title: From tough nuts to touch-me-nots.
abstract: An intricate arrangement of different cell types is required for the spring-loaded mechanism of spontaneous seed dispersal typical for many fruits. Liljegren and colleagues (2004 [this issue of Cell]) describe a nonlinear network of transcription factor genes controlling this process.
authors.affiliation: Department of Molecular Biology, Max Planck Institute for Developmental Biology, D-72076 Tübingen, Germany.
authors.forename: Jan U
authors.initials: JU
authors.lastname: Lohmann
authors.forename: Detlef
authors.initials: D
authors.lastname: Weigel
mesh_terms: D002454:Cell Differentiation / Q000235:genetics; D005638:Fruit / Q000235:genetics* / Q000378:metabolism; D018506:Gene Expression Regulation, Plant / Q000235:genetics*; D017343:Genes, Plant / Q000235:genetics*; D014644:Genetic Variation / Q000235:genetics; D009754:Nuts / Q000235:genetics / Q000378:metabolism; D012098:Reproduction / Q000235:genetics; D012639:Seeds / Q000235:genetics* / Q000378:metabolism