression in the pharynx to maintain the array. vxEx277 expresses a human cell death caspase (ICE) to ablate six touch neurons (ALML, ALMR, AVM, PLML, PLMR, and PVM), FLP, and PVD. Reference: Russell J, et al. Proc Natl Acad Sci U S A. 2014 Jun 3;111(22):8269-74.

vxEx282 [WRM0621dC07 + unc-122p::GFP]. Pick GFP+ to maintain. GFP expression in coelomocytes. Fosmid rescues ok415. Reference: Russell J, et al. Proc Natl Acad Sci USA. 2014 Jun 3;111(22):8269-74.

vxEx283 [mec-10p::asic-1(+) + unc-122p::GFP]. Array rescues asic-1(lf) in ALMl, ALMR, AVM, PLML, PLMR, FLP, and PVD. Pick GFP+ animals to maintain. Reference: Russell J, et al. Proc Natl Acad Sci USA. 2014 Jun 3;111(22):8269-74.

vxEx284 [sto-5p::asic-1(+) + unc-122p::GFP]. Array rescues asic-1(lf) in FLP and BDU neurons. Pick GFP+ animals to maintain. Reference: Russell J, et al. Proc Natl Acad Sci USA. 2014 Jun 3;111(22):8269-74.

vxEx280 [sto-5p::ICE + gcy-8::ICE + myo-2p::mCherry]. Pick mCherry+ animals to maintain. Genetic ablation of AFDL, AFDR, FLPL, FLPR, BDUL, and BDUR via expression of a human cell death caspase (ICE). Reference: Russell J, et al. Proc Natl Acad Sci USA. 2014 Jun 3;111(22):8269-74.

vxEx280 [sto-5p::ICE + gcy-8::ICE + myo-2p::mCherry]. Pick animals with mCherry expression in the pharynx to maintain the array. Genetic ablation of AFD, FLP, and BDU via expression of a human cell death caspase (ICE). Reference: Russell J, et al. Proc Natl Acad Sci USA. 2014 Jun 3;111(22):8269-74.

vxEx280 [sto-5p::ICE + gcy-8::ICE + myo-2p::mCherry]. Pick animals with mCherry expression in the pharynx to maintain the array. Genetic ablation of AFD, FLP, and BDU via expression of a human cell death caspase (ICE). Reference: Russell J, et al. Proc Natl Acad Sci USA. 2014 Jun 3;111(22):8269-74.

Caenorhabditis remanei mutant. Small (non-Mab). Male-female strain.

Caenorhabditis remanei mutant. Unc. Male-female strain.

hEx26 [C07F10 + C04F1 + C53A11 + rol-6(su1006)]. Maintain by picking Unc Rollers. Segregates 53% Unc Rollers. This strain was generated by the Genetic Toolkit project, which should be acknowledged in any publications resulting from its use: The Genetic Toolkit is funded by the NIH National Center for Research Resources (NCRR) (USA) to Ann M. Rose, David L. Baillie, and Donald L. Riddle. Report all experimental results to Ann Rose.

kasEx271 [pxd-1::RFP + pha-1(+)]. Maintain at 25C to select for array. RFP fused with pxd-1 genomic region (-2,165 to -1 bp). Reference: Li Y & Kratsios P. Micropubl Biol. 2021 Sep 14;2021:10.17912/micropub.biology.000453. PMID: 34549172.

kasEx273 [cal-2::RFP + pha-1(+)]. Maintain at 25C to select for array. RFP fused with cal-2 genomic region (-3,326 to -1 bp). Reference: Li Y & Kratsios P. Micropubl Biol. 2021 Sep 14;2021:10.17912/micropub.biology.000453. PMID: 34549172.

kasEx275 [lgc-4::RFP + pha-1(+)]. Maintain at 25C to select for array. RFP fused with lgc-4 genomic region (-669 to +1,797 bp). Reference: Li Y & Kratsios P. Micropubl Biol. 2021 Sep 14;2021:10.17912/micropub.biology.000453. PMID: 34549172.

kasEx277 [ldb-1::RFP + pha-1(+)]. Maintain at 25C to select for array. RFP fused with ldb-1 genomic region (+1,063 to +4,393 bp). Reference: Li Y & Kratsios P. Micropubl Biol. 2021 Sep 14;2021:10.17912/micropub.biology.000453. PMID: 34549172.

kasEx279 [nep-21::RFP + pha-1(+)]. Maintain at 25C to select for array. RFP fused with nep-21 genomic region (-3,471 to -865 bp). Reference: Li Y & Kratsios P. Micropubl Biol. 2021 Sep 14;2021:10.17912/micropub.biology.000453. PMID: 34549172.

kasEx281 [D2007.2::RFP + pha-1(+)]. Maintain at 25C to select for array. RFP fused with D2007.2 genomic region (-2,997 to -517 bp). Reference: Li Y & Kratsios P. Micropubl Biol. 2021 Sep 14;2021:10.17912/micropub.biology.000453. PMID: 34549172.

kasEx283 [dmsr-2::RFP + pha-1(+)]. Maintain at 25C to select for array. RFP fused with dmsr-2 genomic region (-3,452 to -1 bp). Reference: Li Y & Kratsios P. Micropubl Biol. 2021 Sep 14;2021:10.17912/micropub.biology.000453. PMID: 34549172.

kasEx284 [ncs-2::RFP + pha-1(+)]. Maintain at 25C to select for array. RFP fused with ncs-2 genomic region (-3,455 to -1 bp). Reference: Li Y & Kratsios P. Micropubl Biol. 2021 Sep 14;2021:10.17912/micropub.biology.000453. PMID: 34549172.

kasEx286 [npr-29::RFP + pha-1(+)]. Maintain at 25C to select for array. RFP fused with npr-29 genomic region (-9,810 to -6,028 bp). Reference: Li Y & Kratsios P. Micropubl Biol. 2021 Sep 14;2021:10.17912/micropub.biology.000453. PMID: 34549172.

kasEx288 [drn-1::RFP + pha-1(+)]. Maintain at 25C to select for array. RFP fused with drn-1 genomic region (-6,346 to -4,825 bp). Reference: Li Y & Kratsios P. Micropubl Biol. 2021 Sep 14;2021:10.17912/micropub.biology.000453. PMID: 34549172.

qIs26 [lag-2::GFP + rol-6(su1006)]. ckSi26 [cdk-12::GFP::pal-1 3'UTR + unc-119(+)] I. GFP is expressed in all somatic nuclei; expressed in germline only at end of oogenesis. Throws heterozygous Rollers, tm3846 homozygotes (Emb), and tm3846 homozygotes (arrest as L1-L2 larvae). qIs26 was integrated into qC1 and in the process made qC1 homozygous lethal. The distal tip cells are GFP+. qIs26 is an integration of qEx233. Reference: Bowman EA, et al. Development. (In Press).

uaEx25 [(p016bA352V) nuo-1(+) + unc-119(+)]. Contains extrachromosomal nuo-1(A352V) in a plasmid derived from pDP#MM016b. Complements both nuo-1(ua1) and unc-119(ed3). Generated via microparticle bombardment, therefore, most likely low-copy expression of the transgene. Low brood size. Short life span. Sensitive to oxidative stress.

uaEx27 [(p016bA443F) nuo-1(+) + unc-119(+)]. Contains an extrachromosomal array carrying nuo-1(A443F) in a plasmid derived from pDP#MM016b. Complements both nuo-1(ua1) and unc-119(ed3). Generated via microparticle bombardment, therefore, most likely low-copy expression of transgene. Low brood size. Short life span. Sensitive to oxidative stress.

Slight reduction in serotonin and dopamine, most apparent in L1 larva. Derived by outcrossing FX2337 two times to N2. Reference: Loer CM, et al. Genetics. 2015 May;200(1):237-53.

Slight reduction in serotonin and dopamine, most apparent in L1 larva. Derived by outcrossing FX2373 two times to N2. Reference: Loer CM, et al. Genetics. 2015 May;200(1):237-53.

lqEx245 [ced-10::GFP + osm-6::GFP]. Pick GFP+ animals to maintain. lqEx245 rescues ced-10(n1993).

cpEx25 [mrck-1(delta CRIB)::YPet + myo-2p::mCherry]. Pick mCherry+ animals to maintain array. YPet-tagged MRCK-1 truncated upstream of the CRIB domain to inhibit binding to CDC-42. Generated in N2 background. Reference: Marston DJ, et al. Curr Biol. 2016 26:2079-2089.

lstEx24 [pdf-2p::pdf-2::3'UTR + elt-2p::GFP]. Pick GFP+ animals to maintain. lst24 rescues pdf-2; wild-type locomotion. Reference: Meelkop E, et al. Mol Cell Endocrinol. 2012 Sep 25;361(1-2):232-40.

lstEx25 [pdfr-1p::pdfr-1::3'UTR + elt-2p::GFP]. Pick GFP+ animals to maintain. lst25 rescues pdfr-1; wild-type locomotion. Reference: Meelkop E, et al. Mol Cell Endocrinol. 2012 Sep 25;361(1-2):232-40.

vsIs183 [nlp-3p::GCaMP5::nlp-3 3'UTR + nlp-3p::mCherry::nlp-3 3'UTR + lin-15(+)] X. Integrated transgene using nlp-3 promoter to drive GCaMP5 and mCherry expression in HSN; useful for visualizing and quantitating calcium influx in HSN. Reference: Collins K, et al. Elife. 2016 Nov 16;5. pii: e21126. doi: 10.7554/eLife.21126.

vsSi32 [goa-1::GFP + unc-119(+)] III. GOA-1::GFP translational fusion driven by 5kb of goa-1 promoter. Rescues unc-119 locomotion defect. vsSi32 is inserted into the left arm of chromosome III between sequences 5’-tttactgcatactgaacaacaggggaaaagggg-3’ and 5’-tagaattagctgtaagacggcgtctaggttttgca-3’. Reference: Kumar S, et al. G3 (Bethesda). 2021 Aug 7;11(8):jkab167. doi: 10.1093/g3journal/jkab167. PMID: 34003969

vsSi32 [goa-1::GFP + unc-119(+)] III. GOA-1::GFP translational fusion driven by 5kb of goa-1 promoter. Rescues locomotion and body morphology defects, and partially rescues egg-laying defects seen in goa-1 null mutants. vsSi32 is inserted into the left arm of chromosome III between sequences 5’-tttactgcatactgaacaacaggggaaaagggg-3’ and 5’-tagaattagctgtaagacggcgtctaggttttgca-3’. Reference: Kumar S, et al. G3 (Bethesda). 2021 Aug 7;11(8):jkab167. doi: 10.1093/g3journal/jkab167. PMID: 34003969

vsIs241 [dop-6(fosmid)::SL2::GFP + lin-15(+)]. DOP-6::GFP translational fusion. Reference: Fernandez RW, et al. J Neurosci. 2020 Sep 23;40(39):7475-7488. doi: 10.1523/JNEUROSCI.1357-20.2020. PMID: 32847964.

vsSi39 [goa-1-gfp(Q205L) + unc-119(+)] II. Single-copy mosSCI insertion of the gain-of-function goa-1(Q205L)::GFP translational fusion driven by 5kb of the goa-1 promoter. Animals have shallow body bends and are egg-laying defective. Reference: Kumar S, et al. G3 (Bethesda). 2021 Aug 7;11(8):jkab167. doi: 10.1093/g3journal/jkab167. PMID: 34003969