Enriched in several structures, including carbon dioxide sensory neurons; cholinergic neurons; germline precursor cell; pharyngeal muscle cell; 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 skn-1 based on microarray; RNA-seq; and tiling array studies. Is affected by thirty-three chemicals including hydrogen sulfide; methylmercury hydroxide; and 1-methylnicotinamide based on microarray and RNA-seq studies.