Phototropin
= Phototropin
{wiki=Phototropin}
Phototropins are a class of blue light receptors found in plants, fungi, and certain algae. They play a crucial role in mediating various physiological responses to light, particularly blue light. The primary functions of phototropins include: 1. **Phototropism**: Phototropins are involved in the growth responses of plants to light direction, allowing them to bend towards light sources. This maximizes light absorption for photosynthesis.