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Phytochromes: Photosensory Perception and Signal Transduction
Abstract
The phytochrome family of photoreceptors monitors the light environment and dictates patterns of gene expression that enable the plant to optimize growth and development in accordance with prevailing conditions. The enduring challenge is to define the biochemical mechanism of phytochrome action and to dissect the signaling circuitry by which the photoreceptor molecules relay sensory information to the genes they regulate. Evidence indicates that individual phytochromes have specialized photosensory functions. The amino-terminal domain of the molecule determines this photosensory specificity, whereas a short segment in the carboxyl-terminal domain is critical for signal transfer to downstream components. Heterotrimeric GTP-binding proteins, calcium-calmodulin, cyclic guanosine 5′-phosphate, and the COP-DET-FUS class of master regulators are implicated as signaling intermediates in phototransduction.
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Cited by
PAS Domains: Internal Sensors of Oxygen, Redox Potential, and Light
Taylor, B. L., & Zhulin, I. B. (1999) · Microbiology and Molecular Biology Reviews · doi:10.1128/mmbr.63.2.479-506.1999 · Cited by 1,632
Phytochromes and light signal perception by plants—an emerging synthesis
Smith, H. (2000) · Nature · doi:10.1038/35036500 · Cited by 1,380
Ma, L., Li, J., Qu, L., Hager, J., Chen, Z., Zhao, H., & Deng, X. W. (2001) · The Plant Cell · doi:10.1105/tpc.010229 · Cited by 561
Phytochrome Signaling Mechanisms
Li, J., Li, G., Wang, H., & Wang Deng, X. (2011) · The Arabidopsis Book · doi:10.1199/tab.0148 · Cited by 561
Wang, Z. Y., Kenigsbuch, D., Sun, L., Harel, E., Ong, M. S., & Tobin, E. M. (1997) · The Plant Cell · doi:10.1105/tpc.9.4.491 · Cited by 435
Metadata
- Authors
- Quail, P. H., Boylan, M. T., Parks, B. M., Short, T. W., Xu, Y., & Wagner, D.
- Venue
- Science
- Published
- 1995-05-05
- Volume
- 268
- Issue
- 5211
- Pages
- 675-680
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W1969472583
- Cited by
- 751
- References
- 0
- FWCI
- 92.36
- Type
- journal article
- Language
- en
- Open access
- closed
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- Quail, P. H., Boylan, M. T., Parks, B. M., Short, T. W., Xu, Y., & Wagner, D. (1995). Phytochromes: Photosensory Perception and Signal Transduction. Science. https://doi.org/10.1126/science.7732376
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