How does plant DNA avoid the ravages of UV radiation?

If the ultraviolet radiation from the sun damages human DNA to cause health problems, does UV radiation also damage plant DNA? The answer is yes, but because plants can’t come in from the sun or slather on sunblock, they have a super robust DNA repair kit. Today, the UNC School of Medicine lab of 2015 Nobel laureate Aziz Sancar, MD, PhD, has published an exquisite study of this powerful DNA repair system in plants, which closely resembles a repair system found in humans and other animals.
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