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Strain Species Genotype
FX30233 C. elegans tmC16 [unc-60(tmIs1210)] V. Show Description
Break points: In(flp-34 C04E6.7 In(srbc-66 T10H9.8)) V. Covered region (Mb) 5.6 (1..6.7) Balancer marked with myo-2p::Venus. Unc. Reference: Dejima K, et al. Cell Rep. 2018 Jan 2;22(1):232-241.
ZT73 C. elegans coh-4(tm1857) coh-3(gk112)/tmC16 [unc-60(tmIs1210)] coh-3(gk112) V. Show Description
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.