Search Strains

Superficially wildtype. GFP tag inserted into endogenous daf-12 locus through CRISPR/Cas9 engineering. Reference: Aghayeva et al., submitted

Superficially wildtype. CRISPR/Cas9-engineered AID* conditional daf-12 allele. Reference: Aghayeva et al., PLoS Biol. 2021 Apr 23;19(4):e3001204. doi: 10.1371/journal.pbio.3001204. PMID: 33891586.

daf-d. Strong heterochronic phenotypes in seam, somatic gonad, intestine. Class I allele. Occasional abnormal dauers under exhausted conditions.

Weak heterochronic phenotypes in seam, intestine, somatic gonad. Class V allele.

dhIs26 [daf-12a::GFP + lin-15(+)]. DAF-12::GFP localized primarily in nucleus, except during mitosis. Expressed widely in most cells including tissues modified for dauer formation or by stage from embryo to adult, but most elevated and widespread during L2.

daf-d. Strong heterochronic phenotypes in seam, somatic gonad, intestine. Class I allele.

daf-d. Strong heterochronic phenotypes in seam, somatic gonad, intestine. Class I allele.

Gonadal lead cell Mig. Weak heterochronic phenotype in intestine. Weakly daf-c at 25C. Class V allele.

Strong heterochronic phenotypes in seam, somatic gonad, and intestine. Weakly daf-c at 15C. Class IV allele.

Daf-c, gonadal Mig, weak heterochronic phenotypes in intestine and seam. Class VI allele.

Strong heterochronic phenotypes in seam, somatic gonad, and intestine. Heterochronic phenotypes less penetrant at 15C. Weakly daf-c at 25C. Class IV allele.

daf-c. Gonadal Mig. Weak heterochronic phenotypes in intestine. Class VI allele.

daf-d. Weak heterochronic phenotypes in seam, somatic gonad, intestine. Class III allele.

Defective dauer formation. Hermaphrodites accumulate oocytes. Males mate poorly.

Dauer defective. Class 2 suppressor of dauer constitutives. Chemotaxis normal. See also WBPaper00002149. [Previously called daf-20.]

daf-d. Weak heterochronic phenotypes in seam, somatic gonad, intestine. Class III allele.

daf-d. Weak heterochronic phenotypes in seam, somatic gonad, and intestine. Class III allele.

daf-d. Weak heterochronic phenotypes in intestine. Class III allele.

daf-d. Weak heterochronic phenotypes in seam, somatic gonad, intestine. Class III allele.

daf-d. Weak heterochronic phenotypes in seam, somatic gonad, intestine. Class III allele.

daf-d. Weak heterochronic phenotypes in intestine. Class III allele.

daf-d. Weak heterochronic phenotypes in seam, somatic gonad, intestine. Class III allele.

Lon. Daf-d.

Daf-constitutive allele rh62 forms partial-dauer larvae under replete conditions at all temperatures.

Delayed gonadal and extragonadal development. Hermaphrodites (n=100), 74%

F11A1.3, F11A1.2. Superficially wild type. Attribution: This strain was provided by the C. elegans Reverse Genetics Core Facility at the University of British Columbia, which is part of the international C. elegans Gene Knockout Consortium, which should be acknowledged in any publications resulting from its use. Paper_evidence WBPaper00041807

maIs105 [col-19p::GFP] V. mScarlet-I tag inserted at C-terminus of endogenous daf-12 locus through CRISPR/Cas9-engineering. Reference: Ilbay O & Ambros A. Development. 2019 Oct 9. pii: dev.183111. doi: 10.1242/dev.183111.

daf-d. Weak heterochronic phenotypes in seam, somatic gonad and intestine. Class III allele.

daf-d. Strong heterochronic phenotypes in seam and intestine. Weak heterochronic phenotypes in somatic gonad. Class II allele.

Daf-d, weak heterochronic phenotypes in seam, somatic gonad, intestine. Class III allele.

Temperature sensitive dauer constitutive. Maintain at 15C. CRISPR/Cas9-engineered AID* conditional daf-12 allele in daf-7(e1372) background (TIR1-less control). Reference: Aghayeva et al. PLoS Biol. 2021 Apr 23;19(4):e3001204. doi: 10.1371/journal.pbio.3001204. PMID: 33891586.

ieSi57 [eft-3p::TIR1::mRuby + unc-119(+)] II. Maintain at 15C. Temperature-sensitive dauer constitutive. CRISPR/Cas9-engineered AID* conditional daf-12 allele in daf-7(e1372) background with ubiquitous TIR1 expression. Reference: Aghayeva et al. PLoS Biol. 2021 Apr 23;19(4):e3001204. doi: 10.1371/journal.pbio.3001204. PMID: 33891586.

ieSi60 [myo-2p::TIR1::mRuby + unc-119(+)] II. Maintain at 15C. Temperature-sensitive dauer constitutive. Pharyngeal muscle-specific depletion of DAF-12 in the presence of auxin. Reference: Aghayeva et al. PLoS Biol. 2021 Apr 23;19(4):e3001204. doi: 10.1371/journal.pbio.3001204. PMID: 33891586.

otIs730 [UPN::TIR1::mTur2 + inx-6(prom18)::TagRFP]. Temperature sensitive dauer constitutive. Maintain at 15C. UPN (Ultra Pan-Neuronal) promoter contains four short pan-neuronal promoters fused together (unc-11::rgef-1::ehs-1::ric-19). Panneuronal depletion of DAF-12 in the presence of auxin. Reference: Aghayeva et al. PLoS Biol. 2021 Apr 23;19(4):e3001204. doi: 10.1371/journal.pbio.3001204. PMID: 33891586.

Dauer defective. Long.

Lon. Daf-d. Suppresses Daf-c phenotype of daf-19(m86). Dyf.

Precocious heterochronic phenotypes as preciously reported for lin-28(n719). Endogenous daf-12 locus tagged with GFP. hbl-1(ma430) is a CRISPR/Cas9-edited allele, which contains a linker and the mScarlet-I sequence integrated in-frame with hbl-1. Reference: Ilbay O & Ambros V. Development. 2019 Nov 6;146(21).

Daf-d. Unc.

bafIs62 [lin-42p::GFP + unc-119(+)]. lin-42p::GFP reporter consists of 2 kb upstream of lin-42a isoform subcloned into modified pPD95.75 vector also carrying unc-119(+). Array was crossed into strain ALF3 to create ALF82. Reference: Hochbaum D, et al. PLoS Genet. 2011 Jul;7(7):e1002179.

Dauer defective. Egl-60% form bags of worms. Unc-sluggish, poor backing. Resistant to both imipramine and serotonin. Slightly Dpy.

lynEx1 [(pJG01)nhr-80p::nhr-80::GFP + myo-2p::DsRed]. Sterile at 25C. Maintain at 20C or lower. Pick animals with red pharynx to maintain. Lifespan of animals carrying the array is longer than that of glp-1; daf-12 double mutants. Reference: Goudeau J, et al. PLoS Biol. 2011 Mar;9(3):e1000599.

bafIs4 [daf-12 (fosmid) + unc-119(+)]; rescues both daf-12 and unc-119. Reference: Hochbaum D, et al. PLoS Genet. 2011 Jul;7(7):e1002179.

bafIs9 [daf-12::TAP (fosmid) + unc-119(+)]; rescues both daf-12 and unc-119. TAP tag inserted into daf-12 fosmid. Reference: Hochbaum D, et al. PLoS Genet. 2011 Jul;7(7):e1002179.

wIs51 [SCMp::GFP + unc-119(+)] V. kuEx194 [elt-1(+) + sur-5p::DsRed]. GFP expression in seam cells. Pick DsRed+ animals to maintain. In a daf-12(WT) background, elt-1(ku491) exhibits some precocious fusion of seamcells and gaps in alae. elt-1(ku491); daf-12(rh61rh411) double mutants have more sever heterochronic phenotypes including seamcell proliferation and bursting vulvae. Reference: Cohen ML, et al. PLoS Genet. 2015 Mar 27;11(3):e1005099.

muEx158 [daf-16AM::GFP + sur-5p::GFP]. Pick GFP+ worms to maintain. Sterile at 25C; grow at 20C or less.

muEx248 [daf-16p::GFP::DAF-16 cDNA + odr-1p::RFP]. Sterile at 25C; grow at 20C or less. Pick RFP+/GFP+ animals to maintain.

ZK662.3 Homozygous. No obvious phenotype. Outer left primer sequence: TCTGAAGTTTGTGAGCCGTG. Outer right primer sequence: AGCGCCTAGATGAGCAACAT. Inner left primer sequence: TCCGTTGAATGCCATCTGTA. Inner right primer sequence: GGACGATGCACATGAGTTTG. Inner primer PCR product length: 3324 bp. Deletion size: 1956 bp.

dhEx24 [T13C5 + sur-5::GFP]. T13C5 cosmid contains a rescuing copy of daf-9(+). Pick GFP+ animals to maintain. [NOTE: The correct genotype of this strain is daf-9(dh6) X; dhEx24. The strain was incorrectly identified as unc-29(e1072) I; daf-9(dh6)/+ when this strain was sent to the CGC.]

dhIs64 [daf-9p::daf-9::GFP + lin-15(+)].

dhIs59 [Topo::daf-9::GFP + lin-15(+)]. Perinuclear expression in a ventral pair of bilateral neurons identified as the IL1Vs or URAVs in the anterior ganglia. By mid-L2, expression in the cytoplasm of the hypodermis, the syncitial epidermis, but absent from midline, epidermal seam cells. Levels peak around the L2 molt and diminish during L4. In some cases, transient expression seen in the L3 vulval blast cells. Also expressed within the hermaphrodite spermatheca starting in late L4 larvae and continuing eve in old adults. In males, expression in IL1V/URAVs and hypodermis but not somatic gonad. In dauer larvae, strong expression in IL1V/URAV and specifically extends into axonal but not dendritic processes. In post-dauer stages, expression in a pattern similar to reproductively growing animals, except expression is absent in the hypodermis. Grow at 20C. May still contain lin-15(n765) mutation in the background.