nIs177 [ceh-28p::4NLS::GFP + lin-15(+)]. Extra ceh-28p::4NLS::GFP-expressing M4 seen in nIs177 (~30% penetrance). Reference: Hirose T, Horvitz HR. Nature. 2013 Aug 15;500(7462):354-8.

nIs348 [ceh-28p::4XNLS::mCherry + lin-15(+)] IV. Reporter construct contains 2.4 kb of ceh-28 promoter. Reference: Hirose T, et al. Proc Natl Acad Sci. 2010 Aug 31;107(35):15479-84. PMID: 20713707

nIs425 [myo-2p::GFP] I. nIs175 [ceh-28p::4NLS::GFP + lin-15(+)] IV. Heterozygotes are GFP+ wild type and segregate GFP+ Unc, GFP+ wild type, and GFP- sptf-3 homozygotes. nIs425 was integrated into sptf-3(tm607)/hIn1[unc-101(sy241)] I. The position of integration appears to be close to or lie within the region covered by hIn1: sptf-3(tm607) heterozygotes are GFP+ whereas sptf-3(tm607) homozygotes do not express GFP in the pharynx. Reference: Hirose T, Horvitz HR. Nature. 2013 Aug 15;500(7462):354-8.

kyIs5 [ceh-23p::unc-76::GFP + lin-15(+)] IV. kyIs5 contains a fragment of unc-76 protein that drives enrichment of GFP in the axons.

Egl (Vul). 90% penetrant. lesion: M78I.

Heterozygotes are Unc and segregate Unc, SmaUnc and UncVul. ay42 is a strong Vul and is recessive. ay42 has slow growth.

Heterozygotes are Unc and segregate Unc, SmaUnc and larval lethals. Putative null allele.

No obvious phenotype; partial effects on AiY interneuron differentiation; genotyped by PCR that covers the deletion in the ceh-23(ms23) allele.

otDf1is a deletion obtained using Cas9-sgRNA ribonucleoprotein complex, following Dokshin et al, 2018 method removing ceh-41, ceh-21, T26C11.9, and ceh-39. 8968 bp deletion, from position -159 upstream ceh-39 ATG, to +1608 from ATG ceh-41 (+89 from STOP ceh-41).

nIs175 [ceh-28p::4xNLS::GFP + lin-15(+)] IV. GFP expression in M4 neurons can be used to isolate M4 by FACS. Used by CeNGEN project for RNA-Seq (https://www.cengen.org/).

otEx7485 [ceh-28::TY1::eGFP::3xFLAG + unc-119(+) + pha-1(+)]. Maintain at 25C to retain array. C-terminal tagged fosmid generated by Transgenome project. Injected with pha-1 rescuing array into NeuroPAL transgene strain. See description of strain OH15262 for full description of otIs669 NeuroPAL (Neuronal Polychromatic Atlas of Landmarks) transgene (Yemini E, et al. Cell. 2021 Jan 7;184(1):272-288.e11. PMID: 33378642). Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.

otIs356 [rab-3p(prom1)::2xNLS::TagRFP] V. CUT Sextuple mutant animals show reduced pan-neuronal gene expression, impaired locomotion and resistance to aldicarb induced paralysis. otDf1 is a deletion affecting ceh-41, ceh-21, T26C11.9, and ceh-39. Reference: Leyva-Diaz E & Hobert O. Current Biol. 2022 Mar 3;S0960-9822(22)00262-7. PMID: 35259341.

Him. Insertion of GFP and FLAG tags directly before the stop codon of endogenous ceh-24 locus; verified by sequencing. Derived by crossing him-8 into parental strain PHX1608. Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.

otIs643 [npr-9::TagRFP + rol-6(su1006)] V. muEx261 [ceh-20::GFP + odr-1::RFP]. Pick RFP+ animals to maintain. Rollers.

oyIs14 [sra-6::GFP + lin-15(+)]. otEx1467 [let-756(+) + ceh-22p::GFP]. Animals carrying otEx1467 are DpyUnc. Animals which have lost the otEx1467 array are DpyUncLet.

oyIs14 [sra-6::GFP + lin-15(+)]. otEx1468 [let-756(+) + ceh-22p::GFP]. Animals carrying otEx1468 are DpyUnc. Animals which have lost the otEx1468 array are DpyUncLet.

oyIs14 [sra-6::GFP + lin-15(+)]. otEx1254 [egl-15p::egl-15(5B) genomic hybrid + ceh-22p::GFP + pBS]. otEx1254 rescues the lethal phenotype of egl-15(n1456).

oyIs14 [sra-6::GFP + lin-15(+)]. otEx1267 [pTB71=egl-15p::egl-15(5B) genomic hybrid + ceh-22p::GFP + pBS]. otEx1267 rescues the lethal phenotype of egl-15(n1456).

oyIs14 [sra-6::GFP + lin-15(+)]. otEx1270 [dpy-7p::egl-15(5A)cDNA + ceh-22p::GFP + pBS]. Maintain by picking worms with GFP expression in their pharynx.

cuIs1 [ceh-22::GFP + rol-6(su1006)]. Rollers.

Stuffed pharynx. Slow growth.

wgIs103 [ceh-21::TY1::EGFP::3xFLAG + unc-119(+)]. TY1::EGFP::3xFLAG tag inserted in frame at C-terminus of coding sequence by recombineering. Expression of transgene confirmed by GFP. References: Sarov M, et al. Nat Methods (2006) 10:839-44. Zhong, M, et al. PLoS Genet (2010) 6(2):e1000848. Strain was constructed as part of the Regulatory Element Project, part of modENCODE (http://www.modencode.org).

wgIs135 [ceh-27::TY1::EGFP::3xFLAG + unc-119(+)]. TY1::EGFP::3xFLAG tag inserted in frame at C-terminus of coding sequence by recombineering. Expression of transgene confirmed by GFP. References: Sarov M, et al. Nat Methods (2006) 10:839-44. Zhong, M, et al. PLoS Genet (2010) 6(2):e1000848. Strain was constructed as part of the Regulatory Element Project, part of modENCODE (http://www.modencode.org)

wgIs157 [ceh-24::TY1::EGFP::3xFLAG(92C12) + unc-119(+)]. TY1::EGFP::3xFLAG tag inserted in frame at C-terminus of coding sequence by recombineering. Expression of transgene confirmed by GFP. References: Sarov, M, et al. Nat Methods (2006) 10:839-44. Gerstein MB, et al. Science. 2010 Dec 24;330(6012):1775-87. Strain was constructed as part of the Regulatory Element Project, part of modENCODE (http://www.modencode.org)

wgIs389 [ceh-22::TY1::EGFP::3xFLAG + unc-119(+)]. TY1::EGFP::3xFLAG tag inserted in frame at C-terminus of coding sequence by recombineering. Expression of transgene confirmed by GFP. References: Sarov, M, et al. Nat Methods (2006) 10:839-44. Zhong, M, et al. PLoS Genet (2010) 6(2):e1000848. Strain was constructed as part of the Regulatory Element Project, part of modENCODE (http://www.modencode.org)

wgIs500 [ceh-26::TY1::EGFP::3xFLAG + unc-119(+)]. TY1::EGFP::3xFLAG tag inserted in frame at C-terminus of coding sequence by recombineering. Expression of transgene confirmed by GFP. References: Sarov, M, et al. Nat Methods (2006) 10:839-44. Niu W, et al. Genome Res. 2011 Feb;21(2):245-54. Strain was constructed as part of the Regulatory Element Project, part of modENCODE (http://www.modencode.org)

wgIs767 [ceh-23::TY1::EGFP::3xFLAG + unc-119(+)]. TY1::EGFP::3xFLAG tag inserted in frame at C-terminus of coding sequence by recombineering. Expression of transgene confirmed by GFP. References: Sarov M, et al. Nat Methods (2006) 10:839-44. Zhong, M, et al. PLoS Genet (2010) 6(2):e1000848. Strain was constructed as part of the Regulatory Element Project, part of modENCODE (http://www.modencode.org).

Deletion of entire ceh-24 gene except first five amino acids. No detectable phenotype.

Dpy. Deletion of entire ceh-24 gene except first five amino acids.

ccIs4595 [ceh-24::GFP + rol-6(su1006)]. GFP expression in vulval muscles, m8, and set of neurons in the head.

ccIs4655 [pes-10::GFP + dpy-20(+) ]. GFP expression in lineages with active HLH-8/HLH-2 (e.g., sex muscle, head mesodermal cell). Transgene contains pes-10::GFP reporter driven by 8 copies of an HLH-8/HLH-2 response site from the ceh-24 promoter.

Heterozygotes are Unc and segregate Uncs, non-Uncs and dead eggs.

Superficially wild-type. Insertion of GFP and FLAG tags directly before the stop codon of endogenous ceh-23 locus. Verified by sequencing. Reference: Reilly MB, et al. Nature. 2020 Aug;584(7822):595-601. PMID: 32814896.

CRISPR/Cas9 engineered tagged endogneous locus. Reference: Reilly MB, et al. Widespread employment of conserved C. elegans homeobox genes in neuronal identity specification. bioRxiv 2022.04.29.490095; doi: https://doi.org/10.1101/2022.04.29.490095

K03A11.3. Homozygous. Outer Left Sequence: gattccaacgagccacaagt. Outer Right Sequence: taacacccgggagtctgttc. Inner Left Sequence: aagtgaagtgatccaaccgc. Inner Right Sequence: taggtatcgcctcccacaac. Inner Primer PCR Length: 2366. Deletion Size: 783. Attribution: This strain was provided by the C. elegans Gene Knockout Project at the Oklahoma Medical Research Foundation, which was part of the International C. elegans Gene Knockout Consortium, which should be acknowledged in any publications resulting from its use. Paper_evidence WBPaper00041807

trIs10 [myo-3p::MB::YFP + myo-2p::YFP + ceh-23::HcRed + unc-25::DsRed + unc-129nsp::CFP].

zuIs178 [his-72(1kb 5' UTR)::his-72::SRPVAT::GFP::his-72 (1KB 3' UTR) + 5.7 kb XbaI - HindIII unc-119(+)]. stIs10440 [ceh-27::H1-wCherry::his-24::mCherry + unc-119(+)]. May still contain stIs10024 [pie-1::H2B::GFP::pie-1 3' UTR + unc-119(+)] in the background.

zuIs178 [his-72(1kb 5' UTR)::his-72::SRPVAT::GFP::his-72 (1KB 3' UTR) + 5.7 kb XbaI - HindIII unc-119(+)]. stIs10567 [ceh-21::H1-wCherry::his-24::mCherry + unc-119(+)]. May still contain stIs10024 [pie-1::H2B::GFP::pie-1 3' UTR + unc-119(+)] in the background.

ltIs37 [pie-1p::mCherry::his-58 + unc-119(+)] IV. stIs10116 [his-72(promoter)::his-24::mCherry::let-858 3'UTR + unc-119(+)]. stIs10703 [ceh-26::TGF(10B1)::GFP::TY1::3xFLAG inserted into fosmid WRM0617dE06 as C-terminal protein fusion]. [NOTE: the ltIs37 [pie-1p::mCherry::his-58 + unc-119(+)] IV transgene was previously annotated as itIs37 in this strain. The correct name of the transgene is ltIs37 and not itIs37.]

stIs11811 [ceh-22::H1-wCherry + unc-119(+)].

ceh-20(st12164[ceh-20::GFP + loxP + unc-119(+) + loxP].

ceh-20(st12211[ceh-20::TY1::EGFP::3xFLAG]) III.

ccIs4251 [(pSAK2) myo-3p::GFP::LacZ::NLS + (pSAK4) myo-3p::mitochondrial GFP + dpy-20(+)] I. stIs10440 [ceh-27p::HIS-24::mCherry + unc-119(+)]. Reference: Liu, X, et al., Cell (2009) 139(6).

ccIs4251 [(pSAK2) myo-3p::GFP::LacZ::NLS + (pSAK4) myo-3p::mitochondrial GFP + dpy-20(+)] I. stIs10568 [ceh-21p::HIS-24::mCherry + unc-119(+)]. Reference: Liu, X, et al., Cell (2009).

ujIs113 [pie-1p::mCherry::H2B::pie-1 3'UTR + nhr-2p::mCherry::his-24::let-858 3’UTR + unc-119(+)] II. mNeonGreen knockin at N-terminus of ceh-20 locus. Cellular protein expression pattern during embryogenesis (until bean stage) is available at http://dulab.genetics.ac.cn/TF-atlas. Reference: Ma X, Zhao Z, Xiao L, et al. Nat Methods. 2021;18(8):893-902. doi:10.1038/s41592-021-01216-1.

ujIs113 [pie-1p::mCherry::H2B::pie-1 3'UTR + nhr-2p::mCherry::his-24::let-858 3’UTR + unc-119(+)] II. mNeonGreen knockin at N-terminus of ceh-28 locus. Cellular protein expression pattern during embryogenesis (until bean stage) is available at http://dulab.genetics.ac.cn/TF-atlas. Reference: Ma X, Zhao Z, Xiao L, et al. Nat Methods. 2021;18(8):893-902. doi:10.1038/s41592-021-01216-1.

ujIs113 [pie-1p::mCherry::H2B::pie-1 3'UTR + nhr-2p::mCherry::his-24::let-858 3’UTR + unc-119(+)] II. mNeonGreen knockin at N-terminus of ceh-23 locus. Cellular protein expression pattern during embryogenesis (until bean stage) is available at http://dulab.genetics.ac.cn/TF-atlas. Reference: Ma X, Zhao Z, Xiao L, et al. Nat Methods. 2021;18(8):893-902. doi:10.1038/s41592-021-01216-1.

uIs46 [rde-1p::mec-2(intron9)::rde-1) + ceh-22::GFP]. Temperature sensitive; maintain at 15 C. RNAi-sensitive at 15 C. Mechanosensory abnormal at 25 C. Uses the ninth intron of mec-2, whose splicing depends on mec-8, to produce temperature-sensitive expression and temperature-sensitive RNAi. Reference: Calixto et al. (2010) Nature Methods 7:407-11.

F46F3.1. Homozygous lethal deletion chromosome balanced by GFP-marked translocation. Heterozygotes are WT with pharyngeal GFP signal, and segregate WT GFP, arrested nT1 aneuploids, and non-GFP ok1655 homozygotes (embryonic or early larval arrest). Homozygous nT1[qIs51] inviable. Pick WT GFP and check for correct segregation of progeny to maintain. External left primer: CGGAGGATAGTTTGCAGGAG. External right primer: CTCTTCCCCTCCGATACCTC. Internal left primer: AGCTGCAGTCAGAAGTGGGT. Internal right primer: AATCCCAGTTTCTCGCCTTT. Internal WT amplicon: 2753 bp. Deletion size: 1273 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

F31E3.2d. Homozygous lethal deletion chromosome balanced by bli-4- and GFP-marked translocation. Heterozygotes are WT with pharyngeal GFP signal, and segregate WT GFP, arrested hT2 aneuploids, and non-GFP ok541 homozygotes (arrested DpyUnc). Homozygous hT2[bli-4 let-? qIs48] inviable. Note: qIs48 has been observed to recombine off hT2, typically leaving behind a functional homozygous viable hT2 with Bli-4 phenotype. 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