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otIs114 [lim-6p::GFP + rol-6(su1006)]. Loss of lys-12 leads to the disruption of ASEL fate markers and the ectopic expression of ASER cell fate markers in ASEL. otIs114 reporter, normally expressed in ASEL and excretory gland cells, is lost in lsy-12 mutants. Rollers. Worms are slow growing.

Homozygous lethal mutation balanced by Dpy- and myo-2p::Venus-marked inversion. Heterozygotes are non-Dpy with relatively dim pharyngeal GFP (Venus) expression, and segregate heterozygous non-Dpy Venus+, non-Venus ot1709 homozygotes (L1 arrest), and Dpy with brighter Venus+ (tmC20 homozygotes). Pick wild-type Venus(+) and check for proper segregation of progeny to maintain. zfh-2(ot1709) is a CRISPR/Cas9-engineered >30kb deletion of the entire zfh-2 locus. crRNA1: CTACCATTTAGCCAATATAT. crRNA2: GTAGTAGTAGTAGTATGAGG. ssODN: aaattcatccaaaaaaatttccagagttgccccgcccataCATACTACTACTACTACCACGACGACGCCATAAcaaaacc. Reference: Sussfeld A, et al. bioRxiv 2026.01.13.699069; doi: https://doi.org/10.64898/2026.01.13.699069.

Homozygous sterile mutation balanced by Dpy- and myo-2p::Venus-marked inversion. Heterozygotes are non-Dpy with relatively dim pharyngeal GFP (Venus) expression, and segregate heterozygous non-Dpy Venus+, non-Venus ot1709 homozygotes (L1 arrest), and Dpy with brighter Venus+ (tmC20 homozygotes). Pick wild-type Venus(+) and check for proper segregation of progeny to maintain. Second homeodomain deleted from endogenous zfh-2 locus tagged at C terminus with linker::mIAA7::mScarletI3::mIAA7. Linker sequence GSGGSGGTGGSG. ot1787 crRNA1: TCCTGCAACACGTCGTCCAG. crRNA2: CGGCGTTCTCACAAATCGAT. ssODN: ATGACACCGAGCACTCCTTCCTGCAACACGTCGTCCtcTGGACGAATCTATGAGAATCAGCCGAATCACGAGAGTTCtGATCGATTTGTGAGAACGCCGGGATCGAACTTTCAGTGC. Reference: Sussfeld A, et al. bioRxiv 2026.01.13.699069; doi: https://doi.org/10.64898/2026.01.13.699069.