Enriched in cholinergic neurons; mechanosensory neurons; pharyngeal-intestinal valve; and pharynx based on microarray and single-cell RNA-seq studies. Is affected by several genes including daf-16; skn-1; and daf-12 based on microarray; tiling array; and RNA-seq studies. Is affected by eight chemicals including Zidovudine; Rifampin; and Psoralens based on RNA-seq and microarray studies.