Search Strains

bmdSi243 (LoxN + cdh-3p::TIR1::F2A::DHB::2xmTurquoise2) I. bmdSi243 is a MosSCI insertion. mNG tag inserted into the C-temrinus of the endogenous unc-34 locus. mKate2 tag inserted into the C-temrinus of the endogenous lam-2 locus.

bmdSi327 [loxN::ckb-3p::FLP::P2A::H2B::2xmTurq2]; inserted into safe harbor site ttTi4348 in Chr I. Uterine-specific expression of FLPase in Z1/Z4 and their descendants with blue fluorescent histone reporter for visualization. Reference: Xiao Y, et al. An expandable FLP-ON::TIR1 system for precise spatiotemporal protein degradation in C. elegans. bioRxiv 2022.10.14.512315; doi: https://doi.org/10.1101/2022.10.14.512315

bmdSi346 [loxN::lin-31p::FLP]; inserted into safe harbor site ttTi4348 in Chr I. bmdSi297 [loxN::rpl-28p::FRT3::STOP::FRT3::TIR1(F79G)::T2A::DHB::2xmKate2]; inserted into safe harbor site ttTi5605 in Chr II. FLP-ON::TIR1 system for AID-tagged protein degradation in VPCs. High levels of TIR1(F79G) expression in vulval precursor cells by lin-31p::FLP with co-expression of CDK activity sensor. bmdSi297 contains the ubiquitous rpl-28 promoter driving expression of FRT3::STOP::FRT3::TIR1(F79G)::DHB construct dependent upon tissue-specific FLPase. High levels of TIR1(F79G) can be expressed in specific tissue or cell types via FLPase activity, allowing spatiotemporally-targeted degradation of AID-tagged proteins. Reference: Xiao Y, et al. An expandable FLP-ON::TIR1 system for precise spatiotemporal protein degradation in C. elegans. bioRxiv 2022.10.14.512315; doi: https://doi.org/10.1101/2022.10.14.512315

bmdSi348 [loxN::rgef-1p::FLP::P2A::H2B::2xmTurq2]; inserted into safe harbor site ttTi4348 in Chr I. Pan-neuronal expression of FLPase with blue fluorescent histone reporter for visualization. Reference: Xiao Y, et al. An expandable FLP-ON::TIR1 system for precise spatiotemporal protein degradation in C. elegans. bioRxiv 2022.10.14.512315; doi: https://doi.org/10.1101/2022.10.14.512315

bmdSi350 [loxN::wrt-2p::FLP::P2A::H2B::2xmTurq2]; inserted into safe harbor site ttTi4348 in Chr I. Hypodermal (seam cell) expression of FLPase with blue fluorescent histone reporter for visualization. Reference: Xiao Y, et al. An expandable FLP-ON::TIR1 system for precise spatiotemporal protein degradation in C. elegans. bioRxiv 2022.10.14.512315; doi: https://doi.org/10.1101/2022.10.14.512315

bmdSi338 [^SEC^lin-29p::FLP::p2A::H2B::2xmTurq2] I. qyIs225 [cdh-3p::mCherry::moeABD] V. Pick Rollers to maintain. Wild-type growth and movement. mNG tag inserted into endogenous lam-2 locus. Anchor cell-specific FLP for targeted protein degradation. Reference: Xiao Y, et al. Genetics. 2023 PMID: 36722258.

bmdSi348 [loxN::rgef-1p::FLP::P2A::H2B::2xmTurq2]; inserted into safe harbor site ttTi4348 in Chr I. bmdSi362 [loxN::rpl-28p::FRT3-LCK::mNG-STOP::FRT3::TIR1(F79G)::2A::PH::2xmKate2]; inserted into safe harbor site ttTi5605 in Chr II. FLP-ON::TIR1 system for AID-tagged protein degradation in neurons. High levels of TIR1(F79G) expression in neurons by rgef-1p::FLP with co-expression of membrane markers. bmdSi362 contains the ubiquitous rpl-28 promoter driving expression of FRT3-LCK::mNG-STOP::FRT3::TIR1(F79G)::2A::PH::2xmKate2 construct dependent upon tissue-specific FLPase. High levels of TIR1(F79G) can be expressed in specific tissue or cell types via FLPase activity, allowing spatiotemporally-targeted degradation of AID-tagged proteins. Reference: Xiao Y, et al. An expandable FLP-ON::TIR1 system for precise spatiotemporal protein degradation in C. elegans. bioRxiv 2022.10.14.512315; doi: https://doi.org/10.1101/2022.10.14.512315

bmdSi363 [^SEC^ser-2p::mKate2-STOP-STOP-DAMc1::VHH4GFP] I. Pick Rollers to maintain. Wild-type growth. NanoDam toolkit will allows identification of direct genomic targets of TFs as well as chromatin modifiers. In this system, Dam methylase is fused with a binding reagent, an anti-GFP nanobody (vhhGFP4). Thus, genome-wide profiling can be achieved by combining cell type-specific Dam::vhhGFP4 fusion constructs with GFP knock-in alleles.

bmdSi86 [LoxN::rps-27p::DHB::GFP::P2A::H2B::mKate2] I. bmdSi86 is a single-copy CRISPR/Cas9-engineered insertion of a codon-optimized CDK sensor (amino acids 994–1087 of human DNA Helicase B (DHB) fused to GFP) co-expressed with his-58 (H2B) fused to two copies of mKate2. Reference: Adikes RC, et al. "Visualizing the metazoan proliferation-terminal differentiation decision in vivo." bioRxiv 2019.12.18.881888

GFP reporter inserted internally into endogenous egl-43 locus. Reference: Medwig-Kinney TN, et al. Development. 2020 Jan 2;147(1).

GFP reporter inserted into N-terminus of endogenous hlh-2 locus. Reference: Medwig-Kinney TN, et al. Development. 2020 Jan 2;147(1).

CRISPR/Cas9 insertion of GFP into the N-terminus of cki-1; seems to cause cki-1 gain-of-function phenotype (early cell cycle exit for some post-embryonic blast cells). Reference: Adikes RC, et al. "Visualizing the metazoan proliferation-terminal differentiation decision in vivo." bioRxiv 2019.12.18.881888

GFP reporter inserted into N-terminus of endogenous egl-43 locus specifically tags the long isoform. Reference: Medwig-Kinney TN, et al. Development. 2020 Jan 2;147(1).

GFP reporter inserted into N-terminus of endogenous fos-1 locus. Reference: Medwig-Kinney TN, et al. Development. 2020 Jan 2;147(1).

bmdSi147 [loxN::rps-27p::DHB::2xmKate2::P2A::H2B::GFP] I. bmdSi147 is a single-copy CRISPR/Cas9-engineered insertion of a codon-optimized CDK sensor (amino acids 994–1087 of human DNA Helicase B (DHB) fused to two copies of mKate2) co-expressed with his-58 (H2B) fused to GFP. Reference: Adikes RC, et al. "Visualizing the metazoan proliferation-terminal differentiation decision in vivo." bioRxiv 2019.12.18.881888

bmdSi141 [loxN::eft-3p::his-58::GFP] I. Slow growing. Maintain at 15-20C. bmdSi141 is a single-copy CRISPR/Cas9-engineered insertion of HIS-58 C-terminally tagged with codon-optimized GFP and driven by the ubiquitous eft-3 promoter. Reference: Azmi MA, et al. bioRxiv 2020.10.17.344069; doi: https://doi.org/10.1101/2020.10.17.344069

bmdSi170 [loxN::eft-3p::his-58::GFP::3xHA] I. Superficially wild-type. bmdSi170 is a single-copy CRISPR/Cas9-engineered insertion of HIS-58 C-terminally tagged with non-codon-optimized GFP and driven by the ubiquitous eft-3 promoter. Reference: Azmi MA, et al. bioRxiv 2020.10.17.344069; doi: https://doi.org/10.1101/2020.10.17.344069

bmdSi200 [loxN::pcn-1p::pcn-1::GFP] I. bmdSi168 [loxN::rps-27p::DHB::2x-mKate2] II. bmdSi200 is a single copy CRISPR/Cas9-engineered insertion of a full length pcn-1::GFP translational fusion under its own promoter. bmdSi168 is a single-copy CRISPR/Cas9-engineered insertion of a codon optimized CDK sensor (amino acids 994–1087 of human DNA Helicase B (DHB) fused to two copies of mKate2). Reference: Adikes RC, et al. "Visualizing the metazoan proliferation-terminal differentiation decision in vivo." bioRxiv 2019.12.18.881888

bmdSi245 [^SEC^lin-29p::mKate2-STOP-STOP-DAMc1::VHH4GFP] I. Pick Rollers to maintain. Wild-type growth. NanoDam toolkit will allows identification of direct genomic targets of TFs as well as chromatin modifiers. In this system, Dam methylase is fused with a binding reagent, an anti-GFP nanobody (vhhGFP4). Thus, genome-wide profiling can be achieved by combining cell type-specific Dam::vhhGFP4 fusion constructs with GFP knock-in alleles.

bmdSi245 [^SEC^lin-29p::mKate2-STOP-STOP-DAMc1::VHH4GFP] I. Wild-type growth and movement. NanoDam toolkit will allows identification of direct genomic targets of TFs as well as chromatin modifiers. In this system, Dam methylase is fused with a binding reagent, an anti-GFP nanobody (vhhGFP4). Thus, genome-wide profiling can be achieved by combining cell type-specific Dam::vhhGFP4 fusion constructs with GFP knock-in alleles.

bmdSi245 [^SEC^lin-29p::mKate2-STOP-STOP-DAMc1::VHH4GFP] I. Wild-type growth and movement. NanoDam toolkit will allows identification of direct genomic targets of TFs as well as chromatin modifiers. In this system, Dam methylase is fused with a binding reagent, an anti-GFP nanobody (vhhGFP4). Thus, genome-wide profiling can be achieved by combining cell type-specific Dam::vhhGFP4 fusion constructs with GFP knock-in alleles.

bmdSi245 [^SEC^lin-29p::mKate2-STOP-STOP-DAMc1::VHH4GFP] I. Wild-type growth and movement. NanoDam toolkit will allows identification of direct genomic targets of TFs as well as chromatin modifiers. In this system, Dam methylase is fused with a binding reagent, an anti-GFP nanobody (vhhGFP4). Thus, genome-wide profiling can be achieved by combining cell type-specific Dam::vhhGFP4 fusion constructs with GFP knock-in alleles.

WT strain which segregates WT, Dpy and DpySteriles (or WT Steriles if grown at 15C.) Maintain by picking WT. dpy-27 animals are mildly Dpy and Egl with protruding vulva. Maternal effect: progeny of dpy-27 homozygotes will be severely Dpy, marginally viable, and their progeny will be more severe Dpy hermaphrodites and WT males. Males are vigorous and mate well. See also WBPaper00002061.

Temperature-sensitive dauer-consitutive, long-lived, intrinsically thermotolerant. Adults slightly shorter than adults of other daf-2 alleles. Up to 6% of L1s arrest at 25.5C. Makes nearly 100% dauers at 25C, 0% dauers at 15C. Good recovery of dauers at 15C.

WT gross phenotype, with GFP semi-dominantly expressed in 4-60 cell embyros, pharyngeal muscle and gut. Segregates WT, brighter Dpy GFP mIn1 homozygotes and non-GFP bli-2 unc-4 homozygotes. Pharyngeal and gut GFP is easily seen in a UV dissecting microscope; early embryonic signal requires higher magnification. mIs14 occasionally crosses off mIn1[dpy-10], apparently by double recombination. Pick WT, check for GFP and check for correct segregation of progeny to maintain. mIs14 is ccEx9747 integrated into mIn1[dpy-10]. This is a three-construct element containing myo-2 and pes-10 promoters and a gut enhancer fused individually to GFP coding sequence.

Dauer formation at 27C. Long-lived. Maternal rescue.

Paralyzed Unc. sus-1 suppresses the ability of eDp23 to suppress unc-15. eDp23 = sup-3(e1407).

sup-7 suppresses unc-13. Movement not WT. Fertility is low. Grows between 22.5C and 24C.

Both unc-13 and daf-7 are suppressed by sup-7. sup-7 should be grown between 22.5C and 24C.

sup-7 suppress dauer formation. sup-7 should be grown between 22.5C and 24C.

Unc phenotype weakly suppressed. Very slow.

Temperature sensitive dauers. Paralyzed Unc. sus-1 suppresses the ability of eDp23 to suppress unc-15. eDp23 = sup-3(e1407).

Unc-weak kinker, doesn't back well. Temperature sensitive dauer constitutive. Maintain at 15C. Makes high percentage of dauers at 25C. tsp for dauer formation is L1 molt. Type C Egl. Active. Resistant to 1 mM levamisole. Sensitive to hypoosmotic shock.

Animals which carry the Dup are semi-Dpy and segregate semi-Dpy and DpyUnc (animals which have lost the Dup). Animals homozygous for the Dup are slow growing, slender and transparent. 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 Don Riddle.

T2A::sGFP2(1-10) fused to the C-terminus of endogenous GLH-1. The T2A self-cleaving peptide separates sGFP2(1-10) from GLH-1 post-translationally so that sGFP2(1-10) disperses throughout germ cell nuclei and cytoplasm. sGFP2(1-10) is also maternally loaded into embryos, where it persists through early and mid-embryonic development. Proteins tagged with the 16aa GFP11 or M3 sequence will bind sGFP2(1-10) in the germline and early embryo to emit GFP fluorescence. Broods from DUP223 are similar to wild-type at permissive and restrictive temperatures. Transgene tag was inserted by CRISPR/Cas9 in an N2 background. [NOTE: (04/23/2021) The original stock received by the CGC was found to be carrying a second insertion, clu-1(sam131[GFP(11)::clu-1]. A new stock verified by to be carrying the correct transgene was received from DUP 05/04/2021.] Reference: Goudeau J, et al. Genetics. 2021 Apr; 217(4): iyab014. PMID: 33693628.

Heterozygotes segregate wild-type GFP+ heterozygotes, GFP+ Dpy, and sec-5 homozygotes (scrawny, small broods, abnormal gut appearance) sec-5 is homozygous maternal-effect lethal; M+Z- animals produce a few dead L1-L2 stage larvae with Vab defects. Pick GFP+ wild-type to maintain. Based upon phenotype, pk2357 is a strong loss-of-function, but likely not a null allele; molecular lesion produces a premature stop at position 389. Reference: Frische EW, et al. EMBO J. 2007 Dec 12;26(24):5083-92. [NOTE: This strain was previously described as carrying pk2358, but pk2357 is the correct allele. Both pk2357 and pk2358 cause the same nonsense (amber) change.]

Green nuclei and ubiquitous cytosolic red expression, typically excluded from nuclei but with activity-dependent translocation into nuclei. Derived in an N2 background. C-terminally tagged mpk-1 is detectable by triplex PCR: mpk-1 genotyping FW: ACCAAAACAACCATGGGCTCG mpk-1 genotyping RV-1: GCTCCAAGTATGGGTGAGCC mpk-1 genotyping RV-2: GGTTCCCTCGTATGGCTTTCC Reference: Neal R, et al. (2021). Nuclear translocation of tagged endogenous ERK/MPK-1 MAP Kinase denotes a subset of activation events in C. elegans development.

Ubiquitous expression with cytosolic localization. Derived in an N2 background. Detection with triplex primers: HS125 5’-CTTGTCACTGTAAGGGAAGATTTCC-3’ HS126 5’-TTGTCCTCCTCTCCCTTGG-3’ HS127 5’ ACGTAGAATGTTCCAGAGTTCCAG-3' Reference: Shin H, et al. Cell Rep. 2018 Sep 4;24(10):2669-2681. PMID: 30184501

Gain-of-function allele (G12V). Low penetrance of 3? to 1? fate transformations (Muv) and duplication of the excretory duct cell. Genotyping primers (Tm=50C, followed by BamHI digestion): oNR122: TGTGTCATCTGGTCTGTACTTGG; oNR123: TCCCCTGCACGAATTGTACC. Reference: Rasmussen NR, Dickinson DJ, and Reiner DJ. Genetics Dec;210(4):1339-1354. doi: 10.1534/genetics.118.301601. PMID: 30257933.

mNeonGreen and 3xFlag tag inserted at 3' end of endogenous pmk-1 locus. Fluorescent green signal detected in both cytosol and nuclei of all somatic cells; might be silenced in the germ line. Generated in an N2 background. Reference: Shin H, et al. Cell Rep. 2018 Sep 4;24(10):2669-2681. PMID: 30184501

Ubiquitous expression and localization to plasma membranes. Derived in an N2 background. TD185 5’ -GCCGGAAGAGTGATGAACCC- 3’ TD186 5’ -TAATGAGCTCGGAGACCATGGC- 3’ TD187 5’ -CGCACCTCATCATACATGAACTGC- 3’ Reference: Shin H, et al. Cell Rep. 2018 Sep 4;24(10):2669-2681. PMID: 30184501

Pick wild-type GFP+ to maintain. Heterozygotes are wild-type GFP+ (pharynx), and segregate wild-type GFP+ heterozygotes, Dpy Sterile GFP+, and non-GFP re242 homozygotes (arrested at L3). nIs189 [myo-2::GFP] integrated in or near qC1. No recombination seen between nIs189 and qC1; fails to complement all markers on qC1.

reSi1 [col-10p::TIR1::F2A::mTagBFP2::AID*::NLS::tbb-2 3'UTR] (I:-5.32). Hypodermal-specific expression of TIR1 co-factor for AID, and tissue-specific AID-tagged blue protein in hypodermal nuclei.

reSi2 [col-10p::TIR1::F2A::mTagBFP2::AID*::NLS::tbb-2 3'UTR] (II:0.77). Hypodermal-specific expression of TIR1 co-factor for AID, and tissue-specific AID-tagged blue protein in hypodermal nuclei.

reSi3 [unc-54p::TIR1::F2A::mTagBFP2::AID*::NLS::tbb-2 3'UTR] (I:-5.32). Muscle-specific expression of TIR1 co-factor for AID, and tissue-specific AID-tagged blue protein in muscle nuclei.

reSi5 [ges-1p::TIR1::F2A::mTagBFP2::AID*::NLS::tbb-2 3'UTR] (I:-5.32). Intestinal-specific expression of TIR1 co-factor for AID, and tissue-specific AID-tagged blue protein in intestinal nuclei.

reSi7 [rgef-1p::TIR1::F2A::mTagBFP2::AID*::NLS::tbb-2 3'UTR] (I:-5.32). Neuronal-specific expression of TIR1 co-factor for AID, and tissue-specific AID-tagged blue protein in neuronal nuclei. NOTE: PCR detection of reSi7 insert using the published primers has been reported to be defective. These primers designed by Sherlyn Wijaya and Claire Richardson to detect ttTi4338 (LG I) also work for reIs7: ttTi4338 (LG I) wrdSi23-F: cttcaaagaaatcgccgac wrdSi23-FP: AACAACGAGACCTACGTCG wrdSi23-R: Ctctaagatgtcggccac (wt ~300bp, mutant ~650bp).

reSi11 [unc-54p::TIR1::F2A::mTagBFP2::AID*::NLS::tbb-2 3'UTR] (II:0.77). Muscle-specific expression of TIR1 co-factor for AID, and tissue-specific AID-tagged blue protein in muscle nuclei.

reSi12 [ges-1p::TIR1::F2A::mTagBFP2::AID*::NLS::tbb-2 3'UTR] (II:0.77). Intestinal-specific expression of TIR1 co-factor for AID, and tissue-specific AID-tagged blue protein in intestinal nuclei.

Heterozygotes are Unc and GFP+ with signal in the pharynx. atl-1(tm853) homozygotes are non-Unc, viable, GFP-, and produce 100% dead embryos. qIs50 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 (F22B7.9) driving GFP in the intestine. nT1[unc-?(n754) let-? qIs50] is also known as DnT1[qIs50]. qIs50 is apparently inserted on DnT1. qIs50 is somewhat dimmer than the similar qIs51.