Light is one of the most important environmental factors, acting on plants not only as the sole source of energy, but also as the source of external information, affecting their growth and development. Plants are empowered with an array of photoreceptors controlling diverse responses to light parameters, such as spectrum, intensity, direction, duration etc. These photoreceptors include the red ...

Light is the energy source for plant photosynthesis and influences growth development. Through multiple photoreceptors, interprets light signals through various downstream phytohormones such as auxin. Recently, Chen et al. (2020) uncover a new layer of regulation in IPyA pathway auxin biosynthesis by light. Here we highlight recent studies about how controls regulating signaling.