ccIs4251 [(pSAK2) myo-3p::GFP::LacZ::NLS + (pSAK4) myo-3p::mitochondrial GFP + dpy-20(+)] I. Heterozygotes are superficially wild-type GFP+, and will segregate wild-type GFP+ heterozygotes, htp-3(y428) ccIs4251 homozygotes that are GFP+ in body wall muscle but not pharynx, hT2 GFP+ homozygotes, and aneuploid dead embryos. Avoid picking viable aneuploids that often appear larger and longer than wild-type.

pqIs2 [alp-1::GFP]. Maintain by picking GFP+. GFP is inserted in-frame in exon 14: all four ALP-1 isoforms will be expressed but only ALP-1a will be tagged with GFP. References: McKeown et al. Dev Dyn. 2006 Feb;235(2):530-8 & Han & Beckerle Cell 2009 May; 20(9):2361-70.

pqIs3 [alp-1::GFP]. Maintain by picking GFP+. GFP is inserted in-frame in exon 18: all four ALP-1 isoforms will be expressed but only ALP-1b, ALP-1c, and ALP-1d will be tagged with GFP. Isoforms ALP-1b, ALP-1c, and ALP-1d are collectively known as the Enigma isoforms or ALP-1bcd/Enigma::GFPs. References: McKeown et al. Dev Dyn. 2006 Feb;235(2):530-8 & Han & Beckerle Cell 2009 May; 20(9):2361-70.

pqIs4 [alp-1::GFP]. Maintain by picking GFP+. GFP is inserted in-frame in exon 18: all four ALP-1 isoforms will be expressed but only ALP-1b, ALP-1c, and ALP-1d will be tagged with GFP. Isoforms ALP-1b, ALP-1c, and ALP-1d are collectively known as the Enigma isoforms or ALP-1bcd/Enigma::GFPs. References: McKeown et al. Dev Dyn. 2006 Feb;235(2):530-8 & Han & Beckerle Cell 2009 May; 20(9):2361-70.

Heterozygotes are GFP+, and segregate non-GFP hermaphrodites which give only dead eggs. sun-1 is also called mtf-1.

CC4.2. 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

Y49A3A.4. Homozygous lethal deletion chromosome balanced by GFP-marked translocation. Heterozygotes are WT with pharyngeal GFP signal, and segregate WT GFP, arrested nT1[qIs51] aneuploids, and non-GFP ok1547 homozygotes (early larval arrest). Lethal phenotype is suspicious, as deletion appears to affect only intron sequence. Homozygous nT1[qIs51] inviable. Pick WT GFP and check for correct segregation of progeny to maintain. 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

D1009.4. Apparent homozygous lethal deletion chromosome balanced by lon-2-marked translocation. Heterozygotes are WT, and segregate WT, Lon-2 males, arrested szT1 aneuploids, and ok1517 homozygotes (arrest stage/phenotype undetermined). Pick WT and check for correct segregation of progeny to maintain. 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

D2005.2. Superficially wild type. External left primer: TCGGAAATGATTCATAGGGC. External right primer: TCACACCTCATACCCCCATT. Internal left primer: CTTTCAAATCACCCGACCAT. Internal right primer: TTCTTGATCTACCCGAACCG. Internal WT amplicon: 2229 bp. Deletion size: 695 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

Y37D8A.23. Superficially wild type. External left primer: GCTTCAACATTCCAACCGAT. External right primer: TTTGCCACCGAACTCTCTTT. Internal left primer: GGCTCAACTGTCTACGGAGC. Internal right primer: TTTTGAGAAGGGGAGGAAGG. Internal WT amplicon: 3008 bp. Estimated deletion size: 1700. Breakpoints only narrowed due to poor sequence quality. Deletion of approximately 1700 bp lies between chromosome III coordinates 12948249 and 12950465. 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

F20B10.1. Homozygous lethal deletion chromosome balanced by GFP-marked translocation. Heterozygotes are WT with pharyngeal GFP signal, and segregate WT GFP, arrested nT1[qIs51] aneuploids, and non-GFP tm2050 homozygotes (early larval arrest). Homozygous nT1[qIs51] inviable. Pick WT GFP and check for correct segregation of progeny to maintain. External left primer: CAGTTCTGTGACGTCCCAGT. External right primer: GTCGGCGTTAGATGACTATG. Internal left primer: TACGGCAAAGTGAATGGCTT. Internal right primer: ACAGCTGATCTACCACACTC. Internal WT amplicon: 1775 bp. Deletion size: 1078 bp. Deletion left flank: CAATGAGTTAATTTCCAACAAAATTATTTT. Deletion right flank: GTAAGTGAGTACCGAACTGCTCCGGGCTTA. 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

F52E4.7. Apparent homozygous lethal deletion chromosome balanced by lon-2-marked translocation, and homozygous for unlinked pharyngeal GFP insertion mIs12 (artifact of strain construction). Balanced lethal heterozygotes are WT, and segregate WT, Lon-2 males, arrested szT1 aneuploids, and ok2238 homozygotes (arrest stage/phenotype undetermined). Pick WT and check for correct segregation of progeny to maintain.External left primer: CAATCTTCGAGCCTGGGTAA. External right primer: TACCTTCCAGTCCAGATGCC. Internal left primer: TGAAATGGCGATTTTGATGA. Internal right primer: CATGATATGGCGATGCAAAG. Internal WT amplicon: 2918 bp. Deletion size: 1120 bp. Deletion left flank: TTTCTCCATACTACGTCCTCCGAGACTTGA. Deletion right flank: AATGAAACGATTTCCTCGTTGAGACGTTGC. 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

C40C9.5. 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

C01A2.7. External left primer: CGTAAGCATGCCGAAGTTTT. External right primer: GGAATTTGGCATGGAAGTGT. Internal left primer: CCAGCTGGAAATTTTTGGAA. Internal right primer: GGCGGGAAATTCAACTTTTT. Internal WT amplicon: 2632 bp. Deletion size: approximately 1000 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

Homozygous sterile deletion balanced by tmC18. Heterozygotes are wild-type with pharyngeal GFP+RFP+, and segregate GFP+RFP+ heterozygotes, GFP+ gk5045 homozygotes (most commonly sterile, but occasional animals will lay eggs that hatch, and a population of homozygotes can be maintained), and tmC18 homozygotes (Dpy-5 with myo-2 mCherry). Pick fertile wild-type GFP+RFP+ to maintain. Deletion of 1976 bp with Calarco/Colaiacovo selection cassette conferring myo-2 GFP and G418 resistance inserted at break. Left flanking sequence: TCAAAATGATGATCAAAGTGGGAGCCGCTA ; Right flanking sequence: GGTGGATCTGTCTAGGTTCTGGTGTTCGTA. Please reference Au et al., G3 9(1): 135-144 2019 in any work resulting from use of this mutation.

[NOTE: Please see RG5054 for balanced version of this strain.] Apparent homozygous lethal or sterile deletion as unbalanced heterozygote. Deletion of 1026 bp with Calarco/Colaiacovo selection cassette conferring myo-2 GFP and G418 resistance inserted at break. Pick viable fertile GFP+ animals to maintain. Left flanking sequence: TCAAATGGTAAGTTCTTACATAGGCCCCAG. Right flanking sequence: CGTGGATTTTAATATTAAAGTATCGTCCAC. Please reference Au et al., G3 9(1): 135-144 2019 in any work resulting from use of this mutation.

Apparent homozygous lethal or sterile deletion as unbalanced heterozygote. Deletion of 24013 bp with Calarco/Colaiacovo selection cassette conferring myo-2 GFP and G418 resistance inserted at break. Pick viable fertile GFP+ animals to maintain. Left flanking sequence: TTTTCACGCTCTTTCCCCCATTTTTCCCCA. Right flanking sequence: GGGTAGGCAACATTTTTATTTCCAACTTTT. Please reference Au et al., G3 9(1): 135-144 2019 in any work resulting from use of this mutation. [NOTE: Maintain this strain with care! Non-GFP animals can quickly overtake a population. GFP expression is mottled: the pharynx can look sort of sectored, with bright portions and dim or non-GFP portions, and some GFP animals will throw only non-GFP progeny.]

C24A8.6. Homozygous viable deletion chromosome balanced by lon-2-marked translocation. Heterozygotes are WT, and segregate WT, arrested szT1 aneuploids, Lon-2 males, and gk413 homozygotes (sick, often sterile, with body morphology defects, lots of arrested embryos). Also segregates viable gk413 hemizygotes (WT males). Phenotype of homozygote may be suspicious, as deletion appears to affect only an intron. Pick WT and check for correct segregation of progeny to maintain. 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

C48D1.3. Superficially wild type.  [NOTE: (06/13/2017) A user has reported that they are unable to identify only ok1069 animals by PCR, so it is possible that this strain carries a deletion/duplication.]  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

B0403.4. Homozygous viable deletion chromosome balanced by lon-2-marked translocation. Heterozygotes are WT, and segregate WT, Lon-2 males, arrested szT1 aneuploids, and ok1373 homozygotes (homozygotes are slow-growing, short, Unc, Egl, starve a plate only with difficulty). Viable hemizygous ok1373 males are also segregated. Pick WT and check for correct segregation of progeny to maintain. 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

hdIs17 [glr-1::YFP + unc-47::YFP + unc-129::YFP + rol-6(su1006)]. hdIs10 [unc-129::CFP + glr-1::YFP + unc-47::DsRed + hsp-16::rol-6(su1006)]. Rollers. Reduced progeny at 25C (almost sterile). RNAi hypersensitive, effective RNAi in the nervous system. unc-47::DsRed is weak and only visible in adults. hsp-16::rol-6 transgene is not effectively Roll. Maintain at 15 or 20C.

umnIs49 [myo-2p::mKate2 + NeoR, V: 1005689 (intergenic)] IV. Pick viable fertile GFP+ and mKate2+ animals to maintain.. Heterozygotes are wild-type GFP+ mKate2+, and segregate wild-type GFP+ mKate2+, Vul mKate2+ (nT1) and dead eggs. Derived from parental strains VH7147 and CGC63. hd7147 is a 7691 bp deletion with Calarco/Colaiacovo selection cassette conferring myo-2 GFP and G418 resistance inserted at break. Left flanking Sequence: TCTTCAATTCTTCAATTTTTCCAATTCTTC; Right flanking sequence: TCTTTTCTGGTCGACAAAGGTGCCTAAATC. sgRNA #1: ATAAAGTGAAGATTGGTGGG; sgRNA #2: AACAGTGTTTTGGGGTGGGG. Please reference Au et al., G3 9(1): 135-144 2019 in any work resulting from use of this mutation.

umnIs49 [myo-2p::mKate2 + NeoR, V: 1005689 (intergenic)] IV. Pick viable fertile GFP+ and mKate2+ animals to maintain. Apparent homozygous lethal or sterile deletion balanced over nT1. Heterozygotes are wild-type GFP+ mKate2+, and segregate wild-type GFP+ mKate2+, Vul mKate2+ (nT1) and dead eggs. Derived from parental strains VH7170 and CGC63. hd7170 is a 966 bp deletion with Calarco/Colaiacovo selection cassette conferring myo-2 GFP and G418 resistance inserted at break. Left flanking Sequence: CAGAAAGAGCCTTCTCGACACGATTTTCCG; Right flanking sequence: TTCGAAAGTGGCAATCAGGAACTCTAACGA. sgRNA #1: AATGGTTACCTGCTGCGACG; sgRNA #2: GGTTGGGCAATACTCTCACG. Please reference Au et al., G3 9(1): 135-144 2019 in any work resulting from use of this mutation.

vkEx2733 [nhx-2p::NLS-SV40::CemOrange2::NLSegl-13 + myo-2p::GFP]. Wild-type animals expressing NLS(sv-40)::CemOrange2::NLS(egl-13) under the intestinal-specific nhx-2 promoter. The dual NLS localizes to the nucleus. Pick animals with GFP+ pharynx to maintain. Reference: Thomas

kbIs5 [gpdh-1p::GFP + rol-6(su1006)]. Rollers, though not obvious in all animals. Maintain under normal conditions. GFP expressed intestine and hypodermis only during hypertonic stress; not induced by other stressers. Reference: Lamitina T, et al. Proc Natl Acad Sci USA. 2006 Aug 8;103(32):12173-8.

kbIs7 [nhx-2p::rde-1 + rol-6(su1006)]. Rollers. RNAi effective only in intestine. Maintain under normal conditions. Reference: Espelt MV, et al., J Gen Physiol. 2005 Oct;126(4):379-92.

dvIs19 [(pAF15) gst-4p::GFP::NLS] III. Oxidative stress-inducible GFP. vsIs33 [dop-3::RFP] V. References: Leung CK, et al. PLoS One. 2013 Apr 29;8(4):e62166. Leung CK, et al. J Vis Exp. 2011 May 19;(51).

vprEx133 [hlh-17p::dat-1p::DsRedExpress2]. DsRed2 expression is driven only by downstream (dat-1) promoter.

ctIs39 [hbl-1::GFP + rol-6(su1006)]. Rollers and GFP+. Retarded heterochronic phenotype, reiteration of L2-stage program resulting in extra seam cells by the L3 stage and incomplete alae formation. >75% of animals explode at the vulva at the L4 molt. ctIs39 [hbl-1::GFP]: integrated reporter codes for 133 amino acids of HBL-1 followed by GFP, and contains 1.4 kb of hbl-1 3' UTR plus an NLS. hbl-1::GFP is elevated in the hypodermal syncytium at the L3 stage. nDf51 is a 5930 bp deletion starting 1762 bp upstream of mir-241, removing mir-241, mir-48, and F56A12.6 (snoRNA).

Only gives a decent brood size at 20C. At 15C: Muv/Blip. At 20C: some Muv/Blip, some Blip but not Muv. At 25C: Not Muv, but do have Blip (due to lin-12). Egl- at all temps.

3xFLAG and eGFP tags inserted into the endogenous hlh-30 locus. Superficially wild-type. Diffuse GFP in basal growing conditions and strong nuclear labeling upon diverse stresses like starvation, Staphylococcus aureus infection, arsenite, diethylmaleate, heat shock or levamisole. GFP expression is only visible at high magnification; not discernible with a fluorescence stereoscope. Insertion can be detected by PCR. Forward primer sequence: 5' acgcacgcaactgcttta; Reverse primer (in 3'UTR): 5' aataacctgcgattctgg; Reverse primer (in eGFP): CTTGAAGAAGATGGTACGCTC. Expected products (For&Rev 3'UTR): 910 bp (WT)/1878 bp (syb1452). Expected products (For&Rev eGFP): no band (WT)/811 bp (syb1452). Insertion allele generated by SunyBiotech and out-crossed twice with VZ Lab N2. Reference: Martina JA, et al. EMBO J. 2021 Feb 1;40(3):e105793

ojIs34 [GFP::car-1 + unc-119(+)]. N'-tagged GFP::CAR-1 (Y18D10A.17) fusion. Labels P-granules and small cytoplasmic puncta in all cells. Bombardment with pNL1.6::GFP::unc-119 (pfj-1::pie-1 promoter driving GFP::Y18D10A.17 (N-terminal) with unc-119 rescuing fragment).

Heterozygotes are WT and segregate WT, paralyzed Unc, and coilers which give only dead eggs (low brood size).

Heterozygotes are WT and segregate WT, DpyUncs, and Unc-4 animals which arrest at the L4 stage. Rarely, a recombination will occur and unc-4 and pir-1 will become unlinked. Propagate the strain by picking single WT animals and checking for correct segregation of progeny. 6/2007: Daniel Chavez notes that tm1496 may also delete part of sec-5, which could be responsible for the developmental arrest of tm1496.

Heterozygotes are Unc and segregate Unc, WT which give only dead eggs, and dead eggs. Zygotic phenotype: 100% of gex-3 homozygotes become Egl although they all make a normal looking L3/L4 vulva. Embryonic phenotype: complete loss of morphogenesis - hypodermal cells fail to intercalate or migrate. Received new stock from Erik Lundquist 11/2003.

opIs56 [egl-1p::2xNLS::GFP]. opIs56 is a low copy integrant of 3 kb 5' sequence from egl-1 fused to 2xNLS GFP. unc-119(ed3) should be outcrossed. Low basal GFP expression in embryos, meiotic germ cells and several neurons. GFP expression can be induced by ionizing radiation in all germ cells. Best viewed with dissected gonads.

Heterozygotes are WT with pharyngeal GFP signal, and segregate WT GFP, arrested nT1[qIs51] aneuploids, and non-GFP ccz-1 homozygotes (produce only arrested embryos with spindle orientation defects, accumulate vesicles, and problems engulfing apoptotic corpses). Homozygous nT1[qIs51] inviable. Pick WT GFP and check for correct segregation of progeny to maintain. Reference: Nieto C, et al. J Cell Sci. 2010 Jun 15;123(Pt 12):2001-7.

Heterozygotes are Egl and Paralyzed. Segregate embryonic lethals (n499) homozygotes. Segregates WT animals that lay only non-refractile eggs that fail to hatch. Pick paralyzed Egl worms to maintain (eggs on the plate should all be pale brown and non-refractile; presence of refractile eggs indicates a recombination has occurred). XA780 recombines at a frequency of about 1%.

ccIs4595 [ceh-24::GFP + rol-6(su1006)]. wpEx482 [ceh-17::NLS::TagRFP + pha-1(+)]. Maintain at 25C to retain array. GFP expression in vulval muscles, m8, and set of neurons in the head. The four SIA neurons are marked with both GFP and RFP. Can be used to isolate SIA by FACS. Used by CeNGEN project for RNA-Seq (https://www.cengen.org/).

otIs707 [bnc-1p(1.8kb)::GFP]. wpEx525 [nlp-38p::NLS::TagRFP + pha-1(+)]. Maintain at 25C to select for animals carrying the array. GFP expression in VA neurons can be used to isolate VA by FACS (exclude TagRFP). Used by CeNGEN project for RNA-Seq (https://www.cengen.org/).

oxls12 [unc-47p::GFP + lin-15(+)]. Enhanced RNAi. Sterile at 25 degrees. [NOTE: the genotype of YY13 as previously annotated only as rrf-3(mg373)] References: Pavelec DM, et al. Genetics. 2009 Dec;183(4):1283-95. PMID: 19797044. McIntire SL, et al. Nature. 1997 Oct 23;389(6653):870-6. PMID: 9349821.

iaIs19 [gcy-32p::GFP + unc-119(+)]. Expression of gcy-32::GFP is consistenly observed in AQR, PQR, and URX neurons.

hpIs819 [twk-40p(short)::GCaMP::T2A::NLS::mNeptune + lin-15(+)]. Cytoplasmic GFP and nuclear RFP in AVA, AVE, AVB and some neurons in RVG, and tail (DVA).

hpIs819 [twk-40p(short)::GCaMP::T2A::NLS::mNeptune + lin-15(+)]. hpIs810 [flp-18p::LoxP::eBFP::Stop::LoxP::TeTx::wCherry + twk-40p(short)::Cre]. Transgenic animals exhibit strong RFP signals in AVA soma and neurites; cytoplasmic GFP and RFP in AVA, AVE, AVB and some neurons in RVG and tail (DVA).

hpIs193 [nlf-1p::nlf-1::GFP + lin-15(+)]. GFP expression in head and tail neurons, as well as along ventral cord. Reference: Xie L, et al. Neuron. 2013 Mar 20;77(6):1069-82. PMID: 23522043

hpIs481 [ceh-12p::tomm20::miniSOG::SL2::BFP + unc-129(DB)p::tomm20::miniSOG::SL2::BFP + lin-15(+)]. Maintain in the covered box to avoid unnecessary exposure to ambient light. Stimulation with blue light (460 nm LED light for 30 min at 4 Hz with 2 mW/mm2), induces mitochondrial-miniSOG ablation of B-class motor neurons. During neuron ablation, it is recommended to keep the lid of the plate open and use a heat disipator to keep the air cool. unc-129(DB)p is a fragment of the unc-129 promoter driving expression in only DB motor neurons (described in Colavita et al., Science 1998 31;281(5377):706-9). The ceh-12 promoter drives expression in VB motor neurons. Generated in N2 background. Reference: Gao S, et al. eLife 2018 Jan 23;7:e29915. doi: 10.7554/eLife.29915.

hpIs583 [acr-2(s)p::tomm20::miniSOG::SL2::RFP]. Maintain in the covered box to avoid unnecessary exposure to ambient light. Stimulation with blue light (460 nm LED light for 30 min at 4 Hz with 2 mW/mm2), induces mitochondrial-miniSOG ablation of A- and B-class motor neurons. During neuron ablation, it is recommended to keep the lid of the plate open and use a heat disipator to keep the air cool. acr-2s(p) is a 1.8 kb fragment of the acr-2 promoter driving expression in only A- and B- class motor neurons (described in Jospin et al, 2009 PLoS Biol. Dec;7(12):e1000265). Generated in N2 background. Reference: Gao S, et al. eLife 2018 Jan 23;7:e29915. doi: 10.7554/eLife.29915.

hpIs675 [rgef-1p::GCaMP6s::3xNLS::mNeptune + lin-15(+)]. Worms express GCaMP6s and mNeptune in all neuronal nuclei. Pan-neuronal imaging strain; suitable for rapid whole-brain imaging due to brightness, good signal to noise ratio, and relative resistance to photo-bleaching. Reference: Susoy V, et al. Cell. 2021 Sep 30;184(20):5122-5137.e17. PMID: 34534446

Gonadal enlargement and aberrant gonad migration. Phenotype evident at 25C.

Pick wild-type Venus+ animals to maintain. coh-4(tm1857) coh-3(gk112) homozygotes exhibit defects in synaptonemal complex formation on meiotic chromosomes. Many of the progeny from coh-4 coh-3 homozygotes exhibit embryonic lethality, likely due to aneuploidy, but only a few progeny hatch and exhibit the Him phenotype. The coh-3 and coh-4 genes encode nearly identical meiosis-specific kleisins. The deletion mutations can be checked by PCR with the following primers: coh-4(tm1857): TACGCGGCACACATGGGTCT and CAATTCCCCCTAGACATACGATTC; coh-3(gk112): CTCGCAGCGATCGAGCAAGC and AACTGAACATGAGAGCCACGAAG. tmC16 homozygotes are Unc Venus(+). [NOTE: ZT73 with the inversion-based balancer is more amenable to producing coh-4 coh-3 homozygous mutant males than TY5120 with a translocation-based balancer.] Reference: Tabara H, et al. (2023) A small RNA system ensures accurate homologous pairing and unpaired silencing of meiotic chromosomes. EMBO J, e105002.