Enriched in germ line and germline precursor cell based on tiling array; RNA-seq; and single-cell RNA-seq studies. Is affected by several genes including hyl-2; nuo-6; and ptl-1 based on proteomic; RNA-seq; and microarray studies. Is affected by twenty-five chemicals including manganese chloride; sodium arsenite; and D-glucose based on RNA-seq and microarray studies.