Abstract:Photoreceptors are conserved in green algae to land plants, and regulate various developmental stages. In the ocean, blue light penetrates deeper than red light, and blue-light sensing is key to adapting to marine environments. A search for blue-light photoreceptors in the marine metagenome uncovered a novel chimeric gene composed of a phytochrome and a cryptochrome (Dualchrome1, DUC1) in a prasinophyte, Pycnococcus provasolii. DUC1 detects light within the orange/far-red and blue spectra, and acts as a dual p… Show more
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