Transcription factor, probably acting as a transcriptional activator and repressor, involved in the TGF-beta-like dbl-1 signaling pathway (PubMed:14627718, PubMed:17397820). Plays a role in regulation of body size, and patterning of male-specific genital sensilla (simple sense organs), known as rays, and mating-associated structures, spicules (PubMed:14627718). Required for the dorsoventral patterning of the postembryonic mesodermal lineage (M lineage), acting by antagonizing the TGF-beta-like dbl-1 signaling pathway, in part by repressing expression of transcription factor unc-130 (PubMed:16790477, PubMed:18036582, PubMed:29155044). Involved in egg-laying, perhaps via modulation of cholinergic neurotransmission (PubMed:25407930). May play a role in modulating lifespan and in responses to proteotoxic stress (PubMed:25407930). Transcription factor, probably acting as a transcriptional activator (PubMed:17397820). Required for patterning of male-specific genital sensilla (simple sense organs), known as rays (PubMed:20565799). Dispensable for regulation of body size (PubMed:20565799). Expressed in the ventral nerve cord (VNC), pharynx, intestine and seam cells (at protein level). Expressed from larval stage L1 to adult stages but not during embryonic development. Expressed at larval L1 and L3 stages and in adulthood. RNAi-mediated knockdown causes a reduction in acetylcholine (ACh) content, altered sensitivity to Aldicarb, a potent acetylcholinesterase (AChE) inhibitor, reduced expression of vesicular acetylcholine transporter unc-17 and elevated levels of reactive oxygen species (PubMed:25407930). Knockdown inhibits nuclear localization of transcription factor daf-16 (PubMed:25407930).