title: Morphogen gradients: expand and repress.
abstract: An expansion-repression mechanism by which morphogen gradients can adjust to size and growth had been postulated as a model. Now, its molecular nature has been uncovered.
authors: Institute of Molecular Life Sciences, University of Zürich, Winterthurerstr. 190, CH-8057 Zürich, Switzerland.
authors: Simon
authors: S
authors: Restrepo
authors: Konrad
authors: K
authors: Basler
mesh_terms: D000818:Animals; D019521:Body Patterning / Q000502:physiology*; D029721:Drosophila Proteins / Q000378:metabolism*; D004331:Drosophila melanogaster / Q000033:anatomy & histology* / Q000196:embryology*; D018507:Gene Expression Regulation, Developmental; D060227:Imaginal Discs / Q000502:physiology*
chemical_list: D029721:Drosophila Proteins