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Diatom phytochromes integrate the underwater light spectrum to sense depth.

Nature - 1 Jan 2025

Duchêne Carole, Bouly Jean-Pierre, Pierella Karlusich Juan José, Vernay Emeline, Sellés Julien, Bailleul Benjamin, Bowler Chris, Ribera d'Alcalà Maurizio, Falciatore Angela, Jaubert Marianne

Abstract excerpt

Aquatic life is strongly structured by the distribution of light, which, besides attenuation in intensity, exhibits a continuous change in the spectrum with depth1. The extent to which these light changes are perceived by phytoplankton through photoreceptors is still inadequately known. We addressed this issue by integrating functional studies of diatom phytochrome (DPH) photoreceptors in model species2 with...

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Acclimatization
Aquatic Organisms
Diatoms
Light
Mutation

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PMID: 39695224
DOI: 10.1038/s41586-024-08301-3

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