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K07H8.3, K07H8.10. 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 ok1907 homozygotes (Unc, late larval arrest). Homozygous nT1[qIs51] inviable. Pick WT GFP and check for correct segregation of progeny to maintain. External left primer: AGAACTTATTGCCACCACGG. External right primer: ATCCTCCTGAAAGGGGAGAA. Internal left primer: CAGAGAAATCTCCTCGACCG. Internal right primer: CCAGTTGGAAAAGGCAAAAA. Internal WT amplicon: 2234 bp. Deletion size: 1757 bp. Deletion left flank: CCGCCACCACGTGGGGTGAAGCCACTGCCA. Deletion right flank: GAAGAACGGAACATCGAGCCAGCAGATCGA. 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

mKate2 tag inserted into the C-terminus of endogenous nucl-1 locus. Maintain at 16-20C. Nucleolar mKate2 expression. Reference: Mejia-Trujillo R, et al. bioRxiv 2025.05.07.652530; doi: https://doi.org/10.1101/2025.05.07.652530.

wrdSi23 [eft-3p::TIR1:F2A:mTagBFP::tbb2 3' UTR:: loxP] I. Maintain at 16-20C. AID*::GFP tag inserted at N terminus of endogenous rpoa-2 locus. mKate2 tag inserted into the C-terminus of endogenous nucl-1 locus. Nucleolar mKate2 expression. This strain can be used for auxin-inducible degradation (AID) of RPOA-2 in somatic tissues. Reference: Mejia-Trujillo R, et al. bioRxiv 2025.05.07.652530; doi: https://doi.org/10.1101/2025.05.07.652530.

ieSi11 [syp-3p::EmGFP::syp-3::syp-3 3'UTR + Cbr-unc-119(+)] II. Maintain at 16-20C. mKate2 tag inserted into the C-terminus of endogenous nucl-1 locus. Nucleolar mKate2 expression. GFP::SYP-3 expression is readily detected in spermatocytes and oocytes in the germline, and localizes to the interface between paired homologous chromosomes during most of meiotic prophase. Reference: Mejia-Trujillo R, et al. bioRxiv 2025.05.07.652530; doi: https://doi.org/10.1101/2025.05.07.652530.

wrdSi23 [eft-3p::TIR1:F2A:mTagBFP::tbb2 3' UTR:: loxP] I. Maintain at 16-20C. AID*::GFP tag inserted at C-terminus of endogenous grwd-1 locus. mKate2 tag inserted into the C-terminus of endogenous nucl-1 locus. Nucleolar mKate2 expression. This strain can be used for auxin-inducible degradation (AID) of GRWD-1 in somatic tissues. Reference: Mejia-Trujillo R, et al. bioRxiv 2025.05.07.652530; doi: https://doi.org/10.1101/2025.05.07.652530.

wrdSi23 [eft-3p::TIR1:F2A:mTagBFP::tbb2 3' UTR:: loxP] I. ieSi11 [syp-3p::EmGFP::syp-3::syp-3 3'UTR + Cbr-unc-119(+)] II. Maintain at 16-20C. AID*::GFP tag inserted at N-terminus of endogenous rpoa-2 locus. GFP::SYP-3 expression is readily detected in spermatocytes and oocytes in the germline, and localizes to the interface between paired homologous chromosomes during most of meiotic prophase. mKate2 tag inserted into the C-terminus of endogenous nucl-1 locus. Nucleolar mKate2 expression. This strain can be used for auxin-inducible degradation (AID) of RPOA-2 in somatic tissues. Reference: Mejia-Trujillo R, et al. bioRxiv 2025.05.07.652530; doi: https://doi.org/10.1101/2025.05.07.652530.

wrmScarlet tag inserted at C-terminus of endogenous nucl-1 locus. Reference: Thomas, Bodas, and Seydoux (2025). "FG repeats drive co-clustering of nuclear pores and P granules in the C. elegans germline."