title: Signaling motifs and Weber's law.
abstract: New experimental and theoretical studies reported by Uri Alon, Marc Kirschner, and colleagues in this issue of Molecular Cell suggest that Weber's law of sensory perception may apply to a number of cell signaling processes.
authors.affiliation: Department of Chemical and Systems Biology, Stanford University School of Medicine, Stanford CA 94305-5174, USA. james.ferrell@stanford.edu
authors.forename: James E
authors.initials: JE
authors.lastname: Ferrell
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D002460:Cell Line; D004625:Embryo, Nonmammalian / Q000378:metabolism; D047108:Embryonic Development; D048049:Extracellular Signal-Regulated MAP Kinases / Q000378:metabolism; D006801:Humans; D008962:Models, Theoretical; D015398:Signal Transduction; D051153:Wnt Proteins / Q000378:metabolism; D014982:Xenopus laevis
chemical_list: D051153:Wnt Proteins; D048049:Extracellular Signal-Regulated MAP Kinases