Search Strains

hif-1(et69) is a 1241-1G>A splice acceptor variant and gain-of-function allele that acts as a suppressor of the fat-2(wa17) growth defects. Reference: Kaper D, et al. Elife. 2025 Jul 8:13:RP104181. doi: 10.7554/eLife.104181. PMID: 40627529.

etIs1 [ric-19p::ric-19::GFP + rol-6(su1006). Low levels of ric19::GFP fusion protein expression driven by the ric-19 promoter in all neurons except for strong expression in the pharyngeal M2 neurons.

etIs1 [ric-19p::ric-19::GFP + rol-6(su1006). Low levels of ric19::GFP fusion protein expression driven by the ric-19 promoter in all neurons except for strong expression in the pharyngeal M2 neurons.

etEx1 [rol-6(su1006) + W02H5.8(2kb)::GFP]. Pick Rollers to maintain. 2 kb fragment of W02H5.8 was cloned intoFire Lab vector pPD95.69. This strain has been used by the Worm Atlas to study the development of the intestine.

qgIR1 (X, CB4856>N2, haw102573 to 4,822,488) X. The strain is a nearly isogenic line that carries the CB4856 version of npr-1 in an otherwise N2 genetic background. NIL derived from RIAIL QX58 linked then unlinked to mec-2 from CB3273 lon-2 mec-2, then backcrossed to lon-2 for 12 generations selecting nonLon worms, then homozygosed. Genotyped N2 at pkP6106 and pkP6145. Based on QG613 sequencing, interval is from X:4,754,307-4,864,273.

Male-female strain. Wild type isofemale line of Caenorhabditis sp. 57. Isolated from a rotten fig collected from the forest floor, Barro Colorado Island, Panama, 23 August 2018. Coordinates 9°9.787, 79°50.232.

CRISPR/Cas9-engineered deletion of him-5. High incidence of males. Reference: Macaisne N, et al. Genetics (2018) 2010:843-856. PMID 30242011

eaIs4 [him-5p::him-5::GFP::3xFLAG::him-5 3'UTR + unc-119(+)]. Transgene recapitulates published HIM-5 expression patterns and can rescue high incidence of males phenotype of him-5 mutants. Reference: McClendon TB. et al. G3 (Bethesda). 2016 Dec 7;6(12):3913-3925. PMID 27678523.

eaIs15 [pie-1p::him-5::GFP::pie-1 3’ UTR + unc-119(+)] III. eaIs15 can rescue high incidence of males phenotype of him-5 mutants. Reference: McClendon TB. et al. G3 (Bethesda). 2016 Dec 7;6(12):3913-3925. PMID 27678523.

umnIs78 [myo-2p::mKate2 + NeoR, I: 12541645 (intergenic)] I. Heterozygous strain. Crossover suppressor for LGI right. Inversion includes unc-75 and unc-54(h1040). Heterozygotes are wild-type (not paralyzed) with dim mKate2 expression in pharynx, and segregate heterozygotes (not paralyzed, dim mKate2), homozygous wild-type (not paralyzed, no mKate2), and hIn1 homozygotes (paralyzed, bright mKate2). Pick non-paralyzed, dim mKate2 worms and check for correct segregation of progeny to maintain. Maintain at 20C or higher: recombined balancer seems more prone to breaking down at low temperatures. Derived by crossing parental strain CGC105 (hIn1[umnIs78]) to RG3173 (Y40B1B.7(ve673[LoxP + myo-2p::GFP::unc-54 3' UTR + rps-27p::neoR::unc-54 3' UTR + LoxP])/hIn1[unc-54(h1040)]) and selecting for the recombined hIn1 worms.

umnIs75 [myo-2p::GFP + NeoR, I: 12541645 (intergenic)] I. Heterozygous strain. Crossover suppressor for LGI right. Inversion includes unc-75 and unc-54(h1040). Heterozygotes are wild-type (not paralyzed) with dim GFP expression in pharynx, and segregate heterozygotes (not paralyzed, dim GFP), homozygous wild-type (not paralyzed, no GFP), and hIn1 homozygotes (paralyzed, bright GFP). Pick non-paralyzed, dim GFP worms and check for correct segregation of progeny to maintain. Maintain at 20C or higher: recombined balancer seems more prone to breaking down at low temperatures. Derived cross of parental strains CGC94 (hIn1[umnIs75]) to QP2460 (hIn1[umnIs78, unc-54(h1040)]/+) and selecting for the recombined hIn1 worms.

Superficially wild-type. Reference: Simske J & Dong Y. (2017). International Worm Meeting. The role of DAF-2 In the transmission of maternal and paternal nutritional status during embryogenesis. WBPaper00051789.

Vulvaless due to the lin-7 allele. Non-null allele of agl-1; Gro and Diet/nutrition-dependent maternal effect embryonic lethal due. Reference: Simske JS, et al. (1999). Ventral enclosure in C. elegans: getting to the molecules presented in International C. elegans Meeting.

RFP tag inserted at C-terminus of endogenous hum-1 via CRISPR/Cas9 editing.

zuIs45 [nmy-2p::nmy-2::GFP + unc-119(+)] V. Maintain at 15C. Derived from parental strains GA158 and JJ1473. Reference: Simske J & Dong Y. 2017). The role of DAF-2 In the transmission of maternal and paternal nutritional status during embryogenesis presented in International Worm Meeting.

Maintain at 15C.  Temperature-sensitive embryonic lethal with defects in embryonic cytokinesis.  Suppressor of the lin-2 Vul phenotype

Dpy, Emb, Lvl, Suppressor of the lin-2 Vul phenotype, large endosomes in coelomocytes

vhIs12 [vha-6p::GFP::tbc-2 + Cbr-unc-119(+)] II.  vhIs12 is inserted to the left of tbc-2(m2241) in LG II. GFP::TBC-2 rescues the large endosome phenotype in the intestine of tbc-2(tm2241) animals. Outside the intestine, tbc-2(tm2241) animals have large yolk platelets in the oocytes and early embryos that are not rescued.

Weak chemotaxis toward diacetyl. Possibly due to the weak chemotaxis toward diacetyl, qr1 were more preferentialy attracted by sodium acetate than WT in simultaneous two-spot presentation of sodium acetate and diacetyl. Mutagen used was Mos1 transposon, but it is not an insertion allele.

Weak chemotaxis toward low concentrations of sodium acetate. qr2 were more preferentialy attracted by diacetyl than WT in simultaneous two-spot presentation of sodium acetate and diacetyl. Mutagen used was Mos1 transposon, but it is not an insertion allele.

zjEx53 [gst-4p::tdTomato::unc-54 3'UTR]. Pick bright tdTomato to maintain the array. Worms with zjEx53 express tdTomato strongly throughout the body. Small and slow-growing with strong constitutive activation of SKN-1 and downstream detoxification genes. References: Choe KP, et al. Mol Cell Biol. 2009 May;29(10):2704-15. doi: 10.1128/MCB.01811-08. PMID: 19273594. Tang L, et al. Mech Ageing Dev. 2015 Jul;149:88-98. doi: 10.1016/j.mad.2015.06.001. PMID: 26056713.

dvIs19 [(pAF15) gst-4p::GFP::NLS] III. Hypomorphic allele of skn-1 that may be propagated as a homozygote. High rate of embryonic lethality and slightly lower brood size compared to N2. Reference: Tang L, Dodd W, Choe K. G3 (Bethesda). 2015 Dec 29.

Hypomorphic allele of skn-1 that may be propagated as a homozygote. High rate of embryonic lethality and slightly lower brood size compared to N2. Reference: Tang L, Dodd W, Choe K. G3 (Bethesda). 2015 Dec 29.

zfIs149 [flp-18p(3kb)::mCherry::SL2::FLP-18 + lin-15(+)] X. FLP-18 expressing neurons are labeled with cytosolic mCherry. Overexpression of FLP-18 causes uncoordinated locomotion. Animals exhibit exaggerated head and body bends, increased reversal frequency, and enhanced calcium transients in body-wall muscle. These phenotypes are suppressed by loss of NPR-5. Reference: Florman JT & Alkema MJ. PLOS Genet. 2022 Mar 3;18(3):e1010091. doi: 10.1371/journal.pgen.1010091. PMID: 35239681.

Nonsense allele of peel-1 carried in Utah isolate EG4348 crossed into N2 Bristol background. Reference: Seidel HS et al. PLoS Biol. 2011 Jul;9(7):e1001115.

rdIs24 [F12E12.5::GFP + unc-119(+)]. Spontaneous integrant of UL1189. Expresses GFP in somatic gonad during L2-L3 stages. Reference: Large EE, Mathies LD. Dev Biol. 2010 Mar 1;339(1):51-64.

rdIs26 [R08E3.4::GFP + unc-119(+)]. Construct contains ~5 kb upstream of R08E3.4A. Superficially wild-type. Reference: Large and Mathies (2010) Dev Biol 339(1):51-64.

rdIs27 [R08E3.4::GFP + unc-119(+)]. Construct contains ~5 kb upstream of R08E3.4A. Superficially wild-type. Reference: Large and Mathies (2010) Dev Biol 339(1):51-64.

rdIs2 [ehn-3a::GFP + rol-6(su1006)] V. Rollers. The ehn-3a::GFP reporter (pRA230) contains 3,003 bp upstream of the ehn-3a translational start and the first two exons of ehn-3a. GFP expression in Z1 and Z4 during embryogenesis and early larval development. Reference: Welchman DP, Mathies LD, Ahringer J. (2007) Dev Biol. 305(1): 347-57.

ieSi57 [eft-3p::TIR1::mRuby::unc-54 3'UTR + Cbr-unc-119(+)] II. AID* tag inserted into endogenous daf-2 locus. ieSi57 is a single-copy transgene insertion into chromosome II (oxTi179) expressing modified Arabidopsis thaliana TIR1 tagged with mRuby in the soma. This strain can be used for auxin-inducible degradation (AID) of target proteins in somatic tissues. Reference: Venz R, et al. Elife. 2021 Sep 10;10:e71335. doi: 10.7554/eLife.71335. PMID: 34505574.

ZK970.6 Homozygous. Outer Left Sequence: CGGTGTCATTTCAGAGAGCA. Outer Right Sequence: GTTGAGGCAACCTTAAGCGA. Inner Left Sequence: TTGCTCAGCTTTTGGCCTAT. Inner Right Sequence: AGTGCGGATTGTCTGGAAAG. Inner Primer WT PCR Product: 3316. Deletion size: 1545 bp. Attribution: This strain was provided by the C. elegans Gene Knockout Project at the Oklahoma Medical Research Foundation, which was part of the International C. elegans Gene Knockout Consortium, which should be acknowledged in any publications resulting from its use. Paper_evidence WBPaper00041807

C01F6.1 Homozygous. Outer Left Sequence: GGTTTTAGGAAACGGCATCA. Outer Right Sequence: AGCGTTACGAATTTTGGCAC. Inner Left Sequence: CTAGCAGGAGTGGTCTTGCC. Inner Right Sequence: GGATCAAAATGGAACATCCG. Inner Primer WT PCR Product: 2438. Deletion size: 1583 bp. Attribution: This strain was provided by the C. elegans Gene Knockout Project at the Oklahoma Medical Research Foundation, which was part of the International C. elegans Gene Knockout Consortium, which should be acknowledged in any publications resulting from its use. Paper_evidence WBPaper00041807

T19D2.1. Homozygous. Outer Left Sequence: GAGGAAATCGCGATGAAGAG. Outer Right Sequence: TCTCCGCAGTTTACAGAGCA. Inner Left Sequence: AGAGTTGGCTGTATTTGCGG. Inner Right Sequence: CGGCACATTCTGAAAGTCAA. Inner Primer WT PCR Product: 3298. Deletion size: 1666 bp. Attribution: This strain was provided by the C. elegans Gene Knockout Project at the Oklahoma Medical Research Foundation, which was part of the International C. elegans Gene Knockout Consortium, which should be acknowledged in any publications resulting from its use. Paper_evidence WBPaper00041807

ZK455.1. Previously called gei-22. Homozygous. Outer Left Sequence: CACACACAAAAACGGACAGG. Outer Right Sequence: TCGTTGCTCCAAATCACAAA. Inner Left Sequence: AGACGAGCTTCCAATCTCCA. Inner Right Sequence: TTCCTCCGTTGCGGTAATAG. Inner Primer WT PCR product: 2984. Deletion size: 540 bp. Attribution: This strain was provided by the C. elegans Gene Knockout Project at the Oklahoma Medical Research Foundation, which was part of the International C. elegans Gene Knockout Consortium, which should be acknowledged in any publications resulting from its use. Paper_evidence WBPaper00041807

K08E3.4. Homozygous. Outer Left Sequence: GGATGGACTCGAACCAAAAA. Outer Right Sequence: TTCTGGAGGGTCTCTGCCTA. Inner Left Sequence: TTGCAGGAAACACAACGAAG. Inner Right Sequence: CAAATTTGCCATATGTTGCG. Inner Primer WT PCR product: 2983. Deletion size: 1146 bp. Attribution: This strain was provided by the C. elegans Gene Knockout Project at the Oklahoma Medical Research Foundation, which was part of the International C. elegans Gene Knockout Consortium, which should be acknowledged in any publications resulting from its use. Paper_evidence WBPaper00041807

R02D3.1. Homozygous. Outer Left Sequence: TGTTCAAGCGTAACACGACC. Outer Right Sequence: AAACCATTTGGATTGCCGTA. Inner Left Sequence: CAGATGTCTGCCGCTGTAAC. Inner Right Sequence: TTCAACACAACCAAATCCGA. Inner Primer WT PCR product: 3055. Deletion size: 923 bp. Attribution: This strain was provided by the C. elegans Gene Knockout Project at the Oklahoma Medical Research Foundation, which was part of the International C. elegans Gene Knockout Consortium, which should be acknowledged in any publications resulting from its use. Paper_evidence WBPaper00041807

C08B6.4. Homozygous. Outer Left Sequence: AACACAACGAGGGACCTGAC. Outer Right Sequence: TGAACGCATCTGGATCATGT. Inner Left Sequence: GAGTCGGGGAAAAAGGGATA. Inner Right Sequence: GGTCGACCTAATGGAGACCA. Inner Primer WT PCR product: 2177. Deletion size: 1624 bp. Attribution: This strain was provided by the C. elegans Gene Knockout Project at the Oklahoma Medical Research Foundation, which was part of the International C. elegans Gene Knockout Consortium, which should be acknowledged in any publications resulting from its use. Paper_evidence WBPaper00041807

C16C10.12. Homozygous. Outer Left Sequence: GAGAAAGTGAGCTCCGCAAT. Outer Right Sequence: GCCTACAAAAATGCCATTCG. Inner Left Sequence: ATCACATCGAGGCAAGCTCT. Inner Right Sequence: CAATCGATACAAGCAGCCAA. Inner Primer WT PCR Product: 2693. Deletion size: 635 bp. Attribution: This strain was provided by the C. elegans Gene Knockout Project at the Oklahoma Medical Research Foundation, which was part of the International C. elegans Gene Knockout Consortium, which should be acknowledged in any publications resulting from its use. Paper_evidence WBPaper00041807

K07C11.5. Homozygous. Outer Left Sequence: GAACGGCCTATGGTGACACT. Outer Right Sequence: TGAGCAGAACGAAAGGAGGT. Inner Left Sequence: GACAATTGTTTTTGGACGGG. Inner Right Sequence: CCGAGCAAATTTGGAAACAT. Inner Primer WT PCR product: 2642. Deletion size: 1680 bp. Attribution: This strain was provided by the C. elegans Gene Knockout Project at the Oklahoma Medical Research Foundation, which was part of the International C. elegans Gene Knockout Consortium, which should be acknowledged in any publications resulting from its use. Paper_evidence WBPaper00041807

Y48C3A.14 [Merged Y48C3A.15 in to this gene based on BLASTX homologies.] Homozygous. Outer Left Sequence: GACACCCTTGGTGTTCAGGT. Outer Right Sequence: ATCACTTTTCCTCGGGGAGT. Inner Left Sequence: TTGTGGCGACTCTGATGAAG. Inner Right Sequence: ACGAACATTTGAATTTCCCG. Inner Primer WT PCR Product: 2998. Deletion size: 2275 bp; includes insertion of approximately 1150 bp at break. Attribution: This strain was provided by the C. elegans Gene Knockout Project at the Oklahoma Medical Research Foundation, which was part of the International C. elegans Gene Knockout Consortium, which should be acknowledged in any publications resulting from its use. Paper_evidence WBPaper00041807

ZK970.6. Homozygous. Outer Left Sequence: CGGTGTCATTTCAGAGAGCA. Outer Right Sequence: GTTGAGGCAACCTTAAGCGA. Inner Left Sequence: TTGCTCAGCTTTTGGCCTAT. Inner Right Sequence: AGTGCGGATTGTCTGGAAAG. Inner Primer WT PCR Product: 3316. Deletion size: 2542 bp. Attribution: This strain was provided by the C. elegans Gene Knockout Project at the Oklahoma Medical Research Foundation, which was part of the International C. elegans Gene Knockout Consortium, which should be acknowledged in any publications resulting from its use. Paper_evidence WBPaper00041807

F11C7.4 Homozygous. Outer Left Sequence: TGAATCTTTGCAATTCGTGG. Outer Right Sequence: CTTGGTGTTCAACATGACCG. Inner Left Sequence: ATTGGCAAACGATTTTCTCG. Inner Right Sequence: CAGTCAACGGACAGCTTGAA. Inner Primer WT PCR Product: 3232. Deletion size: 843 bp. Attribution: This strain was provided by the C. elegans Gene Knockout Project at the Oklahoma Medical Research Foundation, which was part of the International C. elegans Gene Knockout Consortium, which should be acknowledged in any publications resulting from its use. Paper_evidence WBPaper00041807

B0348.4a Homozygous. Outer Left Sequence: ACATCCGGAGCTAAAGCAGA. Outer Right Sequence: CGCCGAGAAAGCAATAGAAC. Inner Left Sequence: TGCTACCTATTGGGTTTCGG. Inner Right Sequence: TGGCCGAGTTTTCTCATCTC. Inner Primer PCR Length: 2928. Estimated Deletion Size: about 800 bp. Attribution: This strain was provided by the C. elegans Gene Knockout Project at the Oklahoma Medical Research Foundation, which was part of the International C. elegans Gene Knockout Consortium, which should be acknowledged in any publications resulting from its use. Paper_evidence WBPaper00041807

K06B9.5. Homozygous. Outer Left Sequence: GGGCAGAACACGAATTTTTC. Outer Right Sequence: GCACATCCCTGGTTGAAACT. Inner Left Sequence: CGCAAATTTGGTCCTGAAAT. Inner Right Sequence: CTCCGCCTACTGTTAGCTCG. Inner Primer WT PCR product: 2959. Deletion size: 1620 bp. Attribution: This strain was provided by the C. elegans Gene Knockout Project at the Oklahoma Medical Research Foundation, which was part of the International C. elegans Gene Knockout Consortium, which should be acknowledged in any publications resulting from its use. Paper_evidence WBPaper00041807

T09A12.4. Homozygous. Outer Left Sequence: GGTATCTGCCTTGTTCTGCC. Outer Right Sequence: GAAACGATGCTCATGCTCAA. Inner Left Sequence: AACCGCGAACAACGAGTTAC. Inner Right Sequence: CAGGGGAACCGCTAGACATA. Inner Primer WT PCR product: 3091. Deletion size: 1317 bp. Attribution: This strain was provided by the C. elegans Gene Knockout Project at the Oklahoma Medical Research Foundation, which was part of the International C. elegans Gene Knockout Consortium, which should be acknowledged in any publications resulting from its use. Paper_evidence WBPaper00041807

C43E11.6. Homozygous. Outer Left Sequence: ATCGCAATTTTCTCCATTCG. Outer Right Sequence: GCGTACTTCTTTCGGAGTGG. Inner Left Sequence: TATTCCGATTCCACACAGCA. Inner Right Sequence: CGATGCGTCAATTTATGTGG. Inner Primer WT PCR Product: 3254. Deletion size: 1032 bp. Attribution: This strain was provided by the C. elegans Gene Knockout Project at the Oklahoma Medical Research Foundation, which was part of the International C. elegans Gene Knockout Consortium, which should be acknowledged in any publications resulting from its use. Paper_evidence WBPaper00041807

T27A10.7. Homozygous. Outer Left Sequence: TCCATGCGAATTGTTGAAAA. Outer Right Sequence: ATCCGCATCTGAATGAGCTT. Inner Left Sequence: TGTCTCCACTGCTAACACGC. Inner Right Sequence: CCGCCCATCAAAAAGATAAA. Inner Primer WT PCR product: 2628. Deletion size: 1242 bp. Attribution: This strain was provided by the C. elegans Gene Knockout Project at the Oklahoma Medical Research Foundation, which was part of the International C. elegans Gene Knockout Consortium, which should be acknowledged in any publications resulting from its use. Paper_evidence WBPaper00041807

K06B9.5. Homozygous. Outer Left Sequence: GGGCAGAACACGAATTTTTC. Outer Right Sequence: GCACATCCCTGGTTGAAACT. Inner Left Sequence: CGCAAATTTGGTCCTGAAAT. Inner Right Sequence: CTCCGCCTACTGTTAGCTCG. Inner Primer WT PCR product: 2959. Deletion size: 712 bp. Attribution: This strain was provided by the C. elegans Gene Knockout Project at the Oklahoma Medical Research Foundation, which was part of the International C. elegans Gene Knockout Consortium, which should be acknowledged in any publications resulting from its use. Paper_evidence WBPaper00041807

C26D10.4. Homozygous. Outer Left Sequence: GTTACTGAATTGCCGTGCCT. Outer Right Sequence: CAAAAGTGTACCGCTGGGTT. Inner Left Sequence: AAAAATCACGAGATTCCGCA. Inner Right Sequence: CATCATCATTGATCGCTTGG. Inner Primer WT PCR Product: 3275. Deletion size: 1473 bp. Attribution: This strain was provided by the C. elegans Gene Knockout Project at the Oklahoma Medical Research Foundation, which was part of the International C. elegans Gene Knockout Consortium, which should be acknowledged in any publications resulting from its use. Paper_evidence WBPaper00041807

Y38A10A.5. Homozygous. Outer Left Sequence: TATGGCACTTCGTCAGATGG. Outer Right Sequence: CATTGTCGTAGCAGACGAGC. Inner Left Sequence: TGTCGAGAGGAATCGATGTG. Inner Right Sequence: TTTGCTCTTGTTCGGTTTCA. Inner Primer WT PCR product: 2134. Deletion size: 1287 bp. Attribution: This strain was provided by the C. elegans Gene Knockout Project at the Oklahoma Medical Research Foundation, which was part of the International C. elegans Gene Knockout Consortium, which should be acknowledged in any publications resulting from its use. Paper_evidence WBPaper00041807