CRISPR allele of endogenous let-23, which expresses let-23::GFP fusion protein and is susceptible for conditional knock-out via incorporated FRT sites with FLPase expression. Reference: Konietzka et al. 2019. Current Biology (accepted).

Homozygous viable. Vulvaless. Cold Sensitive.

Semi-dominant Muv.

sli-1 is a silent suppressor of the Vul phenotypes of let-23(lf) mutants. sy1;sy143 animals are Hyperinduced. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Viable allele of let-23. Vul. Throws males. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Grows slowly with low brood numbers. Sluggish worms. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

sy143 suppresses sy97 viability from 15% to 100%, P12 -> P11 transformations from 27% to 14% and Vul from 100% to 3%. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Dumpy. Viable allele of let-23. Vul. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Unc. Viable allele of let-23. Vul. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Unc and Vul.

ccIs55 [unc-54::lacZ + sup-7(st5)] V. Unc. Muv.

Heterozygotes are GFP+. mIn1 homozygotes are Dpy and GFP+. let-23(sy12) homozygotes are non-GFP. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Heterozygotes are WT and segregate WT, Uncs which give only deads egss with a Mex phenotype, and Vulvaless Rollers. sy97 is only 15% viable.

Heterozygotes are Vulvaless and segregate more Vul, Vul Unc-36 and Vul Unc-32. n1045 is cold sensitive-strain gives some arrested larvae (L2) which look like little sticks.

Heterozygotes are WT and segregate WT, DpyUncs and Unc larval lethals. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Heterozygotes are WT and segregate WT, DpyUncs and Unc larval lethals. Reference null allele for let-23. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

10% of heterozygotes are Muv, 90% are WT. Segregates UncMuv and DpyUncs. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Heterozgyotes are WT and segregate WT, DpyUncs and Vulvaless Unc-4s. sy97 is only 15% viable. Maintain by picking WT. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Heterozygotes are WT and segregate WT, DpyUnc and Sterile Unc-4s. sy10 is only 15% viable. Maintain by picking WT. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Hets are WT and segregate WT, paralysed DpyUnc and early larval Unc-4. Maintain by picking WT.

Heterozygotes are approx. wild-type in size and Muv. Pick Muv non-Unc (heterozygotes) to maintain. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

zhIs35 [let-23::GFP + unc-119(+)] I. zhIs35 resuces let-23(sy1) and recapitulates LET-23 antibody staining in VPCs. let-23::GFP transgene expression is higher in this strain than in AH1779 unc-119(ed3) III; zhIs38. Reference: Haag A, et al. PLoS Genet. 2014 May 1;10(5):e1004341.

zhIs38 [let-23::GFP + unc-119(+)] IV. zhIs38 resuces let-23(sy1) and recapitulates LET-23 antibody staining in VPCs. let-23::GFP transgene is expressed at levels similar to endogenous LET-23. Reference: Haag A, et al. PLoS Genet. 2014 May 1;10(5):e1004341.

Fertile Unc-38. sy326 has no phenotype on its own. Suppresses sterility of let-23(sy10) and lin-3(n1058). Sterile in double mutant combination with lfe-1 alleles. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Suppresses sterility of lin-3(n1058) and let-23(sy10). Not involved in vulva development. Synthetic sterile in combination with lfe-2(sy326). Previously called lfe-1. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Suppresses sterility of lin-3(n1058) and let-23(sy10). Not involved in vulva development. Synthetic sterile in combination with lfe-2(sy326). Previously called lfe-1. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Suppresses sterility of lin-3(n1058) and let-23(sy10). Not involved in vulva development. Synthetic sterile in combination with lfe-2(sy326). Previously called lfe-1. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Suppresses sterility of lin-3(n1058) and let-23(sy10). Not involved in vulva development. Synthetic sterile in combination with lfe-2(sy326). Previously called lfe-1. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Suppresses sterility of lin-3(n1058) and let-23(sy10). Not involved in vulva development. Synthetic sterile in combination with lfe-2(sy326). Previously called lfe-1. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

syEx234 [let-23::GFP + pBS + (pMH86) dpy-20(+)]. Non-Dpys bear the transgene and express GFP in multiple cells including the pn.ps and uv1. Maintain by picking Non-Dpy. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Enhances vulval development in the presence of let-23(sa62gf) in hermaphrodites and males. Animals are Dpy. Hermaphrodites are Egl. Males have abnormal ray development. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Enhances vulval development in the presence of let-23(sa62gf) in hermaphrodites and males. Animals are Dpy. Hermaphrodites are Egl. Males have abnormal ray development. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

Unc. Suppresses the Vul phenotypes of let-23(lf) mutants. Do not distribute this strain; other labs should request it from the CGC. This strain cannot be distributed to commercial organizations. This strain cannot be used for any commercial purpose or for work on human subjects.

gaIs27 [let-23::GFP + rol-6]. Maintain at 20 degrees.

Hets are WT and segregates WT, paralysed DpyUnc, and larvae which are arrested. Pick L1-L2 Unc-4's to check for larval lethal phenotype. Maintain strain by picking WT

Hets are WT and segregate WT, paralysed DpyUncs, and dead eggs. Pick WT to maintain.

Hets are WT and segregate WT, paralysed DpyUnc and larval lethal Unc-4's. Maintain by picking WT.

Hets are WT and segregate WT, paralysed DpyUnc and no viable Unc-4's. Maintain by picking WT.