UV-B exposure, ROS, and stress: inseparable companions or loosely linked associates?

@article{Hideg2013UVBER,
  title={UV-B exposure, ROS, and stress: inseparable companions or loosely linked associates?},
  author={{\'E}va Hideg and M A K Jansen and Ake Strid},
  journal={Trends in plant science},
  year={2013},
  volume={18 2},
  pages={107-15}
}
Ultraviolet-B (UV-B) radiation has long been perceived as a stressor. However, a conceptual U-turn has taken place, and UV-B damage is now considered rare. We question whether UV-stress and UV-B-induced reactive oxygen species (ROS) are still relevant concepts, and if ROS-mediated signaling contributes to UV-B acclimation. Measurements of antioxidants and of antioxidant genes show that both low and high UV-B doses alter ROS metabolism. Yet, there is no evidence that ROS control gene expression… CONTINUE READING
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