Search Strains

Heterozygotes are WT and segregate WT and dead eggs. 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 David Baillie.

sEx239 [BO361 (III) + pCes1943[rol-6(su1006)]]. segrgnt 2. A small amount of cosmid BO361 + 100 ng/ul pCes1943[rol-6(su1006dm)] injected into hermaphrodite from BC842 (N2 male strain). pCes1943 carries rol-6(su1006) [an EcoRI insert from pRF4] and a kanamycin cassette. Select Rollers to maintain. Presence of cosmid confirmed by PCR. This transgenic strains were constructed in collaboration with the C. elegans Genome Sequencing Consortium Labs in St. Louis, MO and Hinxton, Cambridge, UK. Funding for the creation of this transgenic strain was provided by a grant to Ann Rose and David Baillie from the Canadian Genome Analysis and Technology Program (CGAT), and from a grant from NSERC (Canada) to David Baillie. If you use this strain in work which you publish, please acknowledge these grants.

sEx398 [R07E5 (III) + pCes1943[rol-6(su1006)]]. A small amount of R07E5 + 100 ng/ul pCes1943[rol-6(su1006dm)] injected into hermaphrodite from BC842 (N2 male strain). pCes1943 carries rol-6(su1006) [an EcoRI insert from pRF4] and a kanamycin cassette. Select Rollers to maintain. Presence of cosmid confirmed by PCR. This transgenic strains were constructed in collaboration with the C. elegans Genome Sequencing Consortium Labs in St. Louis, MO and Hinxton, Cambridge, UK. Funding for the creation of this transgenic strain was provided by a grant to Ann Rose and David Baillie from the Canadian Genome Analysis and Technology Program (CGAT), and from a grant from NSERC (Canada) to David Baillie. If you use this strain in work which you publish, please acknowledge these grants.

Heterozygotes are WT and segregate more WT, Uncs and L1 lethals. Pick WT to maintain. 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 David Baillie.

Heterozygotes are semi-Dpy and segregate more semi-Dpy, Dpy(ts)Bli(late) and early larval lethals. Pick semi-Dpy to maintain. (Some reports indicate that sDf4 is not transferred through sperm.) 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 David Baillie.

Throws Unc-36 and WT. Maintain by picking WT. 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 David Baillie.

Homozygotes are short, dumpyish in L4 and adult. Roller in L3. Hets Roll. M-MATING+POOR <1%WT

As homozygote suppresses blister formation in bli-1(sc73), bli-2(sc768) and bli-6(sc16). WT phenotype. Males sometimes have small blisters above their bursas. Males mate well. See wbg9.1p51.

Heterozygotes Roll. M-MATING+POOR <1%WT.

Dominant. Heterozygotes are Rollers. Temperature sensitive. At 25C: homozygotes are Sqt; heterozygotes are rollers. AT 16C: homozygotes are WT (a few adults may roll weakly); heterozygotes are WT. M-MATING+LOW TEMP ONLY.

Adults and L4 animals roll left. Recessive. M-MATING++ 1-10%WT. PKA rol-4.

bqSi577 [myo-2p::GFP + unc-119(+)] IV. Expresses GFP in pharyngeal muscles. Single-copy insertion in the MosSCI locus cxTi10882 on chromosome IV. Obtained via the outcrossing of strain BN578 with N2. Reference: Toker IA, et al. Dev Cell. 2022 Feb 7;57(3):298-309.e9. PMID: 35134343.

bqSi577 [myo-2p::GFP + unc-119(+)] IV. Germline granules defective, ~30% sterility. Males fail to be attracted by hermaphrodite-secreted volatile sex pheromones. Express GFP in pharyngeal muscles. Reference: Toker IA, et al. Dev Cell. 2022 Feb 7;57(3):298-309.e9. PMID: 35134343

mjIs134 [mex-5p::GFP::(Gly)5Ala::his-58::tbb-2 3'UTR + Cbr-unc-119(+)] II. N-terminal Auxin-Inducible AID-1* and HA tag inserted into the endogenous hrde-1 locus. GFP fluorescence in germline (mex-5::gfp). Control strain for BFF69; does not carry TIR1 transgene necessary for the degradation. hrde-1(pig6) crRNA sequence: CAUAAUUUUGUCGAGCAAGU. Reference: Toker IA, et al. Dev Cell. 2022 Feb 7;57(3):298-309.e9. PMID: 35134343.

mjIs134 [mex-5p::GFP::(Gly)5Ala::his-58::tbb-2 3'UTR + Cbr-unc-119(+)] II. ieSi38 [sun-1p::TIR1::mRuby::sun-1 3'UTR + Cbr-unc-119(+)] IV. N-terminal Auxin-Inducible AID* and HA tag inserted into the endogenous hrde-1 locus. Germline-expressed TIR1 and germline GFP. Allows for the degradation of hrde-1 and heritable RNAi deficiency in the presence of auxin. hrde-1(pig6) crRNA sequence: CAUAAUUUUGUCGAGCAAGU. Reference: Toker IA, et al. Dev Cell. 2022 Feb 7;57(3):298-309.e9. PMID: 35134343.

bqSi577 [myo-2p::GFP + unc-119(+)] IV. Germ granule defective, ~30 sterility. Express GFP in pharyngeal muscles. Reference: Toker IA, et al. Dev Cell. 2022 Feb 7;57(3):298-309.e9. PMID: 35134343

qpIs11 [vha-1p::GFP + unc-119(+)] I. Strong expression of GFP in the cytoplasm of the excretory canal cell (exc) and slightly less strong expression in the head mesodermal cell (hmc). Reference: Mattingly BC & Buechner M. Dev Biol. 2011 Nov 1;359(1):59-72.

GFP::3xFlag tag inserted at N-terminus of endogenous ifc-2 locus. Strong GFP signal forming meshwork at lumenal surface of excretory canal cell, visible along entire canal lengths. Insertion between bases 650089 and 650090 of Chrom. X (Wormbase WS297 release). Reference: Al-Hashimi H, et al. Genetics. 2018 Oct;210(2):637-652. doi: 10.1534/genetics.118.301078. PMID: 29945901.

mKate2::3xMyc tag inserted at N-terminus of endogenous ifa-4 locus. Strong mKate2 signal at lumenal surface of excretory canal cell lumen along entire canal lengths. Insertion between bases 4515979 and 4515978 of Chom. X (Wormbase WS297 release). Reference: Al-Hashimi H, et al. Genetics. 2018 Oct;210(2):637-652. doi: 10.1534/genetics.118.301078. PMID: 29945901.

GFP::3xFlag tag inserted at N-terminus of endogenous ifc-2 locus. mKate2::3xMyc tag inserted at N-terminus of endogenous ifa-4 locus. Strong GFP signal forming meshwork at lumenal surface of excretory canal cell. Strong GFPand mKate2 signal at lumenal surface of excretory canal cell lumen along entire canal lengths. qpIs112 insertion made in parental strain BK531 qpIs111. Inserted between bases 4515979 and 4515978 of Chom. X (Wormbase WS297 release). Reference: Al-Hashimi H, et al. Genetics. 2018 Oct;210(2):637-652. doi: 10.1534/genetics.118.301078. PMID: 29945901.

GFP::3xFlag tag inserted at N-terminus of endogenous exc-9 locus. Large cysts in excretory canal, sometimes visible with dissecting microscope, due to loss of intermediate filament-like protein IFC-2 (formerly called EXC-2). Canals labeled with GFP and 3xFlag. GFP::3xFlag tag was inserted with repair of qp130 deletion in parental strain BK596. Derived by crossing parental strains BK583 x NJ678 and selecting for canal cysts and fluorescence. Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.

GFP::3xFlag tag inserted at N-terminus of endogenous exc-9 locus. Large cysts in excretory canal, sometimes visible with dissecting microscope, due to loss of intermediate filament IFA-4. Canals labeled with GFP and 3xFlag. GFP::3xFlag tag was inserted with repair of qp130 deletion in parental strain BK596. Derived by crossing parental strains BK583 x VC1221 and selecting for canal cysts and fluorescence. Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.

mKate2::3xMyc tag inserted at N-terminus of endogenous ifa-4 locus. GFP::3xFlag tag inserted at N-terminus of endogenous exc-9 locus. GFP::3xFlag tag was inserted with repair of qp130 deletion in parental strain BK596. Strong mKate2 signal at lumenal surface of excretory canal cell lumen and along entire canal lengths. Canals labeled with GFP and 3xFlag. Derived by crossing parental strains BK583 x BK532 and selecting for canal cysts and both GFP and mKate fluorescence. Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.

GFP::3xFlag tag inserted at C-terminus of endogenous exc-9 locus. Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.

mKate2::3xMyc tag inserted at N-terminus of endogenous exc-9 locus. Canals labeled with mKate2 and 3xMyc. Tag was inserted with repair of qp130 deletion in parental strain BK596. Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.

CRISPR-induced deletion of bases -1 through +8 of coding region to create a knockout allele of exc-9. Large cysts in excretory canal, sometimes visible with dissecting microscope. Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.

GFP::3xFlag tag inserted at N-terminus of endogenous exc-1 locus. Strong GFP signal forming meshwork at apical (lumenal) surface of excretory canal cell canals visible along entire canal lengths. Expression also visible in uterine seam cell and distal tip cells. Inserted between bases 15477404 and 15477403 of Chrom. X (Wormbase WS297 release). Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.

2nd, 3rd, and 4th Cysteines in EXC-9 LIM domain replaced with Alanines in endogenoulsy-tagged exc-9 locus. Canals slightly shortened. Derived by further CRISPR modification of qp124. Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.

arIs198 [glt-3p::CFP + glt-3p::LifeAct::TagRFP]. Shortened excretory canals from loss of GTPase (IRG homologue). Derived by crossing parental strains NJ51 to GS7637 and outcrossing to remove cyk-1 mutation on LG IV. Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.

arIs198 [glt-3p::CFP + glt-3p::LifeAct::TagRFP]. Large cysts in excretory canal, sometimes visible with dissecting microscope. Fluorescence shows some filamentation of actin fibers at apical (lumenal) surface of cysts. Derived by crossing parental strains NJ731 to GS7637 and outcrossing 3x to remove cyk-1 mutation on LG IV. Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.

arIs198 [glt-3p::CFP + glt-3p::LifeAct::TagRFP]. Large cysts in excretory canal, sometimes visible with dissecting microscope. Fluorescence shows some filamentation of actin fibers at apical (lumenal) surface of cysts. Derived by crossing parental strains MT6984 to GS7637 and outcrossing 3x to remove cyk-1 mutation on LG III. Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.

bqSi189 [lmn-1p::mCherry::his-58 + unc-119(+)] II. GFP tag inserted into N-terminus of endogenous npp-19 using CRISPR/Cas9. FRT sites in GFP introns 1 & 2 (indicated by ">" symbols in genotype) enable FLP-mediated conditional gene knockout. Might still carry unc-119(ed3) or unc-119(ed9) in background. Reference: Thomas L, et al. EMBO J. 42(13): e112987. doi: 10.15252/embj.2022112987. PMID: 37254647.

bqSi536 [hsp16.41p::FRT::mCherry::his-58::FRT::dam::baf-1 + unc-119(+)] II. bqSi548 [dpy-7p::FLP + unc-119(+)] IV. Single-copy Dam::baf-1 and dpy-7p::FLP MosSCI transgenes for identifying DNA contacts of BAF-1 in hypodermal nuclei by DamID. Might still carry unc-119(ed3) or unc-119(ed9) in background. Reference: Romero-Bueno R, et al. EMBO J. 43(22): 5718-5746. doi: 10.1038/s44318-024-00261-8. PMID: 39367234.

bqSi447 [hsp16.41p::FRT::mCherry::his-58::FRT::GFP::dam + unc-119(+)] II. bqSi997 [nhx-2p::FLP::SL2::mNG + unc-119(+)] IV. Single-copy GFP::Dam and nhx-2p::FLP MosSCI transgenes for identifying DNA contacts of BAF-1 in the intestine by DamID. Might still carry unc-119(ed3) or unc-119(ed9) in background. Reference: Romero-Bueno R, et al. EMBO J. 43(22): 5718-5746. doi: 10.1038/s44318-024-00261-8. PMID: 39367234.

bqSi1103 [hsp16.41p::FRT::mCherry::his-58::FRT::dam::hpl-1 + unc-119(+)] II. bqSi997 [nhx-2p::FLP::SL2::mNG + unc-119(+)] IV. Single-copy Dam::hpl-1 and nhx-2p::FLP MosSCI transgenes for HPL-1 DamID in intestine. Might still carry unc-119(ed3) or unc-119(ed9) in background. Reference: Romero-Bueno R, et al. EMBO J. 43(22): 5718-5746. doi: 10.1038/s44318-024-00261-8. PMID: 39367234.

bqSi1104 [hsp16.41p::FRT::mCherry::his-58::FRT::dam::hpl-2 + unc-119(+)] II. bqSi997 [nhx-2p::FLP::SL2::mNG + unc-119(+)] IV. Single-copy Dam::hpl-2 and nhx-2p::FLP MosSCI transgenes for HPL-2 DamID in intestine. Might still carry unc-119(ed3) or unc-119(ed9) in background. Reference: Romero-Bueno R, et al. EMBO J. 43(22): 5718-5746. doi: 10.1038/s44318-024-00261-8. PMID: 39367234.

bqSi189 [lmn-1p::mCherry::his-58 + unc-119(+)] II. npp-25(bq41[npp-25::G>F>P]) III. GFP tag inserted into C-terminus of endogenous npp-25 locus using CRISPR/Cas9. FRT sites in GFP introns 1 & 2 (indicated by ">" symbols in genotype) enable FLP-mediated conditional gene knockout. Might still carry unc-119(ed3) or unc-119(ed9) in the background. Reference: El Mossadeq L, et al. J Cell Biol. 224(3): e202403125. doi: 10.1083/jcb.202403125. PMID: 39724138.

bqSi294 [hsp16.41p::FRT::mCherry::his-58::FRT::GFP::his-58 + unc-119(+)] II. bqSi1381 [dat-1p::FLP::SL2::mNG + unc-119(+)] V. Stable expression of FLP in dopaminergic neurons. Heat shock induces GFP expression in nuclei of dopaminergic neurons and red nuclei elsewhere. Constitutive expression of diffusible mNeonGreen in dopaminergic neurons can mask GFP::HIS-58 signal. Might still carry unc-119(ed3) or unc-119(ed9) in background. Reference: Fragoso-Luna A, et al. Genetics. 223(1). doi: 10.1093/genetics/iyac166. PMID: 36321973.

bqSi294 [hsp16.41p::FRT::mCherry::his-58::FRT::GFP::his-58 + unc-119(+)] II. bqSi1405 [hlh-12p::FLP::SL2::mTagBFP2 + unc-119(+)] V. Stable expression of FLP in distal tip cells. Heat shock induces nuclear GFP expression in the distal tip cells and nuclear mCherry expression elsewhere. Constitutive expression of diffusible mTagBFP2 in the distal tip cells. Might still carry unc-119(ed3) or unc-119(ed9) in background. Reference: Fragoso-Luna A, et al. Genetics. 223(1). doi: 10.1093/genetics/iyac166. PMID: 36321973.

bqSi1411 [hsp16.41p::FRT::mCherry::his-58::FRT::dam::rpb-6 + unc-119(+)] II. bqSi548 [dpy-7p::FLP + unc-119(+)] IV. Single-copy Dam::rpb-6 and dpy-7p::FLP MosSCI transgenes for for transcriptome analysis in hypodermal nuclei using RNA polymerase DamID. Might still carry unc-119(ed3) or unc-119(ed9) in background. Reference: Fragoso-Luna A, et al. Genetics. 223(1). doi: 10.1093/genetics/iyac166. PMID: 36321973.

bqSi1411 [hsp16.41p::FRT::mCh::his-58::FRT::dam::rpb-6 + unc-119(+)] II. bqSi997 [nhx-2p::FLP::SL2::mNG + unc-119(+)] IV. Single-copy Dam::rpb-6 and dpy-7p::FLP MosSCI transgenes for transcriptome analysis in hypodermal nuclei using RNA polymerase DamID. Might still carry unc-119(ed3) or unc-119(ed9) in background. Reference: Romero-Bueno R, et al. EMBO J. 43(22): 5718-5746. doi: 10.1038/s44318-024-00261-8. PMID: 39367234.

bqSi142 [emr-1p::emr-1::mCherry + unc-119(+)] II. Might contain unc-119(ed3) in the background. Single-copy emr-1::mCherry transgene under control of emr-1 regulatory sequences. emr-1(gk119) embryos arrest when lem-2 is depleted by RNAi; bqSi142 fully rescues this phenotype. Reference: Morales-Martínez A, Dobrzynska A, Askjaer P. J Cell Sci. 2015 Feb 4.

bqSi171 [vrk-1p::vrk-1::mCherry + unc-119(+)] IV. vrk-1(ok1181) allele rescued by stable expression of vrk-1::mCherry from single-copy MosSCI transgene. Might still carry unc-119(ed3) in background. Reference: Dobrzynska A & Askjaer P. Dev Biol. 411(2): 246-256. doi: 10.1016/j.ydbio.2016.01.010. PMID: 26827901.

bqSi195 [(pBN65) hsp-16.41p::Dam::Myc::lmn-1 + unc-119(+)] II. Strain for DamID mapping of chromatin associated with the nuclear lamina/LMN-1. Made by MosSCI using strain EG4322 for injection. Might still carry unc-119(ed9) III, which is rescued by bqSi195. Reference: González-Aguilera C, et al. Genome Biol. 2014 Feb 3;15(2):R21.

bqSi196 [hsp-16.41p::GFP::Myc::Dam + unc-119(+)] II. Strain for DamID mapping of chromatin associated with the nuclear lamina/LMN-1. Made by MosSCI using strain EG4322 for injection. Might still carry unc-119(ed9) III, which is rescued by bqSi196. Reference: González-Aguilera C, et al. Genome Biol. 2014 Feb 3;15(2):R21.

bqSi218 [hsp-16.41p::Dam::Myc::emr-1 + unc-119(+)] II. Strain for DamID mapping of chromatin associated with the nuclear lamina/LMN-1. Made by MosSCI using strain EG4322 for injection. Might still carry unc-119(ed9) III, which is rescued by bqSi218. Reference: González-Aguilera C, et al. Genome Biol. 2014 Feb 3;15(2):R21.

bqSi210 [lem-2p::lem-2::GFP + unc-119(+)] II. Might contain unc-119(ed3) in the background. Single-copy lem-2::GFP transgene under control of lem-2 regulatory sequences. lem-2(tm1582) embryos arrest when emr-1 is depleted by RNAi; bqSi210 fully rescues this phenotype. Reference: Morales-Martínez A, Dobrzynska A, Askjaer P. J Cell Sci. 2015 Feb 4.

bqSi210 [lem-2p::lem-2::GFP + unc-119(+)] II. bqSi226 [emr-1p::emr-1::mCherry + unc-119(+)] IV. Might contain unc-119(ed3) in the background. Single-copy lem-2::GFP transgene under control of lem-2 regulatory sequences and emr-1::mCherry under control of emr-1 regulatory sequences. Both transgenes are ubiquitously expressed and able to rescue development of animals without expression of endogenous lem-2 and emr-1. Reference: Morales-Martínez A, Dobrzynska A, Askjaer P. J Cell Sci. 2015 Feb 4.

bqSi235 [emr-1p::emr-1::GFP + unc-119(+)] II. bqSi226 [lem-2p::lem-2::mCherry + unc-119(+)] IV. Might contain unc-119(ed3) in the background. Single-copy emr-1::GFP transgene under control of emr-1 regulatory sequences and lem-2::mCherry under control of lem-2 regulatory sequences. Both transgenes are ubiquitously expressed and able to rescue development of animals without expression of endogenous lem-2 and emr-1. Reference: Morales-Martínez A, Dobrzynska A, Askjaer P. J Cell Sci. 2015 Feb 4.

Heterozygotes are WT and GFP+. ok1954 homozygotes arrest as larvae. Pick GFP+ heterozygotes to maintain. qIs48 is an insertion of ccEx9747 with markers: myo-2::GFP expressed brightly in the pharynx throughout development, pes-10::GFP expressed in embryos, and a gut promoter driving GFP in the intestine, and is homozygous lethal. Reference: Rodenas E, et al. Mol Biol Cell. 2012 Mar;23(5):930-44.