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- n. Any of a class of photoreceptor flavoproteins that mediate phototropism in higher plants.
Sorry, no etymologies found.
"First evidence for phototropin-related blue-light receptors in prokaryotes,"
YtvA, shared the strongest homology with the plant phototropin gene, and began to investigate the question.
Kennis JT, Crosson S, Gauden M, van Stokkum IH, Moffat K, et al. (2003) Primary reactions of the LOV2 domain of phototropin, a plant blue-light photoreceptor.