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Network motifs for cell fate switches.
(A) A coherent feedforward loop both directly and indirectly inhibits the cell cycle regulator E2F1 in granulopoiesis.
(B) A mutual negative feedback loop contributes to bistability between myeloid precursors and granulocytes.
(C) A positive feedback loop enforces lineage commitment of nematode “2 degrees” vulval cells.
