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Letter

Nature Cell Biology 5, 921–927 (1 October 2003) | doi:10.1038/ncb1051

The Salvador partner Hippo promotes apoptosis and cell-cycle exit in Drosophila

Sophie Pantalacci , Nicolas Tapon & Pierre L|[eacute]|opold

Tissue growth during animal development is tightly controlled so that the organism can develop harmoniously. The salvador (sav) gene, which encodes a scaffold protein, has been shown to restrict cell number by coordinating cell-cycle exit and apoptosis during Drosophila development.