{{Infobox nonhuman protein | Name = Cytochrome P450 daf-9 | image = | width = | caption = | Organism = Caenorhabditis elegans | TaxID = 6239 | Symbol = daf-9 | AltSymbols = CYP22A1 | EntrezGene = 180889 | HomoloGene = | PDB = | RefSeqmRNA = NM_001029732.2 | RefSeqProtein = NP_001024903.1 | UniProt = H2KYS3 | Chromosome = X | EntrezChromosome = NC_003284.9 | GenLoc_start = 6196927 | GenLoc_end = 6200818 }} The '''''daf-9''''' gene encodes a cytochrome p450 enzyme that catalyses the generation of dafachronic acid (a steroid hormone) in the worm ''Caenorhabditis elegans'',<ref name="Jia_2002">{{cite journal | vauthors = Jia K, Albert PS, Riddle DL| title = DAF-9, a cytochrome P450 regulating ''C. elegans'' larval development and adult longevity | journal = Development | volume = 129 | issue = 1 | pages = 221–31 | date = 2002 | doi = 10.1242/dev.129.1.221 | pmid = 11782415 }}</ref><ref>{{cite journal|title=Identification of Ligands for DAF-12 that Govern Dauer Formation and Reproduction in ''C. elegans''|journal=Cell|year=2006|vauthors=Motola DL, Cummins CL, Rottiers V, Sharma KK, Li T, Li Y, Suino-Powell K, Xu HE, Auchus RJ, Antebi A, Mangelsdorf DJ|volume=124|issue=6|pages=1209-1223|doi=10.1016/j.cell.2006.01.037|doi-access=free|pmid=16529801}}</ref> with the CYP Symbol '''CYP22A1''' (Cytochrome P450, family 22, member A1). After generation, dafachronic acid will bind its nuclear receptor Daf-12, whose genetic mutation has been implicated by Cynthia Kenyon and colleagues as related to the formation of Dauer larva.<ref name="Kenyon_1993">{{cite journal |vauthors=Kenyon C, Chang J, Gensch E, Rudner A, Tabtiang R | title=A ''C. elegans'' mutant that lives twice as long as wild type | journal=Nature | volume=366 | issue=6454 | year=1993 | pages=461–464 | pmid=8247153 | doi=10.1038/366461a0| bibcode=1993Natur.366..461K | s2cid=4332206 }}</ref>
== References == <references /> {{Cytochrome P450}} {{Dauer larva}} Category:Caenorhabditis elegans genes 22