Montgomery, Beronda L. Department of Energy Plant Research Laboratory, Michigan State University, East Lansing, Michigan.
Last reviewed:August 2020
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- Phytochrome responses in plants
- Phytochromes in other organisms
- Molecular mechanisms
- Practical applications
- Related Primary Literature
- Additional Reading
A photoreceptor (protein pigment) used by plants and other photosynthetic organisms to detect light. Phytochromes are protein-pigment photoreceptors (Fig. 1) that control most photomorphogenic responses in various biological organisms that utilize photosynthesis. In particular, phytochromes have been identified in prokaryotes, fungi, algae, and plants. After perception of light, phytochromes act to regulate light-dependent growth and development. See also: Light; Photomorphogenesis; Photoreception; Photosynthesis; Pigmentation; Plant development; Plant growth; Plant pigment
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