As NODAL protein diffuse through an embryo, it triggers Nodal Signaling within tissues with the required receptors and coreceptors. Activated nodal signaling leads to the transcription of the lefty gene.
As NODAL protein diffuses through an embryo, it activates Nodal Signaling in tissues possessing the necessary receptors and coreceptors. Activated Nodal signaling results in the transcription of the lefty gene.