Both LOV1 and LOV2 domains of phototropin2 function as the photosensory domain for hypocotyl phototropic responses in Arabidopsis thaliana (Brassicaceae).

Abstract excerpt

PREMISE OF STUDY: Phototropins (phot) are blue light receptor proteins that mediate phototropism and control photomovement responses, such as chloroplast photorelocation movement and stomatal opening. Arabidopsis thaliana has two phototropins, phot1 and phot2. Although both phot1 and phot2 redundantly mediate photomovement responses, phot2 uniquely regulates phototropism and the chloroplast avoidance response...

Topics

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• Chloroplasts
• Flavin Mononucleotide
• Hypocotyl
• Mutant Proteins
• Phototropism