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Structure and Function of the Phytochromes: Light Regulation of Plant Growth and Development

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Authors
Park, Chung-Mo; Song, Pill-Soon
Issue Date
2003-01
Citation
한국광과학회지, Vol.10 No.1, pp.15-164
Keywords
G-protein, growth hormone, light, photomorphogenesis, phytochrome, shade avoidance
Abstract
Light exerts two primary roles in plant growth and development. Plants acquire all biochemical energy required for growth and propagation solely from light energy via photosynthesis. In addition, light serves as a medium through which plants recognize environmental fluctuations, such as photoperiod and presence of neighboring animals and plants. Plants therefore constantly monitor the direction, intensity, duration, and wavelength of environmental light and integrate these light signals into the intrinsic regulatory programs to achieve an optimized growth in a given light condition. Although light regulates all aspects of plant growth and developmental aspects, the molecular mechanisms and signaling cascades involved have not been well established until recently. However, recent advances in genetic tools and plant transformation techniques greatly facilitated the elucidation of molecular events
in plant photomorphogenesis. This mini-review summarizes the gist of recent findings in deetiolation and supresion of shade avoidance response as clasic examples of the phytochrome-mediated photomorphogenesis.
ISSN
1225-8555
URI
https://hdl.handle.net/10371/172105
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College of Natural Sciences (자연과학대학)Dept. of Chemistry (화학부)Journal Papers (저널논문_화학부)
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