title: Phylogenetic relations between unicellular organisms and the mechanism of vertebrate signal transduction.
authors.forename: K J
authors.initials: KJ
authors.lastname: Hellingwerf
mesh_terms: D000818:Animals; D001419:Bacteria / Q000235:genetics*; D005057:Eukaryotic Cells; D010802:Phylogeny; D015398:Signal Transduction