Search Strains

arTi362 [rps-27p::TIR1(lox2272-flexon-lox2272)::unc-54 3'UTR + HygroR] V (-19.98). The first intron of TIR1 was replaced with a Flexon containing two lox2272 sites. TIR1 is expressed at a high level in lineages where Cre is expressed. Reference: Wittes J & Greenwald I. (2024). New Flexon-based reagents for tissue-specific Auxin-Inducible Degradation and for characterizing Cre and Flp drivers in C. elegans. microPublication Biology. 10.17912/micropub.biology.001315.

arTi361 [rps-27p::GFP(lox2272-flexon-lox2272)::H2B::unc-54 3'UTR + NeoR] I (-12.74). First intron of GFP is replaced with a Flexon containing two lox2272 sites. GFP::H2B is expressed at a high level in lineages where Cre is expressed with a second transgene. Transgene maps to -12.74 (I). Reference: Wittes J & Greenwald I. (2024). New Flexon-based reagents for tissue-specific Auxin-Inducible Degradation and for characterizing Cre and Flp drivers in C. elegans. microPublication Biology.

arTi443 [rps-27p::TIR1(F79G)(lox2272-flexon-lox2272)::unc-54 3'UTR + HygroR] V (+21.99). The first intron of TIR1(F79G) was replaced with a Flexon containing two lox2272 sites. TIR1(F79G) is expressed at a high level in lineages where Cre is expressed with a second transgene. Reference: Wittes J & Greenwald I. (2024). New Flexon-based reagents for tissue-specific Auxin-Inducible Degradation and for characterizing Cre and Flp drivers in C. elegans. microPublication Biology. 10.17912/micropub.biology.001315.

arTi452 [rps-27p::GFP(LoxP-flexon-LoxP)::H2B::unc-54 3'UTR + NeoR] I (-4.81). First intron of GFP is replaced with a Flexon containing two loxP sites. GFP::H2B is expressed at a high level in lineages where Cre is expressed with a second transgene. Reference: Wittes J & Greenwald I. (2024). New Flexon-based reagents for tissue-specific Auxin-Inducible Degradation and for characterizing Cre and Flp drivers in C. elegans. microPublication Biology. 10.17912/micropub.biology.001315.

arTi461 [rps-27p::GFP(FRT-flexon-FRT)::H2B::unc-54 3'UTR + NeoR] I (-3.80). The first intron of GFP was replaced with a Flexon containing two FRT sites. GFP::H2B is expressed at a high level in lineages where Flp recombiase is expressed with a second transgene. Flexon contains two FRT sites. Reference: Wittes J & Greenwald I. (2024). New Flexon-based reagents for tissue-specific Auxin-Inducible Degradation and for characterizing Cre and Flp drivers in C. elegans. microPublication Biology. 10.17912/micropub.biology.001315.

aSi10 [lox2272 Cbr-unc-119(+) lox2272 + loxP::unc-54 3’UTR::Split 3’ HygR::tjp2a_guide::Split 3’ mScarlet-I::egl-13nls::tbb-2 3’UTR]?II. Strain contains a specialized safe harbor transgene landing pad for integration of promoters to drive mScarlet. Reference: Stevenson ZC, et al. bioRxiv 2022.10.30.514301; doi: https://doi.org/10.1101/2022.10.30.514301. Paper accepted at eLife.

pkIs1582 [let-858::GFP + rol-6(su1006)] V. Homozygous lethal lsm-8 deletion balanced by GFP-marked nT1 translocation. xe17 generated by CRISPR/Cas9-engineered replacement of the gene with a red pharyngeal marker. lsm-8 heterozygotes are wild-type (will roll in this case because of pkIs1582) green & red pharynx, and will segregate rolling heterozygotes (green & red pharynx), arrested nT1[qIs51] aneuploids (only green pharynx), and lsm-8 homozygotes (only red pharynx). Homozygous nT1[qIs51] inviable. Pick rollers with green & red pharynx and check for correct segregation of progeny to maintain. Reference: Mattout A, et al. Nat Cell Biol. 2020 May;22(5):579-590. PMID: 32251399

xeSi302 [nhx-2p::npp-9::GFP::BLRP::3xFLAG::unc-54 3'UTR + Cbr-unc-119(+)] II. gwIs114 [hsp-16.2p::hlh-1 + rol6(su1006)]. Intestine-specific expression of nuclear GFP reporter. Rollers have heat-shock-inducible expression of hlh-1 transcription factor. gwIs114 was generated using constructs provided by Michael W. Krause`s lab (NIDDK). Reference: Gonzalez-Sandoval A, et al. Cell. 2015 Dec 3;163(6):1333-47. doi: 10.1016/j.cell.2015.10.066. PMID: 26607792.

goeIs240 [hsp-16.2p::flp-11::SL2::mKate2::unc-54 3'UTR + unc-119(+)]. Likely intergrated into LG I or LG III. Heat shock-induced over-expression of FLP-11 neuropeptide causes behavioral quiescence. Reference: Turek et al. eLife 2016;5:e12499.

goeIs247 [ceh-24p::GCaMP6s::mKate2::unc-54 3'UTR + unc-119(+)]. Reporter expresses calcium sensor GCaMP6s with expression control mKate2. Reference: Schwarz J & Bringmann H. eLife 2017;10.7554/eLife.24846.

goeIs288 [flp-11p::mKate2::unc-54 3'UTR + unc-119(+)]. Low copy number insertion. Integration site unknown, but likely not in LG II. Reference: Turek et al. eLife 2016;5:e12499.

goeIs326 [hsp-16.2p::nlp-29::SL2::mKate2::unc-54 3'UTR + unc-119(+)]. Over-expression of nlp-29::SL2::mKate2 after heat shock causes increased quiescence in adults. Reference: Sinner MP, et al. Curr Biol. 2021 Feb 8;31(3):564-577.e12. PMID: 33259791

goeIs388 [hsp-16.2p::cnc-1::SL2::mKate2::unc-54 3'UTR + unc-119(+)]. Over-expression of cnc-1::SL2::mKate2 after heat shock causes increased quiescence in adults. Reference: Sinner MP, et al. Curr Biol. 2021 Feb 8;31(3):564-577.e12. PMID: 33259791

goeIs397 [hsp-16.2p::cnc-10::SL2::mKate2::unc-54 3'UTR + unc-119(+)]. Over-expression of cnc-10::SL2::mKate2 after heat shock. Reference: Sinner MP, et al. Curr Biol. 2021 Feb 8;31(3):564-577.e12. PMID: 33259791

goeIs406 [hsp-16.2p::nlp-31::SL2::mKate2::unc-54 3'UTR + unc-119(+)]. Over-expression of nlp-31::SL2::mKate2 after heat shock. Reference: Sinner MP, et al. Curr Biol. 2021 Feb 8;31(3):564-577.e12. PMID: 33259791

goeIs408 [hsp-16.2p::nlp-27::SL2::mKate2::unc-54 3'UTR + unc-119(+)]. Over-expression of nlp-27::SL2::mKate2 after heat shock. Reference: Sinner MP, et al. Curr Biol. 2021 Feb 8;31(3):564-577.e12. PMID: 33259791

goeIs407 [hsp-16.2p::cnc-2::SL2::mKate2::unc-54 3'UTR + unc-119(+)]. Over-expression of cnc-2::SL2::mKate2 after heat shock. Reference: Sinner MP, et al. Curr Biol. 2021 Feb 8;31(3):564-577.e12. PMID: 33259791

goeIs409 [hsp-16.2p::nlp-32::SL2::mKate2::unc-54 3'UTR + unc-119(+)]. Over-expression of nlp-32::SL2::mKate2 after heat shock. Reference: Sinner MP, et al. Curr Biol. 2021 Feb 8;31(3):564-577.e12. PMID: 33259791

goeIs410 [hsp-16.2p::cnc-6::SL2::mKate2::unc-54 3'UTR + unc-119(+)]. Over-expression of cnc-6::SL2::mKate2 after heat shock. Reference: Sinner MP, et al. Curr Biol. 2021 Feb 8;31(3):564-577.e12. PMID: 33259791

goeIs5 [nmr-1p::SL1::GCaMP3.35::SL2::unc-54 3'UTR + unc-119(+)]. Reporter allows visualization of several command interneurons. Reference: Schwarz J & Bringmann H. PLoS One. 2013 Sep 20;8(9):e75853.

goeIs411 [hsp-16.2p::cnc-4::SL2::mKate2::unc-54 3'UTR + unc-119(+)]. Over-expression of cnc-4::SL2::mKate2 after heat shock. Reference: Sinner MP, et al. Curr Biol. 2021 Feb 8;31(3):564-577.e12. PMID: 33259791

goeIs412 [hsp-16.2p::cnc-7::SL2::mKate2::unc-54 3'UTR + unc-119(+)]. Over-expression of cnc-7::SL2::mKate2 after heat shock. Reference: Sinner MP, et al. Curr Biol. 2021 Feb 8;31(3):564-577.e12. PMID: 33259791

goeIs413 [hsp-16.2p::cnc-9::SL2::mKate2::unc-54 3'UTR + unc-119(+)]. Over-expression of cnc-9::SL2::mKate2 after heat shock. Reference: Sinner MP, et al. Curr Biol. 2021 Feb 8;31(3):564-577.e12. PMID: 33259791

goeIs431 [hsp-16.2p::nlp-25::SL2::mKate2::unc-54 3'UTR + unc-119(+)]. Over-expression of nlp-25::SL2::mKate2 after heat shock. Reference: Sinner MP, et al. Curr Biol. 2021 Feb 8;31(3):564-577.e12. PMID: 33259791

goeEx711 [nlp-42p::mGFP::unc-54 3'UTR + unc-119(+)]. Pick non-Unc to maintain. Construct contains 2000 bp of nlp-42 promoter upstream of start. Expression pattern is variable between worms.

goeIs22 [mec-4p::SL1::GCaMP3.35::SL2::mKate2::unc-54 3'UTR + unc-119(+)]. Reporter allows visualization of several mechanosensitive neurons. Reference: Schwarz J & Bringmann H. PLoS One. 2013 Sep 20;8(9):e75853.

goeEx737 [flp-24p::SL1::GCaMP3.35-SL2::SL2::mKate2::unc-54 3'UTR + unc-119(+)]. ALA-specific expression of GCaMP with an additional mKate marker for expression reference. Pick mKate+ to maintain. High transmission rate (>99%). Reference: Konietzka et al. 2019. Current Biology (accepted).

unc-58(L428F) was knocked into the endogenous locus of flp-11 to express a sodium channel in RIS that causes strong overactivation of RIS. Reference: Busack I & Bringmann H. PLOS Genetics 19(3): e1010665. https://doi.org/10.1371/journal.pgen.1010665.

goeEx361 [ceh-24p::ReaChr::mKate2::unc-54 3'UTR + unc-119(+)]. Pick non-Unc to maintain. Reporter expresses ReaChr with expression control mKate2. Reference: Schwarz J & Bringmann H. eLife 2017;10.7554/eLife.24846.

Temperature sensitive Unc.

cshIs140 [rps-28p::TIR1(F79G)::T2A::mCherry::his-11 + Cbr-unc-119(+)] II. ieSi58 [eft-3p::AID*::GFP::unc-54 3'UTR + Cbr-unc-119(+)] IV. Ubiquitously expressed single copy, modified TIR1 allele, TIR1(F79G) that is compatible with 5-PH-IAA and can be used to deplete auxin-induced degradation-tagged (AID-tagged) proteins. Efficiently depletes target proteins at 1 µM 5-Ph-IAA. Nuclear localized mCherry co-expression marker. Reference: Hills-Muckey et al. Genetics. 2022 Feb 4;220(2):iyab174. doi: 10.1093/genetics/iyab174. PMID: 34739048.

cshIs128 [rps-28p::TIR1::T2A::mCherry::his-11 + Cbr-unc-119(+)] II. ieSi58 [eft-3p::AID*::GFP::unc-54 3'UTR + Cbr-unc-119(+)] IV. Companion strain to HML1012. Harbors conventional allele of TIR1 and Nuclear localized mCherry co-expression marker.

Heterozygotes are WT and segregate WT, DpyUncs and Unc Steriles that are slightly Long. sb56 is a recessive zygotic suppressor of let-502(ca201) early larval lethality. Likely null of mel-11.

Dominant temperature sensitive maternal-effect embryonic lethal. Maintain at 15C. Heterozygotes are WT. hIn1 homozygotes are Unc. Early cleavage spindles small and misoriented, cytokinesis often incomplete. Recessive non-temperature sensitive maternal-effect embryonic lethal (but sterile in conjuction with unc-59).

osIs158 [eft-3p::ccvTIR-1(F79G)::mRuby] single copy inserted into ttTi5605 on LG II. ieSi58 [eft-3p::AID*::GFP::unc-54 3'UTR + Cbr-unc-119(+)] IV. This strain expresses the improved version of TIR1 used for improved auxin-inducible degradation (AID2) technology. Reference: Negishi T, et al. Genetics. 2021 Dec 2;iyab218. doi: 10.1093/genetics/iyab218.

ieSi58 [eft-3p::AID*::GFP::unc-54 3'UTR + Cbr-unc-119(+)] IV. osIs182 [eft-3p::TIR1(F79G) + LoxP + myo-2p::GFP + rps-27p::neoR + LoxP] V. ieSi58 is a single copy transgene inserted into chromosome IV (oxTi177) expressing degron::GFP in the soma. osIs182 is a single copy insertion of TIR1(F79G) into chromosome V (oxTi365) and expresses the improved version of TIR1 used for improved auxin-inducible degradation (AID2) technology. Reference: Negishi T, et al. Genetics. 2021 Dec 2;iyab218. doi: 10.1093/genetics/iyab218.

Heterozygotes are WT and segregate WT, Roller Unc and embryonic lethals.

Heterozygotes are wild type and segregate wild type heterozygotes, paralyzed DpyUncs, and Uncs with germline tumors. Pick WT and check segregation of progeny to maintain. Reference: Vaid S, et al. Development. 2013 Apr;140(8):1645-54.

Heterozygotes are WT and segregate WT, DpyUncs and unc-104(ut60) animals which are L1 lethal coilers.

Heterozygotes are slow (weak) Uncs and segregate paralyzed Uncs and early larval lethals. Dead larvae (ut111 homozygotes) are short, 2-fold and have an irregular shape.

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). Somatic expression of sfGFP(1-10) driven by the eft-3 promoter. GFP11 tag inserted into endogenous lmn-1 locus via CRISPR/Cas9 insertion into parental strain DQM104. Reference: Gregory EF, et al. MicroPubl Biol. 2023 Dec 13:2023:10.17912/micropub.biology.001022. doi: 10.17912/micropub.biology.001022. eCollection 2023. PMID: 38152058.

Heterozygotes are WT and segregate WT, DpyUncs and dead eggs. The nos-2(ok230) allele is due to deletion of bases 30999 to 33076 of cosmid ZK1127 (GenBank accession U58758) and also deletes a portion of the him-14 gene (him-14 is in an intron of nos-2).

axIs1716 [pie-1p::GFP::histone H2B::unc-54 3'utr + unc-119(+)]. Transgene is prone to silencing -- maintain at 25C. Transgene is slightly unstable. Pick non-Unc, GFP+ worms to maintain.

ujIs113 [pie-1p::mCherry::H2B::pie-1 3'UTR + nhr-2p::his-24::mCherry::let-858 3'UTR + unc-119(+)]. stIs10286 [nob-1::GFP::unc-54 3'UTR + rol-6(su1006)]. stIs10286 contains 9kb promoter and full nob-1 transcript fused to GFP. Reference: Zhao Z, et al. PLoS Genet. 2010 Sep 2;6(9):e1001089.

hmp-2(zu364) homozygotes are 99% embryonic or L1 lethal due to a defect in embryonic body elongation; approximately 1% survive to adult stages. Well balanced by hIn1. Maintain by picking WT.

Heterozygotes are WT and segregate WT, Uncs, dead larvae (par-6 homozygotes) and males.

Heterozygotes are WT and segregate WT, DpyUnc and Rollers. Rollers give only dead eggs. Maintain by picking WT. mex-1 is to the right of rol-1, is uncovered by mnDf87 and is allelic to mel-21.

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.