Arabidopsis NPH3: A NPH1 photoreceptor-interacting protein essential for phototropism.

@article{Motchoulski1999ArabidopsisNA,
  title={Arabidopsis NPH3: A NPH1 photoreceptor-interacting protein essential for phototropism.},
  author={Andrei V. Motchoulski and Emmanuel Liscum},
  journal={Science},
  year={1999},
  volume={286 5441},
  pages={
          961-4
        }
}
Phototropism of Arabidopsis thaliana seedlings in response to a blue light source is initiated by nonphototropic hypocotyl 1 (NPH1), a light-activated serine-threonine protein kinase. Mutations in three loci [NPH2, root phototropism 2 (RPT2), and NPH3] disrupt early signaling occurring downstream of the NPH1 photoreceptor. The NPH3 gene, now cloned, encodes a NPH1-interacting protein. NPH3 is a member of a large protein family, apparently specific to higher plants, and may function as an… CONTINUE READING

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