Enriched in several structures, including CEP socket cell; muscle cell; neurons; retrovesicular ganglion; and tail hypodermis based on tiling array; RNA-seq; single-cell RNA-seq; and microarray studies. Is affected by several genes including daf-16; daf-2; and let-60 based on tiling array; microarray; and RNA-seq studies. Is affected by eleven chemicals including methylmercury hydroxide; multi-walled carbon nanotube; and stavudine based on RNA-seq and microarray studies.