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Press Release 05-201
Scientists Shed Light on Plant Responses
3-D structure of light-sensing protein controls processes from seed sprouting to leaf dropping
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Plants use light for photosynthesis and to help govern other basic responses including seed germination. Scientists have determined the 3D structure of the protein phytochrome when it complexes with a light-sensing pigment.
Credit: Nicolle Rager Fuller, National Science Foundation (Illustration); J.R. Wagner, University of Wisconsin-Madison; J.S. Brunzelle, Northwestern University; K.T. Forest and R.D. Vierstra, University of Wisconsin-Madison (Phytochrome Structure) |
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3-D light switch controls plant processes such as seed germination, plant growth, flowering and, in autumn, leaf dropping.
Credit: P. Olmert, National Science Foundation |
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