Journal
SEMINARS IN CELL & DEVELOPMENTAL BIOLOGY
Volume 11, Issue 6, Pages 523-530Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1006/scdb.2000.0198
Keywords
adaptation; de-etiolation; germination; phytochrome; shade avoidance
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Funding
- NIGMS NIH HHS [2RO1GM52413] Funding Source: Medline
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The phytochromes, photoreceptors sensitive to red and far-red Eight, are critical for sensing foliage shade, canopy breaks, and neighbor proximity. A combination of molecular genetic, evolutionary, and ecological techniques are being used to understand how phytochromes function in the natural environment. We discuss studies on the adaptive value of phytochrome mediated plasticity, as well as the role that variation in phytochrome expression and function might play in allowing plants to adapt to unique light environments. Continued study of phytochrome signaling variation may reveal how natural selection acts at the molecular level.
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