Enriched in several structures, including coelomocyte; head mesodermal cell; rectal gland cell; sensory neurons; and somatic gonad precursor based on tiling array; RNA-seq; single-cell RNA-seq; and microarray studies. Is affected by several genes including daf-2; rrf-3; and elt-2 based on RNA-seq; microarray; and tiling array studies. Is affected by sixteen chemicals including rotenone; Alovudine; and stavudine based on RNA-seq and microarray studies.