Physcomitrella patens mutants affected on heat dissipation clarify the evolution of photoprotection mechanisms upon land colonization.

@article{Alboresi2010PhyscomitrellaPM,
  title={Physcomitrella patens mutants affected on heat dissipation clarify the evolution of photoprotection mechanisms upon land colonization.},
  author={Alessandro Alboresi and Caterina Gerotto and Giorgio Mario Giacometti and Roberto Bassi and Tomas Morosinotto},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={2010},
  volume={107 24},
  pages={11128-33}
}
Light is the source of energy for photosynthetic organisms; when in excess, however, it also drives the formation of reactive oxygen species and, consequently, photoinhibition. Plants and algae have evolved mechanisms to regulate light harvesting efficiency in response to variable light intensity so as to avoid oxidative damage. Nonphotochemical quenching (NPQ) consists of the rapid dissipation of excess excitation energy as heat. Although widespread among oxygenic photosynthetic organisms, NPQ… CONTINUE READING
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