Enriched in several structures, including BAG; cephalic sheath cell; germ line; germline precursor cell; and head mesodermal cell based on tiling array; RNA-seq; and single-cell RNA-seq studies. Is affected by several genes including skn-1; hsf-1; and elt-2 based on tiling array; RNA-seq; and microarray studies. Is affected by twelve chemicals including hydrogen sulfide; rotenone; and manganese chloride based on microarray and RNA-seq studies.