vlc28[hlh-3::mNeonGreen] II. Superficially wild-type. Endogenous hlh-3 locus tagged with mNeonGreen using Cas9-triggered homologous recombination. mNeonGreen was inserted at the C-terminus using a 9 amino acid flexible linker present in the plasmids (Dickinson et al., 2015). Reference: Lloret-Fernández et al. eLife 2018;7:e32785 DOI: 10.7554/eLife.32785.

otIs173 [F25B3.3::DsRed2 + ttx-3promB::GFP] III. Whole genome sequenced strain. Reference: Sarin S, et al., Genetics. 2010 Jun;185(2):417-30.

zdIs13 [tph-1p::GFP] IV. vlcEx284 [hsp-16.2p::hlh-3 + ttx-3::mCherry + rol-6(su10006)]. Rollers. Extrachromosomal array containing the heat shock responsive hsp-16.2 promoter for time controlled expression of hlh-3 transcription factor cDNA. Transcriptional tph-1 GFP reporter labels the serotonergic system. Reference: Lloret-Fernández et al. eLife 2018;7:e32785 DOI: 10.7554/eLife.32785.

otIs648 [hlh-3(fosmid)::GFP + ttx-3p::mCherry]. Transgene is expressed in HSN neurons. Reference: Masoudi N, et al. PLoS Biol. 2018 Apr 19;16(4):e2004979.

otEx4140 [hlh-3(fosmid)::YFP + rol-6(su1006)]. Rollers. Pick Rollers to maintain. Reference: Murgan et al. (2015) Developmental Cell 33, 737-745.

wgIs650 [hlh-3::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).

leEx1533 contains [hlh-3::GFP + unc-119(+)]. Trangenic animals are superficially wild-type. Maintain by picking GFP+.

Superficially wild-type. Grows at standard conditions. Reference: Settembre C, et al. Nat Cell Biol. 2013 Jun;15(6):647-58.

jinEx10 [hlh-30p::hlh-30::GFP + rol-6(su1006)]. Pick Rollers to maintain. hlh-30::GFP expression should be visible at relatively low magnification. Reference: Lapierre LR, et. al. Nat Commun. 2013 Aug 8;4:2267.

sqIs19 [hlh-30p::hlh-30::GFP + rol-6(su1006)]. Rollers. Slightly longer lived at 20C. hlh-30::GFP expression should be visible at relatively low magnification. [NOTE: the array does not segregate 100% in original stock; pick GFP+ and check for correct segregation to maintain the array. New stock recevied at CGC June, 2016.] Reference: Lapierre LR, et. al. Nat Commun. 2013 Aug 8;4:2267.

sqIs17 [hlh-30p::hlh-30::GFP + rol-6(su1006)]. Rollers. Slightly longer lived at 20C. hlh-30::GFP expression should be visible at relatively low magnification. Derived from JIN1679. Reference: Lapierre LR, et. al. Nat Commun. 2013 Aug 8;4:2267.

otIs768 [hlh-34p::GFP + unc-119(+)]. GFP expression in AVH neurons. Derived by integration of leEx1692. Can be used to isolate AVH by FACS. Used by CeNGEN project for RNA-Seq (https://www.cengen.org/).

wgIs433 [hlh-30::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)

syIs532 [hlh-34p::NLS::GAL4(sk)::VP64::let-858 3'UTR + unc-122p::RFP + 1kb DNA ladder (NEB)] cGAL driver for AVH neurons. syIs300 [15xUAS::(delta)pes-10::GFP::let-858 3'UTR + ttx-3p::RFP + 1kb DNA ladder(NEB)] is a GFP cGAL effector.

CRISPR/Cas9 engineered tagged endogneous locus.

leEx1692 contains [hlh-34::GFP + unc-119(+)]. Trangenic animals are superficially wild-type. Maintain by picking GFP+.

T01D3.2. External left primer: GTGAAGCCGAAGGATCATGT. External right primer: CGTCTTTGCTTTCTTTTCCG. Internal left primer: GAAGAACTTTGCATCGAGGG. Internal right primer: TGTCCAACAATTTCCAACGA. Internal WT amplicon: 1737 bp. Deletion size: 163 bp. Deletion left flank: TAAAAAACAGAAAAAAAATTAAAAATATAT. Deletion right flank: TTAAATCAAAAACTTAAAAGTTACCGAGTT. Insertion Sequence: TATA. 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

T01D3.2, F35G12.4. The gk1280 allele was identified by PCR and validated by CGH, and can be detected with PCR using the following primers. External left primer: GTGAAGCCGAAGGATCATGT. External right primer: CGTCTTTGCTTTCTTTTCCG. Internal left primer: GAAGAACTTTGCATCGAGGG. Internal right primer: TGTCCAACAATTTCCAACGA. Internal WT amplicon: 1737 bp. Deletion size: 245 bp. Deletion left flank: TTGCACATTTGAGGCCAATTAAGGTCACAA. Deletion right flank: TTCAAAACTTGTAACTATAATAAAATATTT. Insertion Sequence: ATTTCAGGATGTTTTTGTGAAAG. The gk3152 allele was identified by CGH. 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

This strain is homozygous for a deletion (gk1211) in T01D3.2, detectable by PCR using the following primers. External left primer: GTGAAGCCGAAGGATCATGT. External right primer: CGTCTTTGCTTTCTTTTCCG. Internal left primer: GAAGAACTTTGCATCGAGGG. Internal right primer: TGTCCAACAATTTCCAACGA. Internal WT amplicon: 1737 bp. Deletion size: 301 bp. Deletion left flank: TTAAAAAACAGAAAAAAAATTAAAAATATA. Deletion right flank: CATCTCCGCGCCTGTCCAGTATCACAAAGA. Validation: gk1211 passed by CGH. Other deletions (gk3223, gk3224) identified by CGH. 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

This strain is homozygous for a deletion (gk3285) in Y39A3CR.6, detectable by PCR using the following primers. External left primer: TGCATTTTCCAAAAGTTTAAATCA. External right primer: ACGACATTTTGTTTACAAGGAACA. Internal left primer: TCGATCAAAAACTTGGACAGC. Internal right primer: AGTGTGCATTTGATTGTCACG. Internal WT amplicon: 1494 bp. Deletion size: 353 bp. Deletion left flank: AACCACCGCTGCTCTCCGACCCGCTCGTCC. Deletion right flank: TTAGAAAAAATGGGAAAAAAAATTCTCAAA. Validation: gk3285 passed by CGH. Other deletion (gkDf32) identified by CGH. 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

wwEx34 contains [hlh-31::GFP + unc-119(+)]. Trangenic animals are superficially wild-type. Maintain by picking GFP+.

wwEx44 [hlh-33::GFP + unc-119(+)]. Superficially wildtype. Grove C. A., De Masi F., et al (2009) Cell 138(2); 314-327.

wwEx47 [hlh-30::GFP + unc-119(+)]. Pick wild-type. Grove C. A., De Masi F., et al (2009) Cell 138(2); 314-327.

wwEx39 [hlh-32::GFP + unc-119(+)]. Superficially wildtype. Grove C. A., De Masi F., et al (2009) Cell 138(2); 314-327.

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