Enriched in AFD; interfacial epithelial cell; pharyngeal-intestinal valve cell; and somatic gonad precursor based on RNA-seq and single-cell RNA-seq studies. Is affected by several genes including daf-16; daf-2; and skn-1 based on microarray and RNA-seq studies. Is affected by twelve chemicals including methylmercuric chloride; bisphenol A; and Psoralens based on microarray and RNA-seq studies.