title: Molecular clocks. PERpetuating the PASt.
authors.forename: P
authors.initials: P
authors.lastname: Sassone-Corsi
mesh_terms: D000818:Animals; D001683:Biological Clocks / Q000235:genetics*; D056926:CLOCK Proteins; D002940:Circadian Rhythm / Q000235:genetics* / Q000502:physiology; D017124:Conserved Sequence; D004330:Drosophila; D029721:Drosophila Proteins; D019143:Evolution, Molecular; D006801:Humans; D051379:Mice; D009687:Nuclear Proteins / Q000235:genetics* / Q000502:physiology; D056950:Period Circadian Proteins; D015534:Trans-Activators / Q000235:genetics / Q000502:physiology
chemical_list: D029721:Drosophila Proteins; D009687:Nuclear Proteins; C539040:PER protein, Drosophila; D056950:Period Circadian Proteins; D015534:Trans-Activators; D056926:CLOCK Proteins; C538943:CLOCK protein, human; C538944:Clock protein, mouse