A receptor to detect the invisible

Due to their sessile life-style and dependence on sunlight for photosynthesis, plants have developed cellular tools to adapt to UV-B radiation and parry this danger. In a study published on April 1, 2011 in Science, the group of Roman Ulm identifies the first UV-B receptor and its key role in mounting the plants’ defence. Conservation of the UV-B receptor in plants raises the intriguing possibility that it has influenced land plant evolution.

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