Enriched in several structures, including ABalaaaarl; distal tip cell; germ line; neurons; and pm8 based on microarray; tiling array; RNA-seq; and single-cell RNA-seq studies. Is affected by several genes including cyc-1; swsn-1; and puf-8 based on microarray and RNA-seq studies. Is affected by twenty-five chemicals including hydrogen sulfide; 1-methylnicotinamide; and methylmercuric chloride based on microarray and RNA-seq studies.