title: Circadian clock genes are ticking.
authors.affiliation: NSF Center for Biological Timing, Northwestern University, Evanston, IL 60208.
authors.forename: J S
authors.initials: JS
authors.lastname: Takahashi
mesh_terms: D000818:Animals; D002940:Circadian Rhythm / Q000235:genetics*; D004247:DNA / Q000378:metabolism; D004330:Drosophila / Q000235:genetics*; D029721:Drosophila Proteins; D009154:Mutation; D009687:Nuclear Proteins; D056950:Period Circadian Proteins; D011506:Proteins / Q000235:genetics* / Q000502:physiology; D012313:RNA / Q000378:metabolism
chemical_list: D029721:Drosophila Proteins; D009687:Nuclear Proteins; C539040:PER protein, Drosophila; D056950:Period Circadian Proteins; D011506:Proteins; D012313:RNA; D004247:DNA