Phototropism: translating light into directional growth.

@article{Hohm2013PhototropismTL,
  title={Phototropism: translating light into directional growth.},
  author={Tim Hohm and Tobias Preuten and Christian Fankhauser},
  journal={American journal of botany},
  year={2013},
  volume={100 1},
  pages={47-59}
}
Phototropism allows plants to align their photosynthetic tissues with incoming light. The direction of incident light is sensed by the phototropin family of blue light photoreceptors (phot1 and phot2 in Arabidopsis), which are light-activated protein kinases. The kinase activity of phototropins and phosphorylation of residues in the activation loop of their kinase domains are essential for the phototropic response. These initial steps trigger the formation of the auxin gradient across the… CONTINUE READING
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