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Depletion of the stratospheric ozone layer caused and increased in solar ultraviolet-B(UV-B,280~320nm)radiation reaching the earth’s surface.Enhanced UV-B radiation would have adverse effects on biological processes,owing to its high energy level.Nitric oxide(NO)was a widespread intracellular and intercellular signal molecule that was involved in many physiological processes in animals.NO had also been proved to be a signal molecule playing important roles in diverse physiological processes in plants,inclu-
Depletion of the stratospheric ozone layer caused and increased in solar ultraviolet-B (UV-B, 280-320 nm) radiation reaching the earth’s surface. Enhanced UV-B radiation would have adverse effects on biological processes, owing to its high energy level. Nitric oxide (NO) was a widespread intracellular and intercellular signal molecule that was involved in many physiological processes in animals.NO had also been proved to be a signal molecule playing important roles in diverse physiological processes in plants, inclu-