Excretory canal defect. Canal is invariably short with multiple cysts of varying size clustered along length, especially at the tips. Visible only by Nomarski microscopy. Tail spike is often slightly malformed. Animal is somewhat pale.

Superficially wild-type. GFP inserted into endogenous exc-7 locus by CRISPR/Cas9. Reference: Pham K & Hobert O. MicroPubl Biol. 2019; 2019: 10.17912/micropub.biology.000189.

F35H8.5. Superficially wild type. 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