A big breakthrough! It all looks like the elusive UV-B photoreceptor has been at last identified. New evidence by Gareth Jenkins’ and Roman Ulm’s labs provides clear support for the hypothesis that the UVR8 protein is an UV-B photoreceptor.
The paper is at http://www.sciencemag.org/content/332/6025/103.full.pdf
A very interesting read. Enjoy!