Enriched in AFD; germ line; germline precursor cell; head mesodermal cell; and head neurons based on tiling array; RNA-seq; and single-cell RNA-seq studies. Is affected by several genes including cyc-1; nuo-6; and atfs-1 based on microarray and RNA-seq studies. Is affected by twelve chemicals including manganese chloride; bisphenol S; and Zidovudine based on RNA-seq and microarray studies.