Caenorhabditis Genetics Center (CGC)

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BK601 C. elegans exc-1(rh26) X; arIs198. Show Description
arIs198 [glt-3p::CFP + glt-3p::LifeAct::TagRFP]. Shortened excretory canals from loss of GTPase (IRG homologue). Derived by crossing parental strains NJ51 to GS7637 and outcrossing to remove cyk-1 mutation on LG IV. Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.
IK591 C. elegans ttx-7(nj51) I. Show Description
Putative null allele which lacks whole of the 3rd exon of the gene (lacking 260 bp area corresponding to 12984-13243 of the cosmid F13G3). Severe thermotaxis defect. Weak defects in chemitaxis. Subcellular localization of SNB-1::GFP is abnormal in RIA interneurons.
NJ51 C. elegans exc-1(rh26) X. Show Description
Excretory canal defect. Large fluid-filled cysts appear randomly along the excretory canal, especially at the tips: 100% penetrant. Cysts often visible as clear spots by low-power microscopy. Shortened canals. Smaller cysts in amphid sheath. Stop mutation in 2nd Ras-like IRGP domain. Encodes homologue of human IRGC. [NOTE (08/2025): The correct genotype of this strain is exc-1(rh26), not exc-3(rh26) as previously described.]