Mathematical modeling elucidates bistability of cell fate in the Brat-mediated system , revealing how autoregulation of GSC number can arise from Brat coupling extracellular Dpp regulation to intracellular interpretation .
O O O O O O O O O B-GeneOrGeneProduct O O O O O O O O O O O B-GeneOrGeneProduct O O B-GeneOrGeneProduct O O O O O