Enriched in carbon dioxide sensory neurons; germline precursor cell; hypodermis; and rectal epithelial cell based on tiling array; RNA-seq; and single-cell RNA-seq 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-two chemicals including aldicarb; 1-methylnicotinamide; and nicotinic acid based on microarray and RNA-seq studies.