par-2(it315) exhibits a weak maternal effect sterility, suggesting that the tag reduces the protein activity. Note, however, that double homozygous mutants of it315 with pkc-3(it309) or par-6(it310) exhibited partially penetrant and variable maternal effect lethality and maternal effect sterility that was stronger than it315 alone. Thus, although the GFP tags on pkc-3 and par-6 show no effect in an otherwise wild-type background, they do seem to somewhat compromise the activity of the proteins they tag. Made in N2 background.

Superficially wild-type. Made in N2 background.

mNG::PAR-2 endogenously tagged using Cas9-triggered homologous recombination. Reference: Dickinson DJ, et al. Dev Cell. 2017 Aug 21;42(4):416-434.e11. (PMID 28829947).

Temperature-sensitive embryonic lethal. Maintain at 15C. Reference: O'Rourke SM, et al. PLoS One. 2011 Mar 1;6(3):e16644.

Temperature-sensitive embryonic lethal. Maintain at 15C. Reference: O'Rourke SM, et al. PLoS One. 2011 Mar 1;6(3):e16644.

Temperature-sensitive embryonic lethal. Maintain at 15C. Reference: O'Rourke SM, et al. PLoS One. 2011 Mar 1;6(3):e16644.

Temperature sensitive-grow at 15C. Par at 25C. Strict maternal effect lethal.

zuIs45 [nmy-2p::nmy-2::GFP + unc-119(+)] V. Temperature-sensitive maternal-effect lethal. Maintain at 15C. NMY-2::GFP is expressed in the germline and somatic gonad. Cross of JJ1473 and EU822. Unknown if unc-119(ed3) is still present or homozygous in background. NOTE: this strain was originally described as heterozygous for lin-2(e1309), but lin-2 has been lost; this strain is now homozygous wild-type for lin-2. Reference: Small LE & Dawes AT. Mol Biol Cell. 2017 Aug 1;28(16):2220-2231.

oaSi10 [par-5p::GFP::par-5::par-5 3' UTR + unc-119(+)] II. Maintain at 15C. Temperature-sensitive embryonic lethal. MOS single copy insertion of GFP-tagged par-5 under control of its endogenous regulatory sequences. Reference: Mikl, M. and Cowan, CR. Cell Rep. 2014 Sep 11;8(5):1380-90.

st601 is a non-conditional two-fold arrest lethal. Maintain at 25C to see daf-7 par-2 segregants (Daf-7(+) escapers will be Par). WT heterozygotes segregate WT, DafPar, 1/4 lethal eggs and two-fold arrest hatchlings. [3/97: dauers are not giving dead eggs-they are giving more dauers. The par-2 mutation may be lost.]

F58B6.3. Apparent homozygous lethal deletion chromosome balanced by dpy-1-marked recombination suppressor. Heterozygotes are WT, and segregate WT, Dpy (sC1 homozygotes), and ok1723 homozygotes (arrest stage/phenotype undetermined). Pick WT and check for correct segregation of progeny to maintain. External left primer: AAATCACACCGATTTCTGCC. External right primer: AAAATTGGTGCGAAAACGAC. Internal left primer: AGCGGAGTTTTCCGATTTTT. Internal right primer: AAAAAGGCTACGAAACGGGT. Internal WT amplicon: 2390 bp. Deletion size: 1110 bp. 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

zuIs45 [nmy-2p::nmy-2::GFP + unc-119(+)] V. Heterozygous worms are wild type and segregate wild type, Par (maternal effect lethal), and Dpy (sC1 homozygotes). Heterozygous and Par adults are indistinguishable on the plate. Maintain by picking wild-type worms and checking for correct segregation of progeny. NMY-2::GFP is expressed in the germline and somatic gonad. Cross of JJ1473 and VC1313. Unknown if unc-119(ed3) is still present or homozygous in background. Reference: Small LE & Dawes AT. Mol Biol Cell. 2017 Aug 1;28(16):2220-2231.

At 25C, heterozygotes are WT and segregate WT, dead eggs and Dauers (which will give only dead eggs if they exit dauer). e1372 and it46 are both temperature sensitive.

Y92C3B.1, F58B6.3. Apparent homozygous lethal deletion chromosome balanced by dpy-1-marked recombination suppressor. Heterozygotes are WT, and segregate WT, Dpy (sC1 homozygotes), and ok1890 homozygotes (arrest stage/phenotype undetermined). Pick WT and check for correct segregation of progeny to maintain. External left primer: AAAACCCCTCACCTCGACTT. External right primer: AAAAATTGGAAAAATCCGGG. Internal left primer: CGAAGGGAAAATGCAGGATA. Internal right primer: TAAAAATCGGCAGAAATCGG. Internal WT amplicon: 2138 bp. Deletion size: 898 bp. Deletion left flank: AGGATAATTTTTTTTTTGTTGGGAAATTTA. Deletion right flank: TACGGGCTTCGCAGAGCGATTTATCGATTG. 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

Maintain at 25C. At 25C, heterozygotes are WT and segregate WT, Dauers (dauer escapers will be Par and give only dead eggs), and DpyUcs which arrest as dead eggs (range from twitching multicellulars to 3-folds that hatch). [There is a greater percentage of hatchlings when the mother is heterozygous (wc1 dpy-1/+). There may also be the possibility of near complete maternal rescue (near full-sized, sterile Dpys), but this has not been routinely observed in the balanced strain (as opposed to wc1 dpy-1/+).] Maintain by picking WT at 25C and scoring for correct segregation of progeny. [3/97: The dauers are not giving dead eggs-they are giving other dauers. Appears that the Par mutation is no longer present.]

Maintain at 25C. At 25C, heterozygotes are WT and segregate WT, Dauers (escapers will be Par and give only dead eggs) and DpyUncs which are dead eggs (a range of embryonic lethality from multicellular twitchers to 3-folds that do not hatch). Maintain by picking WT at 25C and scoring for correct segregation of progeny. [3/97: the dauers are giving dead eggs.]

itIs153 [pie-1p::par-2::GFP + rol-6(su1006) + N2 genomic DNA]. ojIs1 [pie-1p::GFP::tbb-2 + unc-119(+)]. Maintain at 15C. Temperature-sensitive embryonic-lethal at restrictive temperature of 26C; viable at permissive temperature of 15C. Reversed AP polarity axis at restrictive temperature with par-2::GFP and tubulin::GFP expression. itIs153 is an integrated derivitive of axEx1094. Reference: Keikhaee MR, et al. PLoS One. 2014 Sep 4;9(9):e106484.

itIs153 [pie-1p::par-2::GFP + rol-6(su1006) + N2 genomic DNA]. ojIs1 [pie-1p::GFP::tbb-2 + unc-119(+)]. Maintain at 25C. Constructed by crossing heterozygous ojIs1 males into KK866 (itIs153) hermaphrodites and selecting for double homozygosity of the arrays. itIs153 is an integrated derivitive of axEx1094.

axIs1928 [mCherry::par-6]. axIs1182 [GFP::par-2]. Maintain at 25C to retain transgene expression. [NOTE: axIs1182 [GFP::par-2] might not be integrated; the CGC has received reports that it does not segregate to all progeny.]

axIs1928 [mCherry::par-6]. axIs1182 [GFP::par-2]. Temperature-sensitive Maternal-effect lethal at 25 C. Maintain at 15-20 C.

axIs1929 [nmy-2::GFP + mCherry::par-2]. Reference: Zonies S, et al. Development. 2010 May;137(10):1669-77.

axIs1933 [(pFM034) GFP::par-2 RNAi-resistant + unc-119(+)].

axIs1934 [(pFM035) GFP::par-2 RNAi-resistant [R183-5A] + unc-119(+)].

axIs1935 [(pFM036) GFP::par-2 RNAi-resistant [K162A] + unc-119(+)].

axIs1936 [(pFM037) GFP::par-2 RNAi-resistant [R163A] + unc-119(+)].

axIs1522 [pie-1p::GFP::pgl-1::pgl-1 3'UTR + unc-119(+)]. axIs1929 [pie-1p::mCherry::par-2::pie-1 3'UTR + unc-119(+)]. Transgenes are prone to silencing -- maintain at 25C.Reference: Gallo CM, et al. Science. 2010 Dec 17;330(6011):1685-9.

Superficially wild-type. Note that double homozygous mutants of pkc-3(it309) with par-2(it315) exhibited partially penetrant and variable maternal effect lethality and maternal effect sterility that was stronger than it315 alone. Thus, although the GFP tag on pkc-3 shows no effect in an otherwise wild-type background, it does seem to somewhat compromise the activity of the protein it tags. Made in N2 background.

itIs153 [pie-1p::par-2::GFP + rol-6(su1006) + N2 genomic DNA]. Maintain at 25C. itIs153 is an integrated derivitive of axEx1094.

GFP tag inserted into endgonenous par-2 locus in an analogue-sensitive background. pkc-3(crk77[I331A,T394A]) is a CRISPR-engineered analog-sensitive allele containing both I331A (gatekeeper site) and T394A (suppressor site) mutations, allowing rapid and reversible chemical inhibition of PKC-3 activity. Reference: Ng K, et al. (2022). An analog sensitive allele permits rapid and reversible chemical inhibition of PKC-3 activity in C. elegans. Reference: Ng K, et al. microPublication Biology. 10.17912/micropub.biology.000610

oaSi10 [par-5p::GFP::par-5::par-5 3' UTR + unc-119(+)] II. axIs1929 [nmy-2::GFP + mCherry::par-2]. MOS single copy insertion of GFP-tagged par-5 under control of its endogenous regulatory sequences. Reference: Mikl, M. and Cowan, CR. Cell Rep. 2014 Sep 11;8(5):1380-90.

itIs153 [pie-1p::par-2::GFP + rol-6(su1006) + N2 genomic DNA]. Maintain at 24 degrees; sick at 25 C, GFP lost at 20C. itIs153 is an integrated derivitive of axEx1094. Reference: Kumfer et al. (2010) Mol Bio Cell21(2):266-77.