John Christie and Winslow Briggs, scientists at the Carnegie Institution of Washington's Department of Plant Biology, and others report in the November 26 issue of Science that they have isolated the protein that is the UV-A/blue light photoreceptor for phototropism the process whereby plants grow in the direction of light.
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Carnegie Institution. "(Blue) Light At The End Of The Tunnel?." ScienceDaily. ScienceDaily, 30 November 1998. <www.sciencedaily.com/releases/1998/11/981130045943.htm>.
Carnegie Institution. (1998, November 30). (Blue) Light At The End Of The Tunnel?. ScienceDaily. Retrieved April 24, 2014 from www.sciencedaily.com/releases/1998/11/981130045943.htm
Carnegie Institution. "(Blue) Light At The End Of The Tunnel?." ScienceDaily. www.sciencedaily.com/releases/1998/11/981130045943.htm (accessed April 24, 2014).